./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/bhmr2007.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/bhmr2007.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB --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 07cb9038cdaf0e413365ff784390031a7ba733892c02a00ed18b47b0bbaf3c4d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:53:30,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:53:30,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:53:30,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:53:30,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:53:30,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:53:30,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:53:30,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:53:30,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:53:30,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:53:30,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:53:30,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:53:30,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:53:30,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:53:30,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:53:30,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:53:30,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:53:30,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:53:30,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:53:30,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:53:30,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:53:30,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:53:30,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:53:30,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:53:30,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:53:30,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:53:30,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:53:30,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:53:30,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:53:30,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:53:30,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:53:30,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:53:30,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:53:30,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:53:30,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:53:30,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:53:30,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:53:30,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:53:30,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:53:30,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:53:30,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:53:30,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:53:30,809 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:53:30,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:53:30,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:53:30,811 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:53:30,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:53:30,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:53:30,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:53:30,813 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:53:30,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:53:30,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:53:30,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:53:30,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:53:30,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:53:30,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:53:30,815 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:53:30,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:53:30,816 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:53:30,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:53:30,817 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:53:30,817 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:53:30,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:53:30,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:30,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:53:30,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:53:30,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:53:30,819 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:53:30,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:53:30,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:53:30,820 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_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cb9038cdaf0e413365ff784390031a7ba733892c02a00ed18b47b0bbaf3c4d [2022-10-17 16:53:31,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:53:31,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:53:31,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:53:31,199 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:53:31,201 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:53:31,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-lit/bhmr2007.i [2022-10-17 16:53:31,271 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB/data/3eb8a69a7/0229645b39ac4fd1ae9083aa2206ef4f/FLAG635c3582a [2022-10-17 16:53:31,789 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:53:31,790 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/sv-benchmarks/c/loop-lit/bhmr2007.i [2022-10-17 16:53:31,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB/data/3eb8a69a7/0229645b39ac4fd1ae9083aa2206ef4f/FLAG635c3582a [2022-10-17 16:53:32,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB/data/3eb8a69a7/0229645b39ac4fd1ae9083aa2206ef4f [2022-10-17 16:53:32,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:53:32,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:53:32,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:32,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:53:32,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:53:32,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:32" (1/1) ... [2022-10-17 16:53:32,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14524ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:32, skipping insertion in model container [2022-10-17 16:53:32,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:32" (1/1) ... [2022-10-17 16:53:32,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:53:32,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:53:32,411 WARN L230 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_9fbbc90f-76ec-43cd-8ac8-33aba291b784/sv-benchmarks/c/loop-lit/bhmr2007.i[895,908] [2022-10-17 16:53:32,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:32,442 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:53:32,458 WARN L230 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_9fbbc90f-76ec-43cd-8ac8-33aba291b784/sv-benchmarks/c/loop-lit/bhmr2007.i[895,908] [2022-10-17 16:53:32,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:32,490 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:53:32,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:32 WrapperNode [2022-10-17 16:53:32,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:32,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:32,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:53:32,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:53:32,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:32" (1/1) ... [2022-10-17 16:53:32,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:32" (1/1) ... [2022-10-17 16:53:32,532 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2022-10-17 16:53:32,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:32,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:53:32,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:53:32,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:53:32,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:32" (1/1) ... [2022-10-17 16:53:32,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:32" (1/1) ... [2022-10-17 16:53:32,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:32" (1/1) ... [2022-10-17 16:53:32,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:32" (1/1) ... [2022-10-17 16:53:32,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:32" (1/1) ... [2022-10-17 16:53:32,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:32" (1/1) ... [2022-10-17 16:53:32,564 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:32" (1/1) ... [2022-10-17 16:53:32,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:32" (1/1) ... [2022-10-17 16:53:32,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:53:32,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:53:32,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:53:32,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:53:32,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:32" (1/1) ... [2022-10-17 16:53:32,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:32,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:53:32,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:53:32,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:53:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:53:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:53:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:53:32,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:53:32,755 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:53:32,758 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:53:32,945 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:53:33,015 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:53:33,020 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:53:33,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:33 BoogieIcfgContainer [2022-10-17 16:53:33,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:53:33,025 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:53:33,026 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:53:33,038 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:53:33,038 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:33" (1/1) ... [2022-10-17 16:53:33,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:53:33,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:33,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 16:53:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 16:53:33,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:53:33,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:33,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:33,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:33,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:33,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 16:53:33,827 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 16:53:33,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:53:33,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:33,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:34,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:34,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:34,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:53:34,393 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:53:34,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:53:34,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:34,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:35,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:35,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 8 states and 11 transitions. [2022-10-17 16:53:35,163 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 11 transitions. [2022-10-17 16:53:35,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:53:35,164 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2022-10-17 16:53:35,175 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:53:35,239 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:35,244 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-10-17 16:53:35,258 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:35,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:53:35 ImpRootNode [2022-10-17 16:53:35,259 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:53:35,260 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:53:35,260 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:53:35,261 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:53:35,261 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:33" (3/4) ... [2022-10-17 16:53:35,265 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:53:35,289 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-10-17 16:53:35,289 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 16:53:35,290 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:53:35,290 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:53:35,380 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:53:35,388 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:53:35,390 INFO L158 Benchmark]: Toolchain (without parser) took 3240.95ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 63.9MB in the beginning and 84.6MB in the end (delta: -20.7MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2022-10-17 16:53:35,391 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 104.9MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:53:35,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.21ms. Allocated memory is still 104.9MB. Free memory was 63.7MB in the beginning and 79.8MB in the end (delta: -16.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:53:35,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.54ms. Allocated memory is still 104.9MB. Free memory was 79.8MB in the beginning and 78.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:53:35,396 INFO L158 Benchmark]: Boogie Preprocessor took 39.73ms. Allocated memory is still 104.9MB. Free memory was 78.3MB in the beginning and 77.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:53:35,404 INFO L158 Benchmark]: RCFGBuilder took 449.22ms. Allocated memory is still 104.9MB. Free memory was 77.1MB in the beginning and 66.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:53:35,405 INFO L158 Benchmark]: CodeCheck took 2234.26ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 65.9MB in the beginning and 87.6MB in the end (delta: -21.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-10-17 16:53:35,406 INFO L158 Benchmark]: Witness Printer took 128.74ms. Allocated memory is still 130.0MB. Free memory was 87.6MB in the beginning and 84.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:53:35,410 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: 2.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 15 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 129 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 143 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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: 19]: 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: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (a + b < 3 * n + 1 && 3 * i <= a + b) && a + b <= 3 * i - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 104.9MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.21ms. Allocated memory is still 104.9MB. Free memory was 63.7MB in the beginning and 79.8MB in the end (delta: -16.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.54ms. Allocated memory is still 104.9MB. Free memory was 79.8MB in the beginning and 78.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.73ms. Allocated memory is still 104.9MB. Free memory was 78.3MB in the beginning and 77.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 449.22ms. Allocated memory is still 104.9MB. Free memory was 77.1MB in the beginning and 66.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2234.26ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 65.9MB in the beginning and 87.6MB in the end (delta: -21.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Witness Printer took 128.74ms. Allocated memory is still 130.0MB. Free memory was 87.6MB in the beginning and 84.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:53:35,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbbc90f-76ec-43cd-8ac8-33aba291b784/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE