./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/a.06.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_cc16f1ce-9986-4725-aa33-b5b5e10917bd/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc16f1ce-9986-4725-aa33-b5b5e10917bd/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_cc16f1ce-9986-4725-aa33-b5b5e10917bd/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc16f1ce-9986-4725-aa33-b5b5e10917bd/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/a.06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc16f1ce-9986-4725-aa33-b5b5e10917bd/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc16f1ce-9986-4725-aa33-b5b5e10917bd/bin/ukojak-jW3SillKbg --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 90244b6c2e1b1f029f80e9cfc86fb57c09347d52a85284d5d619fffbbf31f641 --- 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 21:53:28,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:53:28,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:53:28,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:53:28,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:53:28,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:53:28,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:53:28,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:53:28,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:53:28,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:53:28,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:53:28,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:53:28,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:53:28,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:53:28,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:53:28,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:53:28,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:53:28,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:53:28,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:53:28,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:53:28,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:53:28,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:53:28,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:53:28,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:53:28,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:53:28,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:53:28,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:53:28,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:53:28,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:53:28,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:53:28,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:53:28,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:53:28,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:53:28,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:53:28,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:53:28,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:53:28,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:53:28,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:53:28,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:53:28,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:53:28,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:53:28,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc16f1ce-9986-4725-aa33-b5b5e10917bd/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 21:53:28,666 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:53:28,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:53:28,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:53:28,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:53:28,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:53:28,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:53:28,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:53:28,669 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:53:28,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:53:28,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:53:28,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:53:28,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:53:28,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:53:28,670 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:53:28,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:53:28,671 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:53:28,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:53:28,671 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:53:28,672 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:53:28,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:53:28,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:53:28,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:53:28,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:53:28,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:53:28,673 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:53:28,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:53:28,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:53:28,674 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_cc16f1ce-9986-4725-aa33-b5b5e10917bd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc16f1ce-9986-4725-aa33-b5b5e10917bd/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90244b6c2e1b1f029f80e9cfc86fb57c09347d52a85284d5d619fffbbf31f641 [2022-11-21 21:53:28,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:53:28,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:53:28,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:53:28,926 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:53:28,926 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:53:28,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc16f1ce-9986-4725-aa33-b5b5e10917bd/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-restricted-15/a.06.c [2022-11-21 21:53:31,885 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:53:32,074 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:53:32,074 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc16f1ce-9986-4725-aa33-b5b5e10917bd/sv-benchmarks/c/termination-restricted-15/a.06.c [2022-11-21 21:53:32,079 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc16f1ce-9986-4725-aa33-b5b5e10917bd/bin/ukojak-jW3SillKbg/data/752b38ad3/8be166d5c91c4f4a91fa1796683f3c34/FLAG38bda175d [2022-11-21 21:53:32,092 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc16f1ce-9986-4725-aa33-b5b5e10917bd/bin/ukojak-jW3SillKbg/data/752b38ad3/8be166d5c91c4f4a91fa1796683f3c34 [2022-11-21 21:53:32,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:53:32,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:53:32,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:53:32,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:53:32,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:53:32,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:53:32" (1/1) ... [2022-11-21 21:53:32,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd0b165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:53:32, skipping insertion in model container [2022-11-21 21:53:32,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:53:32" (1/1) ... [2022-11-21 21:53:32,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:53:32,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:53:32,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:53:32,267 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:53:32,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:53:32,292 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:53:32,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:53:32 WrapperNode [2022-11-21 21:53:32,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:53:32,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:53:32,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:53:32,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:53:32,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:53:32" (1/1) ... [2022-11-21 21:53:32,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:53:32" (1/1) ... [2022-11-21 21:53:32,321 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-11-21 21:53:32,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:53:32,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:53:32,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:53:32,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:53:32,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:53:32" (1/1) ... [2022-11-21 21:53:32,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:53:32" (1/1) ... [2022-11-21 21:53:32,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:53:32" (1/1) ... [2022-11-21 21:53:32,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:53:32" (1/1) ... [2022-11-21 21:53:32,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:53:32" (1/1) ... [2022-11-21 21:53:32,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:53:32" (1/1) ... [2022-11-21 21:53:32,338 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:53:32" (1/1) ... [2022-11-21 21:53:32,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:53:32" (1/1) ... [2022-11-21 21:53:32,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:53:32,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:53:32,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:53:32,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:53:32,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:53:32" (1/1) ... [2022-11-21 21:53:32,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:53:32,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc16f1ce-9986-4725-aa33-b5b5e10917bd/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:53:32,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc16f1ce-9986-4725-aa33-b5b5e10917bd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:53:32,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc16f1ce-9986-4725-aa33-b5b5e10917bd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:53:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:53:32,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:53:32,478 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:53:32,479 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:53:32,597 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:53:32,612 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:53:32,612 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 21:53:32,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:53:32 BoogieIcfgContainer [2022-11-21 21:53:32,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:53:32,615 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:53:32,615 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:53:32,626 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:53:32,626 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:53:32" (1/1) ... [2022-11-21 21:53:32,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 21:53:32,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:32,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2022-11-21 21:53:32,719 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-21 21:53:32,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 21:53:32,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:32,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:32,904 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 21:53:32,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:32,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2022-11-21 21:53:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-11-21 21:53:32,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 21:53:32,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:32,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:33,072 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 21:53:33,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:33,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2022-11-21 21:53:33,229 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-11-21 21:53:33,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 21:53:33,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:33,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:33,315 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 21:53:33,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:33,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2022-11-21 21:53:33,518 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-11-21 21:53:33,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 21:53:33,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:33,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:33,577 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 21:53:33,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:33,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 43 states and 54 transitions. [2022-11-21 21:53:33,752 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-11-21 21:53:33,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 21:53:33,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:33,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:33,783 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 21:53:33,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:33,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 48 states and 60 transitions. [2022-11-21 21:53:33,987 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-11-21 21:53:33,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 21:53:33,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:33,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:34,017 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 21:53:34,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:34,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 48 states and 59 transitions. [2022-11-21 21:53:34,031 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2022-11-21 21:53:34,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 21:53:34,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:34,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:34,126 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 21:53:34,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:34,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 51 states and 62 transitions. [2022-11-21 21:53:34,730 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2022-11-21 21:53:34,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 21:53:34,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:34,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:34,914 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 21:53:35,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:35,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2022-11-21 21:53:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2022-11-21 21:53:35,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 21:53:35,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:35,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:35,437 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 21:53:36,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:36,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2022-11-21 21:53:36,808 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2022-11-21 21:53:36,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 21:53:36,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:36,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:36,868 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 21:53:36,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2022-11-21 21:53:36,932 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2022-11-21 21:53:36,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 21:53:36,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:36,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:37,095 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 21:53:38,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:38,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2022-11-21 21:53:38,692 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2022-11-21 21:53:38,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 21:53:38,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:38,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:38,734 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 21:53:39,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:39,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 72 states and 95 transitions. [2022-11-21 21:53:39,263 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 95 transitions. [2022-11-21 21:53:39,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 21:53:39,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:39,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:39,616 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 21:53:40,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 74 states and 96 transitions. [2022-11-21 21:53:40,523 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2022-11-21 21:53:40,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 21:53:40,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:40,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:40,618 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 21:53:40,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:40,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 73 states and 95 transitions. [2022-11-21 21:53:40,706 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2022-11-21 21:53:40,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 21:53:40,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:40,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:40,727 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 21:53:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:41,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 73 states and 94 transitions. [2022-11-21 21:53:41,011 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2022-11-21 21:53:41,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 21:53:41,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:41,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:41,040 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 21:53:41,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 80 states and 106 transitions. [2022-11-21 21:53:41,837 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2022-11-21 21:53:41,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 21:53:41,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:41,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:41,925 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 21:53:42,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:42,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 81 states and 107 transitions. [2022-11-21 21:53:42,501 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 107 transitions. [2022-11-21 21:53:42,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 21:53:42,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:42,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:42,541 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 21:53:42,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:42,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 83 states and 109 transitions. [2022-11-21 21:53:42,901 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 