./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc --- 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-6b4ec56 [2022-11-20 18:20:00,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:20:00,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:20:00,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:20:00,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:20:00,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:20:00,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:20:00,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:20:00,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:20:00,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:20:00,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:20:00,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:20:00,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:20:00,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:20:00,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:20:00,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:20:00,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:20:00,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:20:00,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:20:00,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:20:00,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:20:00,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:20:00,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:20:00,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:20:00,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:20:00,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:20:00,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:20:00,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:20:00,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:20:00,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:20:00,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:20:00,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:20:00,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:20:00,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:20:00,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:20:00,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:20:00,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:20:00,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:20:00,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:20:00,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:20:00,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:20:00,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:20:00,831 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:20:00,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:20:00,842 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:20:00,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:20:00,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:20:00,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:20:00,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:20:00,844 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:20:00,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:20:00,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:20:00,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:20:00,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:20:00,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:20:00,847 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:20:00,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:20:00,848 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:20:00,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:20:00,848 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:20:00,848 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:20:00,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:20:00,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:20:00,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:20:00,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:20:00,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:20:00,850 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:20:00,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:20:00,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:20:00,851 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_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc [2022-11-20 18:20:01,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:20:01,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:20:01,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:20:01,256 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:20:01,257 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:20:01,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2022-11-20 18:20:04,263 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:20:04,457 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:20:04,457 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def33c20-1597-4cef-be4b-cdbcce98e8db/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2022-11-20 18:20:04,465 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ/data/402d6161a/51aaf6f02eba4239982c64628ab24aef/FLAG80e122b76 [2022-11-20 18:20:04,494 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ/data/402d6161a/51aaf6f02eba4239982c64628ab24aef [2022-11-20 18:20:04,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:20:04,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:20:04,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:20:04,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:20:04,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:20:04,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:20:04" (1/1) ... [2022-11-20 18:20:04,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a795bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:04, skipping insertion in model container [2022-11-20 18:20:04,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:20:04" (1/1) ... [2022-11-20 18:20:04,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:20:04,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:20:04,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:20:04,746 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:20:04,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:20:04,780 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:20:04,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:04 WrapperNode [2022-11-20 18:20:04,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:20:04,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:20:04,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:20:04,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:20:04,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:04" (1/1) ... [2022-11-20 18:20:04,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:04" (1/1) ... [2022-11-20 18:20:04,816 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2022-11-20 18:20:04,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:20:04,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:20:04,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:20:04,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:20:04,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:04" (1/1) ... [2022-11-20 18:20:04,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:04" (1/1) ... [2022-11-20 18:20:04,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:04" (1/1) ... [2022-11-20 18:20:04,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:04" (1/1) ... [2022-11-20 18:20:04,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:04" (1/1) ... [2022-11-20 18:20:04,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:04" (1/1) ... [2022-11-20 18:20:04,848 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:04" (1/1) ... [2022-11-20 18:20:04,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:04" (1/1) ... [2022-11-20 18:20:04,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:20:04,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:20:04,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:20:04,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:20:04,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:04" (1/1) ... [2022-11-20 18:20:04,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:20:04,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:20:04,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:20:04,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:20:04,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:20:04,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:20:05,037 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:20:05,039 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:20:05,210 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:20:05,223 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:20:05,223 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 18:20:05,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:20:05 BoogieIcfgContainer [2022-11-20 18:20:05,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:20:05,228 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:20:05,228 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:20:05,239 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:20:05,240 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:20:05" (1/1) ... [2022-11-20 18:20:05,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:20:05,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:05,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2022-11-20 18:20:05,346 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-11-20 18:20:05,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 18:20:05,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:05,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:05,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:05,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:05,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2022-11-20 18:20:05,693 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-11-20 18:20:05,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:20:05,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:05,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:05,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:06,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:06,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2022-11-20 18:20:06,014 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-11-20 18:20:06,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:20:06,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:06,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:06,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:06,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2022-11-20 18:20:06,075 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-11-20 18:20:06,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:20:06,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:06,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:06,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:06,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-11-20 18:20:06,154 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-11-20 18:20:06,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:20:06,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:06,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:06,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:06,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:06,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2022-11-20 18:20:06,711 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2022-11-20 18:20:06,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:20:06,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:06,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:06,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:07,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:07,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2022-11-20 18:20:07,204 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2022-11-20 18:20:07,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:20:07,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:07,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:07,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:08,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:08,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2022-11-20 18:20:08,076 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2022-11-20 18:20:08,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:20:08,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:08,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:08,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:08,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:08,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2022-11-20 18:20:08,621 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2022-11-20 