./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label09.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_287d7d86-1d69-40fc-9f29-293c0ed97dc8/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287d7d86-1d69-40fc-9f29-293c0ed97dc8/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_287d7d86-1d69-40fc-9f29-293c0ed97dc8/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287d7d86-1d69-40fc-9f29-293c0ed97dc8/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287d7d86-1d69-40fc-9f29-293c0ed97dc8/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_287d7d86-1d69-40fc-9f29-293c0ed97dc8/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 0cc06aa14e3792b39a1660d29e8d4f8f87253b3eeb122cbd1713b212029132ef ............................................................................................................................................................................................................................................................................ 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 04:22:26,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:22:26,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:22:26,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:22:26,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:22:26,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:22:26,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:22:26,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:22:26,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:22:26,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:22:26,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:22:26,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:22:26,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:22:26,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:22:26,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:22:26,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:22:26,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:22:26,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:22:26,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:22:26,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:22:26,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:22:26,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:22:26,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:22:26,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:22:26,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:22:26,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:22:26,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:22:26,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:22:26,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:22:26,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:22:26,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:22:26,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:22:26,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:22:26,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:22:26,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:22:26,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:22:26,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:22:26,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:22:26,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:22:26,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:22:26,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:22:26,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287d7d86-1d69-40fc-9f29-293c0ed97dc8/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:22:26,725 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:22:26,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:22:26,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:22:26,729 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:22:26,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:22:26,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:22:26,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:22:26,731 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:22:26,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:22:26,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:22:26,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:22:26,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:22:26,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:22:26,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:22:26,742 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:22:26,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:22:26,742 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:22:26,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:22:26,743 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:22:26,743 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:22:26,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:22:26,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:22:26,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:22:26,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:22:26,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:22:26,745 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:22:26,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:22:26,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:22:26,746 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_287d7d86-1d69-40fc-9f29-293c0ed97dc8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287d7d86-1d69-40fc-9f29-293c0ed97dc8/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc06aa14e3792b39a1660d29e8d4f8f87253b3eeb122cbd1713b212029132ef [2021-10-29 04:22:27,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:22:27,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:22:27,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:22:27,145 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:22:27,147 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:22:27,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287d7d86-1d69-40fc-9f29-293c0ed97dc8/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem10_label09.c [2021-10-29 04:22:27,252 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287d7d86-1d69-40fc-9f29-293c0ed97dc8/bin/ukojak-Rh5K9KB4LI/data/3c4b15c39/56dd3cb8f5a446a4b08dec57dc2b814e/FLAG1d00b2568 [2021-10-29 04:22:27,968 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:22:27,968 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287d7d86-1d69-40fc-9f29-293c0ed97dc8/sv-benchmarks/c/eca-rers2012/Problem10_label09.c [2021-10-29 04:22:27,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287d7d86-1d69-40fc-9f29-293c0ed97dc8/bin/ukojak-Rh5K9KB4LI/data/3c4b15c39/56dd3cb8f5a446a4b08dec57dc2b814e/FLAG1d00b2568 [2021-10-29 04:22:28,163 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287d7d86-1d69-40fc-9f29-293c0ed97dc8/bin/ukojak-Rh5K9KB4LI/data/3c4b15c39/56dd3cb8f5a446a4b08dec57dc2b814e [2021-10-29 04:22:28,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:22:28,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:22:28,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:22:28,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:22:28,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:22:28,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:22:28" (1/1) ... [2021-10-29 04:22:28,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b28ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:28, skipping insertion in model container [2021-10-29 04:22:28,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:22:28" (1/1) ... [2021-10-29 04:22:28,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:22:28,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:22:28,572 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_287d7d86-1d69-40fc-9f29-293c0ed97dc8/sv-benchmarks/c/eca-rers2012/Problem10_label09.c[6451,6464] [2021-10-29 04:22:28,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:22:28,809 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:22:28,876 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_287d7d86-1d69-40fc-9f29-293c0ed97dc8/sv-benchmarks/c/eca-rers2012/Problem10_label09.c[6451,6464] [2021-10-29 04:22:29,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:22:29,025 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:22:29,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:29 WrapperNode [2021-10-29 04:22:29,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:22:29,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:22:29,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:22:29,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:22:29,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:29" (1/1) ... [2021-10-29 04:22:29,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:29" (1/1) ... [2021-10-29 04:22:29,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:22:29,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:22:29,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:22:29,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:22:29,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:29" (1/1) ... [2021-10-29 04:22:29,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:29" (1/1) ... [2021-10-29 04:22:29,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:29" (1/1) ... [2021-10-29 04:22:29,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:29" (1/1) ... [2021-10-29 04:22:29,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:29" (1/1) ... [2021-10-29 04:22:29,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:29" (1/1) ... [2021-10-29 04:22:29,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:29" (1/1) ... [2021-10-29 04:22:29,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:22:29,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:22:29,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:22:29,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:22:29,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:29" (1/1) ... [2021-10-29 04:22:29,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:22:29,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287d7d86-1d69-40fc-9f29-293c0ed97dc8/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:22:29,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287d7d86-1d69-40fc-9f29-293c0ed97dc8/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:22:29,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287d7d86-1d69-40fc-9f29-293c0ed97dc8/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:22:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:22:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:22:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:22:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:22:40,260 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:22:40,260 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 04:22:40,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:22:40 BoogieIcfgContainer [2021-10-29 04:22:40,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:22:40,264 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:22:40,264 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:22:40,279 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:22:40,279 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:22:40" (1/1) ... [2021-10-29 04:22:40,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:22:40,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:40,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 04:22:40,331 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 04:22:40,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:22:40,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:40,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:40,688 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 04:22:40,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:40,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 04:22:40,788 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 04:22:40,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:22:40,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:40,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:41,441 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 04:22:42,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:42,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2021-10-29 04:22:42,075 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2021-10-29 04:22:42,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:22:42,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:42,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:42,872 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 04:22:43,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:43,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2021-10-29 04:22:43,970 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2021-10-29 04:22:43,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:22:43,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:43,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:44,515 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 04:22:45,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:45,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2021-10-29 04:22:45,016 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2021-10-29 04:22:45,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:22:45,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:45,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:45,886 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 04:22:47,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:47,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2021-10-29 04:22:47,229 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2021-10-29 04:22:47,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:22:47,230 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:47,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 04:22:48,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:48,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2021-10-29 04:22:48,368 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2021-10-29 04:22:48,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 04:22:48,369 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:48,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-29 04:22:50,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:50,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2021-10-29 04:22:50,029 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2021-10-29 04:22:50,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:22:50,030 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2021-10-29 04:22:50,041 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:22:50,429 INFO L565 CodeCheckObserver]: Invariant with dag size 24 [2021-10-29 04:22:50,463 INFO L565 CodeCheckObserver]: Invariant with dag size 22 [2021-10-29 04:22:50,465 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:22:50,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:22:50 ImpRootNode [2021-10-29 04:22:50,466 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:22:50,467 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:22:50,467 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:22:50,468 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:22:50,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:22:40" (3/4) ... [2021-10-29 04:22:50,473 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:22:50,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 183 nodes and edges [2021-10-29 04:22:50,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-29 04:22:50,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 04:22:50,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:22:50,739 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287d7d86-1d69-40fc-9f29-293c0ed97dc8/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:22:50,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:22:50,742 INFO L168 Benchmark]: Toolchain (without parser) took 22572.22 ms. Allocated memory was 100.7 MB in the beginning and 539.0 MB in the end (delta: 438.3 MB). Free memory was 57.5 MB in the beginning and 335.0 MB in the end (delta: -277.5 MB). Peak memory consumption was 159.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:50,742 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 100.7 MB. Free memory is still 75.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:22:50,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 855.65 ms. Allocated memory is still 100.7 MB. Free memory was 57.3 MB in the beginning and 58.6 MB in the end (delta: -1.3 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:50,744 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.08 ms. Allocated memory is still 100.7 MB. Free memory was 58.6 MB in the beginning and 50.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:50,744 INFO L168 Benchmark]: Boogie Preprocessor took 94.06 ms. Allocated memory is still 100.7 MB. Free memory was 50.6 MB in the beginning and 45.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:50,745 INFO L168 Benchmark]: RCFGBuilder took 11009.63 ms. Allocated memory was 100.7 MB in the beginning and 350.2 MB in the end (delta: 249.6 MB). Free memory was 45.7 MB in the beginning and 171.1 MB in the end (delta: -125.4 MB). Peak memory consumption was 125.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:50,746 INFO L168 Benchmark]: CodeCheck took 10202.63 ms. Allocated memory was 350.2 MB in the beginning and 539.0 MB in the end (delta: 188.7 MB). Free memory was 171.1 MB in the beginning and 351.7 MB in the end (delta: -180.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:50,747 INFO L168 Benchmark]: Witness Printer took 272.74 ms. Allocated memory is still 539.0 MB. Free memory was 350.6 MB in the beginning and 335.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:22:50,750 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: 9.7s, 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: 840 SDtfs, 1648 SDslu, 1168 SDs, 0 SdLazy, 4896 SolverSat, 736 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 945 GetRequests, 811 SyntacticMatches, 44 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3806 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 1111 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 48/101 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 182]: 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: ((7 <= a19 && 14 == a4) && a12 == 0) || ((14 == a4 && (((a19 <= 5 || !(a10 == 2)) || a1 <= 38) || 219 <= a1)) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((6 < a19 || a19 <= 5) || !(a10 == 2)) || 218 < a1) || a1 <= 38) && 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 0.37 ms. Allocated memory is still 100.7 MB. Free memory is still 75.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 855.65 ms. Allocated memory is still 100.7 MB. Free memory was 57.3 MB in the beginning and 58.6 MB in the end (delta: -1.3 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 130.08 ms. Allocated memory is still 100.7 MB. Free memory was 58.6 MB in the beginning and 50.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.06 ms. Allocated memory is still 100.7 MB. Free memory was 50.6 MB in the beginning and 45.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11009.63 ms. Allocated memory was 100.7 MB in the beginning and 350.2 MB in the end (delta: 249.6 MB). Free memory was 45.7 MB in the beginning and 171.1 MB in the end (delta: -125.4 MB). Peak memory consumption was 125.2 MB. Max. memory is 16.1 GB. * CodeCheck took 10202.63 ms. Allocated memory was 350.2 MB in the beginning and 539.0 MB in the end (delta: 188.7 MB). Free memory was 171.1 MB in the beginning and 351.7 MB in the end (delta: -180.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Witness Printer took 272.74 ms. Allocated memory is still 539.0 MB. Free memory was 350.6 MB in the beginning and 335.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:22:50,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_287d7d86-1d69-40fc-9f29-293c0ed97dc8/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...