./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4 --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 d03c67e233c08f2056b22cded14e60e5b8002325e3ed3bc9a6e35392b69429b7 --- 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-2329fc7 [2022-12-14 23:31:36,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:31:36,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:31:36,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:31:36,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:31:36,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:31:36,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:31:36,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:31:36,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:31:36,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:31:36,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:31:36,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:31:36,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:31:36,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:31:36,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:31:36,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:31:36,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:31:36,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:31:36,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:31:36,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:31:36,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:31:36,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:31:36,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:31:36,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:31:36,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:31:36,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:31:36,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:31:36,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:31:36,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:31:36,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:31:36,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:31:36,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:31:36,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:31:36,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:31:36,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:31:36,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:31:36,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:31:36,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:31:36,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:31:36,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:31:36,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:31:36,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:31:36,538 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:31:36,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:31:36,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:31:36,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:31:36,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:31:36,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:31:36,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:31:36,540 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:31:36,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:31:36,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:31:36,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:31:36,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:31:36,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:31:36,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:31:36,541 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:31:36,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:31:36,542 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:31:36,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:31:36,542 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:31:36,542 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:31:36,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:31:36,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:31:36,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:31:36,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:31:36,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:31:36,543 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:31:36,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:31:36,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:31:36,543 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_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d03c67e233c08f2056b22cded14e60e5b8002325e3ed3bc9a6e35392b69429b7 [2022-12-14 23:31:36,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:31:36,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:31:36,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:31:36,758 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:31:36,759 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:31:36,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound20.c [2022-12-14 23:31:39,377 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:31:39,547 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:31:39,547 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound20.c [2022-12-14 23:31:39,553 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4/data/f139e9f87/1642fe976455419298fdcd0e33f784e8/FLAGb18c7927b [2022-12-14 23:31:39,567 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4/data/f139e9f87/1642fe976455419298fdcd0e33f784e8 [2022-12-14 23:31:39,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:31:39,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:31:39,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:31:39,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:31:39,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:31:39,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:31:39" (1/1) ... [2022-12-14 23:31:39,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca05e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:39, skipping insertion in model container [2022-12-14 23:31:39,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:31:39" (1/1) ... [2022-12-14 23:31:39,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:31:39,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:31:39,706 WARN L237 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_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound20.c[525,538] [2022-12-14 23:31:39,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:31:39,723 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:31:39,731 WARN L237 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_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound20.c[525,538] [2022-12-14 23:31:39,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:31:39,744 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:31:39,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:39 WrapperNode [2022-12-14 23:31:39,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:31:39,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:31:39,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:31:39,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:31:39,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:39" (1/1) ... [2022-12-14 23:31:39,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:39" (1/1) ... [2022-12-14 23:31:39,768 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2022-12-14 23:31:39,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:31:39,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:31:39,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:31:39,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:31:39,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:39" (1/1) ... [2022-12-14 23:31:39,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:39" (1/1) ... [2022-12-14 23:31:39,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:39" (1/1) ... [2022-12-14 23:31:39,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:39" (1/1) ... [2022-12-14 23:31:39,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:39" (1/1) ... [2022-12-14 23:31:39,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:39" (1/1) ... [2022-12-14 23:31:39,780 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:39" (1/1) ... [2022-12-14 23:31:39,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:39" (1/1) ... [2022-12-14 23:31:39,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:31:39,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:31:39,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:31:39,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:31:39,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:31:39" (1/1) ... [2022-12-14 23:31:39,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:31:39,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:31:39,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:31:39,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:31:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:31:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 23:31:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 23:31:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:31:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:31:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:31:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 23:31:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 23:31:39,884 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:31:39,885 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:31:39,967 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:31:39,983 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:31:39,984 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:31:39,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:31:39 BoogieIcfgContainer [2022-12-14 23:31:39,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:31:39,986 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:31:39,986 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:31:39,994 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:31:39,994 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:31:39" (1/1) ... [2022-12-14 23:31:40,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:31:40,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:40,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2022-12-14 23:31:40,041 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-12-14 23:31:40,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:31:40,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:40,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:40,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 23:31:40,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:40,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:31:40,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:40,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2022-12-14 23:31:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2022-12-14 23:31:40,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:31:40,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:40,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:40,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 23:31:40,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:40,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:31:40,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2022-12-14 23:31:40,589 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2022-12-14 23:31:40,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:31:40,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:40,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:40,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 23:31:40,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:40,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:31:41,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:41,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 46 transitions. [2022-12-14 23:31:41,502 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2022-12-14 23:31:41,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 23:31:41,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:31:41,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:31:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:31:41,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 23:31:41,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:31:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:31:45,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:31:45,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 22 states and 29 transitions. [2022-12-14 23:31:45,215 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2022-12-14 23:31:45,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:31:45,216 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-12-14 23:31:45,223 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 23:31:45,270 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:31:45,273 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:31:45,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:31:45 ImpRootNode [2022-12-14 23:31:45,274 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:31:45,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:31:45,275 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:31:45,275 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:31:45,275 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:31:39" (3/4) ... [2022-12-14 23:31:45,278 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:31:45,283 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 23:31:45,283 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 23:31:45,286 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-14 23:31:45,286 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 23:31:45,287 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 23:31:45,287 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:31:45,310 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:31:45,310 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:31:45,311 INFO L158 Benchmark]: Toolchain (without parser) took 5740.29ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 91.1MB in the beginning and 113.2MB in the end (delta: -22.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2022-12-14 23:31:45,311 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:31:45,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.71ms. Allocated memory is still 123.7MB. Free memory was 91.1MB in the beginning and 80.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 23:31:45,311 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.21ms. Allocated memory is still 123.7MB. Free memory was 80.7MB in the beginning and 79.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:31:45,312 INFO L158 Benchmark]: Boogie Preprocessor took 13.63ms. Allocated memory is still 123.7MB. Free memory was 79.4MB in the beginning and 78.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:31:45,312 INFO L158 Benchmark]: RCFGBuilder took 203.33ms. Allocated memory is still 123.7MB. Free memory was 78.2MB in the beginning and 67.2MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 23:31:45,312 INFO L158 Benchmark]: CodeCheck took 5287.66ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 67.2MB in the beginning and 115.3MB in the end (delta: -48.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:31:45,313 INFO L158 Benchmark]: Witness Printer took 35.64ms. Allocated memory is still 148.9MB. Free memory was 115.3MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:31:45,314 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 163 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 122 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 88 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 242 IncrementalHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 88 mSolverCounterUnsat, 72 mSDtfsCounter, 242 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 688 GetRequests, 638 SyntacticMatches, 8 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 79 ConstructedInterpolants, 2 QuantifiedInterpolants, 369 SizeOfPredicates, 11 NumberOfNonLiveVariables, 313 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 22/29 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: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 173.71ms. Allocated memory is still 123.7MB. Free memory was 91.1MB in the beginning and 80.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.21ms. Allocated memory is still 123.7MB. Free memory was 80.7MB in the beginning and 79.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.63ms. Allocated memory is still 123.7MB. Free memory was 79.4MB in the beginning and 78.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 203.33ms. Allocated memory is still 123.7MB. Free memory was 78.2MB in the beginning and 67.2MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 5287.66ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 67.2MB in the beginning and 115.3MB in the end (delta: -48.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 35.64ms. Allocated memory is still 148.9MB. Free memory was 115.3MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 23:31:45,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3e778cd-dddf-4770-a923-c2e8e49d1c1c/bin/ukojak-rkRKPMF4O4/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