109 transitions. [2022-11-21 21:53:42,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 21:53:42,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:42,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:42,945 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 21:53:45,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:45,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 94 states and 129 transitions. [2022-11-21 21:53:45,197 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 129 transitions. [2022-11-21 21:53:45,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 21:53:45,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:45,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:45,222 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 21:53:46,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:46,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 95 states and 133 transitions. [2022-11-21 21:53:46,670 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 133 transitions. [2022-11-21 21:53:46,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 21:53:46,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:46,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:46,694 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 21:53:47,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:47,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 98 states and 136 transitions. [2022-11-21 21:53:47,516 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2022-11-21 21:53:47,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 21:53:47,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:47,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:47,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:53:48,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:48,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 98 states and 135 transitions. [2022-11-21 21:53:48,312 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2022-11-21 21:53:48,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 21:53:48,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:48,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:48,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:53:51,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:51,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 107 states and 150 transitions. [2022-11-21 21:53:51,191 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 150 transitions. [2022-11-21 21:53:51,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 21:53:51,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:51,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:51,324 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:53:52,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:52,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 109 states and 153 transitions. [2022-11-21 21:53:52,178 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 153 transitions. [2022-11-21 21:53:52,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 21:53:52,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:52,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:52,211 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:53:52,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:52,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 110 states and 154 transitions. [2022-11-21 21:53:52,555 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 154 transitions. [2022-11-21 21:53:52,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 21:53:52,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:53:52,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:53:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:53:52,615 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:53:52,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:53:52,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2022-11-21 21:53:52,818 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2022-11-21 21:53:52,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 21:53:52,818 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-11-21 21:53:52,825 INFO L754 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2022-11-21 21:53:53,181 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 21:53:53,185 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2022-11-21 21:53:53,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 09:53:53 ImpRootNode [2022-11-21 21:53:53,191 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 21:53:53,192 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 21:53:53,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 21:53:53,192 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 21:53:53,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:53:32" (3/4) ... [2022-11-21 21:53:53,195 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 21:53:53,204 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 21:53:53,205 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 21:53:53,205 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 21:53:53,250 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc16f1ce-9986-4725-aa33-b5b5e10917bd/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 21:53:53,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 21:53:53,251 INFO L158 Benchmark]: Toolchain (without parser) took 21155.19ms. Allocated memory was 138.4MB in the beginning and 222.3MB in the end (delta: 83.9MB). Free memory was 95.6MB in the beginning and 109.5MB in the end (delta: -13.9MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2022-11-21 21:53:53,252 INFO L158 Benchmark]: CDTParser took 1.11ms. Allocated memory is still 138.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:53:53,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.42ms. Allocated memory is still 138.4MB. Free memory was 95.4MB in the beginning and 86.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 21:53:53,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.16ms. Allocated memory is still 138.4MB. Free memory was 86.0MB in the beginning and 84.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:53:53,253 INFO L158 Benchmark]: Boogie Preprocessor took 18.04ms. Allocated memory is still 138.4MB. Free memory was 84.6MB in the beginning and 83.6MB in the end (delta: 982.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:53:53,253 INFO L158 Benchmark]: RCFGBuilder took 274.09ms. Allocated memory is still 138.4MB. Free memory was 83.6MB in the beginning and 72.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 21:53:53,254 INFO L158 Benchmark]: CodeCheck took 20575.98ms. Allocated memory was 138.4MB in the beginning and 222.3MB in the end (delta: 83.9MB). Free memory was 72.6MB in the beginning and 112.7MB in the end (delta: -40.1MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2022-11-21 21:53:53,255 INFO L158 Benchmark]: Witness Printer took 58.84ms. Allocated memory is still 222.3MB. Free memory was 112.7MB in the beginning and 109.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 21:53:53,257 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, 32 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 20.2s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3148 SdHoareTripleChecker+Valid, 12.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2568 mSDsluCounter, 1666 SdHoareTripleChecker+Invalid, 9.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1031 mSDsCounter, 1260 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6428 IncrementalHoareTripleChecker+Invalid, 7688 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1260 mSolverCounterUnsat, 635 mSDtfsCounter, 6428 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3007 GetRequests, 2666 SyntacticMatches, 27 SemanticMatches, 314 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46095 ImplicationChecksByTransitivity, 17.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 366 NumberOfCodeBlocks, 366 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 340 ConstructedInterpolants, 0 QuantifiedInterpolants, 1151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 32/32 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: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((1 <= y && y <= 2147483647) && !(z <= 2147483647)) || (((z <= 2147483647 && 0 <= z + 2147483648) && 0 <= y + 2147483648) && y <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11ms. Allocated memory is still 138.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 195.42ms. Allocated memory is still 138.4MB. Free memory was 95.4MB in the beginning and 86.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.16ms. Allocated memory is still 138.4MB. Free memory was 86.0MB in the beginning and 84.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.04ms. Allocated memory is still 138.4MB. Free memory was 84.6MB in the beginning and 83.6MB in the end (delta: 982.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 274.09ms. Allocated memory is still 138.4MB. Free memory was 83.6MB in the beginning and 72.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 20575.98ms. Allocated memory was 138.4MB in the beginning and 222.3MB in the end (delta: 83.9MB). Free memory was 72.6MB in the beginning and 112.7MB in the end (delta: -40.1MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Witness Printer took 58.84ms. Allocated memory is still 222.3MB. Free memory was 112.7MB in the beginning and 109.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 21:53:53,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc16f1ce-9986-4725-aa33-b5b5e10917bd/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