18:20:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:20:08,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:08,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:08,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:09,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:09,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2022-11-20 18:20:09,501 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2022-11-20 18:20:09,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:20:09,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:09,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:09,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:10,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:10,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2022-11-20 18:20:10,055 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2022-11-20 18:20:10,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:20:10,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:10,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:10,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:10,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2022-11-20 18:20:10,432 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2022-11-20 18:20:10,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:20:10,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:10,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:10,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:10,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:10,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2022-11-20 18:20:10,895 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2022-11-20 18:20:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:20:10,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:10,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:12,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:12,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 64 states and 110 transitions. [2022-11-20 18:20:12,696 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 110 transitions. [2022-11-20 18:20:12,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:20:12,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:12,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:12,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:13,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:13,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 66 states and 112 transitions. [2022-11-20 18:20:13,102 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 112 transitions. [2022-11-20 18:20:13,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:20:13,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:13,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:13,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:13,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:13,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 68 states and 117 transitions. [2022-11-20 18:20:13,257 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 117 transitions. [2022-11-20 18:20:13,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:20:13,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:13,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:13,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:13,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:13,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 70 states and 120 transitions. [2022-11-20 18:20:13,529 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 120 transitions. [2022-11-20 18:20:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:20:13,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:13,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:13,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:14,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:14,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 72 states and 125 transitions. [2022-11-20 18:20:14,195 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 125 transitions. [2022-11-20 18:20:14,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:20:14,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:14,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:14,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:14,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:14,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 71 states and 122 transitions. [2022-11-20 18:20:14,774 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 122 transitions. [2022-11-20 18:20:14,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:20:14,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:14,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:14,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:15,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:15,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 75 states and 131 transitions. [2022-11-20 18:20:15,999 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 131 transitions. [2022-11-20 18:20:16,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:20:16,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:16,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:16,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:16,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:16,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 77 states and 133 transitions. [2022-11-20 18:20:16,487 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 133 transitions. [2022-11-20 18:20:16,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:20:16,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:16,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:20:17,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 82 states and 140 transitions. [2022-11-20 18:20:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 140 transitions. [2022-11-20 18:20:17,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:20:17,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:17,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:20:17,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:17,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 83 states and 140 transitions. [2022-11-20 18:20:17,761 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 140 transitions. [2022-11-20 18:20:17,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:20:17,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:17,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:18,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:18,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 85 states and 143 transitions. [2022-11-20 18:20:18,198 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 143 transitions. [2022-11-20 18:20:18,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:20:18,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:18,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:18,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:20:18,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:18,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 70 states and 109 transitions. [2022-11-20 18:20:18,452 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 109 transitions. [2022-11-20 18:20:18,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:20:18,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:18,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:18,472 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:20:18,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:18,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2022-11-20 18:20:18,895 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-11-20 18:20:18,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:20:18,895 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2022-11-20 18:20:18,905 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 18:20:19,061 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2022-11-20 18:20:19,073 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:20:19,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:20:19 ImpRootNode [2022-11-20 18:20:19,074 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:20:19,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:20:19,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:20:19,076 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:20:19,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:20:05" (3/4) ... [2022-11-20 18:20:19,079 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:20:19,094 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 18:20:19,094 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 18:20:19,094 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 18:20:19,162 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:20:19,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:20:19,166 INFO L158 Benchmark]: Toolchain (without parser) took 14666.61ms. Allocated memory was 167.8MB in the beginning and 251.7MB in the end (delta: 83.9MB). Free memory was 126.0MB in the beginning and 167.9MB in the end (delta: -41.9MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2022-11-20 18:20:19,167 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 167.8MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:20:19,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.12ms. Allocated memory is still 167.8MB. Free memory was 125.5MB in the beginning and 116.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 18:20:19,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.51ms. Allocated memory is still 167.8MB. Free memory was 116.7MB in the beginning and 115.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:20:19,170 INFO L158 Benchmark]: Boogie Preprocessor took 35.70ms. Allocated memory is still 167.8MB. Free memory was 114.9MB in the beginning and 114.0MB in the end (delta: 927.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:20:19,171 INFO L158 Benchmark]: RCFGBuilder took 369.83ms. Allocated memory is still 167.8MB. Free memory was 114.0MB in the beginning and 103.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:20:19,171 INFO L158 Benchmark]: CodeCheck took 13846.78ms. Allocated memory was 167.8MB in the beginning and 251.7MB in the end (delta: 83.9MB). Free memory was 103.0MB in the beginning and 170.0MB in the end (delta: -67.0MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2022-11-20 18:20:19,172 INFO L158 Benchmark]: Witness Printer took 90.62ms. Allocated memory is still 251.7MB. Free memory was 170.0MB in the beginning and 167.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:20:19,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 23 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 13.6s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2755 SdHoareTripleChecker+Valid, 12.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2402 mSDsluCounter, 1260 SdHoareTripleChecker+Invalid, 10.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 808 mSDsCounter, 974 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6808 IncrementalHoareTripleChecker+Invalid, 7782 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 974 mSolverCounterUnsat, 452 mSDtfsCounter, 6808 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2745 GetRequests, 2493 SyntacticMatches, 18 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25648 ImplicationChecksByTransitivity, 11.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 895 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 23 PerfectInterpolantSequences, 35/40 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((x <= 2147483647 && x <= 2147483647 + y) && 0 <= x + 2147483648) && 0 <= y + 2147483648) && y <= 2147483647) && y <= 2147483647 + x - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 167.8MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.12ms. Allocated memory is still 167.8MB. Free memory was 125.5MB in the beginning and 116.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.51ms. Allocated memory is still 167.8MB. Free memory was 116.7MB in the beginning and 115.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.70ms. Allocated memory is still 167.8MB. Free memory was 114.9MB in the beginning and 114.0MB in the end (delta: 927.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.83ms. Allocated memory is still 167.8MB. Free memory was 114.0MB in the beginning and 103.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 13846.78ms. Allocated memory was 167.8MB in the beginning and 251.7MB in the end (delta: 83.9MB). Free memory was 103.0MB in the beginning and 170.0MB in the end (delta: -67.0MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Witness Printer took 90.62ms. Allocated memory is still 251.7MB. Free memory was 170.0MB in the beginning and 167.9MB 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! [2022-11-20 18:20:19,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def33c20-1597-4cef-be4b-cdbcce98e8db/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE