./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.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 bec73cbd355af8995620266d1bb50e13212a1740ed8bd583620b6985b8fd569c --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-11 23:42:48,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-11 23:42:48,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-11 23:42:48,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-11 23:42:48,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-11 23:42:48,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-11 23:42:48,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-11 23:42:48,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-11 23:42:48,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-11 23:42:48,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-11 23:42:48,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-11 23:42:48,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-11 23:42:48,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-11 23:42:48,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-11 23:42:48,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-11 23:42:48,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-11 23:42:48,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-11 23:42:48,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-11 23:42:48,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-11 23:42:48,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-11 23:42:48,573 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-11 23:42:48,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-11 23:42:48,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-11 23:42:48,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-11 23:42:48,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-11 23:42:48,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-11 23:42:48,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-11 23:42:48,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-11 23:42:48,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-11 23:42:48,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-11 23:42:48,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-11 23:42:48,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-11 23:42:48,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-11 23:42:48,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-11 23:42:48,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-11 23:42:48,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-11 23:42:48,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-11 23:42:48,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-11 23:42:48,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-11 23:42:48,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-11 23:42:48,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-11 23:42:48,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-11 23:42:48,605 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-11 23:42:48,641 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-11 23:42:48,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-11 23:42:48,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-11 23:42:48,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-11 23:42:48,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-11 23:42:48,646 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-11 23:42:48,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-11 23:42:48,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-11 23:42:48,647 INFO L138 SettingsManager]: * Use SBE=true [2022-07-11 23:42:48,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-11 23:42:48,648 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-11 23:42:48,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-11 23:42:48,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-11 23:42:48,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-11 23:42:48,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-11 23:42:48,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-11 23:42:48,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-11 23:42:48,650 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-11 23:42:48,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-11 23:42:48,650 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-11 23:42:48,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-11 23:42:48,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-11 23:42:48,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-11 23:42:48,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-11 23:42:48,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-11 23:42:48,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-11 23:42:48,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-11 23:42:48,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-11 23:42:48,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-11 23:42:48,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-11 23:42:48,655 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-11 23:42:48,656 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-11 23:42:48,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-11 23:42:48,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bec73cbd355af8995620266d1bb50e13212a1740ed8bd583620b6985b8fd569c [2022-07-11 23:42:48,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-11 23:42:48,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-11 23:42:48,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-11 23:42:48,940 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-11 23:42:48,941 INFO L275 PluginConnector]: CDTParser initialized [2022-07-11 23:42:48,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c [2022-07-11 23:42:48,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4525a9ae5/beea2bd037124998aa252db0b08e0aba/FLAGfbb61ad38 [2022-07-11 23:42:49,391 INFO L306 CDTParser]: Found 1 translation units. [2022-07-11 23:42:49,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c [2022-07-11 23:42:49,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4525a9ae5/beea2bd037124998aa252db0b08e0aba/FLAGfbb61ad38 [2022-07-11 23:42:49,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4525a9ae5/beea2bd037124998aa252db0b08e0aba [2022-07-11 23:42:49,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-11 23:42:49,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-11 23:42:49,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-11 23:42:49,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-11 23:42:49,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-11 23:42:49,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 11:42:49" (1/1) ... [2022-07-11 23:42:49,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19647db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:49, skipping insertion in model container [2022-07-11 23:42:49,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 11:42:49" (1/1) ... [2022-07-11 23:42:49,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-11 23:42:49,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-11 23:42:49,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c[387,400] [2022-07-11 23:42:49,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-11 23:42:49,551 INFO L203 MainTranslator]: Completed pre-run [2022-07-11 23:42:49,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c[387,400] [2022-07-11 23:42:49,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-11 23:42:49,576 INFO L208 MainTranslator]: Completed translation [2022-07-11 23:42:49,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:49 WrapperNode [2022-07-11 23:42:49,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-11 23:42:49,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-11 23:42:49,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-11 23:42:49,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-11 23:42:49,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:49" (1/1) ... [2022-07-11 23:42:49,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:49" (1/1) ... [2022-07-11 23:42:49,611 INFO L137 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-07-11 23:42:49,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-11 23:42:49,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-11 23:42:49,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-11 23:42:49,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-11 23:42:49,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:49" (1/1) ... [2022-07-11 23:42:49,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:49" (1/1) ... [2022-07-11 23:42:49,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:49" (1/1) ... [2022-07-11 23:42:49,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:49" (1/1) ... [2022-07-11 23:42:49,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:49" (1/1) ... [2022-07-11 23:42:49,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:49" (1/1) ... [2022-07-11 23:42:49,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:49" (1/1) ... [2022-07-11 23:42:49,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-11 23:42:49,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-11 23:42:49,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-11 23:42:49,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-11 23:42:49,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:49" (1/1) ... [2022-07-11 23:42:49,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-11 23:42:49,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-11 23:42:49,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-11 23:42:49,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-11 23:42:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-11 23:42:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-11 23:42:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-11 23:42:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-11 23:42:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-11 23:42:49,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-11 23:42:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-11 23:42:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-11 23:42:49,751 INFO L234 CfgBuilder]: Building ICFG [2022-07-11 23:42:49,752 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-11 23:42:49,879 INFO L275 CfgBuilder]: Performing block encoding [2022-07-11 23:42:49,886 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-11 23:42:49,887 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-11 23:42:49,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 11:42:49 BoogieIcfgContainer [2022-07-11 23:42:49,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-11 23:42:49,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-11 23:42:49,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-11 23:42:49,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-11 23:42:49,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 11:42:49" (1/3) ... [2022-07-11 23:42:49,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a3be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 11:42:49, skipping insertion in model container [2022-07-11 23:42:49,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:49" (2/3) ... [2022-07-11 23:42:49,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a3be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 11:42:49, skipping insertion in model container [2022-07-11 23:42:49,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 11:42:49" (3/3) ... [2022-07-11 23:42:49,897 INFO L111 eAbstractionObserver]: Analyzing ICFG verisec_sendmail_tTflag_arr_one_loop.c [2022-07-11 23:42:49,915 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-11 23:42:49,918 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-11 23:42:49,975 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-11 23:42:49,987 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@53f836ad, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@236b013f [2022-07-11 23:42:49,987 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-11 23:42:49,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 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) [2022-07-11 23:42:49,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-07-11 23:42:49,997 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:42:49,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 23:42:49,998 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:42:50,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:42:50,004 INFO L85 PathProgramCache]: Analyzing trace with hash 212076531, now seen corresponding path program 1 times [2022-07-11 23:42:50,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:42:50,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113783777] [2022-07-11 23:42:50,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:42:50,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:42:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:42:50,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-11 23:42:50,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:42:50,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113783777] [2022-07-11 23:42:50,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113783777] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-11 23:42:50,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-11 23:42:50,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-11 23:42:50,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982253428] [2022-07-11 23:42:50,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-11 23:42:50,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-11 23:42:50,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 23:42:50,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-11 23:42:50,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-11 23:42:50,244 INFO L87 Difference]: Start difference. First operand has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 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 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-07-11 23:42:50,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 23:42:50,293 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2022-07-11 23:42:50,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-11 23:42:50,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-07-11 23:42:50,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 23:42:50,303 INFO L225 Difference]: With dead ends: 35 [2022-07-11 23:42:50,303 INFO L226 Difference]: Without dead ends: 17 [2022-07-11 23:42:50,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-11 23:42:50,312 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-11 23:42:50,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 19 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-11 23:42:50,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-07-11 23:42:50,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 11. [2022-07-11 23:42:50,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2022-07-11 23:42:50,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2022-07-11 23:42:50,334 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 8 [2022-07-11 23:42:50,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 23:42:50,335 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2022-07-11 23:42:50,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-07-11 23:42:50,335 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2022-07-11 23:42:50,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-11 23:42:50,336 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:42:50,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 23:42:50,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-11 23:42:50,337 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:42:50,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:42:50,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1435974389, now seen corresponding path program 1 times [2022-07-11 23:42:50,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:42:50,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401461369] [2022-07-11 23:42:50,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:42:50,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:42:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:42:50,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-11 23:42:50,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:42:50,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401461369] [2022-07-11 23:42:50,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401461369] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-11 23:42:50,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886570951] [2022-07-11 23:42:50,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:42:50,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-11 23:42:50,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-11 23:42:50,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-11 23:42:50,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-11 23:42:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:42:50,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-11 23:42:50,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-11 23:42:50,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-11 23:42:50,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-11 23:42:50,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-11 23:42:50,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886570951] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-11 23:42:50,529 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-11 23:42:50,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-07-11 23:42:50,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609669031] [2022-07-11 23:42:50,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-11 23:42:50,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-11 23:42:50,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 23:42:50,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-11 23:42:50,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-07-11 23:42:50,534 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 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) [2022-07-11 23:42:50,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 23:42:50,597 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-07-11 23:42:50,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-11 23:42:50,598 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 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 10 [2022-07-11 23:42:50,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 23:42:50,600 INFO L225 Difference]: With dead ends: 33 [2022-07-11 23:42:50,600 INFO L226 Difference]: Without dead ends: 27 [2022-07-11 23:42:50,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-07-11 23:42:50,602 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 30 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-11 23:42:50,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 14 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-11 23:42:50,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-07-11 23:42:50,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2022-07-11 23:42:50,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 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) [2022-07-11 23:42:50,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-07-11 23:42:50,610 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 10 [2022-07-11 23:42:50,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 23:42:50,611 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-07-11 23:42:50,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 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) [2022-07-11 23:42:50,611 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-07-11 23:42:50,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-11 23:42:50,611 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:42:50,612 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 23:42:50,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-11 23:42:50,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-11 23:42:50,834 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:42:50,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:42:50,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1662320891, now seen corresponding path program 2 times [2022-07-11 23:42:50,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:42:50,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878578512] [2022-07-11 23:42:50,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:42:50,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:42:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:42:50,949 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-11 23:42:50,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:42:50,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878578512] [2022-07-11 23:42:50,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878578512] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-11 23:42:50,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-11 23:42:50,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-11 23:42:50,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638396533] [2022-07-11 23:42:50,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-11 23:42:50,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-11 23:42:50,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 23:42:50,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-11 23:42:50,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-11 23:42:50,958 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-07-11 23:42:50,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 23:42:50,988 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2022-07-11 23:42:50,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-11 23:42:50,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 [2022-07-11 23:42:50,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 23:42:50,990 INFO L225 Difference]: With dead ends: 22 [2022-07-11 23:42:50,990 INFO L226 Difference]: Without dead ends: 18 [2022-07-11 23:42:50,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-11 23:42:50,991 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-11 23:42:50,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 15 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-11 23:42:50,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-07-11 23:42:50,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-07-11 23:42:50,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 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) [2022-07-11 23:42:50,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-07-11 23:42:50,998 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 16 [2022-07-11 23:42:50,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 23:42:50,998 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-07-11 23:42:50,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-07-11 23:42:50,999 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-07-11 23:42:50,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-11 23:42:50,999 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:42:51,000 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 23:42:51,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-11 23:42:51,000 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:42:51,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:42:51,001 INFO L85 PathProgramCache]: Analyzing trace with hash -5994546, now seen corresponding path program 1 times [2022-07-11 23:42:51,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:42:51,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148955686] [2022-07-11 23:42:51,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:42:51,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:42:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:42:51,101 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-11 23:42:51,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:42:51,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148955686] [2022-07-11 23:42:51,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148955686] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-11 23:42:51,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538594286] [2022-07-11 23:42:51,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:42:51,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-11 23:42:51,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-11 23:42:51,103 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-11 23:42:51,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-11 23:42:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:42:51,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-11 23:42:51,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-11 23:42:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-11 23:42:51,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-11 23:42:51,246 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-11 23:42:51,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538594286] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-11 23:42:51,246 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-11 23:42:51,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-07-11 23:42:51,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027098148] [2022-07-11 23:42:51,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-11 23:42:51,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-11 23:42:51,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 23:42:51,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-11 23:42:51,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-07-11 23:42:51,249 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 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) [2022-07-11 23:42:51,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 23:42:51,309 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2022-07-11 23:42:51,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-11 23:42:51,309 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 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) Word has length 17 [2022-07-11 23:42:51,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 23:42:51,310 INFO L225 Difference]: With dead ends: 42 [2022-07-11 23:42:51,310 INFO L226 Difference]: Without dead ends: 35 [2022-07-11 23:42:51,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-07-11 23:42:51,311 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 19 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-11 23:42:51,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 26 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-11 23:42:51,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-07-11 23:42:51,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2022-07-11 23:42:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 29 states have internal predecessors, (31), 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) [2022-07-11 23:42:51,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2022-07-11 23:42:51,317 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 17 [2022-07-11 23:42:51,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 23:42:51,318 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2022-07-11 23:42:51,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 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) [2022-07-11 23:42:51,318 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2022-07-11 23:42:51,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-11 23:42:51,319 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:42:51,319 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 23:42:51,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-11 23:42:51,541 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,SelfDestructingSolverStorable3 [2022-07-11 23:42:51,541 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:42:51,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:42:51,542 INFO L85 PathProgramCache]: Analyzing trace with hash 776585922, now seen corresponding path program 2 times [2022-07-11 23:42:51,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:42:51,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773633126] [2022-07-11 23:42:51,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:42:51,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:42:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:42:51,701 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-11 23:42:51,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:42:51,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773633126] [2022-07-11 23:42:51,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773633126] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-11 23:42:51,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612604752] [2022-07-11 23:42:51,702 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-11 23:42:51,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-11 23:42:51,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-11 23:42:51,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-11 23:42:51,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-11 23:42:51,766 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-11 23:42:51,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-11 23:42:51,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-11 23:42:51,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-11 23:42:51,824 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-11 23:42:51,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-11 23:42:51,893 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-11 23:42:51,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612604752] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-11 23:42:51,894 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-11 23:42:51,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 14 [2022-07-11 23:42:51,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889283890] [2022-07-11 23:42:51,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-11 23:42:51,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-11 23:42:51,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 23:42:51,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-11 23:42:51,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2022-07-11 23:42:51,898 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 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) [2022-07-11 23:42:51,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 23:42:51,951 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2022-07-11 23:42:51,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-11 23:42:51,954 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-07-11 23:42:51,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 23:42:51,955 INFO L225 Difference]: With dead ends: 44 [2022-07-11 23:42:51,956 INFO L226 Difference]: Without dead ends: 37 [2022-07-11 23:42:51,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2022-07-11 23:42:51,961 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 19 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-11 23:42:51,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 15 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-11 23:42:51,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-07-11 23:42:51,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2022-07-11 23:42:51,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.064516129032258) internal successors, (33), 31 states have internal predecessors, (33), 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) [2022-07-11 23:42:51,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2022-07-11 23:42:51,971 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 29 [2022-07-11 23:42:51,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 23:42:51,971 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2022-07-11 23:42:51,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 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) [2022-07-11 23:42:51,972 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2022-07-11 23:42:51,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-11 23:42:51,973 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:42:51,973 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 23:42:51,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-11 23:42:52,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-11 23:42:52,188 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:42:52,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:42:52,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1133517568, now seen corresponding path program 3 times [2022-07-11 23:42:52,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:42:52,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558724146] [2022-07-11 23:42:52,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:42:52,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:42:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:42:52,307 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-07-11 23:42:52,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:42:52,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558724146] [2022-07-11 23:42:52,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558724146] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-11 23:42:52,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737135344] [2022-07-11 23:42:52,310 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-11 23:42:52,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-11 23:42:52,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-11 23:42:52,316 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-11 23:42:52,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-11 23:42:52,383 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-07-11 23:42:52,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-11 23:42:52,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-11 23:42:52,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-11 23:42:53,016 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-07-11 23:42:53,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-11 23:42:58,178 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-07-11 23:42:58,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737135344] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-11 23:42:58,179 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-11 23:42:58,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2022-07-11 23:42:58,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758360907] [2022-07-11 23:42:58,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-11 23:42:58,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-11 23:42:58,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 23:42:58,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-11 23:42:58,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-11 23:42:58,181 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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) [2022-07-11 23:43:00,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-11 23:43:03,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-11 23:43:03,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 23:43:03,397 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2022-07-11 23:43:03,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-11 23:43:03,398 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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 [2022-07-11 23:43:03,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 23:43:03,399 INFO L225 Difference]: With dead ends: 40 [2022-07-11 23:43:03,399 INFO L226 Difference]: Without dead ends: 34 [2022-07-11 23:43:03,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-11 23:43:03,400 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 9 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-11 23:43:03,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 28 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2022-07-11 23:43:03,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-07-11 23:43:03,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-07-11 23:43:03,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 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) [2022-07-11 23:43:03,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2022-07-11 23:43:03,405 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 31 [2022-07-11 23:43:03,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 23:43:03,405 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2022-07-11 23:43:03,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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) [2022-07-11 23:43:03,405 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2022-07-11 23:43:03,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-11 23:43:03,406 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:43:03,406 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 23:43:03,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-11 23:43:03,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-11 23:43:03,627 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:43:03,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:43:03,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1664602656, now seen corresponding path program 4 times [2022-07-11 23:43:03,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:43:03,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286161594] [2022-07-11 23:43:03,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:43:03,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:43:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:43:24,953 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-07-11 23:43:24,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:43:24,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286161594] [2022-07-11 23:43:24,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286161594] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-11 23:43:24,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438367038] [2022-07-11 23:43:24,953 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-11 23:43:24,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-11 23:43:24,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-11 23:43:24,957 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-11 23:43:24,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-11 