./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/a.06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4 --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-2329fc7 [2022-12-15 03:17:24,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:17:24,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:17:24,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:17:24,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:17:24,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:17:24,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:17:24,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:17:24,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:17:24,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:17:24,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:17:24,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:17:24,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:17:24,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:17:24,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:17:24,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:17:24,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:17:24,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:17:24,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:17:24,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:17:24,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:17:24,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:17:24,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:17:24,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:17:24,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:17:24,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:17:24,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:17:24,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:17:24,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:17:24,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:17:24,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:17:24,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:17:24,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:17:24,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:17:24,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:17:24,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:17:24,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:17:24,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:17:24,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:17:24,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:17:24,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:17:24,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 03:17:24,235 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:17:24,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:17:24,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:17:24,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:17:24,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:17:24,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:17:24,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:17:24,237 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:17:24,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:17:24,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:17:24,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:17:24,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:17:24,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:17:24,238 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:17:24,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:17:24,238 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:17:24,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:17:24,238 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:17:24,239 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:17:24,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:17:24,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:17:24,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:17:24,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:17:24,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:17:24,239 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:17:24,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:17:24,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:17:24,240 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_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90244b6c2e1b1f029f80e9cfc86fb57c09347d52a85284d5d619fffbbf31f641 [2022-12-15 03:17:24,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:17:24,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:17:24,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:17:24,432 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:17:24,432 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:17:24,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-restricted-15/a.06.c [2022-12-15 03:17:27,035 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:17:27,208 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:17:27,208 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/sv-benchmarks/c/termination-restricted-15/a.06.c [2022-12-15 03:17:27,213 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4/data/8f94914e7/eaf3554515f04b499152e3423a9cf711/FLAGa610f2ba5 [2022-12-15 03:17:27,593 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4/data/8f94914e7/eaf3554515f04b499152e3423a9cf711 [2022-12-15 03:17:27,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:17:27,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:17:27,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:17:27,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:17:27,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:17:27,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:17:27" (1/1) ... [2022-12-15 03:17:27,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed3c22c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:17:27, skipping insertion in model container [2022-12-15 03:17:27,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:17:27" (1/1) ... [2022-12-15 03:17:27,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:17:27,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:17:27,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:17:27,731 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:17:27,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:17:27,752 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:17:27,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:17:27 WrapperNode [2022-12-15 03:17:27,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:17:27,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:17:27,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:17:27,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:17:27,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:17:27" (1/1) ... [2022-12-15 03:17:27,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:17:27" (1/1) ... [2022-12-15 03:17:27,775 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-12-15 03:17:27,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:17:27,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:17:27,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:17:27,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:17:27,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:17:27" (1/1) ... [2022-12-15 03:17:27,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:17:27" (1/1) ... [2022-12-15 03:17:27,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:17:27" (1/1) ... [2022-12-15 03:17:27,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:17:27" (1/1) ... [2022-12-15 03:17:27,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:17:27" (1/1) ... [2022-12-15 03:17:27,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:17:27" (1/1) ... [2022-12-15 03:17:27,791 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:17:27" (1/1) ... [2022-12-15 03:17:27,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:17:27" (1/1) ... [2022-12-15 03:17:27,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:17:27,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:17:27,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:17:27,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:17:27,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:17:27" (1/1) ... [2022-12-15 03:17:27,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:17:27,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:17:27,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:17:27,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:17:27,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:17:27,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:17:27,909 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:17:27,910 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:17:28,004 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:17:28,014 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:17:28,014 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 03:17:28,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:17:28 BoogieIcfgContainer [2022-12-15 03:17:28,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:17:28,017 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:17:28,017 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:17:28,024 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:17:28,024 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:17:28" (1/1) ... [2022-12-15 03:17:28,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:17:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:28,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2022-12-15 03:17:28,070 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-12-15 03:17:28,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 03:17:28,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:28,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:28,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:28,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2022-12-15 03:17:28,210 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-12-15 03:17:28,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:17:28,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:28,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:28,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:28,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:28,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2022-12-15 03:17:28,376 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-12-15 03:17:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 03:17:28,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:28,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:28,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:28,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2022-12-15 03:17:28,431 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-12-15 03:17:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 03:17:28,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:28,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:28,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:28,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2022-12-15 03:17:28,595 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2022-12-15 03:17:28,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 03:17:28,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:28,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:28,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:28,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:28,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 47 states and 58 transitions. [2022-12-15 03:17:28,899 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2022-12-15 03:17:28,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:17:28,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:28,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:28,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:28,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:28,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2022-12-15 03:17:28,941 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-12-15 03:17:28,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:17:28,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:28,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:29,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:29,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2022-12-15 03:17:29,336 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2022-12-15 03:17:29,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:17:29,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:29,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:29,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:29,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 