./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f68564f44f9631930b25a13255f1efcd8f237d0da80cb5fdaa485133dbd9dd9f ....................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:40:36,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:40:36,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:40:36,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:40:36,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:40:36,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:40:36,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:40:36,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:40:36,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:40:36,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:40:36,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:40:36,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:40:36,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:40:36,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:40:36,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:40:36,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:40:36,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:40:36,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:40:36,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:40:36,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:40:36,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:40:36,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:40:36,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:40:36,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:40:36,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:40:36,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:40:36,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:40:36,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:40:36,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:40:36,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:40:36,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:40:36,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:40:36,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:40:36,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:40:36,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:40:36,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:40:36,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:40:36,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:40:36,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:40:36,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:40:36,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:40:36,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:40:36,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:40:36,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:40:36,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:40:36,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:40:36,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:40:36,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:40:36,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:40:36,624 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:40:36,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:40:36,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:40:36,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:40:36,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:40:36,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:40:36,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:40:36,626 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:40:36,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:40:36,627 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:40:36,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:40:36,627 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:40:36,628 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:40:36,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:40:36,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:40:36,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:40:36,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:40:36,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:40:36,629 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:40:36,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:40:36,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:40:36,630 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f68564f44f9631930b25a13255f1efcd8f237d0da80cb5fdaa485133dbd9dd9f [2021-10-29 03:40:36,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:40:36,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:40:36,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:40:36,937 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:40:36,938 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:40:36,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2021-10-29 03:40:37,018 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI/data/4b84308d3/89518ee6ea164980981ceffa1d16988e/FLAGbfeab79e6 [2021-10-29 03:40:37,571 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:40:37,572 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2021-10-29 03:40:37,607 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI/data/4b84308d3/89518ee6ea164980981ceffa1d16988e/FLAGbfeab79e6 [2021-10-29 03:40:37,863 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI/data/4b84308d3/89518ee6ea164980981ceffa1d16988e [2021-10-29 03:40:37,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:40:37,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:40:37,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:40:37,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:40:37,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:40:37,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:40:37" (1/1) ... [2021-10-29 03:40:37,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1acdc03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:37, skipping insertion in model container [2021-10-29 03:40:37,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:40:37" (1/1) ... [2021-10-29 03:40:37,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:40:37,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:40:38,442 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] [2021-10-29 03:40:38,477 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] [2021-10-29 03:40:38,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:40:38,510 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:40:38,689 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] [2021-10-29 03:40:38,717 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] [2021-10-29 03:40:38,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:40:38,744 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:40:38,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:38 WrapperNode [2021-10-29 03:40:38,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:40:38,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:40:38,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:40:38,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:40:38,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:38" (1/1) ... [2021-10-29 03:40:38,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:38" (1/1) ... [2021-10-29 03:40:38,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:40:38,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:40:38,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:40:38,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:40:38,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:38" (1/1) ... [2021-10-29 03:40:38,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:38" (1/1) ... [2021-10-29 03:40:38,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:38" (1/1) ... [2021-10-29 03:40:38,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:38" (1/1) ... [2021-10-29 03:40:38,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:38" (1/1) ... [2021-10-29 03:40:38,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:38" (1/1) ... [2021-10-29 03:40:38,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:38" (1/1) ... [2021-10-29 03:40:38,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:40:38,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:40:38,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:40:38,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:40:38,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:40:38" (1/1) ... [2021-10-29 03:40:38,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:40:38,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:40:39,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:40:39,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:40:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:40:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:40:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:40:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:40:40,511 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:40:40,512 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-29 03:40:40,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:40:40 BoogieIcfgContainer [2021-10-29 03:40:40,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:40:40,517 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:40:40,517 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:40:40,528 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:40:40,528 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:40:40" (1/1) ... [2021-10-29 03:40:40,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:40:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:40,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 245 states and 480 transitions. [2021-10-29 03:40:40,600 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 480 transitions. [2021-10-29 03:40:40,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-29 03:40:40,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:40,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:41,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:41,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:41,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 247 states and 481 transitions. [2021-10-29 03:40:41,652 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 481 transitions. [2021-10-29 03:40:41,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-29 03:40:41,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:41,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:41,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:42,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:42,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 250 states and 484 transitions. [2021-10-29 03:40:42,126 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 484 transitions. [2021-10-29 03:40:42,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-10-29 03:40:42,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:42,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:42,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:42,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:42,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 253 states and 489 transitions. [2021-10-29 03:40:42,731 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 489 transitions. [2021-10-29 03:40:42,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-10-29 03:40:42,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:42,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:42,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:43,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:43,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 255 states and 491 transitions. [2021-10-29 03:40:43,596 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 491 transitions. [2021-10-29 03:40:43,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-10-29 03:40:43,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:43,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:44,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:46,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:46,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 361 states and 735 transitions. [2021-10-29 03:40:46,018 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 735 transitions. [2021-10-29 03:40:46,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-10-29 03:40:46,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:46,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:46,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:40:46,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:46,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 360 states and 733 transitions. [2021-10-29 03:40:46,417 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 733 transitions. [2021-10-29 03:40:46,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-29 03:40:46,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:46,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:40:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:46,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 353 states and 724 transitions. [2021-10-29 03:40:46,807 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 724 transitions. [2021-10-29 03:40:46,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-10-29 03:40:46,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:46,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:48,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:40:55,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:55,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 380 states and 785 transitions. [2021-10-29 03:40:55,686 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 785 transitions. [2021-10-29 03:40:55,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-29 03:40:55,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:55,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:56,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:40:59,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:40:59,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 328 states and 671 transitions. [2021-10-29 03:40:59,488 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 671 transitions. [2021-10-29 03:40:59,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-29 03:40:59,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:40:59,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:40:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:40:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:41:02,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:02,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 276 states and 557 transitions. [2021-10-29 03:41:02,278 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 557 transitions. [2021-10-29 03:41:02,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-29 03:41:02,280 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:02,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:02,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:41:05,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:05,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 199 states and 384 transitions. [2021-10-29 03:41:05,691 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 384 transitions. [2021-10-29 03:41:05,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-29 03:41:05,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:05,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:05,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:41:09,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:09,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 149 states and 275 transitions. [2021-10-29 03:41:09,233 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 275 transitions. [2021-10-29 03:41:09,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-10-29 03:41:09,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:09,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:09,307 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:41:14,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:14,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 151 states and 277 transitions. [2021-10-29 03:41:14,156 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 277 transitions. [2021-10-29 03:41:14,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-10-29 03:41:14,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:14,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:14,352 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:41:17,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:17,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 157 states and 288 transitions. [2021-10-29 03:41:17,380 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 288 transitions. [2021-10-29 03:41:17,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-10-29 03:41:17,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:17,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:17,678 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:41:21,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:21,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 166 states and 300 transitions. [2021-10-29 03:41:21,839 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 300 transitions. [2021-10-29 03:41:21,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-10-29 03:41:21,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:21,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:22,311 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:41:26,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:26,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 175 states and 311 transitions. [2021-10-29 03:41:26,637 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 311 transitions. [2021-10-29 03:41:26,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-10-29 03:41:26,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:26,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 28 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:41:31,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:31,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 184 states and 322 transitions. [2021-10-29 03:41:31,731 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 322 transitions. [2021-10-29 03:41:31,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-10-29 03:41:31,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:31,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:32,286 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 