./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c --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_f3b19978-f2d7-41b6-9222-0d46d112a4a9/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b19978-f2d7-41b6-9222-0d46d112a4a9/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_f3b19978-f2d7-41b6-9222-0d46d112a4a9/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b19978-f2d7-41b6-9222-0d46d112a4a9/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b19978-f2d7-41b6-9222-0d46d112a4a9/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_f3b19978-f2d7-41b6-9222-0d46d112a4a9/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 a8cbadc91a04c54d3edeab185746e7079308438831f961005daba56edf159b5c --- 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 16:44:29,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:44:29,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:44:29,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:44:29,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:44:29,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:44:29,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:44:29,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:44:29,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:44:29,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:44:29,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:44:29,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:44:29,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:44:29,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:44:29,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:44:29,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:44:29,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:44:29,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:44:29,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:44:29,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:44:29,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:44:29,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:44:29,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:44:29,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:44:29,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:44:29,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:44:29,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:44:29,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:44:29,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:44:29,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:44:29,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:44:29,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:44:29,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:44:29,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:44:29,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:44:29,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:44:29,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:44:29,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:44:29,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:44:29,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:44:29,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:44:29,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b19978-f2d7-41b6-9222-0d46d112a4a9/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:44:29,756 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:44:29,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:44:29,758 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:44:29,758 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:44:29,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:44:29,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:44:29,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:44:29,760 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:44:29,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:44:29,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:44:29,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:44:29,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:44:29,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:44:29,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:44:29,763 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:44:29,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:44:29,764 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:44:29,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:44:29,765 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:44:29,765 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:44:29,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:44:29,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:29,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:44:29,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:44:29,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:44:29,767 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:44:29,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:44:29,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:44:29,769 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_f3b19978-f2d7-41b6-9222-0d46d112a4a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b19978-f2d7-41b6-9222-0d46d112a4a9/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8cbadc91a04c54d3edeab185746e7079308438831f961005daba56edf159b5c [2022-10-17 16:44:30,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:44:30,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:44:30,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:44:30,119 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:44:30,121 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:44:30,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b19978-f2d7-41b6-9222-0d46d112a4a9/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c [2022-10-17 16:44:30,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b19978-f2d7-41b6-9222-0d46d112a4a9/bin/ukojak-92XMlrwhuB/data/ba9798181/7600726a8e804399b0d9b3cf18c068b5/FLAGccbce2ddc [2022-10-17 16:44:30,762 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:44:30,765 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b19978-f2d7-41b6-9222-0d46d112a4a9/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c [2022-10-17 16:44:30,773 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b19978-f2d7-41b6-9222-0d46d112a4a9/bin/ukojak-92XMlrwhuB/data/ba9798181/7600726a8e804399b0d9b3cf18c068b5/FLAGccbce2ddc [2022-10-17 16:44:31,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b19978-f2d7-41b6-9222-0d46d112a4a9/bin/ukojak-92XMlrwhuB/data/ba9798181/7600726a8e804399b0d9b3cf18c068b5 [2022-10-17 16:44:31,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:44:31,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:44:31,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:31,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:44:31,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:44:31,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:31" (1/1) ... [2022-10-17 16:44:31,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d3228e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:31, skipping insertion in model container [2022-10-17 16:44:31,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:31" (1/1) ... [2022-10-17 16:44:31,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:44:31,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:44:31,390 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_f3b19978-f2d7-41b6-9222-0d46d112a4a9/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c[525,538] [2022-10-17 16:44:31,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:31,427 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:44:31,446 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_f3b19978-f2d7-41b6-9222-0d46d112a4a9/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c[525,538] [2022-10-17 16:44:31,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:31,489 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:44:31,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:31 WrapperNode [2022-10-17 16:44:31,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:31,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:31,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:44:31,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:44:31,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:31" (1/1) ... [2022-10-17 16:44:31,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:31" (1/1) ... [2022-10-17 16:44:31,540 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2022-10-17 16:44:31,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:31,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:44:31,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:44:31,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:44:31,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:31" (1/1) ... [2022-10-17 16:44:31,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:31" (1/1) ... [2022-10-17 16:44:31,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:31" (1/1) ... [2022-10-17 16:44:31,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:31" (1/1) ... [2022-10-17 16:44:31,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:31" (1/1) ... [2022-10-17 16:44:31,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:31" (1/1) ... [2022-10-17 16:44:31,581 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:31" (1/1) ... [2022-10-17 16:44:31,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:31" (1/1) ... [2022-10-17 16:44:31,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:44:31,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:44:31,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:44:31,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:44:31,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:31" (1/1) ... [2022-10-17 16:44:31,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:31,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b19978-f2d7-41b6-9222-0d46d112a4a9/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:44:31,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b19978-f2d7-41b6-9222-0d46d112a4a9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:44:31,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b19978-f2d7-41b6-9222-0d46d112a4a9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:44:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:44:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:44:31,687 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:44:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:44:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:44:31,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:44:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:44:31,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:44:31,762 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:44:31,764 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:44:31,967 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:44:31,995 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:44:31,995 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:44:31,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:31 BoogieIcfgContainer [2022-10-17 16:44:31,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:44:31,999 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:44:32,000 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:44:32,012 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:44:32,012 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:31" (1/1) ... [2022-10-17 16:44:32,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:44:32,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:32,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2022-10-17 16:44:32,088 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-10-17 16:44:32,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:44:32,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:32,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:32,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:44:32,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:44:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:44:32,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:32,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2022-10-17 16:44:32,680 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2022-10-17 16:44:32,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:44:32,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:32,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:32,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:44:32,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:44:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:44:33,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:33,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2022-10-17 16:44:33,299 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2022-10-17 16:44:33,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:44:33,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:33,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:33,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:44:33,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:44:33,962 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:44:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:35,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 50 transitions. [2022-10-17 16:44:35,114 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2022-10-17 16:44:35,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:44:35,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:35,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:35,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:44:35,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:44:35,363 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:44:37,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:37,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 22 states and 27 transitions. [2022-10-17 16:44:37,043 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-10-17 16:44:37,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:44:37,044 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-10-17 16:44:37,054 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:44:37,216 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:44:37,221 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:44:37,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:44:37 ImpRootNode [2022-10-17 16:44:37,222 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:44:37,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:44:37,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:44:37,223 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:44:37,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:31" (3/4) ... [2022-10-17 16:44:37,227 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:44:37,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-10-17 16:44:37,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-10-17 16:44:37,239 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-10-17 16:44:37,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 16:44:37,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:44:37,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:44:37,286 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b19978-f2d7-41b6-9222-0d46d112a4a9/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:44:37,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:44:37,288 INFO L158 Benchmark]: Toolchain (without parser) took 6192.25ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 73.6MB in the beginning and 93.1MB in the end (delta: -19.5MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-10-17 16:44:37,289 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 58.0MB in the beginning and 57.8MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:44:37,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.46ms. Allocated memory is still 100.7MB. Free memory was 73.4MB in the beginning and 74.2MB in the end (delta: -832.5kB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2022-10-17 16:44:37,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.40ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 72.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:44:37,290 INFO L158 Benchmark]: Boogie Preprocessor took 45.65ms. Allocated memory is still 100.7MB. Free memory was 72.5MB in the beginning and 71.6MB in the end (delta: 911.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:44:37,291 INFO L158 Benchmark]: RCFGBuilder took 409.41ms. Allocated memory is still 100.7MB. Free memory was 71.6MB in the beginning and 60.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:44:37,292 INFO L158 Benchmark]: CodeCheck took 5222.25ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 60.0MB in the beginning and 96.2MB in the end (delta: -36.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:44:37,292 INFO L158 Benchmark]: Witness Printer took 64.68ms. Allocated memory is still 132.1MB. Free memory was 96.2MB in the beginning and 93.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:44:37,295 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 3 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 197 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 148 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 292 IncrementalHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 92 mSDtfsCounter, 292 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 808 GetRequests, 746 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1015 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 397 SizeOfPredicates, 7 NumberOfNonLiveVariables, 369 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 40/45 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: 17]: 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: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 58.0MB in the beginning and 57.8MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.46ms. Allocated memory is still 100.7MB. Free memory was 73.4MB in the beginning and 74.2MB in the end (delta: -832.5kB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.40ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 72.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.65ms. Allocated memory is still 100.7MB. Free memory was 72.5MB in the beginning and 71.6MB in the end (delta: 911.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 409.41ms. Allocated memory is still 100.7MB. Free memory was 71.6MB in the beginning and 60.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 5222.25ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 60.0MB in the beginning and 96.2MB in the end (delta: -36.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 64.68ms. Allocated memory is still 132.1MB. Free memory was 96.2MB in the beginning and 93.1MB 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! [2022-10-17 16:44:37,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b19978-f2d7-41b6-9222-0d46d112a4a9/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