60 states and 74 transitions. [2022-12-15 03:17:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2022-12-15 03:17:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 03:17:29,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:29,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:30,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:30,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:30,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2022-12-15 03:17:30,475 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-12-15 03:17:30,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 03:17:30,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:30,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:30,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:30,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:30,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 65 states and 84 transitions. [2022-12-15 03:17:30,564 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2022-12-15 03:17:30,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 03:17:30,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:30,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:30,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:31,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:31,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 85 transitions. [2022-12-15 03:17:31,188 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-12-15 03:17:31,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:17:31,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:31,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:32,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:32,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2022-12-15 03:17:32,368 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2022-12-15 03:17:32,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:17:32,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:32,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:32,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:32,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 72 states and 93 transitions. [2022-12-15 03:17:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2022-12-15 03:17:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:17:32,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:32,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:33,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:33,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 78 states and 104 transitions. [2022-12-15 03:17:33,449 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2022-12-15 03:17:33,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:17:33,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:33,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:33,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:33,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 77 states and 103 transitions. [2022-12-15 03:17:33,654 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2022-12-15 03:17:33,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:17:33,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:33,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:33,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:33,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:33,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 78 states and 104 transitions. [2022-12-15 03:17:33,851 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2022-12-15 03:17:33,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:17:33,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:33,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:33,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:34,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:34,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 88 states and 121 transitions. [2022-12-15 03:17:34,903 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 121 transitions. [2022-12-15 03:17:34,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:17:34,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:34,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:34,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:35,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:35,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 91 states and 124 transitions. [2022-12-15 03:17:35,579 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 124 transitions. [2022-12-15 03:17:35,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:17:35,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:35,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:35,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:36,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:36,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 97 states and 133 transitions. [2022-12-15 03:17:36,589 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 133 transitions. [2022-12-15 03:17:36,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:17:36,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:36,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:36,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:37,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:37,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 100 states and 136 transitions. [2022-12-15 03:17:37,177 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 136 transitions. [2022-12-15 03:17:37,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 03:17:37,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:37,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:37,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:37,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:37,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 101 states and 137 transitions. [2022-12-15 03:17:37,493 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2022-12-15 03:17:37,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:17:37,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:37,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:39,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:39,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 110 states and 153 transitions. [2022-12-15 03:17:39,785 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 153 transitions. [2022-12-15 03:17:39,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 03:17:39,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:39,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:40,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 113 states and 158 transitions. [2022-12-15 03:17:40,522 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 158 transitions. [2022-12-15 03:17:40,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 03:17:40,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:40,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:40,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:40,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 114 states and 159 transitions. [2022-12-15 03:17:40,857 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 159 transitions. [2022-12-15 03:17:40,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 03:17:40,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:40,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:17:44,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:44,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 45 states and 57 transitions. [2022-12-15 03:17:44,702 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-12-15 03:17:44,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:17:44,702 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2022-12-15 03:17:44,708 INFO L754 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2022-12-15 03:17:45,054 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:17:45,058 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-12-15 03:17:45,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:17:45 ImpRootNode [2022-12-15 03:17:45,064 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:17:45,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:17:45,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:17:45,064 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:17:45,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:17:28" (3/4) ... [2022-12-15 03:17:45,067 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:17:45,075 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-15 03:17:45,076 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 03:17:45,076 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 03:17:45,120 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:17:45,120 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:17:45,120 INFO L158 Benchmark]: Toolchain (without parser) took 17523.33ms. Allocated memory is still 157.3MB. Free memory was 126.5MB in the beginning and 112.1MB in the end (delta: 14.4MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. [2022-12-15 03:17:45,120 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:17:45,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.50ms. Allocated memory is still 157.3MB. Free memory was 126.5MB in the beginning and 116.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 03:17:45,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.05ms. Allocated memory is still 157.3MB. Free memory was 116.6MB in the beginning and 115.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:17:45,121 INFO L158 Benchmark]: Boogie Preprocessor took 17.18ms. Allocated memory is still 157.3MB. Free memory was 115.2MB in the beginning and 114.5MB in the end (delta: 736.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:17:45,121 INFO L158 Benchmark]: RCFGBuilder took 222.01ms. Allocated memory is still 157.3MB. Free memory was 114.5MB in the beginning and 102.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 03:17:45,121 INFO L158 Benchmark]: CodeCheck took 17046.84ms. Allocated memory is still 157.3MB. Free memory was 102.7MB in the beginning and 31.6MB in the end (delta: 71.1MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2022-12-15 03:17:45,122 INFO L158 Benchmark]: Witness Printer took 55.76ms. Allocated memory is still 157.3MB. Free memory was 31.6MB in the beginning and 112.1MB in the end (delta: -80.5MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2022-12-15 03:17:45,123 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: 16.7s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3055 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2514 mSDsluCounter, 1597 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 965 mSDsCounter, 1127 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6036 IncrementalHoareTripleChecker+Invalid, 7163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1127 mSolverCounterUnsat, 632 mSDtfsCounter, 6036 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2844 GetRequests, 2441 SyntacticMatches, 45 SemanticMatches, 358 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61489 ImplicationChecksByTransitivity, 15.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 347 NumberOfCodeBlocks, 347 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 322 ConstructedInterpolants, 0 QuantifiedInterpolants, 1199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 23 PerfectInterpolantSequences, 19/30 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: ((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 0.21ms. Allocated memory is still 127.9MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.50ms. Allocated memory is still 157.3MB. Free memory was 126.5MB in the beginning and 116.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.05ms. Allocated memory is still 157.3MB. Free memory was 116.6MB in the beginning and 115.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.18ms. Allocated memory is still 157.3MB. Free memory was 115.2MB in the beginning and 114.5MB in the end (delta: 736.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 222.01ms. Allocated memory is still 157.3MB. Free memory was 114.5MB in the beginning and 102.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 17046.84ms. Allocated memory is still 157.3MB. Free memory was 102.7MB in the beginning and 31.6MB in the end (delta: 71.1MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. * Witness Printer took 55.76ms. Allocated memory is still 157.3MB. Free memory was 31.6MB in the beginning and 112.1MB in the end (delta: -80.5MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:17:45,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b687a33-98ce-49ad-ade6-daee59f05036/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE