./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label47.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_5f6a4979-ad20-47cc-abd5-65643d89a705/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6a4979-ad20-47cc-abd5-65643d89a705/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_5f6a4979-ad20-47cc-abd5-65643d89a705/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6a4979-ad20-47cc-abd5-65643d89a705/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label47.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6a4979-ad20-47cc-abd5-65643d89a705/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_5f6a4979-ad20-47cc-abd5-65643d89a705/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 073d0286f7f22cdfd8eea76e89ac58c5da1aee755973b8c9a7ddb0308333499f .................................................................................................................................................................................................................................................... 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 03:28:41,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:28:41,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:28:41,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:28:41,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:28:41,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:28:41,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:28:41,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:28:41,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:28:41,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:28:41,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:28:41,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:28:41,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:28:41,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:28:41,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:28:41,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:28:41,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:28:41,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:28:41,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:28:41,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:28:41,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:28:41,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:28:41,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:28:41,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:28:41,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:28:41,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:28:41,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:28:41,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:28:41,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:28:41,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:28:41,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:28:41,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:28:41,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:28:41,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:28:41,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:28:41,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:28:41,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:28:41,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:28:41,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:28:41,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:28:41,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:28:41,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6a4979-ad20-47cc-abd5-65643d89a705/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:28:41,922 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:28:41,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:28:41,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:28:41,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:28:41,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:28:41,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:28:41,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:28:41,926 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:28:41,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:28:41,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:28:41,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:28:41,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:28:41,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:28:41,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:28:41,928 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:28:41,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:28:41,928 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:28:41,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:28:41,929 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:28:41,929 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:28:41,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:28:41,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:28:41,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:28:41,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:28:41,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:28:41,931 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:28:41,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:28:41,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:28:41,932 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_5f6a4979-ad20-47cc-abd5-65643d89a705/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6a4979-ad20-47cc-abd5-65643d89a705/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 073d0286f7f22cdfd8eea76e89ac58c5da1aee755973b8c9a7ddb0308333499f [2021-10-29 03:28:42,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:28:42,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:28:42,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:28:42,270 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:28:42,271 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:28:42,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6a4979-ad20-47cc-abd5-65643d89a705/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem14_label47.c [2021-10-29 03:28:42,347 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6a4979-ad20-47cc-abd5-65643d89a705/bin/ukojak-Rh5K9KB4LI/data/494b51b34/70d12efcf3ba4077b4fdc59c1541e0d6/FLAG71ecaf80c [2021-10-29 03:28:43,085 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:28:43,101 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6a4979-ad20-47cc-abd5-65643d89a705/sv-benchmarks/c/eca-rers2012/Problem14_label47.c [2021-10-29 03:28:43,127 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6a4979-ad20-47cc-abd5-65643d89a705/bin/ukojak-Rh5K9KB4LI/data/494b51b34/70d12efcf3ba4077b4fdc59c1541e0d6/FLAG71ecaf80c [2021-10-29 03:28:43,299 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6a4979-ad20-47cc-abd5-65643d89a705/bin/ukojak-Rh5K9KB4LI/data/494b51b34/70d12efcf3ba4077b4fdc59c1541e0d6 [2021-10-29 03:28:43,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:28:43,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:28:43,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:28:43,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:28:43,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:28:43,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:28:43" (1/1) ... [2021-10-29 03:28:43,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2258691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:43, skipping insertion in model container [2021-10-29 03:28:43,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:28:43" (1/1) ... [2021-10-29 03:28:43,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:28:43,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:28:43,663 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_5f6a4979-ad20-47cc-abd5-65643d89a705/sv-benchmarks/c/eca-rers2012/Problem14_label47.c[3529,3542] [2021-10-29 03:28:43,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:28:43,972 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:28:43,995 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_5f6a4979-ad20-47cc-abd5-65643d89a705/sv-benchmarks/c/eca-rers2012/Problem14_label47.c[3529,3542] [2021-10-29 03:28:44,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:28:44,128 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:28:44,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:44 WrapperNode [2021-10-29 03:28:44,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:28:44,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:28:44,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:28:44,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:28:44,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:44" (1/1) ... [2021-10-29 03:28:44,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:44" (1/1) ... [2021-10-29 03:28:44,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:28:44,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:28:44,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:28:44,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:28:44,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:44" (1/1) ... [2021-10-29 03:28:44,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:44" (1/1) ... [2021-10-29 03:28:44,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:44" (1/1) ... [2021-10-29 03:28:44,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:44" (1/1) ... [2021-10-29 03:28:44,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:44" (1/1) ... [2021-10-29 03:28:44,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:44" (1/1) ... [2021-10-29 03:28:44,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:44" (1/1) ... [2021-10-29 03:28:44,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:28:44,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:28:44,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:28:44,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:28:44,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:44" (1/1) ... [2021-10-29 03:28:44,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:28:44,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6a4979-ad20-47cc-abd5-65643d89a705/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:28:44,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6a4979-ad20-47cc-abd5-65643d89a705/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:28:44,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6a4979-ad20-47cc-abd5-65643d89a705/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:28:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:28:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:28:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:28:44,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:29:00,756 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:29:00,757 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:29:00,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:29:00 BoogieIcfgContainer [2021-10-29 03:29:00,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:29:00,761 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:29:00,762 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:29:00,774 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:29:00,775 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:29:00" (1/1) ... [2021-10-29 03:29:00,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:29:00,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:00,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:29:00,831 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:29:00,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:29:00,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:00,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:01,042 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 03:29:01,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:01,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:29:01,128 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:29:01,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:29:01,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:01,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:01,740 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 03:29:02,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:02,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2021-10-29 03:29:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-10-29 03:29:02,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:29:02,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:02,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:04,280 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 03:29:05,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:05,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2021-10-29 03:29:05,484 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2021-10-29 03:29:05,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:29:05,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:05,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:29:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:11,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2021-10-29 03:29:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2021-10-29 03:29:11,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:29:11,523 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-10-29 03:29:11,534 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:29:12,170 INFO L565 CodeCheckObserver]: Invariant with dag size 50 [2021-10-29 03:29:12,198 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:29:12,199 INFO L565 CodeCheckObserver]: Invariant with dag size 39 [2021-10-29 03:29:12,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:29:12 ImpRootNode [2021-10-29 03:29:12,207 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:29:12,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:29:12,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:29:12,209 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:29:12,209 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:29:00" (3/4) ... [2021-10-29 03:29:12,213 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:29:12,258 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 220 nodes and edges [2021-10-29 03:29:12,262 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-29 03:29:12,265 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:29:12,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:29:12,497 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6a4979-ad20-47cc-abd5-65643d89a705/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:29:12,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:29:12,499 INFO L168 Benchmark]: Toolchain (without parser) took 29195.24 ms. Allocated memory was 94.4 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 60.8 MB in the beginning and 716.3 MB in the end (delta: -655.5 MB). Peak memory consumption was 560.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:12,500 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 94.4 MB. Free memory is still 51.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:29:12,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.28 ms. Allocated memory is still 94.4 MB. Free memory was 60.6 MB in the beginning and 48.3 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:12,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.04 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 48.3 MB in the beginning and 87.3 MB in the end (delta: -39.0 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:12,501 INFO L168 Benchmark]: Boogie Preprocessor took 133.27 ms. Allocated memory is still 117.4 MB. Free memory was 87.3 MB in the beginning and 81.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:12,502 INFO L168 Benchmark]: RCFGBuilder took 16312.73 ms. Allocated memory was 117.4 MB in the beginning and 734.0 MB in the end (delta: 616.6 MB). Free memory was 81.9 MB in the beginning and 407.6 MB in the end (delta: -325.7 MB). Peak memory consumption was 291.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:12,503 INFO L168 Benchmark]: CodeCheck took 11446.18 ms. Allocated memory was 734.0 MB in the beginning and 1.3 GB in the end (delta: 576.7 MB). Free memory was 407.6 MB in the beginning and 736.4 MB in the end (delta: -328.8 MB). Peak memory consumption was 246.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:12,503 INFO L168 Benchmark]: Witness Printer took 289.73 ms. Allocated memory is still 1.3 GB. Free memory was 736.4 MB in the beginning and 716.3 MB in the end (delta: 20.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:12,506 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: 10.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 100 SDtfs, 190 SDslu, 136 SDs, 0 SdLazy, 506 SolverSat, 92 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 376 GetRequests, 333 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 792 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 508 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 21/34 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: 113]: 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 + 43 <= 0 || !(a21 == 9)) || !(a24 == 1)) || !(7 == a15)) || 11 < a12) && !((((0 <= 49 + a12 && !(7 == a15)) && 49 + a12 <= 0) && a21 == 10) || ((a12 + 43 <= 0 && (a21 == 6 || (a21 <= 7 && 49 + a12 <= 0))) && ((!(7 == a15) && !(5 == a15)) || !(a21 == 6))))) || (0 <= 49 + a12 && a15 == 8)) || (((((0 <= 49 + a12 && !(7 == a15)) && 49 + a12 <= 0) && a21 == 10) || ((a12 + 43 <= 0 && (a21 == 6 || (a21 <= 7 && 49 + a12 <= 0))) && ((!(7 == a15) && !(5 == a15)) || !(a21 == 6)))) && !((a24 == 1 && 7 == a21) && a15 == 8)) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((!(7 == a15) && !(49 + a12 <= 0 || a21 <= 8)) || (0 < 49 + a12 && a21 <= 8)) || (49 + a12 <= 0 && !((a24 == 1 && 7 == a21) && a15 == 8))) || (0 <= 49 + a12 && a15 == 8)) || ((((a12 + 43 <= 0 || !(a21 == 9)) || !(a24 == 1)) || 11 < a12) && !(49 + a12 <= 0 || a21 <= 8)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 94.4 MB. Free memory is still 51.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 824.28 ms. Allocated memory is still 94.4 MB. Free memory was 60.6 MB in the beginning and 48.3 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 182.04 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 48.3 MB in the beginning and 87.3 MB in the end (delta: -39.0 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 133.27 ms. Allocated memory is still 117.4 MB. Free memory was 87.3 MB in the beginning and 81.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 16312.73 ms. Allocated memory was 117.4 MB in the beginning and 734.0 MB in the end (delta: 616.6 MB). Free memory was 81.9 MB in the beginning and 407.6 MB in the end (delta: -325.7 MB). Peak memory consumption was 291.9 MB. Max. memory is 16.1 GB. * CodeCheck took 11446.18 ms. Allocated memory was 734.0 MB in the beginning and 1.3 GB in the end (delta: 576.7 MB). Free memory was 407.6 MB in the beginning and 736.4 MB in the end (delta: -328.8 MB). Peak memory consumption was 246.9 MB. Max. memory is 16.1 GB. * Witness Printer took 289.73 ms. Allocated memory is still 1.3 GB. Free memory was 736.4 MB in the beginning and 716.3 MB in the end (delta: 20.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:29:12,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6a4979-ad20-47cc-abd5-65643d89a705/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...