./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2018/Problem11.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/eca-rers2018/Problem11.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 9a40bb4f35144538f1545c9fce8c4acdb3894b38 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/eca-rers2018/Problem11.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 9a40bb4f35144538f1545c9fce8c4acdb3894b38 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@3cc99299 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-09-13 13:05:23,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-13 13:05:23,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-13 13:05:23,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-13 13:05:23,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-13 13:05:23,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-13 13:05:23,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-13 13:05:23,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-13 13:05:23,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-13 13:05:23,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-13 13:05:23,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-13 13:05:23,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-13 13:05:23,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-13 13:05:23,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-13 13:05:23,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-13 13:05:23,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-13 13:05:23,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-13 13:05:23,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-13 13:05:23,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-13 13:05:23,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-13 13:05:23,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-13 13:05:23,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-13 13:05:23,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-13 13:05:23,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-13 13:05:23,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-13 13:05:23,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-13 13:05:23,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-13 13:05:23,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-13 13:05:23,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-13 13:05:23,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-13 13:05:23,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-13 13:05:23,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-13 13:05:23,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-13 13:05:23,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-13 13:05:23,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-13 13:05:23,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-13 13:05:23,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-13 13:05:23,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-13 13:05:23,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-13 13:05:23,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-13 13:05:23,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-13 13:05:23,510 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-09-13 13:05:23,544 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-13 13:05:23,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-13 13:05:23,548 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-13 13:05:23,548 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-13 13:05:23,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-13 13:05:23,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-13 13:05:23,550 INFO L138 SettingsManager]: * Use SBE=true [2021-09-13 13:05:23,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-13 13:05:23,550 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-13 13:05:23,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-09-13 13:05:23,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-13 13:05:23,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-13 13:05:23,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-13 13:05:23,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-13 13:05:23,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-13 13:05:23,552 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-13 13:05:23,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-13 13:05:23,557 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-13 13:05:23,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-13 13:05:23,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-13 13:05:23,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-13 13:05:23,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-13 13:05:23,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-13 13:05:23,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-13 13:05:23,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-13 13:05:23,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-13 13:05:23,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-09-13 13:05:23,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-09-13 13:05:23,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-13 13:05:23,560 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-13 13:05:23,560 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a40bb4f35144538f1545c9fce8c4acdb3894b38 [2021-09-13 13:05:23,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-13 13:05:23,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-13 13:05:23,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-13 13:05:23,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-13 13:05:23,902 INFO L275 PluginConnector]: CDTParser initialized [2021-09-13 13:05:23,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2018/Problem11.c [2021-09-13 13:05:23,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a9a1282/b25d408fece347ba937146d74c18f586/FLAGcaa6ff750 [2021-09-13 13:05:24,577 INFO L306 CDTParser]: Found 1 translation units. [2021-09-13 13:05:24,578 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem11.c [2021-09-13 13:05:24,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a9a1282/b25d408fece347ba937146d74c18f586/FLAGcaa6ff750 [2021-09-13 13:05:24,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a9a1282/b25d408fece347ba937146d74c18f586 [2021-09-13 13:05:24,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-13 13:05:24,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-13 13:05:24,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-13 13:05:24,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-13 13:05:24,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-13 13:05:24,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 01:05:24" (1/1) ... [2021-09-13 13:05:24,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55326344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:05:24, skipping insertion in model container [2021-09-13 13:05:24,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 01:05:24" (1/1) ... [2021-09-13 13:05:24,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-13 13:05:25,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-13 13:05:25,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem11.c[778,791] [2021-09-13 13:05:25,232 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem11.c[817,830] [2021-09-13 13:05:26,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-13 13:05:26,035 INFO L203 MainTranslator]: Completed pre-run [2021-09-13 13:05:26,045 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem11.c[778,791] [2021-09-13 13:05:26,046 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem11.c[817,830] [2021-09-13 13:05:26,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-13 13:05:26,284 INFO L208 MainTranslator]: Completed translation [2021-09-13 13:05:26,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:05:26 WrapperNode [2021-09-13 13:05:26,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-13 13:05:26,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-09-13 13:05:26,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-09-13 13:05:26,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-09-13 13:05:26,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:05:26" (1/1) ... [2021-09-13 13:05:26,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:05:26" (1/1) ... [2021-09-13 13:05:26,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-09-13 13:05:26,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-09-13 13:05:26,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-09-13 13:05:26,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-09-13 13:05:26,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:05:26" (1/1) ... [2021-09-13 13:05:26,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:05:26" (1/1) ... [2021-09-13 13:05:26,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:05:26" (1/1) ... [2021-09-13 13:05:26,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:05:26" (1/1) ... [2021-09-13 13:05:26,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:05:26" (1/1) ... [2021-09-13 13:05:26,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:05:26" (1/1) ... [2021-09-13 13:05:27,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:05:26" (1/1) ... [2021-09-13 13:05:27,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-09-13 13:05:27,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-09-13 13:05:27,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-09-13 13:05:27,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-09-13 13:05:27,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:05:26" (1/1) ... [2021-09-13 13:05:27,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-13 13:05:27,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-09-13 13:05:27,070 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) [2021-09-13 13:05:27,091 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 [2021-09-13 13:05:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-09-13 13:05:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-09-13 13:05:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-09-13 13:05:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-09-13 13:05:29,398 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-09-13 13:05:29,399 INFO L299 CfgBuilder]: Removed 497 assume(true) statements. [2021-09-13 13:05:29,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 01:05:29 BoogieIcfgContainer [2021-09-13 13:05:29,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-09-13 13:05:29,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-09-13 13:05:29,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-09-13 13:05:29,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-09-13 13:05:29,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.09 01:05:24" (1/3) ... [2021-09-13 13:05:29,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@272ab5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 01:05:29, skipping insertion in model container [2021-09-13 13:05:29,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:05:26" (2/3) ... [2021-09-13 13:05:29,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@272ab5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 01:05:29, skipping insertion in model container [2021-09-13 13:05:29,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 01:05:29" (3/3) ... [2021-09-13 13:05:29,407 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11.c [2021-09-13 13:05:29,411 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-09-13 13:05:29,411 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 100 error locations. [2021-09-13 13:05:29,450 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-09-13 13:05:29,455 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-09-13 13:05:29,456 INFO L340 AbstractCegarLoop]: Starting to check reachability of 100 error locations. [2021-09-13 13:05:29,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 650 states, 549 states have (on average 1.819672131147541) internal successors, (999), 649 states have internal predecessors, (999), 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) [2021-09-13 13:05:29,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-09-13 13:05:29,492 INFO L505 BasicCegarLoop]: Found error trace [2021-09-13 13:05:29,493 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-13 13:05:29,493 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-09-13 13:05:29,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-13 13:05:29,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1416223949, now seen corresponding path program 1 times [2021-09-13 13:05:29,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-13 13:05:29,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057993879] [2021-09-13 13:05:29,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 13:05:29,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-13 13:05:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:05:29,854 INFO L281 TraceCheckUtils]: 0: Hoare triple {653#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12);~inputs~0 := ~inputs~0[0 := 7];~inputs~0 := ~inputs~0[1 := 10];~inputs~0 := ~inputs~0[2 := 6];~inputs~0 := ~inputs~0[3 := 2];~inputs~0 := ~inputs~0[4 := 5];~inputs~0 := ~inputs~0[5 := 3];~inputs~0 := ~inputs~0[6 := 9];~inputs~0 := ~inputs~0[7 := 4];~inputs~0 := ~inputs~0[8 := 8];~inputs~0 := ~inputs~0[9 := 1];~a589117628~0 := 34;~a1290652559~0 := 4;~a236788248~0 := 16;~a1580522136~0 := 161;~a45685611~0 := 11;~a1889803145~0 := 118;~a910748832~0 := 36;~a471011792~0 := 10;~a946891643~0 := 5;~a665096794~0 := 11;~a850881173~0 := 141;~a2040628137~0 := 8;~a583510163~0 := 77;~a1859402009~0 := 14;~a268371874~0 := 51;~a837448621~0 := 32;~a824024208~0 := 32;~a1171576990~0 := 32;~a1422023390~0 := -4;~a1605463015~0 := 9;~a812175843~0 := 36;~a890181220~0 := 32;~a808219163~0 := 35;~a1210734340~0 := 58;~a1864015649~0 := 33;~a1944090451~0 := 34;~a412613099~0 := -28;~a2139179119~0 := 15;~cf~0 := 1;~a648283191~0 := -108;~a71064409~0 := -168;~a499699109~0 := 3;~a1001390225~0 := -24;~a274381288~0 := 312;~a1218264876~0 := 32;~a1535937505~0 := 32;~a1879373572~0 := 32;~a2064844468~0 := 32;~a182175502~0 := 7;~a482477713~0 := 8;~a44138666~0 := 36;~a418218587~0 := 36;~a621522874~0 := 131;~a2083223046~0 := 35;~a1179664392~0 := 33;~a166920931~0 := 8;~a1684594625~0 := 108;~a1534902259~0 := 32;~a430318312~0 := 3;~a1821141922~0 := 35;~a835102539~0 := 5;~a2079503415~0 := 13;~a1071924404~0 := 34;~a2061255735~0 := 6;~a2122722213~0 := 2;~a552913881~0 := 520;~a173429297~0 := -35;~a763506461~0 := 0;~a635353122~0 := 1;~a1075927325~0 := 0;~a434613686~0 := 0;~a95561532~0 := 0;~a1487195600~0 := 1;~a275262794~0 := 0;~a273635060~0 := 1;~a1221017635~0 := 0;~a311962986~0 := 0;~a2084484762~0 := 0;~a460288454~0 := 0;~a418880267~0 := 1;~a1264277206~0 := 1;~a1355501303~0 := 1;~a547738254~0 := 0;~a1515611838~0 := 0;~a514396383~0 := 2;~a1955344686~0 := 0;~a220097023~0 := 1;~a1053339053~0 := 2;~a501521675~0 := 3;~a487646776~0 := 2;~a1716545843~0 := 0;~a51415461~0 := 3;~a1425431969~0 := 2;~a416125995~0 := 3;~a1498331231~0 := 1;~a1148381820~0 := 2;~a838736370~0 := 2;~a834109496~0 := 3;~a1859169403~0 := 0;~a1743588795~0 := 1;~a112204540~0 := 3;~a1347184625~0 := 1; {655#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0))} is VALID [2021-09-13 13:05:29,856 INFO L281 TraceCheckUtils]: 1: Hoare triple {655#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0))} havoc main_#res;havoc main_#t~nondet269, main_~input~0; {655#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0))} is VALID [2021-09-13 13:05:29,857 INFO L281 TraceCheckUtils]: 2: Hoare triple {655#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0))} assume !false;havoc main_~input~0;assume -2147483648 <= main_#t~nondet269 && main_#t~nondet269 <= 2147483647;main_~input~0 := main_#t~nondet269;havoc main_#t~nondet269; {655#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0))} is VALID [2021-09-13 13:05:29,858 INFO L281 TraceCheckUtils]: 3: Hoare triple {655#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0))} assume !(((((((((7 != main_~input~0 && 10 != main_~input~0) && 6 != main_~input~0) && 2 != main_~input~0) && 5 != main_~input~0) && 3 != main_~input~0) && 9 != main_~input~0) && 4 != main_~input~0) && 8 != main_~input~0) && 1 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input;~cf~0 := 1; {656#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0) (= ~cf~0 1))} is VALID [2021-09-13 13:05:29,859 INFO L281 TraceCheckUtils]: 4: Hoare triple {656#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0) (= ~cf~0 1))} assume !(~a850881173~0 <= 37 && (((~a1210734340~0 <= 17 && (1 == ~cf~0 && 5 == ~a471011792~0) && ~a1001390225~0 <= -146) && 33 == ~a1879373572~0) && 10 == ~a665096794~0) && 33 == ~a837448621~0); {656#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0) (= ~cf~0 1))} is VALID [2021-09-13 13:05:29,861 INFO L281 TraceCheckUtils]: 5: Hoare triple {656#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0) (= ~cf~0 1))} assume !(((28 < ~a268371874~0 && 76 >= ~a268371874~0) && 6 == ~a2061255735~0 && ((7 == ~a182175502~0 && 32 == ~a837448621~0) && 32 == ~a1879373572~0) && 32 == ~a1171576990~0) && 6 == ~a471011792~0 && 1 == ~cf~0); {656#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0) (= ~cf~0 1))} is VALID [2021-09-13 13:05:29,865 INFO L281 TraceCheckUtils]: 6: Hoare triple {656#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0) (= ~cf~0 1))} assume !(((7 == ~a2061255735~0 && (7 == ~a471011792~0 && 1 == ~cf~0) && 5 == ~a1290652559~0) && 12 == ~a665096794~0) && (9 == ~a2040628137~0 && 34 == ~a1879373572~0) && 51 < ~a1001390225~0 && 148 >= ~a1001390225~0); {656#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0) (= ~cf~0 1))} is VALID [2021-09-13 13:05:29,866 INFO L281 TraceCheckUtils]: 7: Hoare triple {656#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0) (= ~cf~0 1))} assume !((~a412613099~0 <= -144 && 3 == ~a1290652559~0 && 6 == ~a182175502~0) && (33 == ~a1534902259~0 && 5 == ~a2061255735~0 && 1 == ~cf~0 && 8 == ~a471011792~0) && 33 == ~a2064844468~0); {656#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0) (= ~cf~0 1))} is VALID [2021-09-13 13:05:29,867 INFO L281 TraceCheckUtils]: 8: Hoare triple {656#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0) (= ~cf~0 1))} assume !(((33 == ~a1534902259~0 && 33 == ~a1171576990~0 && 33 == ~a890181220~0) && 10 == ~a665096794~0) && 5 == ~a2061255735~0 && (9 == ~a471011792~0 && 1 == ~cf~0) && ~a268371874~0 <= 28); {656#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0) (= ~cf~0 1))} is VALID [2021-09-13 13:05:29,868 INFO L281 TraceCheckUtils]: 9: Hoare triple {656#(and (= 4 ~a1290652559~0) (<= ~a850881173~0 141) (<= 141 ~a850881173~0) (= 32 ~a2064844468~0) (<= 77 ~a583510163~0) (= ~a1171576990~0 32) (= ~a2040628137~0 8) (<= ~a583510163~0 77) (= 10 ~a471011792~0) (= ~cf~0 1))} assume !((4 == ~a1290652559~0 && 32 == ~a1171576990~0 && 37 < ~a850881173~0 && 184 >= ~a850881173~0) && (32 == ~a2064844468~0 && (8 < ~a583510163~0 && 150 >= ~a583510163~0) && 10 == ~a471011792~0 && 1 == ~cf~0) && 8 == ~a2040628137~0); {654#false} is VALID [2021-09-13 13:05:29,868 INFO L281 TraceCheckUtils]: 10: Hoare triple {654#false} assume !((((1 == ~cf~0 && 11 == ~a471011792~0) && 28 < ~a268371874~0 && 76 >= ~a268371874~0) && 32 == ~a1171576990~0) && 32 == ~a1534902259~0 && ((17 < ~a1210734340~0 && 187 >= ~a1210734340~0) && 32 == ~a2064844468~0) && 7 == ~a182175502~0); {654#false} is VALID [2021-09-13 13:05:29,869 INFO L281 TraceCheckUtils]: 11: Hoare triple {654#false} assume !(((8 < ~a583510163~0 && 150 >= ~a583510163~0) && 32 == ~a1534902259~0) && ((32 == ~a890181220~0 && (1 == ~cf~0 && 12 == ~a471011792~0) && 28 < ~a268371874~0 && 76 >= ~a268371874~0) && 4 == ~a1290652559~0) && 32 == ~a1879373572~0); {654#false} is VALID [2021-09-13 13:05:29,869 INFO L281 TraceCheckUtils]: 12: Hoare triple {654#false} assume (33 == ~a824024208~0 && 330 < ~a621522874~0 && 523 >= ~a621522874~0) && 11 == ~a471011792~0;~cf~0 := 0; {654#false} is VALID [2021-09-13 13:05:29,869 INFO L281 TraceCheckUtils]: 13: Hoare triple {654#false} assume !false; {654#false} is VALID [2021-09-13 13:05:29,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 13:05:29,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-13 13:05:29,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057993879] [2021-09-13 13:05:29,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057993879] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-13 13:05:29,873 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-13 13:05:29,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-09-13 13:05:29,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136058840] [2021-09-13 13:05:29,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2021-09-13 13:05:29,881 INFO L84 Accepts]: Finished accepts. word is accepted. [2021-09-13 13:05:29,884 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-09-13 13:05:29,905 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:05:29,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-09-13 13:05:29,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-13 13:05:29,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-09-13 13:05:29,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-09-13 13:05:29,931 INFO L87 Difference]: Start difference. First operand has 650 states, 549 states have (on average 1.819672131147541) internal successors, (999), 649 states have internal predecessors, (999), 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 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-09-13 13:05:32,074 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:05:40,627 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:05:42,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:05:44,824 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:05:46,555 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:05:51,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:05:53,265 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:05:56,905 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:01,769 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:06,386 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:08,429 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:10,462 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:12,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:14,282 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:16,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:26,518 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:28,099 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:30,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:32,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:34,342 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:36,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:41,032 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:43,150 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:51,871 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:56,839 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:06:59,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:01,097 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:04,913 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:06,918 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:08,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:10,950 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:12,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:13,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:07:13,114 INFO L93 Difference]: Finished difference Result 1463 states and 2302 transitions. [2021-09-13 13:07:13,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-09-13 13:07:13,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2021-09-13 13:07:13,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-13 13:07:13,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-09-13 13:07:13,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2302 transitions. [2021-09-13 13:07:13,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-09-13 13:07:13,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2302 transitions. [2021-09-13 13:07:13,190 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 2302 transitions. [2021-09-13 13:07:14,782 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2302 edges. 2302 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:07:14,922 INFO L225 Difference]: With dead ends: 1463 [2021-09-13 13:07:14,923 INFO L226 Difference]: Without dead ends: 809 [2021-09-13 13:07:14,930 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 62.10ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-09-13 13:07:14,933 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 325 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 1571 mSolverCounterSat, 108 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73432.