34 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:41:37,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:37,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 193 states and 333 transitions. [2021-10-29 03:41:37,601 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 333 transitions. [2021-10-29 03:41:37,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-10-29 03:41:37,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:37,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:38,322 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 40 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:41:43,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:43,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 202 states and 344 transitions. [2021-10-29 03:41:43,573 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 344 transitions. [2021-10-29 03:41:43,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-10-29 03:41:43,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:43,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:44,571 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 46 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:41:49,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:41:49,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 211 states and 353 transitions. [2021-10-29 03:41:49,906 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 353 transitions. [2021-10-29 03:41:49,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-10-29 03:41:49,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:41:49,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:41:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:41:50,306 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-10-29 03:42:07,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:42:07,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 236 states and 387 transitions. [2021-10-29 03:42:07,328 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 387 transitions. [2021-10-29 03:42:07,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-10-29 03:42:07,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:42:07,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:42:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:42:07,423 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-10-29 03:42:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:42:13,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 188 states and 317 transitions. [2021-10-29 03:42:13,323 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 317 transitions. [2021-10-29 03:42:13,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:42:13,324 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2021-10-29 03:42:13,331 INFO L759 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2021-10-29 03:42:14,031 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 03:42:14,043 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 03:42:14,044 INFO L565 CodeCheckObserver]: Invariant with dag size 15 [2021-10-29 03:42:14,046 INFO L565 CodeCheckObserver]: Invariant with dag size 15 [2021-10-29 03:42:14,047 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:42:14,048 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 03:42:14,048 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 03:42:14,049 INFO L565 CodeCheckObserver]: Invariant with dag size 8 [2021-10-29 03:42:14,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:42:14 ImpRootNode [2021-10-29 03:42:14,050 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:42:14,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:42:14,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:42:14,051 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:42:14,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:40:40" (3/4) ... [2021-10-29 03:42:14,056 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:42:14,096 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-29 03:42:14,100 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 03:42:14,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:42:14,107 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:42:14,387 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:42:14,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:42:14,390 INFO L168 Benchmark]: Toolchain (without parser) took 96520.17 ms. Allocated memory was 121.6 MB in the beginning and 645.9 MB in the end (delta: 524.3 MB). Free memory was 79.1 MB in the beginning and 423.2 MB in the end (delta: -344.2 MB). Peak memory consumption was 180.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:14,391 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 121.6 MB. Free memory was 97.4 MB in the beginning and 97.3 MB in the end (delta: 69.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:42:14,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 867.14 ms. Allocated memory is still 121.6 MB. Free memory was 78.9 MB in the beginning and 74.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:14,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.94 ms. Allocated memory is still 121.6 MB. Free memory was 74.2 MB in the beginning and 68.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:14,394 INFO L168 Benchmark]: Boogie Preprocessor took 99.06 ms. Allocated memory is still 121.6 MB. Free memory was 68.3 MB in the beginning and 64.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:14,394 INFO L168 Benchmark]: RCFGBuilder took 1554.44 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 64.1 MB in the beginning and 109.2 MB in the end (delta: -45.1 MB). Peak memory consumption was 40.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:14,395 INFO L168 Benchmark]: CodeCheck took 93533.63 ms. Allocated memory was 146.8 MB in the beginning and 645.9 MB in the end (delta: 499.1 MB). Free memory was 109.2 MB in the beginning and 447.1 MB in the end (delta: -337.9 MB). Peak memory consumption was 160.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:14,395 INFO L168 Benchmark]: Witness Printer took 336.80 ms. Allocated memory is still 645.9 MB. Free memory was 447.1 MB in the beginning and 423.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:14,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 245 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 92.7s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 921731072 SDtfs, 467543182 SDslu, 204613660 SDs, 0 SdLazy, 800644350 SolverSat, 41559572 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27785 GetRequests, 26538 SyntacticMatches, 505 SemanticMatches, 742 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266930 ImplicationChecksByTransitivity, 85.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 3281 NumberOfCodeBlocks, 3281 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3259 ConstructedInterpolants, 0 QuantifiedInterpolants, 6223 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 597/924 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 2003]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 2312]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 1 <= main__i - InvariantResult [Line: 1782]: Loop Invariant Derived loop invariant: 4 <= main__i - InvariantResult [Line: 1782]: Loop Invariant Derived loop invariant: ((4 <= main__i && main__i + 1 <= main__nlen) && 7 <= main__j) || (main__i + 1 <= main__nlen && 5 <= main__i) - InvariantResult [Line: 2299]: Loop Invariant Derived loop invariant: ((4 <= main__i && main__i + 1 <= main__nlen) && 8 <= main__j) || (main__i + 1 <= main__nlen && 5 <= main__i) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1263]: Loop Invariant Derived loop invariant: 3 <= main__i - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 2 <= main__i - InvariantResult [Line: 1782]: Loop Invariant Derived loop invariant: main__i + 1 <= main__nlen && 5 <= main__i * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 121.6 MB. Free memory was 97.4 MB in the beginning and 97.3 MB in the end (delta: 69.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 867.14 ms. Allocated memory is still 121.6 MB. Free memory was 78.9 MB in the beginning and 74.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 115.94 ms. Allocated memory is still 121.6 MB. Free memory was 74.2 MB in the beginning and 68.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.06 ms. Allocated memory is still 121.6 MB. Free memory was 68.3 MB in the beginning and 64.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1554.44 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 64.1 MB in the beginning and 109.2 MB in the end (delta: -45.1 MB). Peak memory consumption was 40.7 MB. Max. memory is 16.1 GB. * CodeCheck took 93533.63 ms. Allocated memory was 146.8 MB in the beginning and 645.9 MB in the end (delta: 499.1 MB). Free memory was 109.2 MB in the beginning and 447.1 MB in the end (delta: -337.9 MB). Peak memory consumption was 160.0 MB. Max. memory is 16.1 GB. * Witness Printer took 336.80 ms. Allocated memory is still 645.9 MB. Free memory was 447.1 MB in the beginning and 423.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:42:14,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b71bea72-d8a2-4969-86ee-3dc4747aa6d9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...