./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 2329fc70 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_1a0f19f7-553a-45fd-892c-7f9f00e72046/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0f19f7-553a-45fd-892c-7f9f00e72046/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_1a0f19f7-553a-45fd-892c-7f9f00e72046/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0f19f7-553a-45fd-892c-7f9f00e72046/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Narrowing.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0f19f7-553a-45fd-892c-7f9f00e72046/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_1a0f19f7-553a-45fd-892c-7f9f00e72046/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 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-2329fc7 [2022-12-15 01:31:05,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:31:05,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:31:05,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:31:05,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:31:05,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:31:05,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:31:05,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:31:05,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:31:05,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:31:05,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:31:05,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:31:05,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:31:05,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:31:05,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:31:05,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:31:05,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:31:05,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:31:05,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:31:05,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:31:05,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:31:05,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:31:05,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:31:05,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:31:05,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:31:05,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:31:05,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:31:05,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:31:05,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:31:05,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:31:05,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:31:05,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:31:05,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:31:05,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:31:05,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:31:05,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:31:05,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:31:05,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:31:05,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:31:05,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:31:05,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:31:05,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0f19f7-553a-45fd-892c-7f9f00e72046/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 01:31:05,674 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:31:05,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:31:05,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:31:05,674 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:31:05,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:31:05,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:31:05,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:31:05,680 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:31:05,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:31:05,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:31:05,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:31:05,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:31:05,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:31:05,681 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:31:05,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:31:05,681 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:31:05,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:31:05,681 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:31:05,682 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:31:05,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:31:05,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:31:05,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:31:05,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:31:05,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:31:05,682 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:31:05,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:31:05,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:31:05,683 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_1a0f19f7-553a-45fd-892c-7f9f00e72046/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0f19f7-553a-45fd-892c-7f9f00e72046/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65d96571ae692dc892a607d17412b050d92bd8365fc1d6c09a627f6750d6e1ac [2022-12-15 01:31:05,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:31:05,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:31:05,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:31:05,864 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:31:05,865 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:31:05,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0f19f7-553a-45fd-892c-7f9f00e72046/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-restricted-15/Narrowing.c [2022-12-15 01:31:08,458 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:31:08,615 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:31:08,615 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0f19f7-553a-45fd-892c-7f9f00e72046/sv-benchmarks/c/termination-restricted-15/Narrowing.c [2022-12-15 01:31:08,620 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0f19f7-553a-45fd-892c-7f9f00e72046/bin/ukojak-rkRKPMF4O4/data/c9c16bf6a/c294e73b094a4d8b88c7d5b4a757a8b6/FLAGe5828a5bf [2022-12-15 01:31:09,041 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0f19f7-553a-45fd-892c-7f9f00e72046/bin/ukojak-rkRKPMF4O4/data/c9c16bf6a/c294e73b094a4d8b88c7d5b4a757a8b6 [2022-12-15 01:31:09,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:31:09,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:31:09,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:31:09,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:31:09,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:31:09,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:31:09" (1/1) ... [2022-12-15 01:31:09,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60bf89a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:31:09, skipping insertion in model container [2022-12-15 01:31:09,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:31:09" (1/1) ... [2022-12-15 01:31:09,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:31:09,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:31:09,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:31:09,165 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:31:09,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:31:09,183 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:31:09,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:31:09 WrapperNode [2022-12-15 01:31:09,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:31:09,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:31:09,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:31:09,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:31:09,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:31:09" (1/1) ... [2022-12-15 01:31:09,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:31:09" (1/1) ... [2022-12-15 01:31:09,204 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2022-12-15 01:31:09,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:31:09,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:31:09,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:31:09,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:31:09,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:31:09" (1/1) ... [2022-12-15 01:31:09,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:31:09" (1/1) ... [2022-12-15 01:31:09,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:31:09" (1/1) ... [2022-12-15 01:31:09,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:31:09" (1/1) ... [2022-12-15 01:31:09,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:31:09" (1/1) ... [2022-12-15 01:31:09,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:31:09" (1/1) ... [2022-12-15 01:31:09,217 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:31:09" (1/1) ... [2022-12-15 01:31:09,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:31:09" (1/1) ... [2022-12-15 01:31:09,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:31:09,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:31:09,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:31:09,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:31:09,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:31:09" (1/1) ... [2022-12-15 01:31:09,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:31:09,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0f19f7-553a-45fd-892c-7f9f00e72046/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:31:09,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0f19f7-553a-45fd-892c-7f9f00e72046/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:31:09,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0f19f7-553a-45fd-892c-7f9f00e72046/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:31:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:31:09,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:31:09,324 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:31:09,326 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:31:09,402 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:31:09,424 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:31:09,424 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 01:31:09,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:31:09 BoogieIcfgContainer [2022-12-15 01:31:09,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:31:09,427 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:31:09,427 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:31:09,435 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:31:09,435 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:31:09" (1/1) ... [2022-12-15 01:31:09,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:31:09,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:09,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2022-12-15 01:31:09,484 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-12-15 01:31:09,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 01:31:09,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:09,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:09,600 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 01:31:09,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:09,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-12-15 01:31:09,638 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-12-15 01:31:09,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:31:09,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:09,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:09,669 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 01:31:09,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:09,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-12-15 01:31:09,722 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-12-15 01:31:09,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:31:09,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:09,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:09,756 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 01:31:09,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:09,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2022-12-15 01:31:09,898 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2022-12-15 01:31:09,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:31:09,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:09,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:09,951 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 01:31:10,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:10,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2022-12-15 01:31:10,174 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2022-12-15 01:31:10,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:31:10,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:10,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:10,218 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 01:31:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:10,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2022-12-15 01:31:10,407 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2022-12-15 01:31:10,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:31:10,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:10,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:10,425 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 01:31:10,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:10,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2022-12-15 01:31:10,592 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2022-12-15 01:31:10,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:31:10,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:10,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:10,612 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 01:31:10,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:10,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 42 states and 79 transitions. [2022-12-15 01:31:10,704 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 79 transitions. [2022-12-15 01:31:10,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:31:10,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:10,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:10,735 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 01:31:10,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:10,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2022-12-15 01:31:10,924 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2022-12-15 01:31:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:31:10,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:10,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:10,947 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 01:31:11,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:11,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2022-12-15 01:31:11,085 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2022-12-15 01:31:11,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:31:11,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:11,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:11,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:31:11,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:11,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2022-12-15 01:31:11,180 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2022-12-15 01:31:11,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:31:11,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:11,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:11,198 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 01:31:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:11,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2022-12-15 01:31:11,298 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2022-12-15 01:31:11,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:31:11,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:11,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:11,311 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 01:31:11,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:11,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2022-12-15 01:31:11,332 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2022-12-15 01:31:11,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:31:11,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:11,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:31:11,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:11,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2022-12-15 01:31:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2022-12-15 01:31:11,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:31:11,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:11,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:11,518 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 01:31:11,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:11,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 84 transitions. [2022-12-15 01:31:11,602 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 84 transitions. [2022-12-15 01:31:11,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:31:11,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:11,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:11,614 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 01:31:11,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:11,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 54 states and 88 transitions. [2022-12-15 01:31:11,639 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 88 transitions. [2022-12-15 01:31:11,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:31:11,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:11,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:11,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:31:11,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:11,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 105 transitions. [2022-12-15 01:31:11,916 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 105 transitions. [2022-12-15 01:31:11,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:31:11,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:11,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:11,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:31:12,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:12,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 61 states and 110 transitions. [2022-12-15 01:31:12,284 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 110 transitions. [2022-12-15 01:31:12,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:31:12,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:12,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:12,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:31:12,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:12,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2022-12-15 01:31:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2022-12-15 01:31:12,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:31:12,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:12,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:31:12,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:12,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 67 states and 115 transitions. [2022-12-15 01:31:12,592 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 115 transitions. [2022-12-15 01:31:12,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:31:12,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:12,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:12,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:31:12,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:12,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 70 states and 117 transitions. [2022-12-15 01:31:12,906 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 117 transitions. [2022-12-15 