./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label58.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_2502a8a4-1989-4adf-855e-8094ca0fd0e3/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2502a8a4-1989-4adf-855e-8094ca0fd0e3/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_2502a8a4-1989-4adf-855e-8094ca0fd0e3/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2502a8a4-1989-4adf-855e-8094ca0fd0e3/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label58.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2502a8a4-1989-4adf-855e-8094ca0fd0e3/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_2502a8a4-1989-4adf-855e-8094ca0fd0e3/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 d01c93de245456455f0527bcf882987e2bed2e3604b850da24f21647f0ce8431 ..................................................................................................................................................................................................................................................................................... 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 02:58:08,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:58:08,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:58:08,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:58:08,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:58:08,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:58:08,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:58:08,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:58:08,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:58:08,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:58:08,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:58:08,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:58:08,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:58:08,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:58:08,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:58:08,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:58:08,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:58:08,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:58:08,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:58:08,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:58:08,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:58:08,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:58:08,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:58:08,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:58:08,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:58:08,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:58:08,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:58:08,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:58:08,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:58:08,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:58:08,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:58:08,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:58:08,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:58:08,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:58:08,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:58:08,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:58:08,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:58:08,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:58:08,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:58:08,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:58:08,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:58:08,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2502a8a4-1989-4adf-855e-8094ca0fd0e3/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:58:09,022 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:58:09,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:58:09,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:58:09,025 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:58:09,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:58:09,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:58:09,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:58:09,027 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:58:09,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:58:09,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:58:09,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:58:09,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:58:09,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:58:09,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:58:09,038 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:58:09,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:58:09,039 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:58:09,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:58:09,040 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:58:09,040 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:58:09,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:58:09,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:58:09,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:58:09,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:58:09,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:58:09,042 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:58:09,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:58:09,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:58:09,043 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_2502a8a4-1989-4adf-855e-8094ca0fd0e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2502a8a4-1989-4adf-855e-8094ca0fd0e3/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d01c93de245456455f0527bcf882987e2bed2e3604b850da24f21647f0ce8431 [2021-10-29 02:58:09,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:58:09,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:58:09,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:58:09,479 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:58:09,480 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:58:09,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2502a8a4-1989-4adf-855e-8094ca0fd0e3/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem15_label58.c [2021-10-29 02:58:09,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2502a8a4-1989-4adf-855e-8094ca0fd0e3/bin/ukojak-Rh5K9KB4LI/data/6b333ee30/a8be932b26fc480bbeeaa7341f7b4da3/FLAG039cc5796 [2021-10-29 02:58:10,492 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:58:10,493 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2502a8a4-1989-4adf-855e-8094ca0fd0e3/sv-benchmarks/c/eca-rers2012/Problem15_label58.c [2021-10-29 02:58:10,526 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2502a8a4-1989-4adf-855e-8094ca0fd0e3/bin/ukojak-Rh5K9KB4LI/data/6b333ee30/a8be932b26fc480bbeeaa7341f7b4da3/FLAG039cc5796 [2021-10-29 02:58:10,986 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2502a8a4-1989-4adf-855e-8094ca0fd0e3/bin/ukojak-Rh5K9KB4LI/data/6b333ee30/a8be932b26fc480bbeeaa7341f7b4da3 [2021-10-29 02:58:10,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:58:10,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:58:10,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:58:10,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:58:10,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:58:10,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:58:10" (1/1) ... [2021-10-29 02:58:11,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c6236de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:11, skipping insertion in model container [2021-10-29 02:58:11,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:58:10" (1/1) ... [2021-10-29 02:58:11,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:58:11,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:58:11,426 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_2502a8a4-1989-4adf-855e-8094ca0fd0e3/sv-benchmarks/c/eca-rers2012/Problem15_label58.c[6184,6197] [2021-10-29 02:58:12,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:58:12,187 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:58:12,273 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_2502a8a4-1989-4adf-855e-8094ca0fd0e3/sv-benchmarks/c/eca-rers2012/Problem15_label58.c[6184,6197] [2021-10-29 02:58:12,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:58:12,660 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:58:12,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:12 WrapperNode [2021-10-29 02:58:12,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:58:12,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:58:12,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:58:12,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:58:12,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:12" (1/1) ... [2021-10-29 02:58:12,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:12" (1/1) ... [2021-10-29 02:58:12,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:58:12,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:58:12,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:58:12,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:58:12,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:12" (1/1) ... [2021-10-29 02:58:12,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:12" (1/1) ... [2021-10-29 02:58:13,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:12" (1/1) ... [2021-10-29 02:58:13,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:12" (1/1) ... [2021-10-29 02:58:13,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:12" (1/1) ... [2021-10-29 02:58:13,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:12" (1/1) ... [2021-10-29 02:58:13,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:12" (1/1) ... [2021-10-29 02:58:13,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:58:13,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:58:13,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:58:13,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:58:13,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:12" (1/1) ... [2021-10-29 02:58:13,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:58:13,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2502a8a4-1989-4adf-855e-8094ca0fd0e3/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:58:13,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2502a8a4-1989-4adf-855e-8094ca0fd0e3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:58:13,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2502a8a4-1989-4adf-855e-8094ca0fd0e3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:58:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:58:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:58:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:58:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:02:11,023 