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.10ms SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1571 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73662.97ms IncrementalHoareTripleChecker+Time [2021-09-13 13:07:14,934 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 0 Invalid, 1705 Unknown, 0 Unchecked, 14.10ms Time], IncrementalHoareTripleChecker [108 Valid, 1571 Invalid, 26 Unknown, 0 Unchecked, 73662.97ms Time] [2021-09-13 13:07:14,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2021-09-13 13:07:15,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 773. [2021-09-13 13:07:15,009 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2021-09-13 13:07:15,015 INFO L82 GeneralOperation]: Start isEquivalent. First operand 809 states. Second operand has 773 states, 673 states have (on average 1.401188707280832) internal successors, (943), 772 states have internal predecessors, (943), 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) [2021-09-13 13:07:15,018 INFO L74 IsIncluded]: Start isIncluded. First operand 809 states. Second operand has 773 states, 673 states have (on average 1.401188707280832) internal successors, (943), 772 states have internal predecessors, (943), 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) [2021-09-13 13:07:15,020 INFO L87 Difference]: Start difference. First operand 809 states. Second operand has 773 states, 673 states have (on average 1.401188707280832) internal successors, (943), 772 states have internal predecessors, (943), 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) [2021-09-13 13:07:15,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:07:15,131 INFO L93 Difference]: Finished difference Result 809 states and 976 transitions. [2021-09-13 13:07:15,132 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 976 transitions. [2021-09-13 13:07:15,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 13:07:15,140 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 13:07:15,142 INFO L74 IsIncluded]: Start isIncluded. First operand has 773 states, 673 states have (on average 1.401188707280832) internal successors, (943), 772 states have internal predecessors, (943), 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 809 states. [2021-09-13 13:07:15,144 INFO L87 Difference]: Start difference. First operand has 773 states, 673 states have (on average 1.401188707280832) internal successors, (943), 772 states have internal predecessors, (943), 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 809 states. [2021-09-13 13:07:15,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:07:15,238 INFO L93 Difference]: Finished difference Result 809 states and 976 transitions. [2021-09-13 13:07:15,238 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 976 transitions. [2021-09-13 13:07:15,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 13:07:15,245 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 13:07:15,245 INFO L88 GeneralOperation]: Finished isEquivalent. [2021-09-13 13:07:15,245 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2021-09-13 13:07:15,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 673 states have (on average 1.401188707280832) internal successors, (943), 772 states have internal predecessors, (943), 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) [2021-09-13 13:07:15,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 943 transitions. [2021-09-13 13:07:15,304 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 943 transitions. Word has length 14 [2021-09-13 13:07:15,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-13 13:07:15,304 INFO L470 AbstractCegarLoop]: Abstraction has 773 states and 943 transitions. [2021-09-13 13:07:15,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-09-13 13:07:15,305 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 943 transitions. [2021-09-13 13:07:15,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-09-13 13:07:15,306 INFO L505 BasicCegarLoop]: Found error trace [2021-09-13 13:07:15,306 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-13 13:07:15,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-09-13 13:07:15,307 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-09-13 13:07:15,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-13 13:07:15,308 INFO L82 PathProgramCache]: Analyzing trace with hash 323636281, now seen corresponding path program 1 times [2021-09-13 13:07:15,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-13 13:07:15,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327451891] [2021-09-13 13:07:15,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 13:07:15,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-13 13:07:15,334 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-09-13 13:07:15,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2083459675] [2021-09-13 13:07:15,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 13:07:15,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-09-13 13:07:15,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-09-13 13:07:15,336 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) [2021-09-13 13:07:15,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-09-13 13:07:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:07:15,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 2 conjunts are in the unsatisfiable core [2021-09-13 13:07:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:07:15,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-09-13 13:07:15,623 INFO L281 TraceCheckUtils]: 0: Hoare triple {4521#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12);~inputs~0 := ~inputs~0[0 := 7];~inputs~0 := ~inputs~0[1 := 10];~inputs~0 := ~inputs~0[2 := 6];~inputs~0 := ~inputs~0[3 := 2];~inputs~0 := ~inputs~0[4 := 5];~inputs~0 := ~inputs~0[5 := 3];~inputs~0 := ~inputs~0[6 := 9];~inputs~0 := ~inputs~0[7 := 4];~inputs~0 := ~inputs~0[8 := 8];~inputs~0 := ~inputs~0[9 := 1];~a589117628~0 := 34;~a1290652559~0 := 4;~a236788248~0 := 16;~a1580522136~0 := 161;~a45685611~0 := 11;~a1889803145~0 := 118;~a910748832~0 := 36;~a471011792~0 := 10;~a946891643~0 := 5;~a665096794~0 := 11;~a850881173~0 := 141;~a2040628137~0 := 8;~a583510163~0 := 77;~a1859402009~0 := 14;~a268371874~0 := 51;~a837448621~0 := 32;~a824024208~0 := 32;~a1171576990~0 := 32;~a1422023390~0 := -4;~a1605463015~0 := 9;~a812175843~0 := 36;~a890181220~0 := 32;~a808219163~0 := 35;~a1210734340~0 := 58;~a1864015649~0 := 33;~a1944090451~0 := 34;~a412613099~0 := -28;~a2139179119~0 := 15;~cf~0 := 1;~a648283191~0 := -108;~a71064409~0 := -168;~a499699109~0 := 3;~a1001390225~0 := -24;~a274381288~0 := 312;~a1218264876~0 := 32;~a1535937505~0 := 32;~a1879373572~0 := 32;~a2064844468~0 := 32;~a182175502~0 := 7;~a482477713~0 := 8;~a44138666~0 := 36;~a418218587~0 := 36;~a621522874~0 := 131;~a2083223046~0 := 35;~a1179664392~0 := 33;~a166920931~0 := 8;~a1684594625~0 := 108;~a1534902259~0 := 32;~a430318312~0 := 3;~a1821141922~0 := 35;~a835102539~0 := 5;~a2079503415~0 := 13;~a1071924404~0 := 34;~a2061255735~0 := 6;~a2122722213~0 := 2;~a552913881~0 := 520;~a173429297~0 := -35;~a763506461~0 := 0;~a635353122~0 := 1;~a1075927325~0 := 0;~a434613686~0 := 0;~a95561532~0 := 0;~a1487195600~0 := 1;~a275262794~0 := 0;~a273635060~0 := 1;~a1221017635~0 := 0;~a311962986~0 := 0;~a2084484762~0 := 0;~a460288454~0 := 0;~a418880267~0 := 1;~a1264277206~0 := 1;~a1355501303~0 := 1;~a547738254~0 := 0;~a1515611838~0 := 0;~a514396383~0 := 2;~a1955344686~0 := 0;~a220097023~0 := 1;~a1053339053~0 := 2;~a501521675~0 := 3;~a487646776~0 := 2;~a1716545843~0 := 0;~a51415461~0 := 3;~a1425431969~0 := 2;~a416125995~0 := 3;~a1498331231~0 := 1;~a1148381820~0 := 2;~a838736370~0 := 2;~a834109496~0 := 3;~a1859169403~0 := 0;~a1743588795~0 := 1;~a112204540~0 := 3;~a1347184625~0 := 1; {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,624 INFO L281 TraceCheckUtils]: 1: Hoare triple {4526#(<= ~a824024208~0 32)} havoc main_#res;havoc main_#t~nondet269, main_~input~0; {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,624 INFO L281 TraceCheckUtils]: 2: Hoare triple {4526#(<= ~a824024208~0 32)} assume !false;havoc main_~input~0;assume -2147483648 <= main_#t~nondet269 && main_#t~nondet269 <= 2147483647;main_~input~0 := main_#t~nondet269;havoc main_#t~nondet269; {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,624 INFO L281 TraceCheckUtils]: 3: Hoare triple {4526#(<= ~a824024208~0 32)} assume !(((((((((7 != main_~input~0 && 10 != main_~input~0) && 6 != main_~input~0) && 2 != main_~input~0) && 5 != main_~input~0) && 3 != main_~input~0) && 9 != main_~input~0) && 4 != main_~input~0) && 8 != main_~input~0) && 1 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input;~cf~0 := 1; {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,625 INFO L281 TraceCheckUtils]: 4: Hoare triple {4526#(<= ~a824024208~0 32)} assume !(~a850881173~0 <= 37 && (((~a1210734340~0 <= 17 && (1 == ~cf~0 && 5 == ~a471011792~0) && ~a1001390225~0 <= -146) && 33 == ~a1879373572~0) && 10 == ~a665096794~0) && 33 == ~a837448621~0); {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,626 INFO L281 TraceCheckUtils]: 5: Hoare triple {4526#(<= ~a824024208~0 32)} assume !(((28 < ~a268371874~0 && 76 >= ~a268371874~0) && 6 == ~a2061255735~0 && ((7 == ~a182175502~0 && 32 == ~a837448621~0) && 32 == ~a1879373572~0) && 32 == ~a1171576990~0) && 6 == ~a471011792~0 && 1 == ~cf~0); {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,626 INFO L281 TraceCheckUtils]: 6: Hoare triple {4526#(<= ~a824024208~0 32)} assume !(((7 == ~a2061255735~0 && (7 == ~a471011792~0 && 1 == ~cf~0) && 5 == ~a1290652559~0) && 12 == ~a665096794~0) && (9 == ~a2040628137~0 && 34 == ~a1879373572~0) && 51 < ~a1001390225~0 && 148 >= ~a1001390225~0); {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,627 INFO L281 TraceCheckUtils]: 7: Hoare triple {4526#(<= ~a824024208~0 32)} assume !((~a412613099~0 <= -144 && 3 == ~a1290652559~0 && 6 == ~a182175502~0) && (33 == ~a1534902259~0 && 5 == ~a2061255735~0 && 1 == ~cf~0 && 8 == ~a471011792~0) && 33 == ~a2064844468~0); {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,627 INFO L281 TraceCheckUtils]: 8: Hoare triple {4526#(<= ~a824024208~0 32)} assume !(((33 == ~a1534902259~0 && 33 == ~a1171576990~0 && 33 == ~a890181220~0) && 10 == ~a665096794~0) && 5 == ~a2061255735~0 && (9 == ~a471011792~0 && 1 == ~cf~0) && ~a268371874~0 <= 28); {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,627 INFO L281 TraceCheckUtils]: 9: Hoare triple {4526#(<= ~a824024208~0 32)} assume (4 == ~a1290652559~0 && 32 == ~a1171576990~0 && 37 < ~a850881173~0 && 184 >= ~a850881173~0) && (32 == ~a2064844468~0 && (8 < ~a583510163~0 && 150 >= ~a583510163~0) && 10 == ~a471011792~0 && 1 == ~cf~0) && 8 == ~a2040628137~0; {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,628 INFO L281 TraceCheckUtils]: 10: Hoare triple {4526#(<= ~a824024208~0 32)} assume !((32 == ~a837448621~0 && (8 == ~a2040628137~0 && 7 == ~a182175502~0 && 37 < ~a850881173~0 && 184 >= ~a850881173~0) && 5 == ~a835102539~0) && (17 < ~a1210734340~0 && 187 >= ~a1210734340~0) && 1 == ~cf~0 && 383 < ~a552913881~0 && 501 >= ~a552913881~0); {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,628 INFO L281 TraceCheckUtils]: 11: Hoare triple {4526#(<= ~a824024208~0 32)} assume ((32 == ~a1171576990~0 && 501 < ~a552913881~0 && 1 == ~cf~0) && 4 == ~a1290652559~0) && 32 == ~a1879373572~0 && ((8 < ~a583510163~0 && 150 >= ~a583510163~0) && 37 < ~a850881173~0 && 184 >= ~a850881173~0) && 8 == ~a2040628137~0;calculate_outputm33_#in~input := calculate_output_~input;havoc calculate_outputm33_~input;calculate_outputm33_~input := calculate_outputm33_#in~input; {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,628 INFO L281 TraceCheckUtils]: 12: Hoare triple {4526#(<= ~a824024208~0 32)} assume !((5 == ~a835102539~0 && (-144 < ~a412613099~0 && -18 >= ~a412613099~0) && 6 == ~a2061255735~0) && (32 == ~a890181220~0 && (1 == ~cf~0 && 80 < ~a274381288~0 && 206 >= ~a274381288~0) && 8 < ~a583510163~0 && 150 >= ~a583510163~0) && 8 == ~a2040628137~0); {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,630 INFO L281 TraceCheckUtils]: 13: Hoare triple {4526#(<= ~a824024208~0 32)} assume (32 == ~a1534902259~0 && 32 == ~a1879373572~0 && 28 < ~a268371874~0 && 76 >= ~a268371874~0) && (5 == ~a835102539~0 && 32 == ~a1171576990~0 && 301 < ~a274381288~0 && 1 == ~cf~0) && 32 == ~a890181220~0;calculate_outputm140_#in~input := calculate_outputm33_~input;havoc calculate_outputm140_#t~ite219, calculate_outputm140_~input;calculate_outputm140_~input := calculate_outputm140_#in~input; {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,630 INFO L281 TraceCheckUtils]: 14: Hoare triple {4526#(<= ~a824024208~0 32)} assume (32 == ~a2064844468~0 && (6 == calculate_outputm140_~input && 1 == ~cf~0) && 32 == ~a1534902259~0) && (((-146 < ~a1001390225~0 && 51 >= ~a1001390225~0) && 32 == ~a837448621~0) && 32 == ~a1171576990~0) && 6 == ~a2061255735~0;~cf~0 := 0;~a2040628137~0 := -29 + ~a2061255735~0 * ~a2061255735~0;~a471011792~0 := (if ~a665096794~0 < 0 && 0 != ~a665096794~0 % ~a1290652559~0 then (if ~a1290652559~0 < 0 then ~a665096794~0 / ~a1290652559~0 - 1 else 1 + ~a665096794~0 / ~a1290652559~0) else ~a665096794~0 / ~a1290652559~0) - -6;~a1171576990~0 := 33;~a850881173~0 := -15316 + (-28988 + (if ~a268371874~0 * ~a274381288~0 < 0 && 0 != ~a268371874~0 * ~a274381288~0 % 14999 then ~a268371874~0 * ~a274381288~0 % 14999 - 14999 else ~a268371874~0 * ~a274381288~0 % 14999) - 7 - -27353);~a890181220~0 := 33;~a665096794~0 := 3 + ~a2040628137~0;~a71064409~0 := 24 + (if -6829 + 2 * (11419 + ~a583510163~0 * ~a412613099~0) < 0 && 0 != (-6829 + 2 * (11419 + ~a583510163~0 * ~a412613099~0)) % 101 then (-6829 + 2 * (11419 + ~a583510163~0 * ~a412613099~0)) % 101 - 101 else (-6829 + 2 * (11419 + ~a583510163~0 * ~a412613099~0)) % 101);~a1290652559~0 := (if ~a2040628137~0 < 0 && 0 != ~a2040628137~0 % ~a471011792~0 then (if ~a471011792~0 < 0 then ~a2040628137~0 / ~a471011792~0 - 1 else 1 + ~a2040628137~0 / ~a471011792~0) else ~a2040628137~0 / ~a471011792~0) - -3;~a1179664392~0 := 34;~a1210734340~0 := -8 + (4462 + (if ~a850881173~0 * ~a552913881~0 < 0 && 0 != ~a850881173~0 * ~a552913881~0 % 14999 then ~a850881173~0 * ~a552913881~0 % 14999 - 14999 else ~a850881173~0 * ~a552913881~0 % 14999) - 19446);~a1534902259~0 := 33;~a412613099~0 := (if 10 * (if (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) < 0 && 0 != (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) % 5 then 1 + (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5 else (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5) < 0 && 0 != 10 * (if (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) < 0 && 0 != (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) % 5 then 1 + (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5 else (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5) % 2 then 1 + 10 * (if (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) < 0 && 0 != (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) % 5 then 1 + (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5 else (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5) / 2 else 10 * (if (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) < 0 && 0 != (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) % 5 then 1 + (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5 else (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5) / 2);~a182175502~0 := ~a471011792~0 - 2;~a835102539~0 := ~a665096794~0 - ~a1290652559~0 - 3;~a837448621~0 := 33;~a1879373572~0 := 33;~a2061255735~0 := ~a2040628137~0 - 2;~a2064844468~0 := 33;~a1001390225~0 := -16673 + ~a1001390225~0 * ~a268371874~0;~a268371874~0 := (if (if ~a268371874~0 * ~a1001390225~0 < 0 && 0 != ~a268371874~0 * ~a1001390225~0 % 14999 then ~a268371874~0 * ~a1001390225~0 % 14999 - 14999 else ~a268371874~0 * ~a1001390225~0 % 14999) - -16052 - 19425 < 0 && 0 != ((if ~a268371874~0 * ~a1001390225~0 < 0 && 0 != ~a268371874~0 * ~a1001390225~0 % 14999 then ~a268371874~0 * ~a1001390225~0 % 14999 - 14999 else ~a268371874~0 * ~a1001390225~0 % 14999) - -16052 - 19425) % 5 then 1 + ((if ~a268371874~0 * ~a1001390225~0 < 0 && 0 != ~a268371874~0 * ~a1001390225~0 % 14999 then ~a268371874~0 * ~a1001390225~0 % 14999 - 14999 else ~a268371874~0 * ~a1001390225~0 % 14999) - -16052 - 19425) / 5 else ((if ~a268371874~0 * ~a1001390225~0 < 0 && 0 != ~a268371874~0 * ~a1001390225~0 % 14999 then ~a268371874~0 * ~a1001390225~0 % 14999 - 14999 else ~a268371874~0 * ~a1001390225~0 % 14999) - -16052 - 19425) / 5); {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,631 INFO L281 TraceCheckUtils]: 15: Hoare triple {4526#(<= ~a824024208~0 32)} assume !((((1 == ~cf~0 && 8 == calculate_outputm140_~input) && 8 == ~a2040628137~0) && 32 == ~a1171576990~0) && 6 == ~a2061255735~0 && (32 == ~a2064844468~0 && -146 < ~a1001390225~0 && 51 >= ~a1001390225~0) && 8 < ~a583510163~0 && 150 >= ~a583510163~0); {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,631 INFO L281 TraceCheckUtils]: 16: Hoare triple {4526#(<= ~a824024208~0 32)} assume !((((1 == ~cf~0 && 11 == ~a471011792~0) && 28 < ~a268371874~0 && 76 >= ~a268371874~0) && 32 == ~a1171576990~0) && 32 == ~a1534902259~0 && ((17 < ~a1210734340~0 && 187 >= ~a1210734340~0) && 32 == ~a2064844468~0) && 7 == ~a182175502~0); {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,632 INFO L281 TraceCheckUtils]: 17: Hoare triple {4526#(<= ~a824024208~0 32)} assume !(((8 < ~a583510163~0 && 150 >= ~a583510163~0) && 32 == ~a1534902259~0) && ((32 == ~a890181220~0 && (1 == ~cf~0 && 12 == ~a471011792~0) && 28 < ~a268371874~0 && 76 >= ~a268371874~0) && 4 == ~a1290652559~0) && 32 == ~a1879373572~0); {4526#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:07:15,632 INFO L281 TraceCheckUtils]: 18: Hoare triple {4526#(<= ~a824024208~0 32)} assume (33 == ~a824024208~0 && 330 < ~a621522874~0 && 523 >= ~a621522874~0) && 11 == ~a471011792~0;~cf~0 := 0; {4522#false} is VALID [2021-09-13 13:07:15,632 INFO L281 TraceCheckUtils]: 19: Hoare triple {4522#false} assume !false; {4522#false} is VALID [2021-09-13 13:07:15,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 13:07:15,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-09-13 13:07:15,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-13 13:07:15,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327451891] [2021-09-13 13:07:15,633 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-09-13 13:07:15,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083459675] [2021-09-13 13:07:15,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083459675] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-13 13:07:15,633 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-13 13:07:15,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-09-13 13:07:15,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239250594] [2021-09-13 13:07:15,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 20 [2021-09-13 13:07:15,635 INFO L84 Accepts]: Finished accepts. word is accepted. [2021-09-13 13:07:15,635 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2021-09-13 13:07:15,653 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:07:15,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-09-13 13:07:15,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-13 13:07:15,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-09-13 13:07:15,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-13 13:07:15,654 INFO L87 Difference]: Start difference. First operand 773 states and 943 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2021-09-13 13:07:19,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:21,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:26,851 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:28,905 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:31,204 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:38,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:44,080 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:46,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:49,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:51,462 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:53,470 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:07:58,091 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:00,464 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:02,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:05,878 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:07,881 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:13,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:15,815 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:17,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:19,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:21,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:23,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:29,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:31,063 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:33,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:37,478 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:39,500 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:42,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:47,133 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:49,142 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:51,170 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:51,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:08:51,394 INFO L93 Difference]: Finished difference Result 2029 states and 2495 transitions. [2021-09-13 13:08:51,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-09-13 13:08:51,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 20 [2021-09-13 13:08:51,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-13 13:08:51,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2021-09-13 13:08:51,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2350 transitions. [2021-09-13 13:08:51,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2021-09-13 13:08:51,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2350 transitions. [2021-09-13 13:08:51,420 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 2350 transitions. [2021-09-13 13:08:53,208 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2350 edges. 2350 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:08:53,287 INFO L225 Difference]: With dead ends: 2029 [2021-09-13 13:08:53,287 INFO L226 Difference]: Without dead ends: 1384 [2021-09-13 13:08:53,288 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.71ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-13 13:08:53,289 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 712 mSDsluCounter, 1605 mSDsCounter, 0 mSdLazyCounter, 1601 mSolverCounterSat, 4 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68408.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.06ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1601 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68643.15ms IncrementalHoareTripleChecker+Time [2021-09-13 13:08:53,289 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [712 Valid, 0 Invalid, 1630 Unknown, 0 Unchecked, 7.06ms Time], IncrementalHoareTripleChecker [4 Valid, 1601 Invalid, 25 Unknown, 0 Unchecked, 68643.15ms Time] [2021-09-13 13:08:53,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1384 states. [2021-09-13 13:08:53,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1384 to 1152. [2021-09-13 13:08:53,318 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2021-09-13 13:08:53,320 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1384 states. Second operand has 1152 states, 1052 states have (on average 1.4809885931558935) internal successors, (1558), 1151 states have internal predecessors, (1558), 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) [2021-09-13 13:08:53,322 INFO L74 IsIncluded]: Start isIncluded. First operand 1384 states. Second operand has 1152 states, 1052 states have (on average 1.4809885931558935) internal successors, (1558), 1151 states have internal predecessors, (1558), 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) [2021-09-13 13:08:53,324 INFO L87 Difference]: Start difference. First operand 1384 states. Second operand has 1152 states, 1052 states have (on average 1.4809885931558935) internal successors, (1558), 1151 states have internal predecessors, (1558), 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) [2021-09-13 13:08:53,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:08:53,404 INFO L93 Difference]: Finished difference Result 1384 states and 1694 transitions. [2021-09-13 13:08:53,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1694 transitions. [2021-09-13 13:08:53,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 13:08:53,407 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 13:08:53,410 INFO L74 IsIncluded]: Start isIncluded. First operand has 1152 states, 1052 states have (on average 1.4809885931558935) internal successors, (1558), 1151 states have internal predecessors, (1558), 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 1384 states. [2021-09-13 13:08:53,411 INFO L87 Difference]: Start difference. First operand has 1152 states, 1052 states have (on average 1.4809885931558935) internal successors, (1558), 1151 states have internal predecessors, (1558), 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 1384 states. [2021-09-13 13:08:53,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:08:53,492 INFO L93 Difference]: Finished difference Result 1384 states and 1694 transitions. [2021-09-13 13:08:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1694 transitions. [2021-09-13 13:08:53,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 13:08:53,494 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 13:08:53,494 INFO L88 GeneralOperation]: Finished isEquivalent. [2021-09-13 13:08:53,494 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2021-09-13 13:08:53,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1052 states have (on average 1.4809885931558935) internal successors, (1558), 1151 states have internal predecessors, (1558), 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) [2021-09-13 13:08:53,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1558 transitions. [2021-09-13 13:08:53,558 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1558 transitions. Word has length 20 [2021-09-13 13:08:53,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-13 13:08:53,558 INFO L470 AbstractCegarLoop]: Abstraction has 1152 states and 1558 transitions. [2021-09-13 13:08:53,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2021-09-13 13:08:53,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1558 transitions. [2021-09-13 13:08:53,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-09-13 13:08:53,560 INFO L505 BasicCegarLoop]: Found error trace [2021-09-13 13:08:53,561 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-13 13:08:53,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-09-13 13:08:53,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-09-13 13:08:53,781 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-09-13 13:08:53,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-13 13:08:53,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1442797772, now seen corresponding path program 1 times [2021-09-13 13:08:53,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-13 13:08:53,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295863909] [2021-09-13 13:08:53,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 13:08:53,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-13 13:08:53,806 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-09-13 13:08:53,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1911226502] [2021-09-13 13:08:53,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 13:08:53,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-09-13 13:08:53,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-09-13 13:08:53,817 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) [2021-09-13 13:08:53,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-09-13 13:08:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:08:53,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 2 conjunts are in the unsatisfiable core [2021-09-13 13:08:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:08:53,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-09-13 13:08:54,069 INFO L281 TraceCheckUtils]: 0: Hoare triple {10539#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12);~inputs~0 := ~inputs~0[0 := 7];~inputs~0 := ~inputs~0[1 := 10];~inputs~0 := ~inputs~0[2 := 6];~inputs~0 := ~inputs~0[3 := 2];~inputs~0 := ~inputs~0[4 := 5];~inputs~0 := ~inputs~0[5 := 3];~inputs~0 := ~inputs~0[6 := 9];~inputs~0 := ~inputs~0[7 := 4];~inputs~0 := ~inputs~0[8 := 8];~inputs~0 := ~inputs~0[9 := 1];~a589117628~0 := 34;~a1290652559~0 := 4;~a236788248~0 := 16;~a1580522136~0 := 161;~a45685611~0 := 11;~a1889803145~0 := 118;~a910748832~0 := 36;~a471011792~0 := 10;~a946891643~0 := 5;~a665096794~0 := 11;~a850881173~0 := 141;~a2040628137~0 := 8;~a583510163~0 := 77;~a1859402009~0 := 14;~a268371874~0 := 51;~a837448621~0 := 32;~a824024208~0 := 32;~a1171576990~0 := 32;~a1422023390~0 := -4;~a1605463015~0 := 9;~a812175843~0 := 36;~a890181220~0 := 32;~a808219163~0 := 35;~a1210734340~0 := 58;~a1864015649~0 := 33;~a1944090451~0 := 34;~a412613099~0 := -28;~a2139179119~0 := 15;~cf~0 := 1;~a648283191~0 := -108;~a71064409~0 := -168;~a499699109~0 := 3;~a1001390225~0 := -24;~a274381288~0 := 312;~a1218264876~0 := 32;~a1535937505~0 := 32;~a1879373572~0 := 32;~a2064844468~0 := 32;~a182175502~0 := 7;~a482477713~0 := 8;~a44138666~0 := 36;~a418218587~0 := 36;~a621522874~0 := 131;~a2083223046~0 := 35;~a1179664392~0 := 33;~a166920931~0 := 8;~a1684594625~0 := 108;~a1534902259~0 := 32;~a430318312~0 := 3;~a1821141922~0 := 35;~a835102539~0 := 5;~a2079503415~0 := 13;~a1071924404~0 := 34;~a2061255735~0 := 6;~a2122722213~0 := 2;~a552913881~0 := 520;~a173429297~0 := -35;~a763506461~0 := 0;~a635353122~0 := 1;~a1075927325~0 := 0;~a434613686~0 := 0;~a95561532~0 := 0;~a1487195600~0 := 1;~a275262794~0 := 0;~a273635060~0 := 1;~a1221017635~0 := 0;~a311962986~0 := 0;~a2084484762~0 := 0;~a460288454~0 := 0;~a418880267~0 := 1;~a1264277206~0 := 1;~a1355501303~0 := 1;~a547738254~0 := 0;~a1515611838~0 := 0;~a514396383~0 := 2;~a1955344686~0 := 0;~a220097023~0 := 1;~a1053339053~0 := 2;~a501521675~0 := 3;~a487646776~0 := 2;~a1716545843~0 := 0;~a51415461~0 := 3;~a1425431969~0 := 2;~a416125995~0 := 3;~a1498331231~0 := 1;~a1148381820~0 := 2;~a838736370~0 := 2;~a834109496~0 := 3;~a1859169403~0 := 0;~a1743588795~0 := 1;~a112204540~0 := 3;~a1347184625~0 := 1; {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,069 INFO L281 TraceCheckUtils]: 1: Hoare triple {10544#(<= 36 ~a44138666~0)} havoc main_#res;havoc main_#t~nondet269, main_~input~0; {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,069 INFO L281 TraceCheckUtils]: 2: Hoare triple {10544#(<= 36 ~a44138666~0)} assume !false;havoc main_~input~0;assume -2147483648 <= main_#t~nondet269 && main_#t~nondet269 <= 2147483647;main_~input~0 := main_#t~nondet269;havoc main_#t~nondet269; {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,070 INFO L281 TraceCheckUtils]: 3: Hoare triple {10544#(<= 36 ~a44138666~0)} assume !(((((((((7 != main_~input~0 && 10 != main_~input~0) && 6 != main_~input~0) && 2 != main_~input~0) && 5 != main_~input~0) && 3 != main_~input~0) && 9 != main_~input~0) && 4 != main_~input~0) && 8 != main_~input~0) && 1 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input;~cf~0 := 1; {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,070 INFO L281 TraceCheckUtils]: 4: Hoare triple {10544#(<= 36 ~a44138666~0)} assume !(~a850881173~0 <= 37 && (((~a1210734340~0 <= 17 && (1 == ~cf~0 && 5 == ~a471011792~0) && ~a1001390225~0 <= -146) && 33 == ~a1879373572~0) && 10 == ~a665096794~0) && 33 == ~a837448621~0); {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,070 INFO L281 TraceCheckUtils]: 5: Hoare triple {10544#(<= 36 ~a44138666~0)} assume !(((28 < ~a268371874~0 && 76 >= ~a268371874~0) && 6 == ~a2061255735~0 && ((7 == ~a182175502~0 && 32 == ~a837448621~0) && 32 == ~a1879373572~0) && 32 == ~a1171576990~0) && 6 == ~a471011792~0 && 1 == ~cf~0); {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,071 INFO L281 TraceCheckUtils]: 6: Hoare triple {10544#(<= 36 ~a44138666~0)} assume !(((7 == ~a2061255735~0 && (7 == ~a471011792~0 && 1 == ~cf~0) && 5 == ~a1290652559~0) && 12 == ~a665096794~0) && (9 == ~a2040628137~0 && 34 == ~a1879373572~0) && 51 < ~a1001390225~0 && 148 >= ~a1001390225~0); {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,071 INFO L281 TraceCheckUtils]: 7: Hoare triple {10544#(<= 36 ~a44138666~0)} assume !((~a412613099~0 <= -144 && 3 == ~a1290652559~0 && 6 == ~a182175502~0) && (33 == ~a1534902259~0 && 5 == ~a2061255735~0 && 1 == ~cf~0 && 8 == ~a471011792~0) && 33 == ~a2064844468~0); {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,071 INFO L281 TraceCheckUtils]: 8: Hoare triple {10544#(<= 36 ~a44138666~0)} assume !(((33 == ~a1534902259~0 && 33 == ~a1171576990~0 && 33 == ~a890181220~0) && 10 == ~a665096794~0) && 5 == ~a2061255735~0 && (9 == ~a471011792~0 && 1 == ~cf~0) && ~a268371874~0 <= 28); {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,072 INFO L281 TraceCheckUtils]: 9: Hoare triple {10544#(<= 36 ~a44138666~0)} assume (4 == ~a1290652559~0 && 32 == ~a1171576990~0 && 37 < ~a850881173~0 && 184 >= ~a850881173~0) && (32 == ~a2064844468~0 && (8 < ~a583510163~0 && 150 >= ~a583510163~0) && 10 == ~a471011792~0 && 1 == ~cf~0) && 8 == ~a2040628137~0; {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,072 INFO L281 TraceCheckUtils]: 10: Hoare triple {10544#(<= 36 ~a44138666~0)} assume !((32 == ~a837448621~0 && (8 == ~a2040628137~0 && 7 == ~a182175502~0 && 37 < ~a850881173~0 && 184 >= ~a850881173~0) && 5 == ~a835102539~0) && (17 < ~a1210734340~0 && 187 >= ~a1210734340~0) && 1 == ~cf~0 && 383 < ~a552913881~0 && 501 >= ~a552913881~0); {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,072 INFO L281 TraceCheckUtils]: 11: Hoare triple {10544#(<= 36 ~a44138666~0)} assume ((32 == ~a1171576990~0 && 501 < ~a552913881~0 && 1 == ~cf~0) && 4 == ~a1290652559~0) && 32 == ~a1879373572~0 && ((8 < ~a583510163~0 && 150 >= ~a583510163~0) && 37 < ~a850881173~0 && 184 >= ~a850881173~0) && 8 == ~a2040628137~0;calculate_outputm33_#in~input := calculate_output_~input;havoc calculate_outputm33_~input;calculate_outputm33_~input := calculate_outputm33_#in~input; {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,073 INFO L281 TraceCheckUtils]: 12: Hoare triple {10544#(<= 36 ~a44138666~0)} assume !((5 == ~a835102539~0 && (-144 < ~a412613099~0 && -18 >= ~a412613099~0) && 6 == ~a2061255735~0) && (32 == ~a890181220~0 && (1 == ~cf~0 && 80 < ~a274381288~0 && 206 >= ~a274381288~0) && 8 < ~a583510163~0 && 150 >= ~a583510163~0) && 8 == ~a2040628137~0); {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,073 INFO L281 TraceCheckUtils]: 13: Hoare triple {10544#(<= 36 ~a44138666~0)} assume (32 == ~a1534902259~0 && 32 == ~a1879373572~0 && 28 < ~a268371874~0 && 76 >= ~a268371874~0) && (5 == ~a835102539~0 && 32 == ~a1171576990~0 && 301 < ~a274381288~0 && 1 == ~cf~0) && 32 == ~a890181220~0;calculate_outputm140_#in~input := calculate_outputm33_~input;havoc calculate_outputm140_#t~ite219, calculate_outputm140_~input;calculate_outputm140_~input := calculate_outputm140_#in~input; {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,074 INFO L281 TraceCheckUtils]: 14: Hoare triple {10544#(<= 36 ~a44138666~0)} assume (32 == ~a2064844468~0 && (6 == calculate_outputm140_~input && 1 == ~cf~0) && 32 == ~a1534902259~0) && (((-146 < ~a1001390225~0 && 51 >= ~a1001390225~0) && 32 == ~a837448621~0) && 32 == ~a1171576990~0) && 6 == ~a2061255735~0;~cf~0 := 0;~a2040628137~0 := -29 + ~a2061255735~0 * ~a2061255735~0;~a471011792~0 := (if ~a665096794~0 < 0 && 0 != ~a665096794~0 % ~a1290652559~0 then (if ~a1290652559~0 < 0 then ~a665096794~0 / ~a1290652559~0 - 1 else 1 + ~a665096794~0 / ~a1290652559~0) else ~a665096794~0 / ~a1290652559~0) - -6;~a1171576990~0 := 33;~a850881173~0 := -15316 + (-28988 + (if ~a268371874~0 * ~a274381288~0 < 0 && 0 != ~a268371874~0 * ~a274381288~0 % 14999 then ~a268371874~0 * ~a274381288~0 % 14999 - 14999 else ~a268371874~0 * ~a274381288~0 % 14999) - 7 - -27353);~a890181220~0 := 33;~a665096794~0 := 3 + ~a2040628137~0;~a71064409~0 := 24 + (if -6829 + 2 * (11419 + ~a583510163~0 * ~a412613099~0) < 0 && 0 != (-6829 + 2 * (11419 + ~a583510163~0 * ~a412613099~0)) % 101 then (-6829 + 2 * (11419 + ~a583510163~0 * ~a412613099~0)) % 101 - 101 else (-6829 + 2 * (11419 + ~a583510163~0 * ~a412613099~0)) % 101);~a1290652559~0 := (if ~a2040628137~0 < 0 && 0 != ~a2040628137~0 % ~a471011792~0 then (if ~a471011792~0 < 0 then ~a2040628137~0 / ~a471011792~0 - 1 else 1 + ~a2040628137~0 / ~a471011792~0) else ~a2040628137~0 / ~a471011792~0) - -3;~a1179664392~0 := 34;~a1210734340~0 := -8 + (4462 + (if ~a850881173~0 * ~a552913881~0 < 0 && 0 != ~a850881173~0 * ~a552913881~0 % 14999 then ~a850881173~0 * ~a552913881~0 % 14999 - 14999 else ~a850881173~0 * ~a552913881~0 % 14999) - 19446);~a1534902259~0 := 33;~a412613099~0 := (if 10 * (if (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) < 0 && 0 != (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) % 5 then 1 + (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5 else (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5) < 0 && 0 != 10 * (if (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) < 0 && 0 != (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) % 5 then 1 + (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5 else (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5) % 2 then 1 + 10 * (if (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) < 0 && 0 != (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) % 5 then 1 + (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5 else (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5) / 2 else 10 * (if (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) < 0 && 0 != (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) % 5 then 1 + (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5 else (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5) / 2);~a182175502~0 := ~a471011792~0 - 2;~a835102539~0 := ~a665096794~0 - ~a1290652559~0 - 3;~a837448621~0 := 33;~a1879373572~0 := 33;~a2061255735~0 := ~a2040628137~0 - 2;~a2064844468~0 := 33;~a1001390225~0 := -16673 + ~a1001390225~0 * ~a268371874~0;~a268371874~0 := (if (if ~a268371874~0 * ~a1001390225~0 < 0 && 0 != ~a268371874~0 * ~a1001390225~0 % 14999 then ~a268371874~0 * ~a1001390225~0 % 14999 - 14999 else ~a268371874~0 * ~a1001390225~0 % 14999) - -16052 - 19425 < 0 && 0 != ((if ~a268371874~0 * ~a1001390225~0 < 0 && 0 != ~a268371874~0 * ~a1001390225~0 % 14999 then ~a268371874~0 * ~a1001390225~0 % 14999 - 14999 else ~a268371874~0 * ~a1001390225~0 % 14999) - -16052 - 19425) % 5 then 1 + ((if ~a268371874~0 * ~a1001390225~0 < 0 && 0 != ~a268371874~0 * ~a1001390225~0 % 14999 then ~a268371874~0 * ~a1001390225~0 % 14999 - 14999 else ~a268371874~0 * ~a1001390225~0 % 14999) - -16052 - 19425) / 5 else ((if ~a268371874~0 * ~a1001390225~0 < 0 && 0 != ~a268371874~0 * ~a1001390225~0 % 14999 then ~a268371874~0 * ~a1001390225~0 % 14999 - 14999 else ~a268371874~0 * ~a1001390225~0 % 14999) - -16052 - 19425) / 5); {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,074 INFO L281 TraceCheckUtils]: 15: Hoare triple {10544#(<= 36 ~a44138666~0)} assume !((((1 == ~cf~0 && 8 == calculate_outputm140_~input) && 8 == ~a2040628137~0) && 32 == ~a1171576990~0) && 6 == ~a2061255735~0 && (32 == ~a2064844468~0 && -146 < ~a1001390225~0 && 51 >= ~a1001390225~0) && 8 < ~a583510163~0 && 150 >= ~a583510163~0); {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,079 INFO L281 TraceCheckUtils]: 16: Hoare triple {10544#(<= 36 ~a44138666~0)} assume !((((1 == ~cf~0 && 11 == ~a471011792~0) && 28 < ~a268371874~0 && 76 >= ~a268371874~0) && 32 == ~a1171576990~0) && 32 == ~a1534902259~0 && ((17 < ~a1210734340~0 && 187 >= ~a1210734340~0) && 32 == ~a2064844468~0) && 7 == ~a182175502~0); {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,079 INFO L281 TraceCheckUtils]: 17: Hoare triple {10544#(<= 36 ~a44138666~0)} assume !(((8 < ~a583510163~0 && 150 >= ~a583510163~0) && 32 == ~a1534902259~0) && ((32 == ~a890181220~0 && (1 == ~cf~0 && 12 == ~a471011792~0) && 28 < ~a268371874~0 && 76 >= ~a268371874~0) && 4 == ~a1290652559~0) && 32 == ~a1879373572~0); {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,079 INFO L281 TraceCheckUtils]: 18: Hoare triple {10544#(<= 36 ~a44138666~0)} assume !((33 == ~a824024208~0 && 330 < ~a621522874~0 && 523 >= ~a621522874~0) && 11 == ~a471011792~0); {10544#(<= 36 ~a44138666~0)} is VALID [2021-09-13 13:08:54,080 INFO L281 TraceCheckUtils]: 19: Hoare triple {10544#(<= 36 ~a44138666~0)} assume (34 == ~a1944090451~0 && 32 == ~a44138666~0) && 5 == ~a471011792~0;~cf~0 := 0; {10540#false} is VALID [2021-09-13 13:08:54,080 INFO L281 TraceCheckUtils]: 20: Hoare triple {10540#false} assume !false; {10540#false} is VALID [2021-09-13 13:08:54,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 13:08:54,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-09-13 13:08:54,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-13 13:08:54,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295863909] [2021-09-13 13:08:54,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-09-13 13:08:54,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911226502] [2021-09-13 13:08:54,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911226502] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-13 13:08:54,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-13 13:08:54,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-09-13 13:08:54,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387257797] [2021-09-13 13:08:54,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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 21 [2021-09-13 13:08:54,081 INFO L84 Accepts]: Finished accepts. word is accepted. [2021-09-13 13:08:54,082 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-09-13 13:08:54,111 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:08:54,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-09-13 13:08:54,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-13 13:08:54,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-09-13 13:08:54,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-13 13:08:54,113 INFO L87 Difference]: Start difference. First operand 1152 states and 1558 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-09-13 13:08:56,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:08:58,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:09:00,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:09:10,151 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:09:13,380 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:09:16,068 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:09:31,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:09:33,194 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:09:36,427 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:09:47,616 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:09:55,857 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:09:57,880 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:09:59,896 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:01,911 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:04,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:10,726 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:16,380 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:18,394 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:20,728 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:22,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:26,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:28,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:33,902 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:38,817 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:42,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:44,783 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:46,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:48,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:49,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:10:49,009 INFO L93 Difference]: Finished difference Result 2168 states and 2959 transitions. [2021-09-13 13:10:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-09-13 13:10:49,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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 21 [2021-09-13 13:10:49,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-13 13:10:49,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-09-13 13:10:49,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1588 transitions. [2021-09-13 13:10:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-09-13 13:10:49,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1588 transitions. [2021-09-13 13:10:49,046 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1588 transitions. [2021-09-13 13:10:50,269 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1588 edges. 1588 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:10:50,404 INFO L225 Difference]: With dead ends: 2168 [2021-09-13 13:10:50,404 INFO L226 Difference]: Without dead ends: 2150 [2021-09-13 13:10:50,405 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.89ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-13 13:10:50,405 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 743 mSDsluCounter, 1597 mSDsCounter, 0 mSdLazyCounter, 1615 mSolverCounterSat, 11 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69199.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.25ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1615 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69394.50ms IncrementalHoareTripleChecker+Time [2021-09-13 13:10:50,406 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [743 Valid, 0 Invalid, 1647 Unknown, 0 Unchecked, 5.25ms Time], IncrementalHoareTripleChecker [11 Valid, 1615 Invalid, 21 Unknown, 0 Unchecked, 69394.50ms Time] [2021-09-13 13:10:50,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2021-09-13 13:10:50,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 1954. [2021-09-13 13:10:50,450 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2021-09-13 13:10:50,454 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2150 states. Second operand has 1954 states, 1854 states have (on average 1.5237324703344122) internal successors, (2825), 1953 states have internal predecessors, (2825), 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) [2021-09-13 13:10:50,458 INFO L74 IsIncluded]: Start isIncluded. First operand 2150 states. Second operand has 1954 states, 1854 states have (on average 1.5237324703344122) internal successors, (2825), 1953 states have internal predecessors, (2825), 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) [2021-09-13 13:10:50,461 INFO L87 Difference]: Start difference. First operand 2150 states. Second operand has 1954 states, 1854 states have (on average 1.5237324703344122) internal successors, (2825), 1953 states have internal predecessors, (2825), 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) [2021-09-13 13:10:50,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:10:50,659 INFO L93 Difference]: Finished difference Result 2150 states and 2932 transitions. [2021-09-13 13:10:50,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 2932 transitions. [2021-09-13 13:10:50,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 13:10:50,663 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 13:10:50,667 INFO L74 IsIncluded]: Start isIncluded. First operand has 1954 states, 1854 states have (on average 1.5237324703344122) internal successors, (2825), 1953 states have internal predecessors, (2825), 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 2150 states. [2021-09-13 13:10:50,670 INFO L87 Difference]: Start difference. First operand has 1954 states, 1854 states have (on average 1.5237324703344122) internal successors, (2825), 1953 states have internal predecessors, (2825), 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 2150 states. [2021-09-13 13:10:50,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:10:50,865 INFO L93 Difference]: Finished difference Result 2150 states and 2932 transitions. [2021-09-13 13:10:50,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 2932 transitions. [2021-09-13 13:10:50,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 13:10:50,869 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 13:10:50,869 INFO L88 GeneralOperation]: Finished isEquivalent. [2021-09-13 13:10:50,869 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2021-09-13 13:10:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1954 states, 1854 states have (on average 1.5237324703344122) internal successors, (2825), 1953 states have internal predecessors, (2825), 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) [2021-09-13 13:10:51,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2825 transitions. [2021-09-13 13:10:51,044 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2825 transitions. Word has length 21 [2021-09-13 13:10:51,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-13 13:10:51,045 INFO L470 AbstractCegarLoop]: Abstraction has 1954 states and 2825 transitions. [2021-09-13 13:10:51,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-09-13 13:10:51,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2825 transitions. [2021-09-13 13:10:51,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-09-13 13:10:51,046 INFO L505 BasicCegarLoop]: Found error trace [2021-09-13 13:10:51,046 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-13 13:10:51,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-09-13 13:10:51,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-09-13 13:10:51,273 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-09-13 13:10:51,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-13 13:10:51,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1777065635, now seen corresponding path program 1 times [2021-09-13 13:10:51,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-13 13:10:51,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923567529] [2021-09-13 13:10:51,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 13:10:51,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-13 13:10:51,311 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-09-13 13:10:51,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [511719679] [2021-09-13 13:10:51,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 13:10:51,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-09-13 13:10:51,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-09-13 13:10:51,312 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) [2021-09-13 13:10:51,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-09-13 13:10:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:10:51,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 2 conjunts are in the unsatisfiable core [2021-09-13 13:10:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:10:51,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-09-13 13:10:51,567 INFO L281 TraceCheckUtils]: 0: Hoare triple {19036#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12);~inputs~0 := ~inputs~0[0 := 7];~inputs~0 := ~inputs~0[1 := 10];~inputs~0 := ~inputs~0[2 := 6];~inputs~0 := ~inputs~0[3 := 2];~inputs~0 := ~inputs~0[4 := 5];~inputs~0 := ~inputs~0[5 := 3];~inputs~0 := ~inputs~0[6 := 9];~inputs~0 := ~inputs~0[7 := 4];~inputs~0 := ~inputs~0[8 := 8];~inputs~0 := ~inputs~0[9 := 1];~a589117628~0 := 34;~a1290652559~0 := 4;~a236788248~0 := 16;~a1580522136~0 := 161;~a45685611~0 := 11;~a1889803145~0 := 118;~a910748832~0 := 36;~a471011792~0 := 10;~a946891643~0 := 5;~a665096794~0 := 11;~a850881173~0 := 141;~a2040628137~0 := 8;~a583510163~0 := 77;~a1859402009~0 := 14;~a268371874~0 := 51;~a837448621~0 := 32;~a824024208~0 := 32;~a1171576990~0 := 32;~a1422023390~0 := -4;~a1605463015~0 := 9;~a812175843~0 := 36;~a890181220~0 := 32;~a808219163~0 := 35;~a1210734340~0 := 58;~a1864015649~0 := 33;~a1944090451~0 := 34;~a412613099~0 := -28;~a2139179119~0 := 15;~cf~0 := 1;~a648283191~0 := -108;~a71064409~0 := -168;~a499699109~0 := 3;~a1001390225~0 := -24;~a274381288~0 := 312;~a1218264876~0 := 32;~a1535937505~0 := 32;~a1879373572~0 := 32;~a2064844468~0 := 32;~a182175502~0 := 7;~a482477713~0 := 8;~a44138666~0 := 36;~a418218587~0 := 36;~a621522874~0 := 131;~a2083223046~0 := 35;~a1179664392~0 := 33;~a166920931~0 := 8;~a1684594625~0 := 108;~a1534902259~0 := 32;~a430318312~0 := 3;~a1821141922~0 := 35;~a835102539~0 := 5;~a2079503415~0 := 13;~a1071924404~0 := 34;~a2061255735~0 := 6;~a2122722213~0 := 2;~a552913881~0 := 520;~a173429297~0 := -35;~a763506461~0 := 0;~a635353122~0 := 1;~a1075927325~0 := 0;~a434613686~0 := 0;~a95561532~0 := 0;~a1487195600~0 := 1;~a275262794~0 := 0;~a273635060~0 := 1;~a1221017635~0 := 0;~a311962986~0 := 0;~a2084484762~0 := 0;~a460288454~0 := 0;~a418880267~0 := 1;~a1264277206~0 := 1;~a1355501303~0 := 1;~a547738254~0 := 0;~a1515611838~0 := 0;~a514396383~0 := 2;~a1955344686~0 := 0;~a220097023~0 := 1;~a1053339053~0 := 2;~a501521675~0 := 3;~a487646776~0 := 2;~a1716545843~0 := 0;~a51415461~0 := 3;~a1425431969~0 := 2;~a416125995~0 := 3;~a1498331231~0 := 1;~a1148381820~0 := 2;~a838736370~0 := 2;~a834109496~0 := 3;~a1859169403~0 := 0;~a1743588795~0 := 1;~a112204540~0 := 3;~a1347184625~0 := 1; {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,567 INFO L281 TraceCheckUtils]: 1: Hoare triple {19041#(<= 36 ~a910748832~0)} havoc main_#res;havoc main_#t~nondet269, main_~input~0; {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,568 INFO L281 TraceCheckUtils]: 2: Hoare triple {19041#(<= 36 ~a910748832~0)} assume !false;havoc main_~input~0;assume -2147483648 <= main_#t~nondet269 && main_#t~nondet269 <= 2147483647;main_~input~0 := main_#t~nondet269;havoc main_#t~nondet269; {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,568 INFO L281 TraceCheckUtils]: 3: Hoare triple {19041#(<= 36 ~a910748832~0)} assume !(((((((((7 != main_~input~0 && 10 != main_~input~0) && 6 != main_~input~0) && 2 != main_~input~0) && 5 != main_~input~0) && 3 != main_~input~0) && 9 != main_~input~0) && 4 != main_~input~0) && 8 != main_~input~0) && 1 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input;~cf~0 := 1; {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,568 INFO L281 TraceCheckUtils]: 4: Hoare triple {19041#(<= 36 ~a910748832~0)} assume !(~a850881173~0 <= 37 && (((~a1210734340~0 <= 17 && (1 == ~cf~0 && 5 == ~a471011792~0) && ~a1001390225~0 <= -146) && 33 == ~a1879373572~0) && 10 == ~a665096794~0) && 33 == ~a837448621~0); {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,569 INFO L281 TraceCheckUtils]: 5: Hoare triple {19041#(<= 36 ~a910748832~0)} assume !(((28 < ~a268371874~0 && 76 >= ~a268371874~0) && 6 == ~a2061255735~0 && ((7 == ~a182175502~0 && 32 == ~a837448621~0) && 32 == ~a1879373572~0) && 32 == ~a1171576990~0) && 6 == ~a471011792~0 && 1 == ~cf~0); {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,569 INFO L281 TraceCheckUtils]: 6: Hoare triple {19041#(<= 36 ~a910748832~0)} assume !(((7 == ~a2061255735~0 && (7 == ~a471011792~0 && 1 == ~cf~0) && 5 == ~a1290652559~0) && 12 == ~a665096794~0) && (9 == ~a2040628137~0 && 34 == ~a1879373572~0) && 51 < ~a1001390225~0 && 148 >= ~a1001390225~0); {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,569 INFO L281 TraceCheckUtils]: 7: Hoare triple {19041#(<= 36 ~a910748832~0)} assume !((~a412613099~0 <= -144 && 3 == ~a1290652559~0 && 6 == ~a182175502~0) && (33 == ~a1534902259~0 && 5 == ~a2061255735~0 && 1 == ~cf~0 && 8 == ~a471011792~0) && 33 == ~a2064844468~0); {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,570 INFO L281 TraceCheckUtils]: 8: Hoare triple {19041#(<= 36 ~a910748832~0)} assume !(((33 == ~a1534902259~0 && 33 == ~a1171576990~0 && 33 == ~a890181220~0) && 10 == ~a665096794~0) && 5 == ~a2061255735~0 && (9 == ~a471011792~0 && 1 == ~cf~0) && ~a268371874~0 <= 28); {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,570 INFO L281 TraceCheckUtils]: 9: Hoare triple {19041#(<= 36 ~a910748832~0)} assume (4 == ~a1290652559~0 && 32 == ~a1171576990~0 && 37 < ~a850881173~0 && 184 >= ~a850881173~0) && (32 == ~a2064844468~0 && (8 < ~a583510163~0 && 150 >= ~a583510163~0) && 10 == ~a471011792~0 && 1 == ~cf~0) && 8 == ~a2040628137~0; {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,570 INFO L281 TraceCheckUtils]: 10: Hoare triple {19041#(<= 36 ~a910748832~0)} assume !((32 == ~a837448621~0 && (8 == ~a2040628137~0 && 7 == ~a182175502~0 && 37 < ~a850881173~0 && 184 >= ~a850881173~0) && 5 == ~a835102539~0) && (17 < ~a1210734340~0 && 187 >= ~a1210734340~0) && 1 == ~cf~0 && 383 < ~a552913881~0 && 501 >= ~a552913881~0); {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,571 INFO L281 TraceCheckUtils]: 11: Hoare triple {19041#(<= 36 ~a910748832~0)} assume ((32 == ~a1171576990~0 && 501 < ~a552913881~0 && 1 == ~cf~0) && 4 == ~a1290652559~0) && 32 == ~a1879373572~0 && ((8 < ~a583510163~0 && 150 >= ~a583510163~0) && 37 < ~a850881173~0 && 184 >= ~a850881173~0) && 8 == ~a2040628137~0;calculate_outputm33_#in~input := calculate_output_~input;havoc calculate_outputm33_~input;calculate_outputm33_~input := calculate_outputm33_#in~input; {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,571 INFO L281 TraceCheckUtils]: 12: Hoare triple {19041#(<= 36 ~a910748832~0)} assume !((5 == ~a835102539~0 && (-144 < ~a412613099~0 && -18 >= ~a412613099~0) && 6 == ~a2061255735~0) && (32 == ~a890181220~0 && (1 == ~cf~0 && 80 < ~a274381288~0 && 206 >= ~a274381288~0) && 8 < ~a583510163~0 && 150 >= ~a583510163~0) && 8 == ~a2040628137~0); {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,571 INFO L281 TraceCheckUtils]: 13: Hoare triple {19041#(<= 36 ~a910748832~0)} assume (32 == ~a1534902259~0 && 32 == ~a1879373572~0 && 28 < ~a268371874~0 && 76 >= ~a268371874~0) && (5 == ~a835102539~0 && 32 == ~a1171576990~0 && 301 < ~a274381288~0 && 1 == ~cf~0) && 32 == ~a890181220~0;calculate_outputm140_#in~input := calculate_outputm33_~input;havoc calculate_outputm140_#t~ite219, calculate_outputm140_~input;calculate_outputm140_~input := calculate_outputm140_#in~input; {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,572 INFO L281 TraceCheckUtils]: 14: Hoare triple {19041#(<= 36 ~a910748832~0)} assume (32 == ~a2064844468~0 && (6 == calculate_outputm140_~input && 1 == ~cf~0) && 32 == ~a1534902259~0) && (((-146 < ~a1001390225~0 && 51 >= ~a1001390225~0) && 32 == ~a837448621~0) && 32 == ~a1171576990~0) && 6 == ~a2061255735~0;~cf~0 := 0;~a2040628137~0 := -29 + ~a2061255735~0 * ~a2061255735~0;~a471011792~0 := (if ~a665096794~0 < 0 && 0 != ~a665096794~0 % ~a1290652559~0 then (if ~a1290652559~0 < 0 then ~a665096794~0 / ~a1290652559~0 - 1 else 1 + ~a665096794~0 / ~a1290652559~0) else ~a665096794~0 / ~a1290652559~0) - -6;~a1171576990~0 := 33;~a850881173~0 := -15316 + (-28988 + (if ~a268371874~0 * ~a274381288~0 < 0 && 0 != ~a268371874~0 * ~a274381288~0 % 14999 then ~a268371874~0 * ~a274381288~0 % 14999 - 14999 else ~a268371874~0 * ~a274381288~0 % 14999) - 7 - -27353);~a890181220~0 := 33;~a665096794~0 := 3 + ~a2040628137~0;~a71064409~0 := 24 + (if -6829 + 2 * (11419 + ~a583510163~0 * ~a412613099~0) < 0 && 0 != (-6829 + 2 * (11419 + ~a583510163~0 * ~a412613099~0)) % 101 then (-6829 + 2 * (11419 + ~a583510163~0 * ~a412613099~0)) % 101 - 101 else (-6829 + 2 * (11419 + ~a583510163~0 * ~a412613099~0)) % 101);~a1290652559~0 := (if ~a2040628137~0 < 0 && 0 != ~a2040628137~0 % ~a471011792~0 then (if ~a471011792~0 < 0 then ~a2040628137~0 / ~a471011792~0 - 1 else 1 + ~a2040628137~0 / ~a471011792~0) else ~a2040628137~0 / ~a471011792~0) - -3;~a1179664392~0 := 34;~a1210734340~0 := -8 + (4462 + (if ~a850881173~0 * ~a552913881~0 < 0 && 0 != ~a850881173~0 * ~a552913881~0 % 14999 then ~a850881173~0 * ~a552913881~0 % 14999 - 14999 else ~a850881173~0 * ~a552913881~0 % 14999) - 19446);~a1534902259~0 := 33;~a412613099~0 := (if 10 * (if (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) < 0 && 0 != (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) % 5 then 1 + (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5 else (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5) < 0 && 0 != 10 * (if (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) < 0 && 0 != (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) % 5 then 1 + (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5 else (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5) % 2 then 1 + 10 * (if (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) < 0 && 0 != (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) % 5 then 1 + (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5 else (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5) / 2 else 10 * (if (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) < 0 && 0 != (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) % 5 then 1 + (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5 else (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5) / 2);~a182175502~0 := ~a471011792~0 - 2;~a835102539~0 := ~a665096794~0 - ~a1290652559~0 - 3;~a837448621~0 := 33;~a1879373572~0 := 33;~a2061255735~0 := ~a2040628137~0 - 2;~a2064844468~0 := 33;~a1001390225~0 := -16673 + ~a1001390225~0 * ~a268371874~0;~a268371874~0 := (if (if ~a268371874~0 * ~a1001390225~0 < 0 && 0 != ~a268371874~0 * ~a1001390225~0 % 14999 then ~a268371874~0 * ~a1001390225~0 % 14999 - 14999 else ~a268371874~0 * ~a1001390225~0 % 14999) - -16052 - 19425 < 0 && 0 != ((if ~a268371874~0 * ~a1001390225~0 < 0 && 0 != ~a268371874~0 * ~a1001390225~0 % 14999 then ~a268371874~0 * ~a1001390225~0 % 14999 - 14999 else ~a268371874~0 * ~a1001390225~0 % 14999) - -16052 - 19425) % 5 then 1 + ((if ~a268371874~0 * ~a1001390225~0 < 0 && 0 != ~a268371874~0 * ~a1001390225~0 % 14999 then ~a268371874~0 * ~a1001390225~0 % 14999 - 14999 else ~a268371874~0 * ~a1001390225~0 % 14999) - -16052 - 19425) / 5 else ((if ~a268371874~0 * ~a1001390225~0 < 0 && 0 != ~a268371874~0 * ~a1001390225~0 % 14999 then ~a268371874~0 * ~a1001390225~0 % 14999 - 14999 else ~a268371874~0 * ~a1001390225~0 % 14999) - -16052 - 19425) / 5); {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,572 INFO L281 TraceCheckUtils]: 15: Hoare triple {19041#(<= 36 ~a910748832~0)} assume !((((1 == ~cf~0 && 8 == calculate_outputm140_~input) && 8 == ~a2040628137~0) && 32 == ~a1171576990~0) && 6 == ~a2061255735~0 && (32 == ~a2064844468~0 && -146 < ~a1001390225~0 && 51 >= ~a1001390225~0) && 8 < ~a583510163~0 && 150 >= ~a583510163~0); {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,572 INFO L281 TraceCheckUtils]: 16: Hoare triple {19041#(<= 36 ~a910748832~0)} assume !((((1 == ~cf~0 && 11 == ~a471011792~0) && 28 < ~a268371874~0 && 76 >= ~a268371874~0) && 32 == ~a1171576990~0) && 32 == ~a1534902259~0 && ((17 < ~a1210734340~0 && 187 >= ~a1210734340~0) && 32 == ~a2064844468~0) && 7 == ~a182175502~0); {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,573 INFO L281 TraceCheckUtils]: 17: Hoare triple {19041#(<= 36 ~a910748832~0)} assume !(((8 < ~a583510163~0 && 150 >= ~a583510163~0) && 32 == ~a1534902259~0) && ((32 == ~a890181220~0 && (1 == ~cf~0 && 12 == ~a471011792~0) && 28 < ~a268371874~0 && 76 >= ~a268371874~0) && 4 == ~a1290652559~0) && 32 == ~a1879373572~0); {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,573 INFO L281 TraceCheckUtils]: 18: Hoare triple {19041#(<= 36 ~a910748832~0)} assume !((33 == ~a824024208~0 && 330 < ~a621522874~0 && 523 >= ~a621522874~0) && 11 == ~a471011792~0); {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,573 INFO L281 TraceCheckUtils]: 19: Hoare triple {19041#(<= 36 ~a910748832~0)} assume !((34 == ~a1944090451~0 && 32 == ~a44138666~0) && 5 == ~a471011792~0); {19041#(<= 36 ~a910748832~0)} is VALID [2021-09-13 13:10:51,574 INFO L281 TraceCheckUtils]: 20: Hoare triple {19041#(<= 36 ~a910748832~0)} assume (32 == ~a910748832~0 && 17 == ~a236788248~0) && 9 == ~a471011792~0;~cf~0 := 0; {19037#false} is VALID [2021-09-13 13:10:51,574 INFO L281 TraceCheckUtils]: 21: Hoare triple {19037#false} assume !false; {19037#false} is VALID [2021-09-13 13:10:51,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 13:10:51,574 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-09-13 13:10:51,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-13 13:10:51,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923567529] [2021-09-13 13:10:51,574 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-09-13 13:10:51,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511719679] [2021-09-13 13:10:51,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511719679] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-13 13:10:51,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-13 13:10:51,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-09-13 13:10:51,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478080370] [2021-09-13 13:10:51,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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) Word has length 22 [2021-09-13 13:10:51,575 INFO L84 Accepts]: Finished accepts. word is accepted. [2021-09-13 13:10:51,575 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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) [2021-09-13 13:10:51,595 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:10:51,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-09-13 13:10:51,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-13 13:10:51,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-09-13 13:10:51,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-13 13:10:51,596 INFO L87 Difference]: Start difference. First operand 1954 states and 2825 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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) [2021-09-13 13:10:56,327 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:10:59,785 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:03,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:11,258 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:13,281 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:15,300 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:17,375 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:19,389 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:22,850 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:25,424 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:27,572 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:31,779 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:33,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:37,869 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:42,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:49,223 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:51,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:53,956 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:55,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:11:58,151 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:00,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:02,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:04,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:08,855 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:10,544 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:12,821 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:14,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:20,295 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:22,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:24,816 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:26,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:32,110 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:35,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:12:35,245 INFO L93 Difference]: Finished difference Result 3763 states and 5471 transitions. [2021-09-13 13:12:35,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-09-13 13:12:35,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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) Word has length 22 [2021-09-13 13:12:35,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-13 13:12:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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) [2021-09-13 13:12:35,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1592 transitions. [2021-09-13 13:12:35,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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) [2021-09-13 13:12:35,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1592 transitions. [2021-09-13 13:12:35,256 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1592 transitions. [2021-09-13 13:12:36,444 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1592 edges. 1592 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:12:36,876 INFO L225 Difference]: With dead ends: 3763 [2021-09-13 13:12:36,876 INFO L226 Difference]: Without dead ends: 3759 [2021-09-13 13:12:36,877 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.75ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-13 13:12:36,877 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 757 mSDsluCounter, 1614 mSDsCounter, 0 mSdLazyCounter, 1603 mSolverCounterSat, 6 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69229.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.33ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1603 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69451.17ms IncrementalHoareTripleChecker+Time [2021-09-13 13:12:36,878 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [757 Valid, 0 Invalid, 1631 Unknown, 0 Unchecked, 4.33ms Time], IncrementalHoareTripleChecker [6 Valid, 1603 Invalid, 22 Unknown, 0 Unchecked, 69451.17ms Time] [2021-09-13 13:12:36,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3759 states. [2021-09-13 13:12:36,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3759 to 3477. [2021-09-13 13:12:36,941 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2021-09-13 13:12:36,948 INFO L82 GeneralOperation]: Start isEquivalent. First operand 3759 states. Second operand has 3477 states, 3377 states have (on average 1.562629552857566) internal successors, (5277), 3476 states have internal predecessors, (5277), 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) [2021-09-13 13:12:36,954 INFO L74 IsIncluded]: Start isIncluded. First operand 3759 states. Second operand has 3477 states, 3377 states have (on average 1.562629552857566) internal successors, (5277), 3476 states have internal predecessors, (5277), 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) [2021-09-13 13:12:36,961 INFO L87 Difference]: Start difference. First operand 3759 states. Second operand has 3477 states, 3377 states have (on average 1.562629552857566) internal successors, (5277), 3476 states have internal predecessors, (5277), 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) [2021-09-13 13:12:37,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:12:37,449 INFO L93 Difference]: Finished difference Result 3759 states and 5461 transitions. [2021-09-13 13:12:37,450 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 5461 transitions. [2021-09-13 13:12:37,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 13:12:37,456 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 13:12:37,462 INFO L74 IsIncluded]: Start isIncluded. First operand has 3477 states, 3377 states have (on average 1.562629552857566) internal successors, (5277), 3476 states have internal predecessors, (5277), 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 3759 states. [2021-09-13 13:12:37,467 INFO L87 Difference]: Start difference. First operand has 3477 states, 3377 states have (on average 1.562629552857566) internal successors, (5277), 3476 states have internal predecessors, (5277), 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 3759 states. [2021-09-13 13:12:37,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:12:37,869 INFO L93 Difference]: Finished difference Result 3759 states and 5461 transitions. [2021-09-13 13:12:37,870 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 5461 transitions. [2021-09-13 13:12:37,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 13:12:37,875 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 13:12:37,875 INFO L88 GeneralOperation]: Finished isEquivalent. [2021-09-13 13:12:37,876 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2021-09-13 13:12:37,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3477 states, 3377 states have (on average 1.562629552857566) internal successors, (5277), 3476 states have internal predecessors, (5277), 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) [2021-09-13 13:12:38,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 5277 transitions. [2021-09-13 13:12:38,334 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 5277 transitions. Word has length 22 [2021-09-13 13:12:38,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-13 13:12:38,335 INFO L470 AbstractCegarLoop]: Abstraction has 3477 states and 5277 transitions. [2021-09-13 13:12:38,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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) [2021-09-13 13:12:38,335 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 5277 transitions. [2021-09-13 13:12:38,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-09-13 13:12:38,336 INFO L505 BasicCegarLoop]: Found error trace [2021-09-13 13:12:38,336 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-13 13:12:38,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-09-13 13:12:38,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-09-13 13:12:38,547 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-09-13 13:12:38,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-13 13:12:38,547 INFO L82 PathProgramCache]: Analyzing trace with hash 279180564, now seen corresponding path program 1 times [2021-09-13 13:12:38,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-13 13:12:38,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975689172] [2021-09-13 13:12:38,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 13:12:38,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-13 13:12:38,580 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-09-13 13:12:38,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1087545021] [2021-09-13 13:12:38,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 13:12:38,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-09-13 13:12:38,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-09-13 13:12:38,595 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) [2021-09-13 13:12:38,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-09-13 13:12:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:12:38,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 2 conjunts are in the unsatisfiable core [2021-09-13 13:12:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:12:38,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-09-13 13:12:38,856 INFO L281 TraceCheckUtils]: 0: Hoare triple {33880#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12);~inputs~0 := ~inputs~0[0 := 7];~inputs~0 := ~inputs~0[1 := 10];~inputs~0 := ~inputs~0[2 := 6];~inputs~0 := ~inputs~0[3 := 2];~inputs~0 := ~inputs~0[4 := 5];~inputs~0 := ~inputs~0[5 := 3];~inputs~0 := ~inputs~0[6 := 9];~inputs~0 := ~inputs~0[7 := 4];~inputs~0 := ~inputs~0[8 := 8];~inputs~0 := ~inputs~0[9 := 1];~a589117628~0 := 34;~a1290652559~0 := 4;~a236788248~0 := 16;~a1580522136~0 := 161;~a45685611~0 := 11;~a1889803145~0 := 118;~a910748832~0 := 36;~a471011792~0 := 10;~a946891643~0 := 5;~a665096794~0 := 11;~a850881173~0 := 141;~a2040628137~0 := 8;~a583510163~0 := 77;~a1859402009~0 := 14;~a268371874~0 := 51;~a837448621~0 := 32;~a824024208~0 := 32;~a1171576990~0 := 32;~a1422023390~0 := -4;~a1605463015~0 := 9;~a812175843~0 := 36;~a890181220~0 := 32;~a808219163~0 := 35;~a1210734340~0 := 58;~a1864015649~0 := 33;~a1944090451~0 := 34;~a412613099~0 := -28;~a2139179119~0 := 15;~cf~0 := 1;~a648283191~0 := -108;~a71064409~0 := -168;~a499699109~0 := 3;~a1001390225~0 := -24;~a274381288~0 := 312;~a1218264876~0 := 32;~a1535937505~0 := 32;~a1879373572~0 := 32;~a2064844468~0 := 32;~a182175502~0 := 7;~a482477713~0 := 8;~a44138666~0 := 36;~a418218587~0 := 36;~a621522874~0 := 131;~a2083223046~0 := 35;~a1179664392~0 := 33;~a166920931~0 := 8;~a1684594625~0 := 108;~a1534902259~0 := 32;~a430318312~0 := 3;~a1821141922~0 := 35;~a835102539~0 := 5;~a2079503415~0 := 13;~a1071924404~0 := 34;~a2061255735~0 := 6;~a2122722213~0 := 2;~a552913881~0 := 520;~a173429297~0 := -35;~a763506461~0 := 0;~a635353122~0 := 1;~a1075927325~0 := 0;~a434613686~0 := 0;~a95561532~0 := 0;~a1487195600~0 := 1;~a275262794~0 := 0;~a273635060~0 := 1;~a1221017635~0 := 0;~a311962986~0 := 0;~a2084484762~0 := 0;~a460288454~0 := 0;~a418880267~0 := 1;~a1264277206~0 := 1;~a1355501303~0 := 1;~a547738254~0 := 0;~a1515611838~0 := 0;~a514396383~0 := 2;~a1955344686~0 := 0;~a220097023~0 := 1;~a1053339053~0 := 2;~a501521675~0 := 3;~a487646776~0 := 2;~a1716545843~0 := 0;~a51415461~0 := 3;~a1425431969~0 := 2;~a416125995~0 := 3;~a1498331231~0 := 1;~a1148381820~0 := 2;~a838736370~0 := 2;~a834109496~0 := 3;~a1859169403~0 := 0;~a1743588795~0 := 1;~a112204540~0 := 3;~a1347184625~0 := 1; {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,857 INFO L281 TraceCheckUtils]: 1: Hoare triple {33885#(<= ~a824024208~0 32)} havoc main_#res;havoc main_#t~nondet269, main_~input~0; {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,857 INFO L281 TraceCheckUtils]: 2: Hoare triple {33885#(<= ~a824024208~0 32)} assume !false;havoc main_~input~0;assume -2147483648 <= main_#t~nondet269 && main_#t~nondet269 <= 2147483647;main_~input~0 := main_#t~nondet269;havoc main_#t~nondet269; {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,858 INFO L281 TraceCheckUtils]: 3: Hoare triple {33885#(<= ~a824024208~0 32)} assume !(((((((((7 != main_~input~0 && 10 != main_~input~0) && 6 != main_~input~0) && 2 != main_~input~0) && 5 != main_~input~0) && 3 != main_~input~0) && 9 != main_~input~0) && 4 != main_~input~0) && 8 != main_~input~0) && 1 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input;~cf~0 := 1; {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,873 INFO L281 TraceCheckUtils]: 4: Hoare triple {33885#(<= ~a824024208~0 32)} assume !(~a850881173~0 <= 37 && (((~a1210734340~0 <= 17 && (1 == ~cf~0 && 5 == ~a471011792~0) && ~a1001390225~0 <= -146) && 33 == ~a1879373572~0) && 10 == ~a665096794~0) && 33 == ~a837448621~0); {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,874 INFO L281 TraceCheckUtils]: 5: Hoare triple {33885#(<= ~a824024208~0 32)} assume !(((28 < ~a268371874~0 && 76 >= ~a268371874~0) && 6 == ~a2061255735~0 && ((7 == ~a182175502~0 && 32 == ~a837448621~0) && 32 == ~a1879373572~0) && 32 == ~a1171576990~0) && 6 == ~a471011792~0 && 1 == ~cf~0); {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,874 INFO L281 TraceCheckUtils]: 6: Hoare triple {33885#(<= ~a824024208~0 32)} assume !(((7 == ~a2061255735~0 && (7 == ~a471011792~0 && 1 == ~cf~0) && 5 == ~a1290652559~0) && 12 == ~a665096794~0) && (9 == ~a2040628137~0 && 34 == ~a1879373572~0) && 51 < ~a1001390225~0 && 148 >= ~a1001390225~0); {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,874 INFO L281 TraceCheckUtils]: 7: Hoare triple {33885#(<= ~a824024208~0 32)} assume !((~a412613099~0 <= -144 && 3 == ~a1290652559~0 && 6 == ~a182175502~0) && (33 == ~a1534902259~0 && 5 == ~a2061255735~0 && 1 == ~cf~0 && 8 == ~a471011792~0) && 33 == ~a2064844468~0); {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,875 INFO L281 TraceCheckUtils]: 8: Hoare triple {33885#(<= ~a824024208~0 32)} assume !(((33 == ~a1534902259~0 && 33 == ~a1171576990~0 && 33 == ~a890181220~0) && 10 == ~a665096794~0) && 5 == ~a2061255735~0 && (9 == ~a471011792~0 && 1 == ~cf~0) && ~a268371874~0 <= 28); {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,875 INFO L281 TraceCheckUtils]: 9: Hoare triple {33885#(<= ~a824024208~0 32)} assume (4 == ~a1290652559~0 && 32 == ~a1171576990~0 && 37 < ~a850881173~0 && 184 >= ~a850881173~0) && (32 == ~a2064844468~0 && (8 < ~a583510163~0 && 150 >= ~a583510163~0) && 10 == ~a471011792~0 && 1 == ~cf~0) && 8 == ~a2040628137~0; {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,876 INFO L281 TraceCheckUtils]: 10: Hoare triple {33885#(<= ~a824024208~0 32)} assume !((32 == ~a837448621~0 && (8 == ~a2040628137~0 && 7 == ~a182175502~0 && 37 < ~a850881173~0 && 184 >= ~a850881173~0) && 5 == ~a835102539~0) && (17 < ~a1210734340~0 && 187 >= ~a1210734340~0) && 1 == ~cf~0 && 383 < ~a552913881~0 && 501 >= ~a552913881~0); {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,876 INFO L281 TraceCheckUtils]: 11: Hoare triple {33885#(<= ~a824024208~0 32)} assume ((32 == ~a1171576990~0 && 501 < ~a552913881~0 && 1 == ~cf~0) && 4 == ~a1290652559~0) && 32 == ~a1879373572~0 && ((8 < ~a583510163~0 && 150 >= ~a583510163~0) && 37 < ~a850881173~0 && 184 >= ~a850881173~0) && 8 == ~a2040628137~0;calculate_outputm33_#in~input := calculate_output_~input;havoc calculate_outputm33_~input;calculate_outputm33_~input := calculate_outputm33_#in~input; {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,877 INFO L281 TraceCheckUtils]: 12: Hoare triple {33885#(<= ~a824024208~0 32)} assume !((5 == ~a835102539~0 && (-144 < ~a412613099~0 && -18 >= ~a412613099~0) && 6 == ~a2061255735~0) && (32 == ~a890181220~0 && (1 == ~cf~0 && 80 < ~a274381288~0 && 206 >= ~a274381288~0) && 8 < ~a583510163~0 && 150 >= ~a583510163~0) && 8 == ~a2040628137~0); {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,877 INFO L281 TraceCheckUtils]: 13: Hoare triple {33885#(<= ~a824024208~0 32)} assume (32 == ~a1534902259~0 && 32 == ~a1879373572~0 && 28 < ~a268371874~0 && 76 >= ~a268371874~0) && (5 == ~a835102539~0 && 32 == ~a1171576990~0 && 301 < ~a274381288~0 && 1 == ~cf~0) && 32 == ~a890181220~0;calculate_outputm140_#in~input := calculate_outputm33_~input;havoc calculate_outputm140_#t~ite219, calculate_outputm140_~input;calculate_outputm140_~input := calculate_outputm140_#in~input; {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,877 INFO L281 TraceCheckUtils]: 14: Hoare triple {33885#(<= ~a824024208~0 32)} assume (32 == ~a2064844468~0 && (6 == calculate_outputm140_~input && 1 == ~cf~0) && 32 == ~a1534902259~0) && (((-146 < ~a1001390225~0 && 51 >= ~a1001390225~0) && 32 == ~a837448621~0) && 32 == ~a1171576990~0) && 6 == ~a2061255735~0;~cf~0 := 0;~a2040628137~0 := -29 + ~a2061255735~0 * ~a2061255735~0;~a471011792~0 := (if ~a665096794~0 < 0 && 0 != ~a665096794~0 % ~a1290652559~0 then (if ~a1290652559~0 < 0 then ~a665096794~0 / ~a1290652559~0 - 1 else 1 + ~a665096794~0 / ~a1290652559~0) else ~a665096794~0 / ~a1290652559~0) - -6;~a1171576990~0 := 33;~a850881173~0 := -15316 + (-28988 + (if ~a268371874~0 * ~a274381288~0 < 0 && 0 != ~a268371874~0 * ~a274381288~0 % 14999 then ~a268371874~0 * ~a274381288~0 % 14999 - 14999 else ~a268371874~0 * ~a274381288~0 % 14999) - 7 - -27353);~a890181220~0 := 33;~a665096794~0 := 3 + ~a2040628137~0;~a71064409~0 := 24 + (if -6829 + 2 * (11419 + ~a583510163~0 * ~a412613099~0) < 0 && 0 != (-6829 + 2 * (11419 + ~a583510163~0 * ~a412613099~0)) % 101 then (-6829 + 2 * (11419 + ~a583510163~0 * ~a412613099~0)) % 101 - 101 else (-6829 + 2 * (11419 + ~a583510163~0 * ~a412613099~0)) % 101);~a1290652559~0 := (if ~a2040628137~0 < 0 && 0 != ~a2040628137~0 % ~a471011792~0 then (if ~a471011792~0 < 0 then ~a2040628137~0 / ~a471011792~0 - 1 else 1 + ~a2040628137~0 / ~a471011792~0) else ~a2040628137~0 / ~a471011792~0) - -3;~a1179664392~0 := 34;~a1210734340~0 := -8 + (4462 + (if ~a850881173~0 * ~a552913881~0 < 0 && 0 != ~a850881173~0 * ~a552913881~0 % 14999 then ~a850881173~0 * ~a552913881~0 % 14999 - 14999 else ~a850881173~0 * ~a552913881~0 % 14999) - 19446);~a1534902259~0 := 33;~a412613099~0 := (if 10 * (if (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) < 0 && 0 != (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) % 5 then 1 + (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5 else (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5) < 0 && 0 != 10 * (if (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) < 0 && 0 != (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) % 5 then 1 + (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5 else (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5) % 2 then 1 + 10 * (if (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) < 0 && 0 != (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) % 5 then 1 + (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5 else (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5) / 2 else 10 * (if (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) < 0 && 0 != (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) % 5 then 1 + (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5 else (if -2 * (~a268371874~0 * ~a268371874~0) < 0 && 0 != -2 * (~a268371874~0 * ~a268371874~0) % 10 then 1 + -2 * (~a268371874~0 * ~a268371874~0) / 10 else -2 * (~a268371874~0 * ~a268371874~0) / 10) / 5) / 2);~a182175502~0 := ~a471011792~0 - 2;~a835102539~0 := ~a665096794~0 - ~a1290652559~0 - 3;~a837448621~0 := 33;~a1879373572~0 := 33;~a2061255735~0 := ~a2040628137~0 - 2;~a2064844468~0 := 33;~a1001390225~0 := -16673 + ~a1001390225~0 * ~a268371874~0;~a268371874~0 := (if (if ~a268371874~0 * ~a1001390225~0 < 0 && 0 != ~a268371874~0 * ~a1001390225~0 % 14999 then ~a268371874~0 * ~a1001390225~0 % 14999 - 14999 else ~a268371874~0 * ~a1001390225~0 % 14999) - -16052 - 19425 < 0 && 0 != ((if ~a268371874~0 * ~a1001390225~0 < 0 && 0 != ~a268371874~0 * ~a1001390225~0 % 14999 then ~a268371874~0 * ~a1001390225~0 % 14999 - 14999 else ~a268371874~0 * ~a1001390225~0 % 14999) - -16052 - 19425) % 5 then 1 + ((if ~a268371874~0 * ~a1001390225~0 < 0 && 0 != ~a268371874~0 * ~a1001390225~0 % 14999 then ~a268371874~0 * ~a1001390225~0 % 14999 - 14999 else ~a268371874~0 * ~a1001390225~0 % 14999) - -16052 - 19425) / 5 else ((if ~a268371874~0 * ~a1001390225~0 < 0 && 0 != ~a268371874~0 * ~a1001390225~0 % 14999 then ~a268371874~0 * ~a1001390225~0 % 14999 - 14999 else ~a268371874~0 * ~a1001390225~0 % 14999) - -16052 - 19425) / 5); {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,878 INFO L281 TraceCheckUtils]: 15: Hoare triple {33885#(<= ~a824024208~0 32)} assume (((1 == ~cf~0 && 8 == calculate_outputm140_~input) && 8 == ~a2040628137~0) && 32 == ~a1171576990~0) && 6 == ~a2061255735~0 && (32 == ~a2064844468~0 && -146 < ~a1001390225~0 && 51 >= ~a1001390225~0) && 8 < ~a583510163~0 && 150 >= ~a583510163~0; {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,878 INFO L281 TraceCheckUtils]: 16: Hoare triple {33885#(<= ~a824024208~0 32)} assume 20 + ~a1425431969~0 > ~a1425431969~0;calculate_outputm140_#t~ite219 := 2; {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,879 INFO L281 TraceCheckUtils]: 17: Hoare triple {33885#(<= ~a824024208~0 32)} ~a1425431969~0 := ~a1425431969~0 + calculate_outputm140_#t~ite219;havoc calculate_outputm140_#t~ite219;~cf~0 := 0;~a236788248~0 := ~a835102539~0 - -12;~a1879373572~0 := 33;~a1210734340~0 := (if (if ~a412613099~0 * ~a552913881~0 < 0 && 0 != ~a412613099~0 * ~a552913881~0 % 14999 then ~a412613099~0 * ~a552913881~0 % 14999 - 14999 else ~a412613099~0 * ~a552913881~0 % 14999) < 0 && 0 != (if ~a412613099~0 * ~a552913881~0 < 0 && 0 != ~a412613099~0 * ~a552913881~0 % 14999 then ~a412613099~0 * ~a552913881~0 % 14999 - 14999 else ~a412613099~0 * ~a552913881~0 % 14999) % 5 then 1 + (if ~a412613099~0 * ~a552913881~0 < 0 && 0 != ~a412613099~0 * ~a552913881~0 % 14999 then ~a412613099~0 * ~a552913881~0 % 14999 - 14999 else ~a412613099~0 * ~a552913881~0 % 14999) / 5 else (if ~a412613099~0 * ~a552913881~0 < 0 && 0 != ~a412613099~0 * ~a552913881~0 % 14999 then ~a412613099~0 * ~a552913881~0 % 14999 - 14999 else ~a412613099~0 * ~a552913881~0 % 14999) / 5) - 16127;~a182175502~0 := ~a665096794~0 - ~a665096794~0 - -6;~a2040628137~0 := -4 + ~a665096794~0;~a850881173~0 := -12797 + (-946 + -2 * (~a850881173~0 * ~a268371874~0) - -12536);~a412613099~0 := 27453 + (-15071 + (if (if ~a1210734340~0 * ~a274381288~0 < 0 && 0 != ~a1210734340~0 * ~a274381288~0 % 14999 then ~a1210734340~0 * ~a274381288~0 % 14999 - 14999 else ~a1210734340~0 * ~a274381288~0 % 14999) < 0 && 0 != (if ~a1210734340~0 * ~a274381288~0 < 0 && 0 != ~a1210734340~0 * ~a274381288~0 % 14999 then ~a1210734340~0 * ~a274381288~0 % 14999 - 14999 else ~a1210734340~0 * ~a274381288~0 % 14999) % 14928 then (if ~a1210734340~0 * ~a274381288~0 < 0 && 0 != ~a1210734340~0 * ~a274381288~0 % 14999 then ~a1210734340~0 * ~a274381288~0 % 14999 - 14999 else ~a1210734340~0 * ~a274381288~0 % 14999) % 14928 - 14928 else (if ~a1210734340~0 * ~a274381288~0 < 0 && 0 != ~a1210734340~0 * ~a274381288~0 % 14999 then ~a1210734340~0 * ~a274381288~0 % 14999 - 14999 else ~a1210734340~0 * ~a274381288~0 % 14999) % 14928) - 1) - 27452;~a583510163~0 := (if (if (if ~a583510163~0 * ~a274381288~0 < 0 && 0 != ~a583510163~0 * ~a274381288~0 % 14999 then ~a583510163~0 * ~a274381288~0 % 14999 - 14999 else ~a583510163~0 * ~a274381288~0 % 14999) < 0 && 0 != (if ~a583510163~0 * ~a274381288~0 < 0 && 0 != ~a583510163~0 * ~a274381288~0 % 14999 then ~a583510163~0 * ~a274381288~0 % 14999 - 14999 else ~a583510163~0 * ~a274381288~0 % 14999) % 5 then 1 + (if ~a583510163~0 * ~a274381288~0 < 0 && 0 != ~a583510163~0 * ~a274381288~0 % 14999 then ~a583510163~0 * ~a274381288~0 % 14999 - 14999 else ~a583510163~0 * ~a274381288~0 % 14999) / 5 else (if ~a583510163~0 * ~a274381288~0 < 0 && 0 != ~a583510163~0 * ~a274381288~0 % 14999 then ~a583510163~0 * ~a274381288~0 % 14999 - 14999 else ~a583510163~0 * ~a274381288~0 % 14999) / 5) - -15389 < 0 && 0 != ((if (if ~a583510163~0 * ~a274381288~0 < 0 && 0 != ~a583510163~0 * ~a274381288~0 % 14999 then ~a583510163~0 * ~a274381288~0 % 14999 - 14999 else ~a583510163~0 * ~a274381288~0 % 14999) < 0 && 0 != (if ~a583510163~0 * ~a274381288~0 < 0 && 0 != ~a583510163~0 * ~a274381288~0 % 14999 then ~a583510163~0 * ~a274381288~0 % 14999 - 14999 else ~a583510163~0 * ~a274381288~0 % 14999) % 5 then 1 + (if ~a583510163~0 * ~a274381288~0 < 0 && 0 != ~a583510163~0 * ~a274381288~0 % 14999 then ~a583510163~0 * ~a274381288~0 % 14999 - 14999 else ~a583510163~0 * ~a274381288~0 % 14999) / 5 else (if ~a583510163~0 * ~a274381288~0 < 0 && 0 != ~a583510163~0 * ~a274381288~0 % 14999 then ~a583510163~0 * ~a274381288~0 % 14999 - 14999 else ~a583510163~0 * ~a274381288~0 % 14999) / 5) - -15389) % 5 then 1 + ((if (if ~a583510163~0 * ~a274381288~0 < 0 && 0 != ~a583510163~0 * ~a274381288~0 % 14999 then ~a583510163~0 * ~a274381288~0 % 14999 - 14999 else ~a583510163~0 * ~a274381288~0 % 14999) < 0 && 0 != (if ~a583510163~0 * ~a274381288~0 < 0 && 0 != ~a583510163~0 * ~a274381288~0 % 14999 then ~a583510163~0 * ~a274381288~0 % 14999 - 14999 else ~a583510163~0 * ~a274381288~0 % 14999) % 5 then 1 + (if ~a583510163~0 * ~a274381288~0 < 0 && 0 != ~a583510163~0 * ~a274381288~0 % 14999 then ~a583510163~0 * ~a274381288~0 % 14999 - 14999 else ~a583510163~0 * ~a274381288~0 % 14999) / 5 else (if ~a583510163~0 * ~a274381288~0 < 0 && 0 != ~a583510163~0 * ~a274381288~0 % 14999 then ~a583510163~0 * ~a274381288~0 % 14999 - 14999 else ~a583510163~0 * ~a274381288~0 % 14999) / 5) - -15389) / 5 else ((if (if ~a583510163~0 * ~a274381288~0 < 0 && 0 != ~a583510163~0 * ~a274381288~0 % 14999 then ~a583510163~0 * ~a274381288~0 % 14999 - 14999 else ~a583510163~0 * ~a274381288~0 % 14999) < 0 && 0 != (if ~a583510163~0 * ~a274381288~0 < 0 && 0 != ~a583510163~0 * ~a274381288~0 % 14999 then ~a583510163~0 * ~a274381288~0 % 14999 - 14999 else ~a583510163~0 * ~a274381288~0 % 14999) % 5 then 1 + (if ~a583510163~0 * ~a274381288~0 < 0 && 0 != ~a583510163~0 * ~a274381288~0 % 14999 then ~a583510163~0 * ~a274381288~0 % 14999 - 14999 else ~a583510163~0 * ~a274381288~0 % 14999) / 5 else (if ~a583510163~0 * ~a274381288~0 < 0 && 0 != ~a583510163~0 * ~a274381288~0 % 14999 then ~a583510163~0 * ~a274381288~0 % 14999 - 14999 else ~a583510163~0 * ~a274381288~0 % 14999) / 5) - -15389) / 5) - 32301;~a1001390225~0 := (if 2 * (if ~a1001390225~0 * ~a274381288~0 < 0 && 0 != ~a1001390225~0 * ~a274381288~0 % 14999 then ~a1001390225~0 * ~a274381288~0 % 14999 - 14999 else ~a1001390225~0 * ~a274381288~0 % 14999) - -3 < 0 && 0 != (2 * (if ~a1001390225~0 * ~a274381288~0 < 0 && 0 != ~a1001390225~0 * ~a274381288~0 % 14999 then ~a1001390225~0 * ~a274381288~0 % 14999 - 14999 else ~a1001390225~0 * ~a274381288~0 % 14999) - -3) % 5 then 1 + (2 * (if ~a1001390225~0 * ~a274381288~0 < 0 && 0 != ~a1001390225~0 * ~a274381288~0 % 14999 then ~a1001390225~0 * ~a274381288~0 % 14999 - 14999 else ~a1001390225~0 * ~a274381288~0 % 14999) - -3) / 5 else (2 * (if ~a1001390225~0 * ~a274381288~0 < 0 && 0 != ~a1001390225~0 * ~a274381288~0 % 14999 then ~a1001390225~0 * ~a274381288~0 % 14999 - 14999 else ~a1001390225~0 * ~a274381288~0 % 14999) - -3) / 5) - 8737;~a890181220~0 := 33;~a471011792~0 := ~a1290652559~0 + ~a236788248~0 - 12;~a910748832~0 := 36;~a835102539~0 := ~a2061255735~0 - 2;~a1171576990~0 := 33;~a2064844468~0 := 33;~a1534902259~0 := 33;~a268371874~0 := (if 10 * (if 5780 + (if ~a274381288~0 * ~a274381288~0 < 0 && 0 != ~a274381288~0 * ~a274381288~0 % 14999 then ~a274381288~0 * ~a274381288~0 % 14999 - 14999 else ~a274381288~0 * ~a274381288~0 % 14999) < 0 && 0 != (5780 + (if ~a274381288~0 * ~a274381288~0 < 0 && 0 != ~a274381288~0 * ~a274381288~0 % 14999 then ~a274381288~0 * ~a274381288~0 % 14999 - 14999 else ~a274381288~0 * ~a274381288~0 % 14999)) % -5 then (5780 + (if ~a274381288~0 * ~a274381288~0 < 0 && 0 != ~a274381288~0 * ~a274381288~0 % 14999 then ~a274381288~0 * ~a274381288~0 % 14999 - 14999 else ~a274381288~0 * ~a274381288~0 % 14999)) / -5 - 1 else (5780 + (if ~a274381288~0 * ~a274381288~0 < 0 && 0 != ~a274381288~0 * ~a274381288~0 % 14999 then ~a274381288~0 * ~a274381288~0 % 14999 - 14999 else ~a274381288~0 * ~a274381288~0 % 14999)) / -5) < 0 && 0 != 10 * (if 5780 + (if ~a274381288~0 * ~a274381288~0 < 0 && 0 != ~a274381288~0 * ~a274381288~0 % 14999 then ~a274381288~0 * ~a274381288~0 % 14999 - 14999 else ~a274381288~0 * ~a274381288~0 % 14999) < 0 && 0 != (5780 + (if ~a274381288~0 * ~a274381288~0 < 0 && 0 != ~a274381288~0 * ~a274381288~0 % 14999 then ~a274381288~0 * ~a274381288~0 % 14999 - 14999 else ~a274381288~0 * ~a274381288~0 % 14999)) % -5 then (5780 + (if ~a274381288~0 * ~a274381288~0 < 0 && 0 != ~a274381288~0 * ~a274381288~0 % 14999 then ~a274381288~0 * ~a274381288~0 % 14999 - 14999 else ~a274381288~0 * ~a274381288~0 % 14999)) / -5 - 1 else (5780 + (if ~a274381288~0 * ~a274381288~0 < 0 && 0 != ~a274381288~0 * ~a274381288~0 % 14999 then ~a274381288~0 * ~a274381288~0 % 14999 - 14999 else ~a274381288~0 * ~a274381288~0 % 14999)) / -5) % 9 then 1 + 10 * (if 5780 + (if ~a274381288~0 * ~a274381288~0 < 0 && 0 != ~a274381288~0 * ~a274381288~0 % 14999 then ~a274381288~0 * ~a274381288~0 % 14999 - 14999 else ~a274381288~0 * ~a274381288~0 % 14999) < 0 && 0 != (5780 + (if ~a274381288~0 * ~a274381288~0 < 0 && 0 != ~a274381288~0 * ~a274381288~0 % 14999 then ~a274381288~0 * ~a274381288~0 % 14999 - 14999 else ~a274381288~0 * ~a274381288~0 % 14999)) % -5 then (5780 + (if ~a274381288~0 * ~a274381288~0 < 0 && 0 != ~a274381288~0 * ~a274381288~0 % 14999 then ~a274381288~0 * ~a274381288~0 % 14999 - 14999 else ~a274381288~0 * ~a274381288~0 % 14999)) / -5 - 1 else (5780 + (if ~a274381288~0 * ~a274381288~0 < 0 && 0 != ~a274381288~0 * ~a274381288~0 % 14999 then ~a274381288~0 * ~a274381288~0 % 14999 - 14999 else ~a274381288~0 * ~a274381288~0 % 14999)) / -5) / 9 else 10 * (if 5780 + (if ~a274381288~0 * ~a274381288~0 < 0 && 0 != ~a274381288~0 * ~a274381288~0 % 14999 then ~a274381288~0 * ~a274381288~0 % 14999 - 14999 else ~a274381288~0 * ~a274381288~0 % 14999) < 0 && 0 != (5780 + (if ~a274381288~0 * ~a274381288~0 < 0 && 0 != ~a274381288~0 * ~a274381288~0 % 14999 then ~a274381288~0 * ~a274381288~0 % 14999 - 14999 else ~a274381288~0 * ~a274381288~0 % 14999)) % -5 then (5780 + (if ~a274381288~0 * ~a274381288~0 < 0 && 0 != ~a274381288~0 * ~a274381288~0 % 14999 then ~a274381288~0 * ~a274381288~0 % 14999 - 14999 else ~a274381288~0 * ~a274381288~0 % 14999)) / -5 - 1 else (5780 + (if ~a274381288~0 * ~a274381288~0 < 0 && 0 != ~a274381288~0 * ~a274381288~0 % 14999 then ~a274381288~0 * ~a274381288~0 % 14999 - 14999 else ~a274381288~0 * ~a274381288~0 % 14999)) / -5) / 9);~a837448621~0 := 33;~a2061255735~0 := ~a665096794~0 - 6;~a1290652559~0 := ~a182175502~0 - 3;~a665096794~0 := ~a236788248~0 - 7; {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,887 INFO L281 TraceCheckUtils]: 18: Hoare triple {33885#(<= ~a824024208~0 32)} assume !((((1 == ~cf~0 && 11 == ~a471011792~0) && 28 < ~a268371874~0 && 76 >= ~a268371874~0) && 32 == ~a1171576990~0) && 32 == ~a1534902259~0 && ((17 < ~a1210734340~0 && 187 >= ~a1210734340~0) && 32 == ~a2064844468~0) && 7 == ~a182175502~0); {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,887 INFO L281 TraceCheckUtils]: 19: Hoare triple {33885#(<= ~a824024208~0 32)} assume !(((8 < ~a583510163~0 && 150 >= ~a583510163~0) && 32 == ~a1534902259~0) && ((32 == ~a890181220~0 && (1 == ~cf~0 && 12 == ~a471011792~0) && 28 < ~a268371874~0 && 76 >= ~a268371874~0) && 4 == ~a1290652559~0) && 32 == ~a1879373572~0); {33885#(<= ~a824024208~0 32)} is VALID [2021-09-13 13:12:38,888 INFO L281 TraceCheckUtils]: 20: Hoare triple {33885#(<= ~a824024208~0 32)} assume (33 == ~a824024208~0 && 330 < ~a621522874~0 && 523 >= ~a621522874~0) && 11 == ~a471011792~0;~cf~0 := 0; {33881#false} is VALID [2021-09-13 13:12:38,888 INFO L281 TraceCheckUtils]: 21: Hoare triple {33881#false} assume !false; {33881#false} is VALID [2021-09-13 13:12:38,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 13:12:38,888 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-09-13 13:12:38,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-13 13:12:38,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975689172] [2021-09-13 13:12:38,889 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-09-13 13:12:38,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087545021] [2021-09-13 13:12:38,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087545021] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-13 13:12:38,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-13 13:12:38,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-09-13 13:12:38,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290867913] [2021-09-13 13:12:38,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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) Word has length 22 [2021-09-13 13:12:38,890 INFO L84 Accepts]: Finished accepts. word is accepted. [2021-09-13 13:12:38,890 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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) [2021-09-13 13:12:38,916 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:12:38,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-09-13 13:12:38,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-13 13:12:38,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-09-13 13:12:38,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-13 13:12:38,917 INFO L87 Difference]: Start difference. First operand 3477 states and 5277 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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) [2021-09-13 13:12:41,315 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:43,669 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:45,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:47,292 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:50,248 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:52,378 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:12:57,818 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:01,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:05,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:12,976 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:15,614 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:17,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:20,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:22,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:24,265 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:26,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:28,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:31,637 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:33,641 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:36,665 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:38,683 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:41,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:45,993 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:48,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:13:50,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:14:00,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-09-13 13:14:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-09-13 13:14:00,404 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.45ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-13 13:14:00,405 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 678 mSDsluCounter, 1413 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 4 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59563.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.71ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59770.30ms IncrementalHoareTripleChecker+Time [2021-09-13 13:14:00,405 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [678 Valid, 0 Invalid, 1436 Unknown, 0 Unchecked, 2.71ms Time], IncrementalHoareTripleChecker [4 Valid, 1410 Invalid, 22 Unknown, 0 Unchecked, 59770.30ms Time] [2021-09-13 13:14:00,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-09-13 13:14:00,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-09-13 13:14:00,606 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@152a63b9 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:182) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.checkInternal(MonolithicHoareTripleChecker.java:91) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ReviewedProtectedHtc.reviewInductiveInternal(ChainingHoareTripleChecker.java:318) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ReviewedProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:290) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:863) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:779) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-09-13 13:14:00,610 INFO L158 Benchmark]: Toolchain (without parser) took 515638.33ms. Allocated memory was 54.5MB in the beginning and 408.9MB in the end (delta: 354.4MB). Free memory was 37.0MB in the beginning and 223.4MB in the end (delta: -186.4MB). Peak memory consumption was 292.4MB. Max. memory is 16.1GB. [2021-09-13 13:14:00,610 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-09-13 13:14:00,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1296.94ms. Allocated memory was 54.5MB in the beginning and 81.8MB in the end (delta: 27.3MB). Free memory was 36.7MB in the beginning and 33.0MB in the end (delta: 3.7MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2021-09-13 13:14:00,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 448.68ms. Allocated memory was 81.8MB in the beginning and 132.1MB in the end (delta: 50.3MB). Free memory was 33.0MB in the beginning and 64.6MB in the end (delta: -31.7MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2021-09-13 13:14:00,611 INFO L158 Benchmark]: Boogie Preprocessor took 307.32ms. Allocated memory is still 132.1MB. Free memory was 64.6MB in the beginning and 60.9MB in the end (delta: 3.7MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2021-09-13 13:14:00,611 INFO L158 Benchmark]: RCFGBuilder took 2357.27ms. Allocated memory was 132.1MB in the beginning and 264.2MB in the end (delta: 132.1MB). Free memory was 60.9MB in the beginning and 164.6MB in the end (delta: -103.7MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2021-09-13 13:14:00,612 INFO L158 Benchmark]: TraceAbstraction took 511207.02ms. Allocated memory was 264.2MB in the beginning and 408.9MB in the end (delta: 144.7MB). Free memory was 164.6MB in the beginning and 223.4MB in the end (delta: -58.8MB). Peak memory consumption was 211.9MB. Max. memory is 16.1GB. [2021-09-13 13:14:00,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1296.94ms. Allocated memory was 54.5MB in the beginning and 81.8MB in the end (delta: 27.3MB). Free memory was 36.7MB in the beginning and 33.0MB in the end (delta: 3.7MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 448.68ms. Allocated memory was 81.8MB in the beginning and 132.1MB in the end (delta: 50.3MB). Free memory was 33.0MB in the beginning and 64.6MB in the end (delta: -31.7MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 307.32ms. Allocated memory is still 132.1MB. Free memory was 64.6MB in the beginning and 60.9MB in the end (delta: 3.7MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2357.27ms. Allocated memory was 132.1MB in the beginning and 264.2MB in the end (delta: 132.1MB). Free memory was 60.9MB in the beginning and 164.6MB in the end (delta: -103.7MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. * TraceAbstraction took 511207.02ms. Allocated memory was 264.2MB in the beginning and 408.9MB in the end (delta: 144.7MB). Free memory was 164.6MB in the beginning and 223.4MB in the end (delta: -58.8MB). Peak memory consumption was 211.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@152a63b9 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@152a63b9: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-09-13 13:14:00,821 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-09-13 13:14:00,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-09-13 13:14:02,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-13 13:14:02,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-13 13:14:02,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-13 13:14:02,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-13 13:14:02,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-13 13:14:02,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-13 13:14:02,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-13 13:14:02,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-13 13:14:02,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-13 13:14:02,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-13 13:14:02,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-13 13:14:02,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-13 13:14:02,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-13 13:14:02,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-13 13:14:02,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-13 13:14:02,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-13 13:14:02,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-13 13:14:02,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-13 13:14:02,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-13 13:14:02,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-13 13:14:02,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-13 13:14:02,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-13 13:14:02,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-13 13:14:02,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-13 13:14:02,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-13 13:14:02,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-13 13:14:02,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-13 13:14:02,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-13 13:14:02,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-13 13:14:02,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-13 13:14:02,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-13 13:14:02,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-13 13:14:02,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-13 13:14:02,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-13 13:14:02,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-13 13:14:02,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-13 13:14:02,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-13 13:14:02,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-13 13:14:02,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-13 13:14:02,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-13 13:14:02,610 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-09-13 13:14:02,645 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-13 13:14:02,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-13 13:14:02,647 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-13 13:14:02,647 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-13 13:14:02,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-13 13:14:02,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-13 13:14:02,649 INFO L138 SettingsManager]: * Use SBE=true [2021-09-13 13:14:02,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-13 13:14:02,649 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-13 13:14:02,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-13 13:14:02,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-13 13:14:02,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-13 13:14:02,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-13 13:14:02,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-13 13:14:02,651 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-09-13 13:14:02,660 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-09-13 13:14:02,660 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-13 13:14:02,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-13 13:14:02,661 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-13 13:14:02,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-13 13:14:02,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-13 13:14:02,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-13 13:14:02,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-13 13:14:02,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-13 13:14:02,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-13 13:14:02,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-13 13:14:02,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-13 13:14:02,663 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-09-13 13:14:02,663 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-09-13 13:14:02,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-13 13:14:02,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-13 13:14:02,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-09-13 13:14:02,664 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a40bb4f35144538f1545c9fce8c4acdb3894b38 [2021-09-13 13:14:02,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-13 13:14:02,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-13 13:14:02,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-13 13:14:02,992 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-13 13:14:02,993 INFO L275 PluginConnector]: CDTParser initialized [2021-09-13 13:14:02,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2018/Problem11.c [2021-09-13 13:14:03,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c1ee2c8e/c4eca1f265ba4fa39f08d272e1934425/FLAG95108d793 [2021-09-13 13:14:03,686 INFO L306 CDTParser]: Found 1 translation units. [2021-09-13 13:14:03,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem11.c [2021-09-13 13:14:03,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c1ee2c8e/c4eca1f265ba4fa39f08d272e1934425/FLAG95108d793 [2021-09-13 13:14:04,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c1ee2c8e/c4eca1f265ba4fa39f08d272e1934425 [2021-09-13 13:14:04,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-13 13:14:04,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-13 13:14:04,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-13 13:14:04,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-13 13:14:04,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-13 13:14:04,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 01:14:04" (1/1) ... [2021-09-13 13:14:04,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d72b0c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:14:04, skipping insertion in model container [2021-09-13 13:14:04,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 01:14:04" (1/1) ... [2021-09-13 13:14:04,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-13 13:14:04,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-13 13:14:04,311 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem11.c[778,791] [2021-09-13 13:14:04,318 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem11.c[817,830] [2021-09-13 13:14:05,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-13 13:14:05,067 INFO L203 MainTranslator]: Completed pre-run [2021-09-13 13:14:05,076 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem11.c[778,791] [2021-09-13 13:14:05,077 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2018/Problem11.c[817,830] [2021-09-13 13:14:05,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-13 13:14:05,353 INFO L208 MainTranslator]: Completed translation [2021-09-13 13:14:05,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:14:05 WrapperNode [2021-09-13 13:14:05,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-13 13:14:05,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-09-13 13:14:05,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-09-13 13:14:05,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-09-13 13:14:05,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:14:05" (1/1) ... [2021-09-13 13:14:05,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:14:05" (1/1) ... [2021-09-13 13:14:05,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-09-13 13:14:05,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-09-13 13:14:05,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-09-13 13:14:05,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-09-13 13:14:05,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:14:05" (1/1) ... [2021-09-13 13:14:05,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:14:05" (1/1) ... [2021-09-13 13:14:05,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:14:05" (1/1) ... [2021-09-13 13:14:05,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:14:05" (1/1) ... [2021-09-13 13:14:05,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:14:05" (1/1) ... [2021-09-13 13:14:05,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:14:05" (1/1) ... [2021-09-13 13:14:05,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:14:05" (1/1) ... [2021-09-13 13:14:05,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-09-13 13:14:05,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-09-13 13:14:05,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-09-13 13:14:05,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-09-13 13:14:05,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:14:05" (1/1) ... [2021-09-13 13:14:05,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-13 13:14:05,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-09-13 13:14:05,702 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) [2021-09-13 13:14:05,724 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 [2021-09-13 13:14:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-09-13 13:14:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-09-13 13:14:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-09-13 13:14:05,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-09-13 13:14:06,735 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-09-13 13:14:06,735 INFO L299 CfgBuilder]: Removed 497 assume(true) statements. [2021-09-13 13:14:06,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 01:14:06 BoogieIcfgContainer [2021-09-13 13:14:06,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-09-13 13:14:06,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-09-13 13:14:06,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-09-13 13:14:06,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-09-13 13:14:06,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.09 01:14:04" (1/3) ... [2021-09-13 13:14:06,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600737c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 01:14:06, skipping insertion in model container [2021-09-13 13:14:06,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 01:14:05" (2/3) ... [2021-09-13 13:14:06,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600737c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 01:14:06, skipping insertion in model container [2021-09-13 13:14:06,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 01:14:06" (3/3) ... [2021-09-13 13:14:06,744 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11.c [2021-09-13 13:14:06,749 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-09-13 13:14:06,749 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 100 error locations. [2021-09-13 13:14:06,792 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-09-13 13:14:06,797 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-09-13 13:14:06,797 INFO L340 AbstractCegarLoop]: Starting to check reachability of 100 error locations. [2021-09-13 13:14:06,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 650 states, 549 states have (on average 1.819672131147541) internal successors, (999), 649 states have internal predecessors, (999), 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) [2021-09-13 13:14:06,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-09-13 13:14:06,844 INFO L505 BasicCegarLoop]: Found error trace [2021-09-13 13:14:06,845 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-13 13:14:06,845 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-09-13 13:14:06,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-13 13:14:06,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1416223949, now seen corresponding path program 1 times [2021-09-13 13:14:06,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-09-13 13:14:06,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168594521] [2021-09-13 13:14:06,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 13:14:06,861 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-09-13 13:14:06,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-09-13 13:14:06,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-09-13 13:14:06,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-09-13 13:14:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:14:07,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjunts are in the unsatisfiable core [2021-09-13 13:14:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:14:07,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-09-13 13:14:07,791 INFO L281 TraceCheckUtils]: 0: Hoare triple {653#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2bv32);call write~init~intINTTYPE1(48bv8, #t~string0.base, #t~string0.offset, 1bv32);call write~init~intINTTYPE1(0bv8, #t~string0.base, ~bvadd32(1bv32, #t~string0.offset), 1bv32);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12bv32);~inputs~0 := ~inputs~0[0bv32 := 7bv32];~inputs~0 := ~inputs~0[1bv32 := 10bv32];~inputs~0 := ~inputs~0[2bv32 := 6bv32];~inputs~0 := ~inputs~0[3bv32 := 2bv32];~inputs~0 := ~inputs~0[4bv32 := 5bv32];~inputs~0 := ~inputs~0[5bv32 := 3bv32];~inputs~0 := ~inputs~0[6bv32 := 9bv32];~inputs~0 := ~inputs~0[7bv32 := 4bv32];~inputs~0 := ~inputs~0[8bv32 := 8bv32];~inputs~0 := ~inputs~0[9bv32 := 1bv32];~a589117628~0 := 34bv32;~a1290652559~0 := 4bv32;~a236788248~0 := 16bv32;~a1580522136~0 := 161bv32;~a45685611~0 := 11bv32;~a1889803145~0 := 118bv32;~a910748832~0 := 36bv32;~a471011792~0 := 10bv32;~a946891643~0 := 5bv32;~a665096794~0 := 11bv32;~a850881173~0 := 141bv32;~a2040628137~0 := 8bv32;~a583510163~0 := 77bv32;~a1859402009~0 := 14bv32;~a268371874~0 := 51bv32;~a837448621~0 := 32bv32;~a824024208~0 := 32bv32;~a1171576990~0 := 32bv32;~a1422023390~0 := 4294967292bv32;~a1605463015~0 := 9bv32;~a812175843~0 := 36bv32;~a890181220~0 := 32bv32;~a808219163~0 := 35bv32;~a1210734340~0 := 58bv32;~a1864015649~0 := 33bv32;~a1944090451~0 := 34bv32;~a412613099~0 := 4294967268bv32;~a2139179119~0 := 15bv32;~cf~0 := 1bv32;~a648283191~0 := 4294967188bv32;~a71064409~0 := 4294967128bv32;~a499699109~0 := 3bv32;~a1001390225~0 := 4294967272bv32;~a274381288~0 := 312bv32;~a1218264876~0 := 32bv32;~a1535937505~0 := 32bv32;~a1879373572~0 := 32bv32;~a2064844468~0 := 32bv32;~a182175502~0 := 7bv32;~a482477713~0 := 8bv32;~a44138666~0 := 36bv32;~a418218587~0 := 36bv32;~a621522874~0 := 131bv32;~a2083223046~0 := 35bv32;~a1179664392~0 := 33bv32;~a166920931~0 := 8bv32;~a1684594625~0 := 108bv32;~a1534902259~0 := 32bv32;~a430318312~0 := 3bv32;~a1821141922~0 := 35bv32;~a835102539~0 := 5bv32;~a2079503415~0 := 13bv32;~a1071924404~0 := 34bv32;~a2061255735~0 := 6bv32;~a2122722213~0 := 2bv32;~a552913881~0 := 520bv32;~a173429297~0 := 4294967261bv32;~a763506461~0 := 0bv32;~a635353122~0 := 1bv32;~a1075927325~0 := 0bv32;~a434613686~0 := 0bv32;~a95561532~0 := 0bv32;~a1487195600~0 := 1bv32;~a275262794~0 := 0bv32;~a273635060~0 := 1bv32;~a1221017635~0 := 0bv32;~a311962986~0 := 0bv32;~a2084484762~0 := 0bv32;~a460288454~0 := 0bv32;~a418880267~0 := 1bv32;~a1264277206~0 := 1bv32;~a1355501303~0 := 1bv32;~a547738254~0 := 0bv32;~a1515611838~0 := 0bv32;~a514396383~0 := 2bv32;~a1955344686~0 := 0bv32;~a220097023~0 := 1bv32;~a1053339053~0 := 2bv32;~a501521675~0 := 3bv32;~a487646776~0 := 2bv32;~a1716545843~0 := 0bv32;~a51415461~0 := 3bv32;~a1425431969~0 := 2bv32;~a416125995~0 := 3bv32;~a1498331231~0 := 1bv32;~a1148381820~0 := 2bv32;~a838736370~0 := 2bv32;~a834109496~0 := 3bv32;~a1859169403~0 := 0bv32;~a1743588795~0 := 1bv32;~a112204540~0 := 3bv32;~a1347184625~0 := 1bv32; {658#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:07,792 INFO L281 TraceCheckUtils]: 1: Hoare triple {658#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} havoc main_#res;havoc main_#t~nondet269, main_~input~0; {658#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:07,793 INFO L281 TraceCheckUtils]: 2: Hoare triple {658#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} assume !false;havoc main_~input~0;main_~input~0 := main_#t~nondet269;havoc main_#t~nondet269; {658#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:07,793 INFO L281 TraceCheckUtils]: 3: Hoare triple {658#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} assume !(((((((((7bv32 != main_~input~0 && 10bv32 != main_~input~0) && 6bv32 != main_~input~0) && 2bv32 != main_~input~0) && 5bv32 != main_~input~0) && 3bv32 != main_~input~0) && 9bv32 != main_~input~0) && 4bv32 != main_~input~0) && 8bv32 != main_~input~0) && 1bv32 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input;~cf~0 := 1bv32; {668#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~cf~0 (_ bv1 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:07,794 INFO L281 TraceCheckUtils]: 4: Hoare triple {668#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~cf~0 (_ bv1 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} assume !(~bvsle32(~a850881173~0, 37bv32) && (((~bvsle32(~a1210734340~0, 17bv32) && (1bv32 == ~cf~0 && 5bv32 == ~a471011792~0) && ~bvsle32(~a1001390225~0, 4294967150bv32)) && 33bv32 == ~a1879373572~0) && 10bv32 == ~a665096794~0) && 33bv32 == ~a837448621~0); {668#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~cf~0 (_ bv1 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:07,795 INFO L281 TraceCheckUtils]: 5: Hoare triple {668#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~cf~0 (_ bv1 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} assume !(((~bvslt32(28bv32, ~a268371874~0) && ~bvsge32(76bv32, ~a268371874~0)) && 6bv32 == ~a2061255735~0 && ((7bv32 == ~a182175502~0 && 32bv32 == ~a837448621~0) && 32bv32 == ~a1879373572~0) && 32bv32 == ~a1171576990~0) && 6bv32 == ~a471011792~0 && 1bv32 == ~cf~0); {668#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~cf~0 (_ bv1 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:07,796 INFO L281 TraceCheckUtils]: 6: Hoare triple {668#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~cf~0 (_ bv1 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} assume !(((7bv32 == ~a2061255735~0 && (7bv32 == ~a471011792~0 && 1bv32 == ~cf~0) && 5bv32 == ~a1290652559~0) && 12bv32 == ~a665096794~0) && (9bv32 == ~a2040628137~0 && 34bv32 == ~a1879373572~0) && ~bvslt32(51bv32, ~a1001390225~0) && ~bvsge32(148bv32, ~a1001390225~0)); {668#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~cf~0 (_ bv1 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:07,797 INFO L281 TraceCheckUtils]: 7: Hoare triple {668#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~cf~0 (_ bv1 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} assume !((~bvsle32(~a412613099~0, 4294967152bv32) && 3bv32 == ~a1290652559~0 && 6bv32 == ~a182175502~0) && (33bv32 == ~a1534902259~0 && 5bv32 == ~a2061255735~0 && 1bv32 == ~cf~0 && 8bv32 == ~a471011792~0) && 33bv32 == ~a2064844468~0); {668#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~cf~0 (_ bv1 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:07,798 INFO L281 TraceCheckUtils]: 8: Hoare triple {668#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~cf~0 (_ bv1 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} assume !(((33bv32 == ~a1534902259~0 && 33bv32 == ~a1171576990~0 && 33bv32 == ~a890181220~0) && 10bv32 == ~a665096794~0) && 5bv32 == ~a2061255735~0 && (9bv32 == ~a471011792~0 && 1bv32 == ~cf~0) && ~bvsle32(~a268371874~0, 28bv32)); {668#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~cf~0 (_ bv1 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:07,799 INFO L281 TraceCheckUtils]: 9: Hoare triple {668#(and (= ~a583510163~0 (_ bv77 32)) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~a850881173~0 (_ bv141 32)) (= ~cf~0 (_ bv1 32)) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} assume !((4bv32 == ~a1290652559~0 && 32bv32 == ~a1171576990~0 && ~bvslt32(37bv32, ~a850881173~0) && ~bvsge32(184bv32, ~a850881173~0)) && (32bv32 == ~a2064844468~0 && (~bvslt32(8bv32, ~a583510163~0) && ~bvsge32(150bv32, ~a583510163~0)) && 10bv32 == ~a471011792~0 && 1bv32 == ~cf~0) && 8bv32 == ~a2040628137~0); {654#false} is VALID [2021-09-13 13:14:07,799 INFO L281 TraceCheckUtils]: 10: Hoare triple {654#false} assume !((((1bv32 == ~cf~0 && 11bv32 == ~a471011792~0) && ~bvslt32(28bv32, ~a268371874~0) && ~bvsge32(76bv32, ~a268371874~0)) && 32bv32 == ~a1171576990~0) && 32bv32 == ~a1534902259~0 && ((~bvslt32(17bv32, ~a1210734340~0) && ~bvsge32(187bv32, ~a1210734340~0)) && 32bv32 == ~a2064844468~0) && 7bv32 == ~a182175502~0); {654#false} is VALID [2021-09-13 13:14:07,800 INFO L281 TraceCheckUtils]: 11: Hoare triple {654#false} assume !