./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test24-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test24-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu --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 61e163c7079e2ec105ad677de51f27ac7eccc49ef492909c4fa51ebc02ead9b7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:19,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:19,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:19,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:19,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:19,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:19,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:19,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:19,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:19,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:19,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:19,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:19,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:19,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:19,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:19,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:19,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:19,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:19,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:19,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:19,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:19,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:19,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:19,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:19,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:19,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:19,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:19,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:19,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:19,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:19,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:19,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:19,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:19,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:19,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:19,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:19,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:19,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:19,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:19,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:19,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:19,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:51:19,787 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:19,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:19,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:19,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:19,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:19,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:19,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:19,790 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:19,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:51:19,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:19,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:19,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:19,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:19,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:19,793 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:19,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:19,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:19,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:19,794 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:19,794 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:19,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:19,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:19,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:19,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:19,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:19,796 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:51:19,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:51:19,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:19,797 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_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61e163c7079e2ec105ad677de51f27ac7eccc49ef492909c4fa51ebc02ead9b7 [2021-11-23 15:51:20,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:20,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:20,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:20,152 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:20,154 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:20,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-regression/test24-1.c [2021-11-23 15:51:20,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu/data/46bdef1cb/47e6a82a96fe44de86aa75803849963b/FLAG62f2d4e0c [2021-11-23 15:51:20,718 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:20,718 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/sv-benchmarks/c/ldv-regression/test24-1.c [2021-11-23 15:51:20,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu/data/46bdef1cb/47e6a82a96fe44de86aa75803849963b/FLAG62f2d4e0c [2021-11-23 15:51:21,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu/data/46bdef1cb/47e6a82a96fe44de86aa75803849963b [2021-11-23 15:51:21,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:21,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:21,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:21,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:21,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:21,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:21" (1/1) ... [2021-11-23 15:51:21,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c4c2d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:21, skipping insertion in model container [2021-11-23 15:51:21,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:21" (1/1) ... [2021-11-23 15:51:21,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:21,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:21,288 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_adbdf04c-c362-4acb-887b-039381208f39/sv-benchmarks/c/ldv-regression/test24-1.c[704,717] [2021-11-23 15:51:21,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:21,306 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:21,333 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_adbdf04c-c362-4acb-887b-039381208f39/sv-benchmarks/c/ldv-regression/test24-1.c[704,717] [2021-11-23 15:51:21,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:21,356 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:21,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:21 WrapperNode [2021-11-23 15:51:21,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:21,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:21,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:21,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:21,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:21" (1/1) ... [2021-11-23 15:51:21,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:21" (1/1) ... [2021-11-23 15:51:21,404 INFO L137 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2021-11-23 15:51:21,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:21,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:21,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:21,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:21,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:21" (1/1) ... [2021-11-23 15:51:21,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:21" (1/1) ... [2021-11-23 