./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label05.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_b57b5459-5bd3-4b22-9348-28cbcc8dda99/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57b5459-5bd3-4b22-9348-28cbcc8dda99/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_b57b5459-5bd3-4b22-9348-28cbcc8dda99/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57b5459-5bd3-4b22-9348-28cbcc8dda99/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57b5459-5bd3-4b22-9348-28cbcc8dda99/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_b57b5459-5bd3-4b22-9348-28cbcc8dda99/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 e02cb01095391f043ac338e051aad38ada321e317716e1cbc4cb781d100f4706 .................................................................................................................................................................................................................................................... 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 03:08:01,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:08:01,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:08:02,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:08:02,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:08:02,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:08:02,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:08:02,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:08:02,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:08:02,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:08:02,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:08:02,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:08:02,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:08:02,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:08:02,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:08:02,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:08:02,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:08:02,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:08:02,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:08:02,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:08:02,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:08:02,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:08:02,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:08:02,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:08:02,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:08:02,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:08:02,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:08:02,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:08:02,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:08:02,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:08:02,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:08:02,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:08:02,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:08:02,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:08:02,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:08:02,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:08:02,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:08:02,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:08:02,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:08:02,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:08:02,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:08:02,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57b5459-5bd3-4b22-9348-28cbcc8dda99/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:08:02,187 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:08:02,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:08:02,191 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:08:02,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:08:02,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:08:02,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:08:02,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:08:02,193 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:08:02,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:08:02,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:08:02,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:08:02,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:08:02,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:08:02,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:08:02,196 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:08:02,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:08:02,196 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:08:02,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:08:02,197 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:08:02,197 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:08:02,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:08:02,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:08:02,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:08:02,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:08:02,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:08:02,198 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:08:02,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:08:02,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:08:02,199 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_b57b5459-5bd3-4b22-9348-28cbcc8dda99/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57b5459-5bd3-4b22-9348-28cbcc8dda99/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e02cb01095391f043ac338e051aad38ada321e317716e1cbc4cb781d100f4706 [2021-10-29 03:08:02,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:08:02,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:08:02,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:08:02,549 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:08:02,550 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:08:02,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57b5459-5bd3-4b22-9348-28cbcc8dda99/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c [2021-10-29 03:08:02,627 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57b5459-5bd3-4b22-9348-28cbcc8dda99/bin/ukojak-Rh5K9KB4LI/data/8d3f3e008/024b3e0f01c949d2881b4c89f10f7452/FLAG745d435ad [2021-10-29 03:08:03,216 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:08:03,217 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57b5459-5bd3-4b22-9348-28cbcc8dda99/sv-benchmarks/c/eca-rers2012/Problem14_label05.c [2021-10-29 03:08:03,233 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57b5459-5bd3-4b22-9348-28cbcc8dda99/bin/ukojak-Rh5K9KB4LI/data/8d3f3e008/024b3e0f01c949d2881b4c89f10f7452/FLAG745d435ad [2021-10-29 03:08:03,477 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57b5459-5bd3-4b22-9348-28cbcc8dda99/bin/ukojak-Rh5K9KB4LI/data/8d3f3e008/024b3e0f01c949d2881b4c89f10f7452 [2021-10-29 03:08:03,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:08:03,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:08:03,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:08:03,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:08:03,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:08:03,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:08:03" (1/1) ... [2021-10-29 03:08:03,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704af1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:03, skipping insertion in model container [2021-10-29 03:08:03,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:08:03" (1/1) ... [2021-10-29 03:08:03,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:08:03,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:08:03,780 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_b57b5459-5bd3-4b22-9348-28cbcc8dda99/sv-benchmarks/c/eca-rers2012/Problem14_label05.c[6428,6441] [2021-10-29 03:08:03,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:08:03,994 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:08:04,041 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_b57b5459-5bd3-4b22-9348-28cbcc8dda99/sv-benchmarks/c/eca-rers2012/Problem14_label05.c[6428,6441] [2021-10-29 03:08:04,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:08:04,186 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:08:04,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:04 WrapperNode [2021-10-29 03:08:04,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:08:04,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:08:04,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:08:04,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:08:04,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:04" (1/1) ... [2021-10-29 03:08:04,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:04" (1/1) ... [2021-10-29 03:08:04,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:08:04,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:08:04,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:08:04,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:08:04,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:04" (1/1) ... [2021-10-29 03:08:04,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:04" (1/1) ... [2021-10-29 03:08:04,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:04" (1/1) ... [2021-10-29 03:08:04,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:04" (1/1) ... [2021-10-29 03:08:04,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:04" (1/1) ... [2021-10-29 03:08:04,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:04" (1/1) ... [2021-10-29 03:08:04,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:04" (1/1) ... [2021-10-29 03:08:04,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:08:04,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:08:04,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:08:04,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:08:04,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:04" (1/1) ... [2021-10-29 03:08:04,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:08:04,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57b5459-5bd3-4b22-9348-28cbcc8dda99/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:08:04,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57b5459-5bd3-4b22-9348-28cbcc8dda99/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:08:04,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57b5459-5bd3-4b22-9348-28cbcc8dda99/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:08:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:08:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:08:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:08:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:08:18,168 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:08:18,168 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:08:18,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:08:18 BoogieIcfgContainer [2021-10-29 03:08:18,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:08:18,172 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:08:18,173 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:08:18,184 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:08:18,184 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:08:18" (1/1) ... [2021-10-29 03:08:18,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:08:18,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:18,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:08:18,231 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:08:18,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:08:18,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:18,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:18,526 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 03:08:18,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:18,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:08:18,608 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:08:18,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:08:18,609 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:18,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:19,174 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 03:08:19,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:19,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-10-29 03:08:19,665 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-10-29 03:08:19,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:08:19,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:19,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:20,756 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 03:08:21,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:21,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2021-10-29 03:08:21,874 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2021-10-29 03:08:21,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:08:21,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:21,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:23,230 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 03:08:23,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:23,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2021-10-29 03:08:23,632 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2021-10-29 03:08:23,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:08:23,633 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-10-29 03:08:23,640 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:08:23,957 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:08:23,961 INFO L565 CodeCheckObserver]: Invariant with dag size 22 [2021-10-29 03:08:23,969 INFO L565 CodeCheckObserver]: Invariant with dag size 22 [2021-10-29 03:08:23,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:08:23 ImpRootNode [2021-10-29 03:08:23,970 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:08:23,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:08:23,971 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:08:23,971 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:08:23,972 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:08:18" (3/4) ... [2021-10-29 03:08:23,976 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:08:24,017 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 221 nodes and edges [2021-10-29 03:08:24,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-29 03:08:24,023 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:08:24,026 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:08:24,223 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57b5459-5bd3-4b22-9348-28cbcc8dda99/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:08:24,224 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:08:24,226 INFO L168 Benchmark]: Toolchain (without parser) took 20744.32 ms. Allocated memory was 92.3 MB in the beginning and 775.9 MB in the end (delta: 683.7 MB). Free memory was 54.6 MB in the beginning and 398.2 MB in the end (delta: -343.5 MB). Peak memory consumption was 339.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:24,226 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 64.9 MB in the beginning and 64.8 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:08:24,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.40 ms. Allocated memory is still 92.3 MB. Free memory was 54.6 MB in the beginning and 43.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:24,227 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.62 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 43.5 MB in the beginning and 83.1 MB in the end (delta: -39.6 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:24,228 INFO L168 Benchmark]: Boogie Preprocessor took 136.21 ms. Allocated memory is still 111.1 MB. Free memory was 83.1 MB in the beginning and 77.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:24,228 INFO L168 Benchmark]: RCFGBuilder took 13677.58 ms. Allocated memory was 111.1 MB in the beginning and 775.9 MB in the end (delta: 664.8 MB). Free memory was 76.8 MB in the beginning and 529.1 MB in the end (delta: -452.4 MB). Peak memory consumption was 273.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:24,229 INFO L168 Benchmark]: CodeCheck took 5798.07 ms. Allocated memory is still 775.9 MB. Free memory was 529.1 MB in the beginning and 419.1 MB in the end (delta: 110.1 MB). Peak memory consumption was 111.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:24,229 INFO L168 Benchmark]: Witness Printer took 253.07 ms. Allocated memory is still 775.9 MB. Free memory was 419.1 MB in the beginning and 398.2 MB in the end (delta: 20.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:24,232 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: 5.4s, 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, 192 SDslu, 136 SDs, 0 SdLazy, 580 SolverSat, 96 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 396 GetRequests, 349 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 964 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 471 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: 203]: 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: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((5 < a15 || a12 + 43 <= 0) || 12 <= a12) || !(a24 == 1)) || a21 <= 6) || a15 <= 4) || 8 <= a21 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((5 < a15 || a12 + 43 <= 0) || 12 <= a12) || !(a24 == 1)) || a21 <= 6) || a15 <= 4) || 7 < a21 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 64.9 MB in the beginning and 64.8 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 705.40 ms. Allocated memory is still 92.3 MB. Free memory was 54.6 MB in the beginning and 43.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 166.62 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 43.5 MB in the beginning and 83.1 MB in the end (delta: -39.6 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 136.21 ms. Allocated memory is still 111.1 MB. Free memory was 83.1 MB in the beginning and 77.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 13677.58 ms. Allocated memory was 111.1 MB in the beginning and 775.9 MB in the end (delta: 664.8 MB). Free memory was 76.8 MB in the beginning and 529.1 MB in the end (delta: -452.4 MB). Peak memory consumption was 273.7 MB. Max. memory is 16.1 GB. * CodeCheck took 5798.07 ms. Allocated memory is still 775.9 MB. Free memory was 529.1 MB in the beginning and 419.1 MB in the end (delta: 110.1 MB). Peak memory consumption was 111.1 MB. Max. memory is 16.1 GB. * Witness Printer took 253.07 ms. Allocated memory is still 775.9 MB. Free memory was 419.1 MB in the beginning and 398.2 MB in the end (delta: 20.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:08:24,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b57b5459-5bd3-4b22-9348-28cbcc8dda99/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...