./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label33.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_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/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_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label33.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/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_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/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 aec3d6b735697765f122fd4969787ab3e5c22f1789977e4ce823d6b216b50af2 ............................................................................................................................................................................................................................................................................ 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 03:12:25,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:12:25,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:12:25,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:12:25,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:12:25,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:12:25,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:12:25,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:12:25,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:12:25,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:12:25,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:12:25,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:12:25,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:12:25,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:12:25,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:12:25,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:12:25,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:12:25,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:12:25,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:12:25,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:12:25,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:12:25,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:12:25,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:12:25,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:12:25,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:12:25,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:12:25,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:12:25,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:12:25,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:12:25,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:12:25,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:12:25,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:12:25,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:12:25,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:12:25,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:12:25,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:12:25,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:12:25,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:12:25,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:12:25,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:12:25,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:12:25,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:12:25,902 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:12:25,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:12:25,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:12:25,903 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:12:25,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:12:25,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:12:25,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:12:25,905 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:12:25,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:12:25,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:12:25,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:12:25,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:12:25,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:12:25,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:12:25,906 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:12:25,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:12:25,906 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:12:25,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:12:25,907 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:12:25,907 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:12:25,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:12:25,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:12:25,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:12:25,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:12:25,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:12:25,908 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:12:25,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:12:25,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:12:25,909 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_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aec3d6b735697765f122fd4969787ab3e5c22f1789977e4ce823d6b216b50af2 [2021-10-29 03:12:26,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:12:26,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:12:26,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:12:26,222 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:12:26,224 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:12:26,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem14_label33.c [2021-10-29 03:12:26,319 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/bin/ukojak-Rh5K9KB4LI/data/cad21363c/c0ea49da976a48bbaa34af198b70b505/FLAGc7eddde55 [2021-10-29 03:12:26,952 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:12:26,953 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/sv-benchmarks/c/eca-rers2012/Problem14_label33.c [2021-10-29 03:12:26,969 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/bin/ukojak-Rh5K9KB4LI/data/cad21363c/c0ea49da976a48bbaa34af198b70b505/FLAGc7eddde55 [2021-10-29 03:12:27,217 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/bin/ukojak-Rh5K9KB4LI/data/cad21363c/c0ea49da976a48bbaa34af198b70b505 [2021-10-29 03:12:27,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:12:27,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:12:27,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:12:27,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:12:27,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:12:27,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:12:27" (1/1) ... [2021-10-29 03:12:27,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a26303f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:27, skipping insertion in model container [2021-10-29 03:12:27,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:12:27" (1/1) ... [2021-10-29 03:12:27,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:12:27,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:12:27,546 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_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/sv-benchmarks/c/eca-rers2012/Problem14_label33.c[5937,5950] [2021-10-29 03:12:27,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:12:27,773 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:12:27,821 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_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/sv-benchmarks/c/eca-rers2012/Problem14_label33.c[5937,5950] [2021-10-29 03:12:27,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:12:27,979 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:12:27,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:27 WrapperNode [2021-10-29 03:12:27,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:12:27,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:12:27,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:12:27,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:12:27,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:27" (1/1) ... [2021-10-29 03:12:28,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:27" (1/1) ... [2021-10-29 03:12:28,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:12:28,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:12:28,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:12:28,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:12:28,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:27" (1/1) ... [2021-10-29 03:12:28,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:27" (1/1) ... [2021-10-29 03:12:28,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:27" (1/1) ... [2021-10-29 03:12:28,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:27" (1/1) ... [2021-10-29 03:12:28,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:27" (1/1) ... [2021-10-29 03:12:28,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:27" (1/1) ... [2021-10-29 03:12:28,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:27" (1/1) ... [2021-10-29 03:12:28,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:12:28,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:12:28,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:12:28,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:12:28,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:12:27" (1/1) ... [2021-10-29 03:12:28,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:12:28,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:12:28,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:12:28,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:12:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:12:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:12:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:12:28,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:12:41,871 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:12:41,872 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:12:41,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:12:41 BoogieIcfgContainer [2021-10-29 03:12:41,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:12:41,875 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:12:41,875 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:12:41,890 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:12:41,892 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:12:41" (1/1) ... [2021-10-29 03:12:41,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:12:41,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:12:41,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:12:41,951 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:12:41,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:12:41,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:12:41,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:12:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:12:42,210 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 03:12:42,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:12:42,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:12:42,296 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:12:42,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:12:42,296 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:12:42,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:12:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:12:42,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:12:43,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:12:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2021-10-29 03:12:43,245 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2021-10-29 03:12:43,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:12:43,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:12:43,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:12:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:12:44,408 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:12:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:12:45,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2021-10-29 03:12:45,516 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2021-10-29 03:12:45,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:12:45,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:12:45,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:12:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:12:46,227 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:12:46,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:12:46,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2021-10-29 03:12:46,507 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2021-10-29 03:12:46,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:12:46,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:12:46,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:12:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:12:48,085 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:12:50,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:12:50,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 44 states and 90 transitions. [2021-10-29 03:12:50,032 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 90 transitions. [2021-10-29 03:12:50,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:12:50,033 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:12:50,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:12:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:12:51,331 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:12:52,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:12:52,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 103 transitions. [2021-10-29 03:12:52,478 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 103 transitions. [2021-10-29 03:12:52,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:12:52,480 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:12:52,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:12:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:12:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-29 03:12:54,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:12:54,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 48 states and 101 transitions. [2021-10-29 03:12:54,561 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 101 transitions. [2021-10-29 03:12:54,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:12:54,562 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2021-10-29 03:12:54,568 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:12:54,990 INFO L565 CodeCheckObserver]: Invariant with dag size 20 [2021-10-29 03:12:54,999 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:12:55,000 INFO L565 CodeCheckObserver]: Invariant with dag size 20 [2021-10-29 03:12:55,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:12:55 ImpRootNode [2021-10-29 03:12:55,001 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:12:55,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:12:55,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:12:55,002 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:12:55,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:12:41" (3/4) ... [2021-10-29 03:12:55,006 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:12:55,033 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 222 nodes and edges [2021-10-29 03:12:55,036 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-29 03:12:55,039 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:12:55,041 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:12:55,203 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:12:55,204 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:12:55,205 INFO L168 Benchmark]: Toolchain (without parser) took 27982.89 ms. Allocated memory was 94.4 MB in the beginning and 1.1 GB in the end (delta: 998.2 MB). Free memory was 57.6 MB in the beginning and 926.2 MB in the end (delta: -868.6 MB). Peak memory consumption was 128.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:12:55,206 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 66.0 MB in the beginning and 65.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:12:55,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.34 ms. Allocated memory is still 94.4 MB. Free memory was 57.6 MB in the beginning and 48.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:12:55,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.63 ms. Allocated memory was 94.4 MB in the beginning and 134.2 MB in the end (delta: 39.8 MB). Free memory was 48.0 MB in the beginning and 106.2 MB in the end (delta: -58.2 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:12:55,207 INFO L168 Benchmark]: Boogie Preprocessor took 129.92 ms. Allocated memory is still 134.2 MB. Free memory was 106.1 MB in the beginning and 100.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:12:55,208 INFO L168 Benchmark]: RCFGBuilder took 13617.30 ms. Allocated memory was 134.2 MB in the beginning and 608.2 MB in the end (delta: 474.0 MB). Free memory was 100.5 MB in the beginning and 345.3 MB in the end (delta: -244.8 MB). Peak memory consumption was 276.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:12:55,208 INFO L168 Benchmark]: CodeCheck took 13126.72 ms. Allocated memory was 608.2 MB in the beginning and 1.1 GB in the end (delta: 484.4 MB). Free memory was 345.3 MB in the beginning and 946.1 MB in the end (delta: -600.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:12:55,209 INFO L168 Benchmark]: Witness Printer took 202.06 ms. Allocated memory is still 1.1 GB. Free memory was 946.1 MB in the beginning and 926.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:12:55,211 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 868 SDtfs, 1712 SDslu, 1224 SDs, 0 SdLazy, 5444 SolverSat, 808 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 966 GetRequests, 840 SyntacticMatches, 24 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5041 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 1452 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 36/101 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: 188]: 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 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((a12 <= 11 || a21 <= 9) || !(a24 == 1)) || 10 < a21) || a15 <= 5) || 81 <= a12) || 6 < a15 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((a12 <= 11 || 7 <= a15) || a21 <= 9) || !(a24 == 1)) || 10 < a21) || a15 <= 5) || 81 <= a12 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 66.0 MB in the beginning and 65.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 757.34 ms. Allocated memory is still 94.4 MB. Free memory was 57.6 MB in the beginning and 48.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 143.63 ms. Allocated memory was 94.4 MB in the beginning and 134.2 MB in the end (delta: 39.8 MB). Free memory was 48.0 MB in the beginning and 106.2 MB in the end (delta: -58.2 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 129.92 ms. Allocated memory is still 134.2 MB. Free memory was 106.1 MB in the beginning and 100.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 13617.30 ms. Allocated memory was 134.2 MB in the beginning and 608.2 MB in the end (delta: 474.0 MB). Free memory was 100.5 MB in the beginning and 345.3 MB in the end (delta: -244.8 MB). Peak memory consumption was 276.2 MB. Max. memory is 16.1 GB. * CodeCheck took 13126.72 ms. Allocated memory was 608.2 MB in the beginning and 1.1 GB in the end (delta: 484.4 MB). Free memory was 345.3 MB in the beginning and 946.1 MB in the end (delta: -600.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 202.06 ms. Allocated memory is still 1.1 GB. Free memory was 946.1 MB in the beginning and 926.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:12:55,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c4c2da-f4b8-4a41-878c-c2bb95af2636/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...