./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Narrowing.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_acfd2ea9-bfd5-4352-82a3-ad02082f5833/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfd2ea9-bfd5-4352-82a3-ad02082f5833/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_acfd2ea9-bfd5-4352-82a3-ad02082f5833/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfd2ea9-bfd5-4352-82a3-ad02082f5833/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Narrowing.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfd2ea9-bfd5-4352-82a3-ad02082f5833/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_acfd2ea9-bfd5-4352-82a3-ad02082f5833/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 65d96571ae692dc892a607d17412b050d92bd8365fc1d6c09a627f6750d6e1ac --- 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 21:47:00,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:47:00,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:47:00,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:47:00,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:47:00,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:47:00,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:47:00,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:47:00,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:47:00,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:47:00,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:47:00,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:47:00,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:47:00,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:47:00,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:47:00,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:47:00,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:47:00,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:47:00,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:47:00,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:47:00,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:47:00,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:47:00,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:47:00,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:47:00,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:47:00,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:47:00,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:47:00,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:47:00,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:47:00,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:47:00,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:47:00,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:47:00,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:47:00,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:47:00,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:47:00,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:47:00,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:47:00,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:47:00,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:47:00,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:47:00,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:47:00,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfd2ea9-bfd5-4352-82a3-ad02082f5833/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 21:47:00,863 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:47:00,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:47:00,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:47:00,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:47:00,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:47:00,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:47:00,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:47:00,866 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:47:00,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:47:00,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:47:00,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:47:00,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:47:00,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:47:00,868 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:47:00,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:47:00,869 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:47:00,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:47:00,869 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:47:00,870 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:47:00,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:47:00,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:47:00,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:47:00,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:47:00,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:47:00,871 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:47:00,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:47:00,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:47:00,872 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_acfd2ea9-bfd5-4352-82a3-ad02082f5833/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfd2ea9-bfd5-4352-82a3-ad02082f5833/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65d96571ae692dc892a607d17412b050d92bd8365fc1d6c09a627f6750d6e1ac [2022-11-21 21:47:01,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:47:01,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:47:01,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:47:01,196 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:47:01,197 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:47:01,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfd2ea9-bfd5-4352-82a3-ad02082f5833/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-restricted-15/Narrowing.c [2022-11-21 21:47:04,216 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:47:04,437 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:47:04,438 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfd2ea9-bfd5-4352-82a3-ad02082f5833/sv-benchmarks/c/termination-restricted-15/Narrowing.c [2022-11-21 21:47:04,443 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfd2ea9-bfd5-4352-82a3-ad02082f5833/bin/ukojak-jW3SillKbg/data/3746e3445/5ff725632ca747d7a4b7e972d11d1673/FLAG7851d471b [2022-11-21 21:47:04,457 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfd2ea9-bfd5-4352-82a3-ad02082f5833/bin/ukojak-jW3SillKbg/data/3746e3445/5ff725632ca747d7a4b7e972d11d1673 [2022-11-21 21:47:04,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:47:04,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:47:04,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:47:04,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:47:04,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:47:04,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:47:04" (1/1) ... [2022-11-21 21:47:04,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42572ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:04, skipping insertion in model container [2022-11-21 21:47:04,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:47:04" (1/1) ... [2022-11-21 21:47:04,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:47:04,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:47:04,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:47:04,648 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:47:04,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:47:04,676 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:47:04,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:04 WrapperNode [2022-11-21 21:47:04,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:47:04,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:47:04,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:47:04,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:47:04,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:04" (1/1) ... [2022-11-21 21:47:04,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:04" (1/1) ... [2022-11-21 21:47:04,714 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2022-11-21 21:47:04,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:47:04,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:47:04,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:47:04,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:47:04,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:04" (1/1) ... [2022-11-21 21:47:04,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:04" (1/1) ... [2022-11-21 21:47:04,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:04" (1/1) ... [2022-11-21 21:47:04,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:04" (1/1) ... [2022-11-21 21:47:04,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:04" (1/1) ... [2022-11-21 21:47:04,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:04" (1/1) ... [2022-11-21 21:47:04,743 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:04" (1/1) ... [2022-11-21 21:47:04,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:04" (1/1) ... [2022-11-21 21:47:04,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:47:04,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:47:04,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:47:04,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:47:04,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:04" (1/1) ... [2022-11-21 21:47:04,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:47:04,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfd2ea9-bfd5-4352-82a3-ad02082f5833/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:47:04,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfd2ea9-bfd5-4352-82a3-ad02082f5833/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:47:04,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfd2ea9-bfd5-4352-82a3-ad02082f5833/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:47:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:47:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:47:04,921 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:47:04,923 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:47:05,075 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:47:05,105 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:47:05,105 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 21:47:05,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:47:05 BoogieIcfgContainer [2022-11-21 21:47:05,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:47:05,108 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:47:05,108 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:47:05,118 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:47:05,119 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:47:05" (1/1) ... [2022-11-21 21:47:05,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 21:47:05,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:05,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2022-11-21 21:47:05,183 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-21 21:47:05,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 21:47:05,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:05,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:05,344 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 21:47:05,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:05,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2022-11-21 21:47:05,419 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2022-11-21 21:47:05,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 21:47:05,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:05,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:05,498 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 21:47:05,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:05,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2022-11-21 21:47:05,622 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2022-11-21 21:47:05,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 21:47:05,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:05,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:05,689 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 21:47:05,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:05,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2022-11-21 21:47:05,806 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2022-11-21 21:47:05,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 21:47:05,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:05,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:05,882 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 21:47:06,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2022-11-21 21:47:06,128 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2022-11-21 21:47:06,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 21:47:06,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:06,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:06,210 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 21:47:06,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:06,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2022-11-21 21:47:06,496 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2022-11-21 21:47:06,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 21:47:06,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:06,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:06,579 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 21:47:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:07,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 80 transitions. [2022-11-21 21:47:07,001 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2022-11-21 21:47:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 21:47:07,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:07,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:07,026 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 21:47:07,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:07,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 82 transitions. [2022-11-21 21:47:07,158 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2022-11-21 21:47:07,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 21:47:07,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:07,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:07,203 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 21:47:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:07,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 46 states and 92 transitions. [2022-11-21 21:47:07,582 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 92 transitions. [2022-11-21 21:47:07,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 21:47:07,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:07,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:07,604 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 21:47:07,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:07,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 48 states and 95 transitions. [2022-11-21 21:47:07,860 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2022-11-21 21:47:07,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 21:47:07,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:07,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:07,879 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 21:47:07,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 49 states and 96 transitions. [2022-11-21 21:47:07,989 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 96 transitions. [2022-11-21 21:47:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 21:47:07,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:07,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:08,008 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 21:47:08,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:08,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 51 states and 98 transitions. [2022-11-21 21:47:08,167 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2022-11-21 21:47:08,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 21:47:08,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:08,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:08,185 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 21:47:08,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:08,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2022-11-21 21:47:08,208 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2022-11-21 21:47:08,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 21:47:08,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:08,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:08,232 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 21:47:08,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:08,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 55 states and 104 transitions. [2022-11-21 21:47:08,353 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 104 transitions. [2022-11-21 21:47:08,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 21:47:08,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:08,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:08,382 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 21:47:08,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:08,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 58 states and 109 transitions. [2022-11-21 21:47:08,852 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 109 transitions. [2022-11-21 21:47:08,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 21:47:08,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:08,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:08,880 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 21:47:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 59 states and 110 transitions. [2022-11-21 21:47:09,016 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 110 transitions. [2022-11-21 21:47:09,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 21:47:09,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:09,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:09,032 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 21:47:09,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:09,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 62 states and 117 transitions. [2022-11-21 21:47:09,067 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 117 transitions. [2022-11-21 21:47:09,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 21:47:09,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:09,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:09,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:47:09,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:09,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 64 states and 124 transitions. [2022-11-21 21:47:09,587 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 124 transitions. [2022-11-21 21:47:09,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 21:47:09,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:09,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:09,643 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 21:47:09,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:09,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2022-11-21 21:47:09,674 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2022-11-21 21:47:09,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 21:47:09,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:09,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:09,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:47:10,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:10,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2022-11-21 21:47:10,335 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2022-11-21 21:47:10,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 21:47:10,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:10,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:10,363 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:47:10,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:10,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2022-11-21 21:47:10,529 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2022-11-21 21:47:10,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 21:47:10,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:10,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:10,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:47:10,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:10,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2022-11-21 21:47:10,937 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2022-11-21 21:47:10,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 21:47:10,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:10,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:47:11,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:11,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2022-11-21 21:47:11,128 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2022-11-21 21:47:11,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 21:47:11,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:11,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:11,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:47:11,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:11,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2022-11-21 21:47:11,367 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2022-11-21 21:47:11,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 21:47:11,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:11,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:11,436 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 21:47:11,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2022-11-21 21:47:11,612 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2022-11-21 21:47:11,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 21:47:11,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:11,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 21:47:12,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:12,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2022-11-21 21:47:12,343 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2022-11-21 21:47:12,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 21:47:12,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:12,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:12,417 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 21:47:12,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:12,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 50 states and 78 transitions. [2022-11-21 21:47:12,613 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 78 transitions. [2022-11-21 21:47:12,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 21:47:12,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:12,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:12,688 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 21:47:13,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 47 states and 72 transitions. [2022-11-21 21:47:13,333 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 72 transitions. [2022-11-21 21:47:13,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 21:47:13,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:13,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:13,397 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 21:47:13,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:13,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2022-11-21 21:47:13,600 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2022-11-21 21:47:13,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 21:47:13,601 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2022-11-21 21:47:13,608 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 21:47:13,902 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 21:47:13,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 09:47:13 ImpRootNode [2022-11-21 21:47:13,912 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 21:47:13,913 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 21:47:13,913 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 21:47:13,913 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 21:47:13,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:47:05" (3/4) ... [2022-11-21 21:47:13,917 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 21:47:13,935 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-21 21:47:13,935 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 21:47:13,935 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 21:47:13,998 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfd2ea9-bfd5-4352-82a3-ad02082f5833/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 21:47:14,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 21:47:14,004 INFO L158 Benchmark]: Toolchain (without parser) took 9543.68ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 177.2MB in the beginning and 131.6MB in the end (delta: 45.6MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB. [2022-11-21 21:47:14,007 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 130.0MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:47:14,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.56ms. Allocated memory is still 207.6MB. Free memory was 177.1MB in the beginning and 167.7MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 21:47:14,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.08ms. Allocated memory is still 207.6MB. Free memory was 167.7MB in the beginning and 166.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:47:14,008 INFO L158 Benchmark]: Boogie Preprocessor took 33.63ms. Allocated memory is still 207.6MB. Free memory was 166.2MB in the beginning and 165.2MB in the end (delta: 959.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:47:14,008 INFO L158 Benchmark]: RCFGBuilder took 353.65ms. Allocated memory is still 207.6MB. Free memory was 165.2MB in the beginning and 154.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 21:47:14,009 INFO L158 Benchmark]: CodeCheck took 8804.29ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 153.6MB in the beginning and 134.7MB in the end (delta: 18.9MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2022-11-21 21:47:14,012 INFO L158 Benchmark]: Witness Printer took 90.80ms. Allocated memory is still 249.6MB. Free memory was 134.7MB in the beginning and 131.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 21:47:14,014 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, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 8.5s, OverallIterations: 29, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2403 SdHoareTripleChecker+Valid, 9.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2187 mSDsluCounter, 2171 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1899 mSDsCounter, 1046 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6514 IncrementalHoareTripleChecker+Invalid, 7560 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1046 mSolverCounterUnsat, 272 mSDtfsCounter, 6514 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3366 GetRequests, 3154 SyntacticMatches, 14 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20444 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 314 NumberOfCodeBlocks, 314 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 790 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 76/103 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: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: 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: 13]: Loop Invariant Derived loop invariant: range <= 20 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25ms. Allocated memory is still 130.0MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.56ms. Allocated memory is still 207.6MB. Free memory was 177.1MB in the beginning and 167.7MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.08ms. Allocated memory is still 207.6MB. Free memory was 167.7MB in the beginning and 166.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.63ms. Allocated memory is still 207.6MB. Free memory was 166.2MB in the beginning and 165.2MB in the end (delta: 959.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 353.65ms. Allocated memory is still 207.6MB. Free memory was 165.2MB in the beginning and 154.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 8804.29ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 153.6MB in the beginning and 134.7MB in the end (delta: 18.9MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * Witness Printer took 90.80ms. Allocated memory is still 249.6MB. Free memory was 134.7MB in the beginning and 131.6MB 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 21:47:14,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfd2ea9-bfd5-4352-82a3-ad02082f5833/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