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:02:11,024 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 03:02:11,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:02:11 BoogieIcfgContainer [2021-10-29 03:02:11,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:02:11,028 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:02:11,029 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:02:11,047 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:02:11,047 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:02:11" (1/1) ... [2021-10-29 03:02:11,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:02:11,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:11,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:02:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:02:11,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:02:11,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:11,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:11,402 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 03:02:12,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:12,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:02:12,340 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:02:12,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:02:12,341 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:12,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:17,106 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 03:02:31,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:31,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-10-29 03:02:31,638 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-10-29 03:02:31,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:02:31,640 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:31,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:37,849 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 03:02:48,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:48,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2021-10-29 03:02:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2021-10-29 03:02:48,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:02:48,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:48,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:54,462 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 03:02:55,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:55,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2021-10-29 03:02:55,449 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2021-10-29 03:02:55,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:02:55,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:55,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:07,609 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 03:04:00,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:04:00,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 72 transitions. [2021-10-29 03:04:00,320 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2021-10-29 03:04:00,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:04:00,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:04:00,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:04:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:04:11,716 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 03:04:19,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:04:19,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 78 transitions. [2021-10-29 03:04:19,260 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 78 transitions. [2021-10-29 03:04:19,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:04:19,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:04:19,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:04:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:04:29,018 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 03:04:34,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:04:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 82 transitions. [2021-10-29 03:04:34,823 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2021-10-29 03:04:34,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:04:34,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:04:34,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:04:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:04:50,238 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-29 03:04:51,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:04:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2021-10-29 03:04:51,372 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2021-10-29 03:04:51,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:04:51,373 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2021-10-29 03:04:51,382 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:04:51,856 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:04:51,860 INFO L565 CodeCheckObserver]: Invariant with dag size 21 [2021-10-29 03:04:51,867 INFO L565 CodeCheckObserver]: Invariant with dag size 20 [2021-10-29 03:04:51,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:04:51 ImpRootNode [2021-10-29 03:04:51,868 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:04:51,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:04:51,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:04:51,869 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:04:51,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:02:11" (3/4) ... [2021-10-29 03:04:51,880 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:04:51,932 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 389 nodes and edges [2021-10-29 03:04:51,938 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2021-10-29 03:04:51,944 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:04:51,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:04:52,257 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2502a8a4-1989-4adf-855e-8094ca0fd0e3/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:04:52,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:04:52,260 INFO L168 Benchmark]: Toolchain (without parser) took 401267.54 ms. Allocated memory was 96.5 MB in the beginning and 4.3 GB in the end (delta: 4.2 GB). Free memory was 69.5 MB in the beginning and 3.0 GB in the end (delta: -2.9 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2021-10-29 03:04:52,261 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 96.5 MB. Free memory is still 71.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:04:52,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1669.06 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 69.2 MB in the beginning and 66.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:04:52,268 INFO L168 Benchmark]: Boogie Procedure Inliner took 313.70 ms. Allocated memory is still 127.9 MB. Free memory was 66.6 MB in the beginning and 60.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:04:52,269 INFO L168 Benchmark]: Boogie Preprocessor took 326.33 ms. Allocated memory was 127.9 MB in the beginning and 218.1 MB in the end (delta: 90.2 MB). Free memory was 60.1 MB in the beginning and 153.4 MB in the end (delta: -93.3 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:04:52,270 INFO L168 Benchmark]: RCFGBuilder took 237722.31 ms. Allocated memory was 218.1 MB in the beginning and 4.3 GB in the end (delta: 4.1 GB). Free memory was 153.4 MB in the beginning and 3.7 GB in the end (delta: -3.5 GB). Peak memory consumption was 868.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:04:52,271 INFO L168 Benchmark]: CodeCheck took 160839.90 ms. Allocated memory is still 4.3 GB. Free memory was 3.7 GB in the beginning and 3.0 GB in the end (delta: 625.5 MB). Peak memory consumption was 626.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:04:52,272 INFO L168 Benchmark]: Witness Printer took 388.94 ms. Allocated memory is still 4.3 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:04:52,275 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: 160.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1688 SDtfs, 3156 SDslu, 2352 SDs, 0 SdLazy, 9406 SolverSat, 1618 SolverUnsat, 192 SolverUnknown, 0 SolverNotchecked, 408.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1111 GetRequests, 997 SyntacticMatches, 38 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2816 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 46.9s SatisfiabilityAnalysisTime, 18.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 35/122 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: 167]: 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((0 < a0 + 61 || !(a4 + 86 <= 0)) || 98 + a0 <= 0) || a29 <= 43) || !(5 == a2) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((0 < a4 + 86 || 98 + a0 <= 0) || 0 <= a0 + 60) || a29 <= 43) || !(5 == a2) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 96.5 MB. Free memory is still 71.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1669.06 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 69.2 MB in the beginning and 66.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 313.70 ms. Allocated memory is still 127.9 MB. Free memory was 66.6 MB in the beginning and 60.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 326.33 ms. Allocated memory was 127.9 MB in the beginning and 218.1 MB in the end (delta: 90.2 MB). Free memory was 60.1 MB in the beginning and 153.4 MB in the end (delta: -93.3 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 237722.31 ms. Allocated memory was 218.1 MB in the beginning and 4.3 GB in the end (delta: 4.1 GB). Free memory was 153.4 MB in the beginning and 3.7 GB in the end (delta: -3.5 GB). Peak memory consumption was 868.2 MB. Max. memory is 16.1 GB. * CodeCheck took 160839.90 ms. Allocated memory is still 4.3 GB. Free memory was 3.7 GB in the beginning and 3.0 GB in the end (delta: 625.5 MB). Peak memory consumption was 626.5 MB. Max. memory is 16.1 GB. * Witness Printer took 388.94 ms. Allocated memory is still 4.3 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:04:52,503 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2502a8a4-1989-4adf-855e-8094ca0fd0e3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2021-10-29 03:04:52,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2502a8a4-1989-4adf-855e-8094ca0fd0e3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...