./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg --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 9c0fb6a0d32b99c9a776859d2bc15d9177dc584955a2c1baa8ac133e976f40f7 --- 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-b5237d8 [2022-11-21 23:13:00,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:13:00,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:13:00,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:13:00,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:13:00,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:13:00,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:13:00,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:13:00,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:13:00,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:13:00,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:13:00,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:13:00,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:13:00,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:13:00,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:13:00,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:13:00,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:13:00,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:13:00,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:13:00,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:13:00,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:13:00,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:13:00,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:13:00,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:13:00,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:13:00,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:13:00,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:13:00,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:13:00,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:13:00,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:13:00,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:13:00,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:13:00,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:13:00,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:13:00,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:13:00,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:13:00,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:13:00,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:13:00,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:13:00,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:13:00,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:13:00,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 23:13:00,717 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:13:00,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:13:00,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:13:00,718 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:13:00,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:13:00,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:13:00,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:13:00,720 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:13:00,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:13:00,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:13:00,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:13:00,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:13:00,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:13:00,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:13:00,722 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:13:00,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:13:00,722 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:13:00,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:13:00,722 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:13:00,723 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:13:00,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:13:00,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:13:00,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:13:00,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:13:00,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:13:00,724 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:13:00,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:13:00,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:13:00,725 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_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c0fb6a0d32b99c9a776859d2bc15d9177dc584955a2c1baa8ac133e976f40f7 [2022-11-21 23:13:00,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:13:00,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:13:00,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:13:00,991 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:13:00,992 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:13:00,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c [2022-11-21 23:13:04,134 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:13:04,390 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:13:04,393 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c [2022-11-21 23:13:04,399 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg/data/ca951952c/625eee895f6f41e094330974cb38f7d9/FLAG1c92d1353 [2022-11-21 23:13:04,416 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg/data/ca951952c/625eee895f6f41e094330974cb38f7d9 [2022-11-21 23:13:04,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:13:04,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:13:04,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:13:04,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:13:04,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:13:04,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5421c181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04, skipping insertion in model container [2022-11-21 23:13:04,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:13:04,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:13:04,607 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_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c[548,561] [2022-11-21 23:13:04,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:13:04,625 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:13:04,640 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_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c[548,561] [2022-11-21 23:13:04,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:13:04,654 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:13:04,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04 WrapperNode [2022-11-21 23:13:04,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:13:04,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:13:04,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:13:04,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:13:04,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,690 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-21 23:13:04,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:13:04,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:13:04,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:13:04,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:13:04,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,717 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:13:04,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:13:04,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:13:04,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:13:04,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:13:04" (1/1) ... [2022-11-21 23:13:04,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:13:04,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:13:04,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:13:04,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:13:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:13:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:13:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2022-11-21 23:13:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2022-11-21 23:13:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:13:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:13:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-11-21 23:13:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-11-21 23:13:04,878 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:13:04,883 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:13:04,994 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:13:05,008 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:13:05,008 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:13:05,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:13:05 BoogieIcfgContainer [2022-11-21 23:13:05,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:13:05,012 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:13:05,012 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:13:05,023 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:13:05,023 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:13:05" (1/1) ... [2022-11-21 23:13:05,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:13:05,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:05,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-11-21 23:13:05,093 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-21 23:13:05,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:13:05,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:05,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:05,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:13:05,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:05,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 25 transitions. [2022-11-21 23:13:05,504 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-21 23:13:05,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:13:05,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:05,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:05,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:13:05,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:05,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 32 transitions. [2022-11-21 23:13:05,815 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-11-21 23:13:05,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:13:05,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:05,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:05,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:13:06,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:06,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 43 transitions. [2022-11-21 23:13:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2022-11-21 23:13:06,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:13:06,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:06,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:06,563 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:13:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:06,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 56 transitions. [2022-11-21 23:13:06,782 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2022-11-21 23:13:06,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 23:13:06,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:06,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:06,948 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-21 23:13:07,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:07,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 45 states and 71 transitions. [2022-11-21 23:13:07,249 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2022-11-21 23:13:07,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 23:13:07,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:07,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:08,024 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 23:13:11,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:11,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 64 states and 117 transitions. [2022-11-21 23:13:11,111 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2022-11-21 23:13:11,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 23:13:11,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:11,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 23:13:14,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:14,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 73 states and 83 transitions. [2022-11-21 23:13:14,143 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2022-11-21 23:13:14,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 23:13:14,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:14,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:14,600 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-21 23:13:15,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:15,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 49 states and 53 transitions. [2022-11-21 23:13:15,486 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2022-11-21 23:13:15,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:13:15,487 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-21 23:13:15,496 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-11-21 23:13:15,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:13:15 ImpRootNode [2022-11-21 23:13:15,629 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:13:15,630 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:13:15,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:13:15,630 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:13:15,631 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:13:05" (3/4) ... [2022-11-21 23:13:15,634 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:13:15,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2022-11-21 23:13:15,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-11-21 23:13:15,644 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-21 23:13:15,645 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 23:13:15,645 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:13:15,645 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:13:15,682 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:13:15,682 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:13:15,684 INFO L158 Benchmark]: Toolchain (without parser) took 11259.83ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 142.8MB in the beginning and 110.6MB in the end (delta: 32.3MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2022-11-21 23:13:15,684 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:13:15,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.36ms. Allocated memory is still 188.7MB. Free memory was 142.1MB in the beginning and 132.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:13:15,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.02ms. Allocated memory is still 188.7MB. Free memory was 132.3MB in the beginning and 131.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:13:15,686 INFO L158 Benchmark]: Boogie Preprocessor took 28.85ms. Allocated memory is still 188.7MB. Free memory was 131.0MB in the beginning and 129.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:13:15,687 INFO L158 Benchmark]: RCFGBuilder took 291.25ms. Allocated memory is still 188.7MB. Free memory was 129.9MB in the beginning and 119.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:13:15,687 INFO L158 Benchmark]: CodeCheck took 10617.05ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 119.8MB in the beginning and 112.6MB in the end (delta: 7.2MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2022-11-21 23:13:15,688 INFO L158 Benchmark]: Witness Printer took 52.82ms. Allocated memory is still 226.5MB. Free memory was 112.6MB in the beginning and 110.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:13:15,691 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 594 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 283 mSDsluCounter, 640 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 471 mSDsCounter, 529 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2043 IncrementalHoareTripleChecker+Invalid, 2572 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 529 mSolverCounterUnsat, 169 mSDtfsCounter, 2043 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2773 GetRequests, 2586 SyntacticMatches, 29 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8856 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 240 NumberOfCodeBlocks, 240 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 647 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 147/180 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: 23]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.36ms. Allocated memory is still 188.7MB. Free memory was 142.1MB in the beginning and 132.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.02ms. Allocated memory is still 188.7MB. Free memory was 132.3MB in the beginning and 131.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.85ms. Allocated memory is still 188.7MB. Free memory was 131.0MB in the beginning and 129.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 291.25ms. Allocated memory is still 188.7MB. Free memory was 129.9MB in the beginning and 119.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 10617.05ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 119.8MB in the beginning and 112.6MB in the end (delta: 7.2MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Witness Printer took 52.82ms. Allocated memory is still 226.5MB. Free memory was 112.6MB in the beginning and 110.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:13:15,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a3ffb76-5a41-49b0-9edb-5b0576e8ba3e/bin/ukojak-jW3SillKbg/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