(((~bvslt32(8bv32, ~a583510163~0) && ~bvsge32(150bv32, ~a583510163~0)) && 32bv32 == ~a1534902259~0) && ((32bv32 == ~a890181220~0 && (1bv32 == ~cf~0 && 12bv32 == ~a471011792~0) && ~bvslt32(28bv32, ~a268371874~0) && ~bvsge32(76bv32, ~a268371874~0)) && 4bv32 == ~a1290652559~0) && 32bv32 == ~a1879373572~0); {654#false} is VALID [2021-09-13 13:14:07,800 INFO L281 TraceCheckUtils]: 12: Hoare triple {654#false} assume (33bv32 == ~a824024208~0 && ~bvslt32(330bv32, ~a621522874~0) && ~bvsge32(523bv32, ~a621522874~0)) && 11bv32 == ~a471011792~0;~cf~0 := 0bv32; {654#false} is VALID [2021-09-13 13:14:07,800 INFO L281 TraceCheckUtils]: 13: Hoare triple {654#false} assume !false; {654#false} is VALID [2021-09-13 13:14:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 13:14:07,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-09-13 13:14:08,435 INFO L281 TraceCheckUtils]: 13: Hoare triple {654#false} assume !false; {654#false} is VALID [2021-09-13 13:14:08,436 INFO L281 TraceCheckUtils]: 12: Hoare triple {654#false} assume (33bv32 == ~a824024208~0 && ~bvslt32(330bv32, ~a621522874~0) && ~bvsge32(523bv32, ~a621522874~0)) && 11bv32 == ~a471011792~0;~cf~0 := 0bv32; {654#false} is VALID [2021-09-13 13:14:08,437 INFO L281 TraceCheckUtils]: 11: Hoare triple {654#false} assume !(((~bvslt32(8bv32, ~a583510163~0) && ~bvsge32(150bv32, ~a583510163~0)) && 32bv32 == ~a1534902259~0) && ((32bv32 == ~a890181220~0 && (1bv32 == ~cf~0 && 12bv32 == ~a471011792~0) && ~bvslt32(28bv32, ~a268371874~0) && ~bvsge32(76bv32, ~a268371874~0)) && 4bv32 == ~a1290652559~0) && 32bv32 == ~a1879373572~0); {654#false} is VALID [2021-09-13 13:14:08,437 INFO L281 TraceCheckUtils]: 10: Hoare triple {654#false} assume !((((1bv32 == ~cf~0 && 11bv32 == ~a471011792~0) && ~bvslt32(28bv32, ~a268371874~0) && ~bvsge32(76bv32, ~a268371874~0)) && 32bv32 == ~a1171576990~0) && 32bv32 == ~a1534902259~0 && ((~bvslt32(17bv32, ~a1210734340~0) && ~bvsge32(187bv32, ~a1210734340~0)) && 32bv32 == ~a2064844468~0) && 7bv32 == ~a182175502~0); {654#false} is VALID [2021-09-13 13:14:08,438 INFO L281 TraceCheckUtils]: 9: Hoare triple {711#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~cf~0 (_ bv1 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} assume !((4bv32 == ~a1290652559~0 && 32bv32 == ~a1171576990~0 && ~bvslt32(37bv32, ~a850881173~0) && ~bvsge32(184bv32, ~a850881173~0)) && (32bv32 == ~a2064844468~0 && (~bvslt32(8bv32, ~a583510163~0) && ~bvsge32(150bv32, ~a583510163~0)) && 10bv32 == ~a471011792~0 && 1bv32 == ~cf~0) && 8bv32 == ~a2040628137~0); {654#false} is VALID [2021-09-13 13:14:08,439 INFO L281 TraceCheckUtils]: 8: Hoare triple {711#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~cf~0 (_ bv1 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} assume !(((33bv32 == ~a1534902259~0 && 33bv32 == ~a1171576990~0 && 33bv32 == ~a890181220~0) && 10bv32 == ~a665096794~0) && 5bv32 == ~a2061255735~0 && (9bv32 == ~a471011792~0 && 1bv32 == ~cf~0) && ~bvsle32(~a268371874~0, 28bv32)); {711#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~cf~0 (_ bv1 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:08,441 INFO L281 TraceCheckUtils]: 7: Hoare triple {711#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~cf~0 (_ bv1 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} assume !((~bvsle32(~a412613099~0, 4294967152bv32) && 3bv32 == ~a1290652559~0 && 6bv32 == ~a182175502~0) && (33bv32 == ~a1534902259~0 && 5bv32 == ~a2061255735~0 && 1bv32 == ~cf~0 && 8bv32 == ~a471011792~0) && 33bv32 == ~a2064844468~0); {711#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~cf~0 (_ bv1 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:08,441 INFO L281 TraceCheckUtils]: 6: Hoare triple {711#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~cf~0 (_ bv1 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} assume !(((7bv32 == ~a2061255735~0 && (7bv32 == ~a471011792~0 && 1bv32 == ~cf~0) && 5bv32 == ~a1290652559~0) && 12bv32 == ~a665096794~0) && (9bv32 == ~a2040628137~0 && 34bv32 == ~a1879373572~0) && ~bvslt32(51bv32, ~a1001390225~0) && ~bvsge32(148bv32, ~a1001390225~0)); {711#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~cf~0 (_ bv1 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:08,442 INFO L281 TraceCheckUtils]: 5: Hoare triple {711#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~cf~0 (_ bv1 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} assume !(((~bvslt32(28bv32, ~a268371874~0) && ~bvsge32(76bv32, ~a268371874~0)) && 6bv32 == ~a2061255735~0 && ((7bv32 == ~a182175502~0 && 32bv32 == ~a837448621~0) && 32bv32 == ~a1879373572~0) && 32bv32 == ~a1171576990~0) && 6bv32 == ~a471011792~0 && 1bv32 == ~cf~0); {711#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~cf~0 (_ bv1 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:08,443 INFO L281 TraceCheckUtils]: 4: Hoare triple {711#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~cf~0 (_ bv1 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} assume !(~bvsle32(~a850881173~0, 37bv32) && (((~bvsle32(~a1210734340~0, 17bv32) && (1bv32 == ~cf~0 && 5bv32 == ~a471011792~0) && ~bvsle32(~a1001390225~0, 4294967150bv32)) && 33bv32 == ~a1879373572~0) && 10bv32 == ~a665096794~0) && 33bv32 == ~a837448621~0); {711#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~cf~0 (_ bv1 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:08,444 INFO L281 TraceCheckUtils]: 3: Hoare triple {730#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} assume !(((((((((7bv32 != main_~input~0 && 10bv32 != main_~input~0) && 6bv32 != main_~input~0) && 2bv32 != main_~input~0) && 5bv32 != main_~input~0) && 3bv32 != main_~input~0) && 9bv32 != main_~input~0) && 4bv32 != main_~input~0) && 8bv32 != main_~input~0) && 1bv32 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input;~cf~0 := 1bv32; {711#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (= ~cf~0 (_ bv1 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:08,445 INFO L281 TraceCheckUtils]: 2: Hoare triple {730#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} assume !false;havoc main_~input~0;main_~input~0 := main_#t~nondet269;havoc main_#t~nondet269; {730#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:08,445 INFO L281 TraceCheckUtils]: 1: Hoare triple {730#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} havoc main_#res;havoc main_#t~nondet269, main_~input~0; {730#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:08,449 INFO L281 TraceCheckUtils]: 0: Hoare triple {653#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2bv32);call write~init~intINTTYPE1(48bv8, #t~string0.base, #t~string0.offset, 1bv32);call write~init~intINTTYPE1(0bv8, #t~string0.base, ~bvadd32(1bv32, #t~string0.offset), 1bv32);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12bv32);~inputs~0 := ~inputs~0[0bv32 := 7bv32];~inputs~0 := ~inputs~0[1bv32 := 10bv32];~inputs~0 := ~inputs~0[2bv32 := 6bv32];~inputs~0 := ~inputs~0[3bv32 := 2bv32];~inputs~0 := ~inputs~0[4bv32 := 5bv32];~inputs~0 := ~inputs~0[5bv32 := 3bv32];~inputs~0 := ~inputs~0[6bv32 := 9bv32];~inputs~0 := ~inputs~0[7bv32 := 4bv32];~inputs~0 := ~inputs~0[8bv32 := 8bv32];~inputs~0 := ~inputs~0[9bv32 := 1bv32];~a589117628~0 := 34bv32;~a1290652559~0 := 4bv32;~a236788248~0 := 16bv32;~a1580522136~0 := 161bv32;~a45685611~0 := 11bv32;~a1889803145~0 := 118bv32;~a910748832~0 := 36bv32;~a471011792~0 := 10bv32;~a946891643~0 := 5bv32;~a665096794~0 := 11bv32;~a850881173~0 := 141bv32;~a2040628137~0 := 8bv32;~a583510163~0 := 77bv32;~a1859402009~0 := 14bv32;~a268371874~0 := 51bv32;~a837448621~0 := 32bv32;~a824024208~0 := 32bv32;~a1171576990~0 := 32bv32;~a1422023390~0 := 4294967292bv32;~a1605463015~0 := 9bv32;~a812175843~0 := 36bv32;~a890181220~0 := 32bv32;~a808219163~0 := 35bv32;~a1210734340~0 := 58bv32;~a1864015649~0 := 33bv32;~a1944090451~0 := 34bv32;~a412613099~0 := 4294967268bv32;~a2139179119~0 := 15bv32;~cf~0 := 1bv32;~a648283191~0 := 4294967188bv32;~a71064409~0 := 4294967128bv32;~a499699109~0 := 3bv32;~a1001390225~0 := 4294967272bv32;~a274381288~0 := 312bv32;~a1218264876~0 := 32bv32;~a1535937505~0 := 32bv32;~a1879373572~0 := 32bv32;~a2064844468~0 := 32bv32;~a182175502~0 := 7bv32;~a482477713~0 := 8bv32;~a44138666~0 := 36bv32;~a418218587~0 := 36bv32;~a621522874~0 := 131bv32;~a2083223046~0 := 35bv32;~a1179664392~0 := 33bv32;~a166920931~0 := 8bv32;~a1684594625~0 := 108bv32;~a1534902259~0 := 32bv32;~a430318312~0 := 3bv32;~a1821141922~0 := 35bv32;~a835102539~0 := 5bv32;~a2079503415~0 := 13bv32;~a1071924404~0 := 34bv32;~a2061255735~0 := 6bv32;~a2122722213~0 := 2bv32;~a552913881~0 := 520bv32;~a173429297~0 := 4294967261bv32;~a763506461~0 := 0bv32;~a635353122~0 := 1bv32;~a1075927325~0 := 0bv32;~a434613686~0 := 0bv32;~a95561532~0 := 0bv32;~a1487195600~0 := 1bv32;~a275262794~0 := 0bv32;~a273635060~0 := 1bv32;~a1221017635~0 := 0bv32;~a311962986~0 := 0bv32;~a2084484762~0 := 0bv32;~a460288454~0 := 0bv32;~a418880267~0 := 1bv32;~a1264277206~0 := 1bv32;~a1355501303~0 := 1bv32;~a547738254~0 := 0bv32;~a1515611838~0 := 0bv32;~a514396383~0 := 2bv32;~a1955344686~0 := 0bv32;~a220097023~0 := 1bv32;~a1053339053~0 := 2bv32;~a501521675~0 := 3bv32;~a487646776~0 := 2bv32;~a1716545843~0 := 0bv32;~a51415461~0 := 3bv32;~a1425431969~0 := 2bv32;~a416125995~0 := 3bv32;~a1498331231~0 := 1bv32;~a1148381820~0 := 2bv32;~a838736370~0 := 2bv32;~a834109496~0 := 3bv32;~a1859169403~0 := 0bv32;~a1743588795~0 := 1bv32;~a112204540~0 := 3bv32;~a1347184625~0 := 1bv32; {730#(and (bvsge (_ bv184 32) ~a850881173~0) (= (_ bv4 32) ~a1290652559~0) (= ~a471011792~0 (_ bv10 32)) (bvslt (_ bv8 32) ~a583510163~0) (bvsge (_ bv150 32) ~a583510163~0) (bvslt (_ bv37 32) ~a850881173~0) (= ~a2064844468~0 (_ bv32 32)) (= ~a1171576990~0 (_ bv32 32)) (= ~a2040628137~0 (_ bv8 32)))} is VALID [2021-09-13 13:14:08,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 13:14:08,450 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-09-13 13:14:08,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168594521] [2021-09-13 13:14:08,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [168594521] provided 2 perfect and 0 imperfect interpolant sequences [2021-09-13 13:14:08,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-09-13 13:14:08,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-09-13 13:14:08,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401442162] [2021-09-13 13:14:08,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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) Word has length 14 [2021-09-13 13:14:08,460 INFO L84 Accepts]: Finished accepts. word is accepted. [2021-09-13 13:14:08,463 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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) [2021-09-13 13:14:08,508 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:14:08,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-09-13 13:14:08,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-09-13 13:14:08,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-09-13 13:14:08,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-09-13 13:14:08,535 INFO L87 Difference]: Start difference. First operand has 650 states, 549 states have (on average 1.819672131147541) internal successors, (999), 649 states have internal predecessors, (999), 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 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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) [2021-09-13 13:15:20,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:24,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:28,869 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:15:39,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:03,244 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:05,350 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:08,623 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:12,099 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:14,240 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:30,999 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:33,150 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:47,278 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:16:54,121 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:17:03,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:17:06,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:17:08,346 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:17:16,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:17:18,812 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:17:20,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:17:20,548 INFO L93 Difference]: Finished difference Result 1625 states and 2602 transitions. [2021-09-13 13:17:20,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-09-13 13:17:20,549 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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) Word has length 14 [2021-09-13 13:17:20,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-13 13:17:20,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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) [2021-09-13 13:17:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2602 transitions. [2021-09-13 13:17:20,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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) [2021-09-13 13:17:20,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2602 transitions. [2021-09-13 13:17:20,622 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 2602 transitions. [2021-09-13 13:17:36,835 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2602 edges. 2602 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:17:36,959 INFO L225 Difference]: With dead ends: 1625 [2021-09-13 13:17:36,959 INFO L226 Difference]: Without dead ends: 968 [2021-09-13 13:17:36,964 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 116.28ms TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-09-13 13:17:36,966 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 707 mSDsluCounter, 1535 mSDsCounter, 0 mSdLazyCounter, 2877 mSolverCounterSat, 217 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 93145.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 49.02ms SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 2877 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 93567.45ms IncrementalHoareTripleChecker+Time [2021-09-13 13:17:36,967 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [707 Valid, 0 Invalid, 3099 Unknown, 0 Unchecked, 49.02ms Time], IncrementalHoareTripleChecker [217 Valid, 2877 Invalid, 5 Unknown, 0 Unchecked, 93567.45ms Time] [2021-09-13 13:17:36,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2021-09-13 13:17:37,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 770. [2021-09-13 13:17:37,039 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2021-09-13 13:17:37,044 INFO L82 GeneralOperation]: Start isEquivalent. First operand 968 states. Second operand has 770 states, 670 states have (on average 1.5417910447761194) internal successors, (1033), 769 states have internal predecessors, (1033), 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) [2021-09-13 13:17:37,046 INFO L74 IsIncluded]: Start isIncluded. First operand 968 states. Second operand has 770 states, 670 states have (on average 1.5417910447761194) internal successors, (1033), 769 states have internal predecessors, (1033), 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) [2021-09-13 13:17:37,047 INFO L87 Difference]: Start difference. First operand 968 states. Second operand has 770 states, 670 states have (on average 1.5417910447761194) internal successors, (1033), 769 states have internal predecessors, (1033), 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) [2021-09-13 13:17:37,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:17:37,099 INFO L93 Difference]: Finished difference Result 968 states and 1274 transitions. [2021-09-13 13:17:37,099 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1274 transitions. [2021-09-13 13:17:37,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 13:17:37,108 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 13:17:37,110 INFO L74 IsIncluded]: Start isIncluded. First operand has 770 states, 670 states have (on average 1.5417910447761194) internal successors, (1033), 769 states have internal predecessors, (1033), 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 968 states. [2021-09-13 13:17:37,112 INFO L87 Difference]: Start difference. First operand has 770 states, 670 states have (on average 1.5417910447761194) internal successors, (1033), 769 states have internal predecessors, (1033), 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 968 states. [2021-09-13 13:17:37,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-13 13:17:37,157 INFO L93 Difference]: Finished difference Result 968 states and 1274 transitions. [2021-09-13 13:17:37,157 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1274 transitions. [2021-09-13 13:17:37,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-13 13:17:37,159 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2021-09-13 13:17:37,159 INFO L88 GeneralOperation]: Finished isEquivalent. [2021-09-13 13:17:37,159 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2021-09-13 13:17:37,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 670 states have (on average 1.5417910447761194) internal successors, (1033), 769 states have internal predecessors, (1033), 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) [2021-09-13 13:17:37,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1033 transitions. [2021-09-13 13:17:37,193 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1033 transitions. Word has length 14 [2021-09-13 13:17:37,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-13 13:17:37,193 INFO L470 AbstractCegarLoop]: Abstraction has 770 states and 1033 transitions. [2021-09-13 13:17:37,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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) [2021-09-13 13:17:37,194 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1033 transitions. [2021-09-13 13:17:37,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-09-13 13:17:37,194 INFO L505 BasicCegarLoop]: Found error trace [2021-09-13 13:17:37,195 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-13 13:17:37,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-09-13 13:17:37,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-09-13 13:17:37,405 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-09-13 13:17:37,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-13 13:17:37,406 INFO L82 PathProgramCache]: Analyzing trace with hash 323636281, now seen corresponding path program 1 times [2021-09-13 13:17:37,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-09-13 13:17:37,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405725443] [2021-09-13 13:17:37,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-13 13:17:37,407 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-09-13 13:17:37,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-09-13 13:17:37,408 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-09-13 13:17:37,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-09-13 13:17:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:17:37,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-09-13 13:17:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-13 13:17:37,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-09-13 13:17:38,006 INFO L281 TraceCheckUtils]: 0: Hoare triple {5080#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2bv32);call write~init~intINTTYPE1(48bv8, #t~string0.base, #t~string0.offset, 1bv32);call write~init~intINTTYPE1(0bv8, #t~string0.base, ~bvadd32(1bv32, #t~string0.offset), 1bv32);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12bv32);~inputs~0 := ~inputs~0[0bv32 := 7bv32];~inputs~0 := ~inputs~0[1bv32 := 10bv32];~inputs~0 := ~inputs~0[2bv32 := 6bv32];~inputs~0 := ~inputs~0[3bv32 := 2bv32];~inputs~0 := ~inputs~0[4bv32 := 5bv32];~inputs~0 := ~inputs~0[5bv32 := 3bv32];~inputs~0 := ~inputs~0[6bv32 := 9bv32];~inputs~0 := ~inputs~0[7bv32 := 4bv32];~inputs~0 := ~inputs~0[8bv32 := 8bv32];~inputs~0 := ~inputs~0[9bv32 := 1bv32];~a589117628~0 := 34bv32;~a1290652559~0 := 4bv32;~a236788248~0 := 16bv32;~a1580522136~0 := 161bv32;~a45685611~0 := 11bv32;~a1889803145~0 := 118bv32;~a910748832~0 := 36bv32;~a471011792~0 := 10bv32;~a946891643~0 := 5bv32;~a665096794~0 := 11bv32;~a850881173~0 := 141bv32;~a2040628137~0 := 8bv32;~a583510163~0 := 77bv32;~a1859402009~0 := 14bv32;~a268371874~0 := 51bv32;~a837448621~0 := 32bv32;~a824024208~0 := 32bv32;~a1171576990~0 := 32bv32;~a1422023390~0 := 4294967292bv32;~a1605463015~0 := 9bv32;~a812175843~0 := 36bv32;~a890181220~0 := 32bv32;~a808219163~0 := 35bv32;~a1210734340~0 := 58bv32;~a1864015649~0 := 33bv32;~a1944090451~0 := 34bv32;~a412613099~0 := 4294967268bv32;~a2139179119~0 := 15bv32;~cf~0 := 1bv32;~a648283191~0 := 4294967188bv32;~a71064409~0 := 4294967128bv32;~a499699109~0 := 3bv32;~a1001390225~0 := 4294967272bv32;~a274381288~0 := 312bv32;~a1218264876~0 := 32bv32;~a1535937505~0 := 32bv32;~a1879373572~0 := 32bv32;~a2064844468~0 := 32bv32;~a182175502~0 := 7bv32;~a482477713~0 := 8bv32;~a44138666~0 := 36bv32;~a418218587~0 := 36bv32;~a621522874~0 := 131bv32;~a2083223046~0 := 35bv32;~a1179664392~0 := 33bv32;~a166920931~0 := 8bv32;~a1684594625~0 := 108bv32;~a1534902259~0 := 32bv32;~a430318312~0 := 3bv32;~a1821141922~0 := 35bv32;~a835102539~0 := 5bv32;~a2079503415~0 := 13bv32;~a1071924404~0 := 34bv32;~a2061255735~0 := 6bv32;~a2122722213~0 := 2bv32;~a552913881~0 := 520bv32;~a173429297~0 := 4294967261bv32;~a763506461~0 := 0bv32;~a635353122~0 := 1bv32;~a1075927325~0 := 0bv32;~a434613686~0 := 0bv32;~a95561532~0 := 0bv32;~a1487195600~0 := 1bv32;~a275262794~0 := 0bv32;~a273635060~0 := 1bv32;~a1221017635~0 := 0bv32;~a311962986~0 := 0bv32;~a2084484762~0 := 0bv32;~a460288454~0 := 0bv32;~a418880267~0 := 1bv32;~a1264277206~0 := 1bv32;~a1355501303~0 := 1bv32;~a547738254~0 := 0bv32;~a1515611838~0 := 0bv32;~a514396383~0 := 2bv32;~a1955344686~0 := 0bv32;~a220097023~0 := 1bv32;~a1053339053~0 := 2bv32;~a501521675~0 := 3bv32;~a487646776~0 := 2bv32;~a1716545843~0 := 0bv32;~a51415461~0 := 3bv32;~a1425431969~0 := 2bv32;~a416125995~0 := 3bv32;~a1498331231~0 := 1bv32;~a1148381820~0 := 2bv32;~a838736370~0 := 2bv32;~a834109496~0 := 3bv32;~a1859169403~0 := 0bv32;~a1743588795~0 := 1bv32;~a112204540~0 := 3bv32;~a1347184625~0 := 1bv32; {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,007 INFO L281 TraceCheckUtils]: 1: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} havoc main_#res;havoc main_#t~nondet269, main_~input~0; {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,008 INFO L281 TraceCheckUtils]: 2: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume !false;havoc main_~input~0;main_~input~0 := main_#t~nondet269;havoc main_#t~nondet269; {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,008 INFO L281 TraceCheckUtils]: 3: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume !(((((((((7bv32 != main_~input~0 && 10bv32 != main_~input~0) && 6bv32 != main_~input~0) && 2bv32 != main_~input~0) && 5bv32 != main_~input~0) && 3bv32 != main_~input~0) && 9bv32 != main_~input~0) && 4bv32 != main_~input~0) && 8bv32 != main_~input~0) && 1bv32 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input;~cf~0 := 1bv32; {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,009 INFO L281 TraceCheckUtils]: 4: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume !(~bvsle32(~a850881173~0, 37bv32) && (((~bvsle32(~a1210734340~0, 17bv32) && (1bv32 == ~cf~0 && 5bv32 == ~a471011792~0) && ~bvsle32(~a1001390225~0, 4294967150bv32)) && 33bv32 == ~a1879373572~0) && 10bv32 == ~a665096794~0) && 33bv32 == ~a837448621~0); {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,009 INFO L281 TraceCheckUtils]: 5: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume !(((~bvslt32(28bv32, ~a268371874~0) && ~bvsge32(76bv32, ~a268371874~0)) && 6bv32 == ~a2061255735~0 && ((7bv32 == ~a182175502~0 && 32bv32 == ~a837448621~0) && 32bv32 == ~a1879373572~0) && 32bv32 == ~a1171576990~0) && 6bv32 == ~a471011792~0 && 1bv32 == ~cf~0); {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,009 INFO L281 TraceCheckUtils]: 6: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume !(((7bv32 == ~a2061255735~0 && (7bv32 == ~a471011792~0 && 1bv32 == ~cf~0) && 5bv32 == ~a1290652559~0) && 12bv32 == ~a665096794~0) && (9bv32 == ~a2040628137~0 && 34bv32 == ~a1879373572~0) && ~bvslt32(51bv32, ~a1001390225~0) && ~bvsge32(148bv32, ~a1001390225~0)); {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,010 INFO L281 TraceCheckUtils]: 7: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume !((~bvsle32(~a412613099~0, 4294967152bv32) && 3bv32 == ~a1290652559~0 && 6bv32 == ~a182175502~0) && (33bv32 == ~a1534902259~0 && 5bv32 == ~a2061255735~0 && 1bv32 == ~cf~0 && 8bv32 == ~a471011792~0) && 33bv32 == ~a2064844468~0); {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,010 INFO L281 TraceCheckUtils]: 8: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume !(((33bv32 == ~a1534902259~0 && 33bv32 == ~a1171576990~0 && 33bv32 == ~a890181220~0) && 10bv32 == ~a665096794~0) && 5bv32 == ~a2061255735~0 && (9bv32 == ~a471011792~0 && 1bv32 == ~cf~0) && ~bvsle32(~a268371874~0, 28bv32)); {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,011 INFO L281 TraceCheckUtils]: 9: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume (4bv32 == ~a1290652559~0 && 32bv32 == ~a1171576990~0 && ~bvslt32(37bv32, ~a850881173~0) && ~bvsge32(184bv32, ~a850881173~0)) && (32bv32 == ~a2064844468~0 && (~bvslt32(8bv32, ~a583510163~0) && ~bvsge32(150bv32, ~a583510163~0)) && 10bv32 == ~a471011792~0 && 1bv32 == ~cf~0) && 8bv32 == ~a2040628137~0; {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,011 INFO L281 TraceCheckUtils]: 10: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume !((32bv32 == ~a837448621~0 && (8bv32 == ~a2040628137~0 && 7bv32 == ~a182175502~0 && ~bvslt32(37bv32, ~a850881173~0) && ~bvsge32(184bv32, ~a850881173~0)) && 5bv32 == ~a835102539~0) && (~bvslt32(17bv32, ~a1210734340~0) && ~bvsge32(187bv32, ~a1210734340~0)) && 1bv32 == ~cf~0 && ~bvslt32(383bv32, ~a552913881~0) && ~bvsge32(501bv32, ~a552913881~0)); {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,011 INFO L281 TraceCheckUtils]: 11: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume ((32bv32 == ~a1171576990~0 && ~bvslt32(501bv32, ~a552913881~0) && 1bv32 == ~cf~0) && 4bv32 == ~a1290652559~0) && 32bv32 == ~a1879373572~0 && ((~bvslt32(8bv32, ~a583510163~0) && ~bvsge32(150bv32, ~a583510163~0)) && ~bvslt32(37bv32, ~a850881173~0) && ~bvsge32(184bv32, ~a850881173~0)) && 8bv32 == ~a2040628137~0;calculate_outputm33_#in~input := calculate_output_~input;havoc calculate_outputm33_~input;calculate_outputm33_~input := calculate_outputm33_#in~input; {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,012 INFO L281 TraceCheckUtils]: 12: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume !((5bv32 == ~a835102539~0 && (~bvslt32(4294967152bv32, ~a412613099~0) && ~bvsge32(4294967278bv32, ~a412613099~0)) && 6bv32 == ~a2061255735~0) && (32bv32 == ~a890181220~0 && (1bv32 == ~cf~0 && ~bvslt32(80bv32, ~a274381288~0) && ~bvsge32(206bv32, ~a274381288~0)) && ~bvslt32(8bv32, ~a583510163~0) && ~bvsge32(150bv32, ~a583510163~0)) && 8bv32 == ~a2040628137~0); {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,012 INFO L281 TraceCheckUtils]: 13: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume (32bv32 == ~a1534902259~0 && 32bv32 == ~a1879373572~0 && ~bvslt32(28bv32, ~a268371874~0) && ~bvsge32(76bv32, ~a268371874~0)) && (5bv32 == ~a835102539~0 && 32bv32 == ~a1171576990~0 && ~bvslt32(301bv32, ~a274381288~0) && 1bv32 == ~cf~0) && 32bv32 == ~a890181220~0;calculate_outputm140_#in~input := calculate_outputm33_~input;havoc calculate_outputm140_#t~ite219, calculate_outputm140_~input;calculate_outputm140_~input := calculate_outputm140_#in~input; {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,013 INFO L281 TraceCheckUtils]: 14: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume (32bv32 == ~a2064844468~0 && (6bv32 == calculate_outputm140_~input && 1bv32 == ~cf~0) && 32bv32 == ~a1534902259~0) && (((~bvslt32(4294967150bv32, ~a1001390225~0) && ~bvsge32(51bv32, ~a1001390225~0)) && 32bv32 == ~a837448621~0) && 32bv32 == ~a1171576990~0) && 6bv32 == ~a2061255735~0;~cf~0 := 0bv32;~a2040628137~0 := ~bvadd32(4294967267bv32, ~bvmul32(~a2061255735~0, ~a2061255735~0));~a471011792~0 := ~bvsub32(~bvsdiv32(~a665096794~0, ~a1290652559~0), 4294967290bv32);~a1171576990~0 := 33bv32;~a850881173~0 := ~bvadd32(4294951980bv32, ~bvsub32(~bvsub32(~bvadd32(4294938308bv32, ~bvsrem32(~bvmul32(~a268371874~0, ~a274381288~0), 14999bv32)), 7bv32), 4294939943bv32));~a890181220~0 := 33bv32;~a665096794~0 := ~bvadd32(3bv32, ~a2040628137~0);~a71064409~0 := ~bvadd32(24bv32, ~bvsrem32(~bvadd32(4294960467bv32, ~bvmul32(2bv32, ~bvadd32(11419bv32, ~bvmul32(~a583510163~0, ~a412613099~0)))), 101bv32));~a1290652559~0 := ~bvsub32(~bvsdiv32(~a2040628137~0, ~a471011792~0), 4294967293bv32);~a1179664392~0 := 34bv32;~a1210734340~0 := ~bvadd32(4294967288bv32, ~bvsub32(~bvadd32(4462bv32, ~bvsrem32(~bvmul32(~a850881173~0, ~a552913881~0), 14999bv32)), 19446bv32));~a1534902259~0 := 33bv32;~a412613099~0 := ~bvsdiv32(~bvmul32(10bv32, ~bvsdiv32(~bvsdiv32(~bvmul32(4294967294bv32, ~bvmul32(~a268371874~0, ~a268371874~0)), 10bv32), 5bv32)), 2bv32);~a182175502~0 := ~bvsub32(~a471011792~0, 2bv32);~a835102539~0 := ~bvsub32(~bvsub32(~a665096794~0, ~a1290652559~0), 3bv32);~a837448621~0 := 33bv32;~a1879373572~0 := 33bv32;~a2061255735~0 := ~bvsub32(~a2040628137~0, 2bv32);~a2064844468~0 := 33bv32;~a1001390225~0 := ~bvadd32(4294950623bv32, ~bvmul32(~a1001390225~0, ~a268371874~0));~a268371874~0 := ~bvsdiv32(~bvsub32(~bvsub32(~bvsrem32(~bvmul32(~a268371874~0, ~a1001390225~0), 14999bv32), 4294951244bv32), 19425bv32), 5bv32); {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,013 INFO L281 TraceCheckUtils]: 15: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume !((((1bv32 == ~cf~0 && 8bv32 == calculate_outputm140_~input) && 8bv32 == ~a2040628137~0) && 32bv32 == ~a1171576990~0) && 6bv32 == ~a2061255735~0 && (32bv32 == ~a2064844468~0 && ~bvslt32(4294967150bv32, ~a1001390225~0) && ~bvsge32(51bv32, ~a1001390225~0)) && ~bvslt32(8bv32, ~a583510163~0) && ~bvsge32(150bv32, ~a583510163~0)); {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,013 INFO L281 TraceCheckUtils]: 16: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume !((((1bv32 == ~cf~0 && 11bv32 == ~a471011792~0) && ~bvslt32(28bv32, ~a268371874~0) && ~bvsge32(76bv32, ~a268371874~0)) && 32bv32 == ~a1171576990~0) && 32bv32 == ~a1534902259~0 && ((~bvslt32(17bv32, ~a1210734340~0) && ~bvsge32(187bv32, ~a1210734340~0)) && 32bv32 == ~a2064844468~0) && 7bv32 == ~a182175502~0); {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,014 INFO L281 TraceCheckUtils]: 17: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume !(((~bvslt32(8bv32, ~a583510163~0) && ~bvsge32(150bv32, ~a583510163~0)) && 32bv32 == ~a1534902259~0) && ((32bv32 == ~a890181220~0 && (1bv32 == ~cf~0 && 12bv32 == ~a471011792~0) && ~bvslt32(28bv32, ~a268371874~0) && ~bvsge32(76bv32, ~a268371874~0)) && 4bv32 == ~a1290652559~0) && 32bv32 == ~a1879373572~0); {5085#(= ~a621522874~0 (_ bv131 32))} is VALID [2021-09-13 13:17:38,014 INFO L281 TraceCheckUtils]: 18: Hoare triple {5085#(= ~a621522874~0 (_ bv131 32))} assume (33bv32 == ~a824024208~0 && ~bvslt32(330bv32, ~a621522874~0) && ~bvsge32(523bv32, ~a621522874~0)) && 11bv32 == ~a471011792~0;~cf~0 := 0bv32; {5081#false} is VALID [2021-09-13 13:17:38,014 INFO L281 TraceCheckUtils]: 19: Hoare triple {5081#false} assume !false; {5081#false} is VALID [2021-09-13 13:17:38,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 13:17:38,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-09-13 13:17:38,303 INFO L281 TraceCheckUtils]: 19: Hoare triple {5081#false} assume !false; {5081#false} is VALID [2021-09-13 13:17:38,304 INFO L281 TraceCheckUtils]: 18: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume (33bv32 == ~a824024208~0 && ~bvslt32(330bv32, ~a621522874~0) && ~bvsge32(523bv32, ~a621522874~0)) && 11bv32 == ~a471011792~0;~cf~0 := 0bv32; {5081#false} is VALID [2021-09-13 13:17:38,311 INFO L281 TraceCheckUtils]: 17: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume !(((~bvslt32(8bv32, ~a583510163~0) && ~bvsge32(150bv32, ~a583510163~0)) && 32bv32 == ~a1534902259~0) && ((32bv32 == ~a890181220~0 && (1bv32 == ~cf~0 && 12bv32 == ~a471011792~0) && ~bvslt32(28bv32, ~a268371874~0) && ~bvsge32(76bv32, ~a268371874~0)) && 4bv32 == ~a1290652559~0) && 32bv32 == ~a1879373572~0); {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,312 INFO L281 TraceCheckUtils]: 16: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume !((((1bv32 == ~cf~0 && 11bv32 == ~a471011792~0) && ~bvslt32(28bv32, ~a268371874~0) && ~bvsge32(76bv32, ~a268371874~0)) && 32bv32 == ~a1171576990~0) && 32bv32 == ~a1534902259~0 && ((~bvslt32(17bv32, ~a1210734340~0) && ~bvsge32(187bv32, ~a1210734340~0)) && 32bv32 == ~a2064844468~0) && 7bv32 == ~a182175502~0); {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,312 INFO L281 TraceCheckUtils]: 15: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume !((((1bv32 == ~cf~0 && 8bv32 == calculate_outputm140_~input) && 8bv32 == ~a2040628137~0) && 32bv32 == ~a1171576990~0) && 6bv32 == ~a2061255735~0 && (32bv32 == ~a2064844468~0 && ~bvslt32(4294967150bv32, ~a1001390225~0) && ~bvsge32(51bv32, ~a1001390225~0)) && ~bvslt32(8bv32, ~a583510163~0) && ~bvsge32(150bv32, ~a583510163~0)); {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,313 INFO L281 TraceCheckUtils]: 14: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume (32bv32 == ~a2064844468~0 && (6bv32 == calculate_outputm140_~input && 1bv32 == ~cf~0) && 32bv32 == ~a1534902259~0) && (((~bvslt32(4294967150bv32, ~a1001390225~0) && ~bvsge32(51bv32, ~a1001390225~0)) && 32bv32 == ~a837448621~0) && 32bv32 == ~a1171576990~0) && 6bv32 == ~a2061255735~0;~cf~0 := 0bv32;~a2040628137~0 := ~bvadd32(4294967267bv32, ~bvmul32(~a2061255735~0, ~a2061255735~0));~a471011792~0 := ~bvsub32(~bvsdiv32(~a665096794~0, ~a1290652559~0), 4294967290bv32);~a1171576990~0 := 33bv32;~a850881173~0 := ~bvadd32(4294951980bv32, ~bvsub32(~bvsub32(~bvadd32(4294938308bv32, ~bvsrem32(~bvmul32(~a268371874~0, ~a274381288~0), 14999bv32)), 7bv32), 4294939943bv32));~a890181220~0 := 33bv32;~a665096794~0 := ~bvadd32(3bv32, ~a2040628137~0);~a71064409~0 := ~bvadd32(24bv32, ~bvsrem32(~bvadd32(4294960467bv32, ~bvmul32(2bv32, ~bvadd32(11419bv32, ~bvmul32(~a583510163~0, ~a412613099~0)))), 101bv32));~a1290652559~0 := ~bvsub32(~bvsdiv32(~a2040628137~0, ~a471011792~0), 4294967293bv32);~a1179664392~0 := 34bv32;~a1210734340~0 := ~bvadd32(4294967288bv32, ~bvsub32(~bvadd32(4462bv32, ~bvsrem32(~bvmul32(~a850881173~0, ~a552913881~0), 14999bv32)), 19446bv32));~a1534902259~0 := 33bv32;~a412613099~0 := ~bvsdiv32(~bvmul32(10bv32, ~bvsdiv32(~bvsdiv32(~bvmul32(4294967294bv32, ~bvmul32(~a268371874~0, ~a268371874~0)), 10bv32), 5bv32)), 2bv32);~a182175502~0 := ~bvsub32(~a471011792~0, 2bv32);~a835102539~0 := ~bvsub32(~bvsub32(~a665096794~0, ~a1290652559~0), 3bv32);~a837448621~0 := 33bv32;~a1879373572~0 := 33bv32;~a2061255735~0 := ~bvsub32(~a2040628137~0, 2bv32);~a2064844468~0 := 33bv32;~a1001390225~0 := ~bvadd32(4294950623bv32, ~bvmul32(~a1001390225~0, ~a268371874~0));~a268371874~0 := ~bvsdiv32(~bvsub32(~bvsub32(~bvsrem32(~bvmul32(~a268371874~0, ~a1001390225~0), 14999bv32), 4294951244bv32), 19425bv32), 5bv32); {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,313 INFO L281 TraceCheckUtils]: 13: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume (32bv32 == ~a1534902259~0 && 32bv32 == ~a1879373572~0 && ~bvslt32(28bv32, ~a268371874~0) && ~bvsge32(76bv32, ~a268371874~0)) && (5bv32 == ~a835102539~0 && 32bv32 == ~a1171576990~0 && ~bvslt32(301bv32, ~a274381288~0) && 1bv32 == ~cf~0) && 32bv32 == ~a890181220~0;calculate_outputm140_#in~input := calculate_outputm33_~input;havoc calculate_outputm140_#t~ite219, calculate_outputm140_~input;calculate_outputm140_~input := calculate_outputm140_#in~input; {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,314 INFO L281 TraceCheckUtils]: 12: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume !((5bv32 == ~a835102539~0 && (~bvslt32(4294967152bv32, ~a412613099~0) && ~bvsge32(4294967278bv32, ~a412613099~0)) && 6bv32 == ~a2061255735~0) && (32bv32 == ~a890181220~0 && (1bv32 == ~cf~0 && ~bvslt32(80bv32, ~a274381288~0) && ~bvsge32(206bv32, ~a274381288~0)) && ~bvslt32(8bv32, ~a583510163~0) && ~bvsge32(150bv32, ~a583510163~0)) && 8bv32 == ~a2040628137~0); {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,314 INFO L281 TraceCheckUtils]: 11: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume ((32bv32 == ~a1171576990~0 && ~bvslt32(501bv32, ~a552913881~0) && 1bv32 == ~cf~0) && 4bv32 == ~a1290652559~0) && 32bv32 == ~a1879373572~0 && ((~bvslt32(8bv32, ~a583510163~0) && ~bvsge32(150bv32, ~a583510163~0)) && ~bvslt32(37bv32, ~a850881173~0) && ~bvsge32(184bv32, ~a850881173~0)) && 8bv32 == ~a2040628137~0;calculate_outputm33_#in~input := calculate_output_~input;havoc calculate_outputm33_~input;calculate_outputm33_~input := calculate_outputm33_#in~input; {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,315 INFO L281 TraceCheckUtils]: 10: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume !((32bv32 == ~a837448621~0 && (8bv32 == ~a2040628137~0 && 7bv32 == ~a182175502~0 && ~bvslt32(37bv32, ~a850881173~0) && ~bvsge32(184bv32, ~a850881173~0)) && 5bv32 == ~a835102539~0) && (~bvslt32(17bv32, ~a1210734340~0) && ~bvsge32(187bv32, ~a1210734340~0)) && 1bv32 == ~cf~0 && ~bvslt32(383bv32, ~a552913881~0) && ~bvsge32(501bv32, ~a552913881~0)); {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,315 INFO L281 TraceCheckUtils]: 9: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume (4bv32 == ~a1290652559~0 && 32bv32 == ~a1171576990~0 && ~bvslt32(37bv32, ~a850881173~0) && ~bvsge32(184bv32, ~a850881173~0)) && (32bv32 == ~a2064844468~0 && (~bvslt32(8bv32, ~a583510163~0) && ~bvsge32(150bv32, ~a583510163~0)) && 10bv32 == ~a471011792~0 && 1bv32 == ~cf~0) && 8bv32 == ~a2040628137~0; {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,316 INFO L281 TraceCheckUtils]: 8: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume !(((33bv32 == ~a1534902259~0 && 33bv32 == ~a1171576990~0 && 33bv32 == ~a890181220~0) && 10bv32 == ~a665096794~0) && 5bv32 == ~a2061255735~0 && (9bv32 == ~a471011792~0 && 1bv32 == ~cf~0) && ~bvsle32(~a268371874~0, 28bv32)); {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,316 INFO L281 TraceCheckUtils]: 7: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume !((~bvsle32(~a412613099~0, 4294967152bv32) && 3bv32 == ~a1290652559~0 && 6bv32 == ~a182175502~0) && (33bv32 == ~a1534902259~0 && 5bv32 == ~a2061255735~0 && 1bv32 == ~cf~0 && 8bv32 == ~a471011792~0) && 33bv32 == ~a2064844468~0); {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,316 INFO L281 TraceCheckUtils]: 6: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume !(((7bv32 == ~a2061255735~0 && (7bv32 == ~a471011792~0 && 1bv32 == ~cf~0) && 5bv32 == ~a1290652559~0) && 12bv32 == ~a665096794~0) && (9bv32 == ~a2040628137~0 && 34bv32 == ~a1879373572~0) && ~bvslt32(51bv32, ~a1001390225~0) && ~bvsge32(148bv32, ~a1001390225~0)); {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,317 INFO L281 TraceCheckUtils]: 5: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume !(((~bvslt32(28bv32, ~a268371874~0) && ~bvsge32(76bv32, ~a268371874~0)) && 6bv32 == ~a2061255735~0 && ((7bv32 == ~a182175502~0 && 32bv32 == ~a837448621~0) && 32bv32 == ~a1879373572~0) && 32bv32 == ~a1171576990~0) && 6bv32 == ~a471011792~0 && 1bv32 == ~cf~0); {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,318 INFO L281 TraceCheckUtils]: 4: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume !(~bvsle32(~a850881173~0, 37bv32) && (((~bvsle32(~a1210734340~0, 17bv32) && (1bv32 == ~cf~0 && 5bv32 == ~a471011792~0) && ~bvsle32(~a1001390225~0, 4294967150bv32)) && 33bv32 == ~a1879373572~0) && 10bv32 == ~a665096794~0) && 33bv32 == ~a837448621~0); {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,318 INFO L281 TraceCheckUtils]: 3: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume !(((((((((7bv32 != main_~input~0 && 10bv32 != main_~input~0) && 6bv32 != main_~input~0) && 2bv32 != main_~input~0) && 5bv32 != main_~input~0) && 3bv32 != main_~input~0) && 9bv32 != main_~input~0) && 4bv32 != main_~input~0) && 8bv32 != main_~input~0) && 1bv32 != main_~input~0);calculate_output_#in~input := main_~input~0;havoc calculate_output_~input;calculate_output_~input := calculate_output_#in~input;~cf~0 := 1bv32; {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,318 INFO L281 TraceCheckUtils]: 2: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} assume !false;havoc main_~input~0;main_~input~0 := main_#t~nondet269;havoc main_#t~nondet269; {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,319 INFO L281 TraceCheckUtils]: 1: Hoare triple {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} havoc main_#res;havoc main_#t~nondet269, main_~input~0; {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,321 INFO L281 TraceCheckUtils]: 0: Hoare triple {5080#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2bv32);call write~init~intINTTYPE1(48bv8, #t~string0.base, #t~string0.offset, 1bv32);call write~init~intINTTYPE1(0bv8, #t~string0.base, ~bvadd32(1bv32, #t~string0.offset), 1bv32);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12bv32);~inputs~0 := ~inputs~0[0bv32 := 7bv32];~inputs~0 := ~inputs~0[1bv32 := 10bv32];~inputs~0 := ~inputs~0[2bv32 := 6bv32];~inputs~0 := ~inputs~0[3bv32 := 2bv32];~inputs~0 := ~inputs~0[4bv32 := 5bv32];~inputs~0 := ~inputs~0[5bv32 := 3bv32];~inputs~0 := ~inputs~0[6bv32 := 9bv32];~inputs~0 := ~inputs~0[7bv32 := 4bv32];~inputs~0 := ~inputs~0[8bv32 := 8bv32];~inputs~0 := ~inputs~0[9bv32 := 1bv32];~a589117628~0 := 34bv32;~a1290652559~0 := 4bv32;~a236788248~0 := 16bv32;~a1580522136~0 := 161bv32;~a45685611~0 := 11bv32;~a1889803145~0 := 118bv32;~a910748832~0 := 36bv32;~a471011792~0 := 10bv32;~a946891643~0 := 5bv32;~a665096794~0 := 11bv32;~a850881173~0 := 141bv32;~a2040628137~0 := 8bv32;~a583510163~0 := 77bv32;~a1859402009~0 := 14bv32;~a268371874~0 := 51bv32;~a837448621~0 := 32bv32;~a824024208~0 := 32bv32;~a1171576990~0 := 32bv32;~a1422023390~0 := 4294967292bv32;~a1605463015~0 := 9bv32;~a812175843~0 := 36bv32;~a890181220~0 := 32bv32;~a808219163~0 := 35bv32;~a1210734340~0 := 58bv32;~a1864015649~0 := 33bv32;~a1944090451~0 := 34bv32;~a412613099~0 := 4294967268bv32;~a2139179119~0 := 15bv32;~cf~0 := 1bv32;~a648283191~0 := 4294967188bv32;~a71064409~0 := 4294967128bv32;~a499699109~0 := 3bv32;~a1001390225~0 := 4294967272bv32;~a274381288~0 := 312bv32;~a1218264876~0 := 32bv32;~a1535937505~0 := 32bv32;~a1879373572~0 := 32bv32;~a2064844468~0 := 32bv32;~a182175502~0 := 7bv32;~a482477713~0 := 8bv32;~a44138666~0 := 36bv32;~a418218587~0 := 36bv32;~a621522874~0 := 131bv32;~a2083223046~0 := 35bv32;~a1179664392~0 := 33bv32;~a166920931~0 := 8bv32;~a1684594625~0 := 108bv32;~a1534902259~0 := 32bv32;~a430318312~0 := 3bv32;~a1821141922~0 := 35bv32;~a835102539~0 := 5bv32;~a2079503415~0 := 13bv32;~a1071924404~0 := 34bv32;~a2061255735~0 := 6bv32;~a2122722213~0 := 2bv32;~a552913881~0 := 520bv32;~a173429297~0 := 4294967261bv32;~a763506461~0 := 0bv32;~a635353122~0 := 1bv32;~a1075927325~0 := 0bv32;~a434613686~0 := 0bv32;~a95561532~0 := 0bv32;~a1487195600~0 := 1bv32;~a275262794~0 := 0bv32;~a273635060~0 := 1bv32;~a1221017635~0 := 0bv32;~a311962986~0 := 0bv32;~a2084484762~0 := 0bv32;~a460288454~0 := 0bv32;~a418880267~0 := 1bv32;~a1264277206~0 := 1bv32;~a1355501303~0 := 1bv32;~a547738254~0 := 0bv32;~a1515611838~0 := 0bv32;~a514396383~0 := 2bv32;~a1955344686~0 := 0bv32;~a220097023~0 := 1bv32;~a1053339053~0 := 2bv32;~a501521675~0 := 3bv32;~a487646776~0 := 2bv32;~a1716545843~0 := 0bv32;~a51415461~0 := 3bv32;~a1425431969~0 := 2bv32;~a416125995~0 := 3bv32;~a1498331231~0 := 1bv32;~a1148381820~0 := 2bv32;~a838736370~0 := 2bv32;~a834109496~0 := 3bv32;~a1859169403~0 := 0bv32;~a1743588795~0 := 1bv32;~a112204540~0 := 3bv32;~a1347184625~0 := 1bv32; {5146#(not (bvslt (_ bv330 32) ~a621522874~0))} is VALID [2021-09-13 13:17:38,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-13 13:17:38,322 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-09-13 13:17:38,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1405725443] [2021-09-13 13:17:38,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1405725443] provided 2 perfect and 0 imperfect interpolant sequences [2021-09-13 13:17:38,323 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-09-13 13:17:38,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-09-13 13:17:38,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629373719] [2021-09-13 13:17:38,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 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 20 [2021-09-13 13:17:38,325 INFO L84 Accepts]: Finished accepts. word is accepted. [2021-09-13 13:17:38,325 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 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) [2021-09-13 13:17:38,713 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2021-09-13 13:17:38,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-09-13 13:17:38,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-09-13 13:17:38,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-09-13 13:17:38,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-09-13 13:17:38,714 INFO L87 Difference]: Start difference. First operand 770 states and 1033 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 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) [2021-09-13 13:17:48,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:18:19,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:18:27,606 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:18:40,672 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:18:54,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:18:58,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:19:00,170 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-09-13 13:19:00,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-09-13 13:19:00,250 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.48ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-09-13 13:19:00,251 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 1861 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36703.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1861 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.51ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36719.48ms IncrementalHoareTripleChecker+Time [2021-09-13 13:19:00,252 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [1861 Valid, 0 Invalid, 1573 Unknown, 0 Unchecked, 30.51ms Time], IncrementalHoareTripleChecker [22 Valid, 1550 Invalid, 1 Unknown, 0 Unchecked, 36719.48ms Time] [2021-09-13 13:19:00,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-09-13 13:19:00,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-09-13 13:19:00,467 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@3cc99299 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:182) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.checkInternal(MonolithicHoareTripleChecker.java:91) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ReviewedProtectedHtc.reviewInductiveInternal(ChainingHoareTripleChecker.java:318) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ReviewedProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:290) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:863) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:779) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-09-13 13:19:00,471 INFO L158 Benchmark]: Toolchain (without parser) took 296416.03ms. Allocated memory was 58.7MB in the beginning and 205.5MB in the end (delta: 146.8MB). Free memory was 31.3MB in the beginning and 49.4MB in the end (delta: -18.2MB). Peak memory consumption was 135.7MB. Max. memory is 16.1GB. [2021-09-13 13:19:00,472 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-09-13 13:19:00,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1296.77ms. Allocated memory was 58.7MB in the beginning and 92.3MB in the end (delta: 33.6MB). Free memory was 31.0MB in the beginning and 51.9MB in the end (delta: -20.9MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2021-09-13 13:19:00,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 199.36ms. Allocated memory is still 92.3MB. Free memory was 51.9MB in the beginning and 50.9MB in the end (delta: 1.0MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2021-09-13 13:19:00,475 INFO L158 Benchmark]: Boogie Preprocessor took 115.90ms. Allocated memory is still 92.3MB. Free memory was 50.9MB in the beginning and 36.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-09-13 13:19:00,475 INFO L158 Benchmark]: RCFGBuilder took 1065.85ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 36.2MB in the beginning and 86.2MB in the end (delta: -50.0MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2021-09-13 13:19:00,476 INFO L158 Benchmark]: TraceAbstraction took 293730.69ms. Allocated memory was 134.2MB in the beginning and 205.5MB in the end (delta: 71.3MB). Free memory was 86.2MB in the beginning and 49.4MB in the end (delta: 36.7MB). Peak memory consumption was 116.4MB. Max. memory is 16.1GB. [2021-09-13 13:19:00,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1296.77ms. Allocated memory was 58.7MB in the beginning and 92.3MB in the end (delta: 33.6MB). Free memory was 31.0MB in the beginning and 51.9MB in the end (delta: -20.9MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 199.36ms. Allocated memory is still 92.3MB. Free memory was 51.9MB in the beginning and 50.9MB in the end (delta: 1.0MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.90ms. Allocated memory is still 92.3MB. Free memory was 50.9MB in the beginning and 36.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1065.85ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 36.2MB in the beginning and 86.2MB in the end (delta: -50.0MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * TraceAbstraction took 293730.69ms. Allocated memory was 134.2MB in the beginning and 205.5MB in the end (delta: 71.3MB). Free memory was 86.2MB in the beginning and 49.4MB in the end (delta: 36.7MB). Peak memory consumption was 116.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@3cc99299 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@3cc99299: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-09-13 13:19:00,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...