23:43:25,150 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-11 23:43:25,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-11 23:43:25,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 22 conjunts are in the unsatisfiable core [2022-07-11 23:43:25,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-11 23:44:15,343 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-07-11 23:44:15,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-11 23:46:20,793 WARN L855 $PredicateComparison]: unable to prove that (and (forall ((|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~c~0#1_38_49| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138| Int) (|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| Int) (|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71| Int)) (let ((.cse14 (* |c_ULTIMATE.start_main_~i~0#1| 4294967562)) (.cse4 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71| 4294967296)) (.cse12 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138| 4294967040)) (.cse22 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221| 4294967296)) (.cse23 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60| 256)) (.cse24 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| 4294967296)) (.cse25 (* 4294967296 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365|))) (let ((.cse15 (+ .cse22 .cse23 .cse24 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| (* 256 |aux_div_aux_mod_ULTIMATE.start_main_~c~0#1_38_49|) .cse25)) (.cse19 (+ 8589934544 .cse14 .cse4 .cse12)) (.cse3 (* 4294967306 |c_ULTIMATE.start_main_~i~0#1|)) (.cse5 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138| 4294967296)) (.cse13 (* 4294967552 |c_ULTIMATE.start_main_~i~0#1|)) (.cse2 (+ .cse24 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| .cse25)) (.cse18 (+ .cse24 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359|)) (.cse16 (* 256 |c_ULTIMATE.start_main_~i~0#1|)) (.cse17 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71| 256)) (.cse21 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71| 4294967552)) (.cse1 (+ .cse22 .cse24 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| .cse25)) (.cse6 (* |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| (- 10))) (.cse7 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138| 42949670400)) (.cse8 (* (- 42949672960) |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359|)) (.cse9 (* 42949672960 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359|)) (.cse10 (* |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| 10)) (.cse11 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138| (- 42949670400))) (.cse0 (+ 8589934800 .cse14 .cse4 .cse12)) (.cse20 (+ .cse22 .cse23 .cse24 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| .cse25))) (or (< |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| 0) (<= .cse0 .cse1) (< .cse2 (+ .cse3 .cse4 .cse5 4294967248)) (< 2147483647 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359|) (<= (div (* (- 1) (div (+ (* 2560 |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71|) (* 2560 |c_ULTIMATE.start_main_~i~0#1|) .cse6 .cse7 .cse8 (- 2147483658)) (- 256))) (- 16777216)) (+ (div (+ (- 48) .cse9 .cse10 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71| (- 2560)) (* (- 2560) |c_ULTIMATE.start_main_~i~0#1|) .cse11) 4294967296) 1)) (< .cse2 (+ .cse4 .cse12 .cse13 4294967296)) (< (+ .cse14 .cse4 .cse12 8589934601) .cse15) (<= (+ .cse16 .cse17 .cse12 4294967296) .cse18) (< .cse15 .cse19) (< .cse20 (+ .cse14 8589934592 .cse4 .cse12)) (< .cse1 .cse19) (<= (+ .cse3 4294967504 .cse4 .cse5) .cse2) (< .cse1 (+ 8589934544 .cse14 .cse12 .cse21)) (<= (+ 8589934592 .cse4 .cse12 .cse13) .cse2) (< .cse18 (+ .cse16 .cse17 .cse12)) (<= (+ 8589934800 .cse14 .cse12 .cse21) .cse1) (<= (div (* (- 1) (div (+ (* 42949675520 |c_ULTIMATE.start_main_~i~0#1|) .cse6 (* (- 42949672960) |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365|) .cse7 .cse8 (* 42949672960 |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71|) 40802189104) (- 256))) (- 16777216)) (+ (div (div (+ (* (- 42949675520) |c_ULTIMATE.start_main_~i~0#1|) (- 42949672960) .cse9 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71| (- 42949672960)) .cse10 .cse11 (* 42949672960 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365|)) 256) 16777216) 1)) (<= .cse0 .cse20))))) (forall ((|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~c~0#1_38_49| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138| Int) (|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| Int) (|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71| Int)) (let ((.cse34 (* |c_ULTIMATE.start_main_~i~0#1| 4294967562)) (.cse30 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71| 4294967296)) (.cse35 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138| 4294967040)) (.cse46 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221| 4294967296)) (.cse47 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60| 256)) (.cse44 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| 4294967296)) (.cse45 (* 4294967296 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365|))) (let ((.cse36 (+ .cse46 .cse47 .cse44 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| (* 256 |aux_div_aux_mod_ULTIMATE.start_main_~c~0#1_38_49|) .cse45)) (.cse32 (* |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| (- 10))) (.cse33 (* |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| 10)) (.cse40 (+ 8589934544 .cse34 .cse30 .cse35)) (.cse29 (* 4294967306 |c_ULTIMATE.start_main_~i~0#1|)) (.cse31 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138| 4294967296)) (.cse39 (+ .cse44 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359|)) (.cse37 (* 256 |c_ULTIMATE.start_main_~i~0#1|)) (.cse38 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71| 256)) (.cse42 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71| 4294967552)) (.cse27 (+ .cse46 .cse44 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| .cse45)) (.cse26 (+ 8589934800 .cse34 .cse30 .cse35)) (.cse41 (+ .cse46 .cse47 .cse44 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| .cse45)) (.cse28 (+ .cse44 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| .cse45)) (.cse43 (* 4294967552 |c_ULTIMATE.start_main_~i~0#1|))) (or (<= .cse26 .cse27) (< .cse28 (+ .cse29 .cse30 .cse31 4294967248)) (<= (div (* (- 1) (div (+ (* 2560 |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71|) (* 2560 |c_ULTIMATE.start_main_~i~0#1|) .cse32 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138| 42949670400) (* (- 42949672960) |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359|) 40802189104) (- 256))) (- 16777216)) (+ (div (div (+ (- 42949672960) (* 42949672960 |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359|) .cse33 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71| (- 2560)) (* (- 2560) |c_ULTIMATE.start_main_~i~0#1|) (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138| (- 42949670400))) 256) 16777216) 1)) (< (+ .cse34 .cse30 .cse35 8589934601) .cse36) (<= (+ .cse37 .cse38 .cse35 4294967296) .cse39) (< .cse36 .cse40) (<= (div (* (- 1) (div (+ .cse32 40802189302) (- 256))) (- 16777216)) (+ (div (+ .cse33 (- 42949673008)) 4294967296) 1)) (< .cse41 (+ .cse34 8589934592 .cse30 .cse35)) (< .cse27 .cse40) (<= (+ .cse29 4294967504 .cse30 .cse31) .cse28) (< .cse27 (+ 8589934544 .cse34 .cse35 .cse42)) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359| 4294967296) (<= (+ 8589934592 .cse30 .cse35 .cse43) .cse28) (< .cse39 (+ .cse37 .cse38 .cse35)) (<= (+ 8589934800 .cse34 .cse35 .cse42) .cse27) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~c~0#1_38_49_60_71_221_138_365_359|) (<= .cse26 .cse41) (<= .cse28 (+ .cse30 .cse35 .cse43 6442450943))))))) is different from true