15:51:21,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:21" (1/1) ... [2021-11-23 15:51:21,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:21" (1/1) ... [2021-11-23 15:51:21,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:21" (1/1) ... [2021-11-23 15:51:21,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:21" (1/1) ... [2021-11-23 15:51:21,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:21" (1/1) ... [2021-11-23 15:51:21,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:21,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:21,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:21,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:21,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:21" (1/1) ... [2021-11-23 15:51:21,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:21,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:21,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:21,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:21,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:51:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:51:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:51:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:21,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:51:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:51:21,630 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:21,632 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:21,767 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:21,784 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:51:21,784 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 15:51:21,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:21 BoogieIcfgContainer [2021-11-23 15:51:21,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:51:21,787 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:51:21,787 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:51:21,798 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:51:21,798 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:21" (1/1) ... [2021-11-23 15:51:21,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:51:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:21,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-23 15:51:21,864 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-23 15:51:21,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:51:21,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:21,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:22,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:22,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2021-11-23 15:51:22,155 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-11-23 15:51:22,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:51:22,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:22,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:22,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:22,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:22,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2021-11-23 15:51:22,445 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-11-23 15:51:22,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:51:22,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:22,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:22,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2021-11-23 15:51:22,774 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2021-11-23 15:51:22,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:51:22,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:22,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:23,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:23,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 15:51:23,441 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 15:51:23,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:51:23,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:23,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:23,622 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:24,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:24,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2021-11-23 15:51:24,128 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2021-11-23 15:51:24,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:51:24,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:24,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:24,291 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:24,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:24,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-23 15:51:24,702 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-23 15:51:24,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:51:24,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:24,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2021-11-23 15:51:25,250 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2021-11-23 15:51:25,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:51:25,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:25,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-11-23 15:51:25,766 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-23 15:51:25,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 15:51:25,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:25,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:25,911 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:26,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2021-11-23 15:51:26,326 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2021-11-23 15:51:26,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 15:51:26,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:26,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:26,424 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:26,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2021-11-23 15:51:26,821 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2021-11-23 15:51:26,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:51:26,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:26,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:26,949 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:27,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2021-11-23 15:51:27,404 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2021-11-23 15:51:27,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:51:27,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:27,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:27,899 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-23 15:51:32,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:32,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2021-11-23 15:51:32,893 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2021-11-23 15:51:32,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:51:32,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:32,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:33,466 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 135 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:34,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2021-11-23 15:51:34,106 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2021-11-23 15:51:34,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:51:34,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:51:34,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:51:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:51:34,591 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 147 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:51:35,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:51:35,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2021-11-23 15:51:35,065 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2021-11-23 15:51:35,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 15:51:35,065 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2021-11-23 15:51:35,074 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 15:51:35,211 INFO L560 CodeCheckObserver]: Invariant with dag size 68 [2021-11-23 15:51:35,240 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2021-11-23 15:51:35,241 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 15:51:35,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:51:35 ImpRootNode [2021-11-23 15:51:35,242 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 15:51:35,242 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 15:51:35,242 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 15:51:35,242 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 15:51:35,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:21" (3/4) ... [2021-11-23 15:51:35,246 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 15:51:35,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-23 15:51:35,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-23 15:51:35,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 15:51:35,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 15:51:35,303 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu/witness.graphml [2021-11-23 15:51:35,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 15:51:35,304 INFO L158 Benchmark]: Toolchain (without parser) took 14232.67ms. Allocated memory was 88.1MB in the beginning and 195.0MB in the end (delta: 107.0MB). Free memory was 52.9MB in the beginning and 103.4MB in the end (delta: -50.5MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:35,304 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:35,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.20ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 52.7MB in the beginning and 87.7MB in the end (delta: -35.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:35,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.22ms. Allocated memory is still 111.1MB. Free memory was 87.7MB in the beginning and 86.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:35,306 INFO L158 Benchmark]: Boogie Preprocessor took 45.16ms. Allocated memory is still 111.1MB. Free memory was 86.1MB in the beginning and 85.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:35,307 INFO L158 Benchmark]: RCFGBuilder took 335.31ms. Allocated memory is still 111.1MB. Free memory was 85.0MB in the beginning and 75.1MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:35,308 INFO L158 Benchmark]: CodeCheck took 13454.40ms. Allocated memory was 111.1MB in the beginning and 195.0MB in the end (delta: 83.9MB). Free memory was 75.0MB in the beginning and 106.5MB in the end (delta: -31.5MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2021-11-23 15:51:35,308 INFO L158 Benchmark]: Witness Printer took 60.70ms. Allocated memory is still 195.0MB. Free memory was 106.5MB in the beginning and 103.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:35,312 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.2s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 426 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 202 mSDsluCounter, 112 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 677 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2069 IncrementalHoareTripleChecker+Invalid, 2746 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 677 mSolverCounterUnsat, 112 mSDtfsCounter, 2069 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2380 GetRequests, 2000 SyntacticMatches, 148 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30349 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 243 ConstructedInterpolants, 0 QuantifiedInterpolants, 1971 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 363/778 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: 38]: 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: 28]: Loop Invariant Derived loop invariant: ((((((((((i + 10 == unknown-#memory_int-unknown[pa][pa] && unknown-#memory_int-unknown[pa][pa] == unknown-#memory_int-unknown[ad1][unknown-#memory_int-unknown[pa][pa] * 8 + ad1]) || ((i + 4 <= unknown-#memory_int-unknown[pa][pa] && unknown-#memory_int-unknown[pa][pa] < 5 + i) && unknown-#memory_int-unknown[pa][pa] == unknown-#memory_int-unknown[ad1][unknown-#memory_int-unknown[pa][pa] * 8 + ad1])) || ((3 + i <= unknown-#memory_int-unknown[pa][pa] && unknown-#memory_int-unknown[pa][pa] < i + 4) && unknown-#memory_int-unknown[pa][pa] == unknown-#memory_int-unknown[ad1][unknown-#memory_int-unknown[pa][pa] * 8 + ad1])) || ((9 + i <= unknown-#memory_int-unknown[pa][pa] && unknown-#memory_int-unknown[pa][pa] == unknown-#memory_int-unknown[ad1][unknown-#memory_int-unknown[pa][pa] * 8 + ad1]) && unknown-#memory_int-unknown[pa][pa] < i + 10)) || ((7 + i <= unknown-#memory_int-unknown[pa][pa] && unknown-#memory_int-unknown[pa][pa] == unknown-#memory_int-unknown[ad1][unknown-#memory_int-unknown[pa][pa] * 8 + ad1]) && unknown-#memory_int-unknown[pa][pa] < i + 8)) || ((unknown-#memory_int-unknown[pa][pa] == unknown-#memory_int-unknown[ad1][unknown-#memory_int-unknown[pa][pa] * 8 + ad1] && unknown-#memory_int-unknown[pa][pa] < i + 1) && 8 * i <= 8 * unknown-#memory_int-unknown[pa][pa])) || ((unknown-#memory_int-unknown[pa][pa] < 2 + i && i + 1 <= unknown-#memory_int-unknown[pa][pa]) && unknown-#memory_int-unknown[pa][pa] == unknown-#memory_int-unknown[ad1][unknown-#memory_int-unknown[pa][pa] * 8 + ad1])) || ((i + 8 <= unknown-#memory_int-unknown[pa][pa] && unknown-#memory_int-unknown[pa][pa] < 9 + i) && unknown-#memory_int-unknown[pa][pa] == unknown-#memory_int-unknown[ad1][unknown-#memory_int-unknown[pa][pa] * 8 + ad1])) || ((unknown-#memory_int-unknown[pa][pa] < 6 + i && 5 + i <= unknown-#memory_int-unknown[pa][pa]) && unknown-#memory_int-unknown[pa][pa] == unknown-#memory_int-unknown[ad1][unknown-#memory_int-unknown[pa][pa] * 8 + ad1])) || ((unknown-#memory_int-unknown[pa][pa] < 3 + i && 2 + i <= unknown-#memory_int-unknown[pa][pa]) && unknown-#memory_int-unknown[pa][pa] == unknown-#memory_int-unknown[ad1][unknown-#memory_int-unknown[pa][pa] * 8 + ad1])) || ((unknown-#memory_int-unknown[pa][pa] < 7 + i && 6 + i <= unknown-#memory_int-unknown[pa][pa]) && unknown-#memory_int-unknown[pa][pa] == unknown-#memory_int-unknown[ad1][unknown-#memory_int-unknown[pa][pa] * 8 + ad1]) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: unknown-#memory_int-unknown[ad1][i * 8 + ad1] == i - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.20ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 52.7MB in the beginning and 87.7MB in the end (delta: -35.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.22ms. Allocated memory is still 111.1MB. Free memory was 87.7MB in the beginning and 86.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.16ms. Allocated memory is still 111.1MB. Free memory was 86.1MB in the beginning and 85.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 335.31ms. Allocated memory is still 111.1MB. Free memory was 85.0MB in the beginning and 75.1MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 13454.40ms. Allocated memory was 111.1MB in the beginning and 195.0MB in the end (delta: 83.9MB). Free memory was 75.0MB in the beginning and 106.5MB in the end (delta: -31.5MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * Witness Printer took 60.70ms. Allocated memory is still 195.0MB. Free memory was 106.5MB in the beginning and 103.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 15:51:35,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdf04c-c362-4acb-887b-039381208f39/bin/ukojak-CwSLpZB5Qu/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