./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label45.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_8be397ab-e2ba-4468-8dc6-76738be225cd/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be397ab-e2ba-4468-8dc6-76738be225cd/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_8be397ab-e2ba-4468-8dc6-76738be225cd/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be397ab-e2ba-4468-8dc6-76738be225cd/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label45.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be397ab-e2ba-4468-8dc6-76738be225cd/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_8be397ab-e2ba-4468-8dc6-76738be225cd/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 0a3986623018c70e6eab20909e61181eb3fd2fad76b9f685fe7d2107541e2f5e ............................................................................................................................................................................................................................................................................ 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 03:58:37,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:58:37,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:58:37,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:58:37,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:58:37,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:58:37,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:58:37,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:58:37,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:58:37,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:58:37,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:58:37,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:58:37,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:58:37,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:58:37,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:58:37,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:58:37,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:58:37,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:58:37,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:58:37,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:58:37,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:58:37,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:58:37,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:58:37,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:58:37,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:58:37,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:58:37,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:58:37,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:58:37,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:58:37,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:58:37,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:58:37,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:58:37,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:58:37,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:58:37,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:58:37,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:58:37,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:58:37,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:58:37,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:58:37,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:58:37,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:58:37,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be397ab-e2ba-4468-8dc6-76738be225cd/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:58:37,251 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:58:37,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:58:37,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:58:37,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:58:37,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:58:37,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:58:37,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:58:37,255 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:58:37,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:58:37,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:58:37,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:58:37,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:58:37,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:58:37,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:58:37,258 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:58:37,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:58:37,258 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:58:37,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:58:37,258 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:58:37,259 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:58:37,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:58:37,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:58:37,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:58:37,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:58:37,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:58:37,260 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:58:37,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:58:37,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:58:37,261 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_8be397ab-e2ba-4468-8dc6-76738be225cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be397ab-e2ba-4468-8dc6-76738be225cd/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a3986623018c70e6eab20909e61181eb3fd2fad76b9f685fe7d2107541e2f5e [2021-10-29 03:58:37,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:58:37,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:58:37,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:58:37,548 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:58:37,549 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:58:37,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be397ab-e2ba-4468-8dc6-76738be225cd/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem10_label45.c [2021-10-29 03:58:37,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be397ab-e2ba-4468-8dc6-76738be225cd/bin/ukojak-Rh5K9KB4LI/data/fa420b9a2/2545156ec73841c9a570b44d8ac9c80c/FLAG2ef502b2b [2021-10-29 03:58:38,189 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:58:38,190 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be397ab-e2ba-4468-8dc6-76738be225cd/sv-benchmarks/c/eca-rers2012/Problem10_label45.c [2021-10-29 03:58:38,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be397ab-e2ba-4468-8dc6-76738be225cd/bin/ukojak-Rh5K9KB4LI/data/fa420b9a2/2545156ec73841c9a570b44d8ac9c80c/FLAG2ef502b2b [2021-10-29 03:58:38,476 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be397ab-e2ba-4468-8dc6-76738be225cd/bin/ukojak-Rh5K9KB4LI/data/fa420b9a2/2545156ec73841c9a570b44d8ac9c80c [2021-10-29 03:58:38,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:58:38,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:58:38,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:58:38,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:58:38,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:58:38,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:58:38" (1/1) ... [2021-10-29 03:58:38,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1606a53d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:38, skipping insertion in model container [2021-10-29 03:58:38,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:58:38" (1/1) ... [2021-10-29 03:58:38,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:58:38,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:58:38,836 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_8be397ab-e2ba-4468-8dc6-76738be225cd/sv-benchmarks/c/eca-rers2012/Problem10_label45.c[4437,4450] [2021-10-29 03:58:39,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:58:39,053 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:58:39,095 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_8be397ab-e2ba-4468-8dc6-76738be225cd/sv-benchmarks/c/eca-rers2012/Problem10_label45.c[4437,4450] [2021-10-29 03:58:39,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:58:39,211 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:58:39,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:39 WrapperNode [2021-10-29 03:58:39,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:58:39,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:58:39,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:58:39,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:58:39,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:39" (1/1) ... [2021-10-29 03:58:39,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:39" (1/1) ... [2021-10-29 03:58:39,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:58:39,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:58:39,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:58:39,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:58:39,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:39" (1/1) ... [2021-10-29 03:58:39,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:39" (1/1) ... [2021-10-29 03:58:39,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:39" (1/1) ... [2021-10-29 03:58:39,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:39" (1/1) ... [2021-10-29 03:58:39,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:39" (1/1) ... [2021-10-29 03:58:39,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:39" (1/1) ... [2021-10-29 03:58:39,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:39" (1/1) ... [2021-10-29 03:58:39,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:58:39,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:58:39,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:58:39,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:58:39,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:58:39" (1/1) ... [2021-10-29 03:58:39,389 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:58:39,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be397ab-e2ba-4468-8dc6-76738be225cd/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:58:39,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be397ab-e2ba-4468-8dc6-76738be225cd/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:58:39,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be397ab-e2ba-4468-8dc6-76738be225cd/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:58:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:58:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:58:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:58:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:58:47,351 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:58:47,351 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:58:47,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:58:47 BoogieIcfgContainer [2021-10-29 03:58:47,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:58:47,355 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:58:47,355 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:58:47,366 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:58:47,366 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:58:47" (1/1) ... [2021-10-29 03:58:47,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:58:47,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:47,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:58:47,409 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:58:47,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:58:47,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:47,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:47,586 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 03:58:47,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:47,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:58:47,639 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:58:47,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:58:47,640 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:47,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:48,266 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 03:58:48,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-10-29 03:58:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-10-29 03:58:48,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:58:48,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:48,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:49,540 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 03:58:50,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2021-10-29 03:58:50,867 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2021-10-29 03:58:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:58:50,868 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:50,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:51,297 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 03:58:51,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:51,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2021-10-29 03:58:51,714 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2021-10-29 03:58:51,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:58:51,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:51,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:52,341 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:58:53,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:53,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 72 transitions. [2021-10-29 03:58:53,376 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2021-10-29 03:58:53,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:58:53,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:53,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:53,912 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:58:54,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:54,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2021-10-29 03:58:54,061 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2021-10-29 03:58:54,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:58:54,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:58:54,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:58:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:58:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:58:54,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:58:54,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2021-10-29 03:58:54,688 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2021-10-29 03:58:54,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:58:54,689 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2021-10-29 03:58:54,694 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:58:55,033 INFO L565 CodeCheckObserver]: Invariant with dag size 25 [2021-10-29 03:58:55,044 INFO L565 CodeCheckObserver]: Invariant with dag size 23 [2021-10-29 03:58:55,046 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:58:55,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:58:55 ImpRootNode [2021-10-29 03:58:55,046 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:58:55,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:58:55,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:58:55,047 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:58:55,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:58:47" (3/4) ... [2021-10-29 03:58:55,050 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:58:55,071 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 182 nodes and edges [2021-10-29 03:58:55,073 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-29 03:58:55,075 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:58:55,077 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:58:55,204 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be397ab-e2ba-4468-8dc6-76738be225cd/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:58:55,204 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:58:55,206 INFO L168 Benchmark]: Toolchain (without parser) took 16725.52 ms. Allocated memory was 94.4 MB in the beginning and 390.1 MB in the end (delta: 295.7 MB). Free memory was 57.6 MB in the beginning and 113.2 MB in the end (delta: -55.6 MB). Peak memory consumption was 239.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:55,206 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 94.4 MB. Free memory was 67.5 MB in the beginning and 67.5 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:58:55,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.04 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 57.4 MB in the beginning and 79.7 MB in the end (delta: -22.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:55,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.45 ms. Allocated memory is still 121.6 MB. Free memory was 79.7 MB in the beginning and 71.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:55,207 INFO L168 Benchmark]: Boogie Preprocessor took 73.83 ms. Allocated memory is still 121.6 MB. Free memory was 71.4 MB in the beginning and 66.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:55,208 INFO L168 Benchmark]: RCFGBuilder took 7974.01 ms. Allocated memory was 121.6 MB in the beginning and 390.1 MB in the end (delta: 268.4 MB). Free memory was 66.8 MB in the beginning and 304.4 MB in the end (delta: -237.6 MB). Peak memory consumption was 126.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:55,208 INFO L168 Benchmark]: CodeCheck took 7691.05 ms. Allocated memory is still 390.1 MB. Free memory was 304.4 MB in the beginning and 128.9 MB in the end (delta: 175.5 MB). Peak memory consumption was 174.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:55,208 INFO L168 Benchmark]: Witness Printer took 157.65 ms. Allocated memory is still 390.1 MB. Free memory was 128.9 MB in the beginning and 113.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:58:55,211 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: 7.3s, 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: 836 SDtfs, 1572 SDslu, 1160 SDs, 0 SdLazy, 4908 SolverSat, 744 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 921 GetRequests, 798 SyntacticMatches, 43 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2936 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 1164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 54/86 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: 128]: 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: 592]: Loop Invariant Derived loop invariant: (((14 == a4 && a12 == 0) && ((331498 <= a1 || !(a10 == 1)) || 14 + a1 <= 0)) || ((14 == a4 && a12 == 0) && 9 <= a19)) || ((14 == a4 && a19 <= 7) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((a1 <= 38 && 14 == a4) && a12 == 0) && 0 < a1 + 13) || ((!(a10 == 1 && a19 == 8) && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 94.4 MB. Free memory was 67.5 MB in the beginning and 67.5 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 730.04 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 57.4 MB in the beginning and 79.7 MB in the end (delta: -22.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.45 ms. Allocated memory is still 121.6 MB. Free memory was 79.7 MB in the beginning and 71.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.83 ms. Allocated memory is still 121.6 MB. Free memory was 71.4 MB in the beginning and 66.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 7974.01 ms. Allocated memory was 121.6 MB in the beginning and 390.1 MB in the end (delta: 268.4 MB). Free memory was 66.8 MB in the beginning and 304.4 MB in the end (delta: -237.6 MB). Peak memory consumption was 126.2 MB. Max. memory is 16.1 GB. * CodeCheck took 7691.05 ms. Allocated memory is still 390.1 MB. Free memory was 304.4 MB in the beginning and 128.9 MB in the end (delta: 175.5 MB). Peak memory consumption was 174.4 MB. Max. memory is 16.1 GB. * Witness Printer took 157.65 ms. Allocated memory is still 390.1 MB. Free memory was 128.9 MB in the beginning and 113.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:58:55,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be397ab-e2ba-4468-8dc6-76738be225cd/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...