01:31:12,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:31:12,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:12,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:12,948 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:31:13,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:13,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 69 states and 116 transitions. [2022-12-15 01:31:13,025 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 116 transitions. [2022-12-15 01:31:13,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:31:13,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:13,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:13,062 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:31:13,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:13,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 72 states and 126 transitions. [2022-12-15 01:31:13,344 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 126 transitions. [2022-12-15 01:31:13,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:31:13,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:13,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:13,371 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:31:13,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:13,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 77 states and 135 transitions. [2022-12-15 01:31:13,795 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 135 transitions. [2022-12-15 01:31:13,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:31:13,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:13,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:13,815 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 01:31:13,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:13,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 77 states and 134 transitions. [2022-12-15 01:31:13,946 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 134 transitions. [2022-12-15 01:31:13,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:31:13,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:13,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:31:14,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:14,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 82 states and 140 transitions. [2022-12-15 01:31:14,390 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 140 transitions. [2022-12-15 01:31:14,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:31:14,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:14,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:31:14,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:14,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 84 states and 141 transitions. [2022-12-15 01:31:14,648 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 141 transitions. [2022-12-15 01:31:14,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:31:14,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:14,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:14,688 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:31:15,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:15,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 84 states and 139 transitions. [2022-12-15 01:31:15,086 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 139 transitions. [2022-12-15 01:31:15,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:31:15,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:15,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:31:15,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:15,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 81 states and 133 transitions. [2022-12-15 01:31:15,268 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 133 transitions. [2022-12-15 01:31:15,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:31:15,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:15,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:15,310 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 01:31:15,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:15,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 86 states and 146 transitions. [2022-12-15 01:31:15,702 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 146 transitions. [2022-12-15 01:31:15,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 01:31:15,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:15,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:15,714 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 01:31:15,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:15,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 87 states and 149 transitions. [2022-12-15 01:31:15,985 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 149 transitions. [2022-12-15 01:31:15,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 01:31:15,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:15,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:16,005 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:31:16,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:16,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 84 transitions. [2022-12-15 01:31:16,166 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 84 transitions. [2022-12-15 01:31:16,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:31:16,166 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2022-12-15 01:31:16,173 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 01:31:16,420 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-12-15 01:31:16,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:31:16 ImpRootNode [2022-12-15 01:31:16,429 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:31:16,429 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:31:16,429 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:31:16,430 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:31:16,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:31:09" (3/4) ... [2022-12-15 01:31:16,432 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:31:16,438 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-15 01:31:16,438 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-15 01:31:16,438 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 01:31:16,462 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0f19f7-553a-45fd-892c-7f9f00e72046/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:31:16,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:31:16,463 INFO L158 Benchmark]: Toolchain (without parser) took 7417.85ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 105.6MB in the beginning and 102.9MB in the end (delta: 2.8MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2022-12-15 01:31:16,463 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 140.5MB. Free memory is still 111.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:31:16,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 138.36ms. Allocated memory is still 140.5MB. Free memory was 105.6MB in the beginning and 96.3MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 01:31:16,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.03ms. Allocated memory is still 140.5MB. Free memory was 96.3MB in the beginning and 95.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:31:16,464 INFO L158 Benchmark]: Boogie Preprocessor took 12.96ms. Allocated memory is still 140.5MB. Free memory was 95.0MB in the beginning and 93.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:31:16,464 INFO L158 Benchmark]: RCFGBuilder took 207.59ms. Allocated memory is still 140.5MB. Free memory was 93.9MB in the beginning and 82.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 01:31:16,464 INFO L158 Benchmark]: CodeCheck took 7002.48ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 82.7MB in the beginning and 105.0MB in the end (delta: -22.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-12-15 01:31:16,464 INFO L158 Benchmark]: Witness Printer took 32.77ms. Allocated memory is still 169.9MB. Free memory was 105.0MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:31:16,466 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: 6.7s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3401 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3224 mSDsluCounter, 3149 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2787 mSDsCounter, 1374 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8427 IncrementalHoareTripleChecker+Invalid, 9801 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1374 mSolverCounterUnsat, 362 mSDtfsCounter, 8427 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4185 GetRequests, 3903 SyntacticMatches, 46 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29112 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 376 ConstructedInterpolants, 0 QuantifiedInterpolants, 1012 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 26 PerfectInterpolantSequences, 144/166 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: (!(0 <= i + 2147483648) || (i <= 2147483647 && range <= 20)) || !(20 <= range) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 140.5MB. Free memory is still 111.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 138.36ms. Allocated memory is still 140.5MB. Free memory was 105.6MB in the beginning and 96.3MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.03ms. Allocated memory is still 140.5MB. Free memory was 96.3MB in the beginning and 95.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.96ms. Allocated memory is still 140.5MB. Free memory was 95.0MB in the beginning and 93.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 207.59ms. Allocated memory is still 140.5MB. Free memory was 93.9MB in the beginning and 82.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 7002.48ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 82.7MB in the beginning and 105.0MB in the end (delta: -22.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Witness Printer took 32.77ms. Allocated memory is still 169.9MB. Free memory was 105.0MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:31:16,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0f19f7-553a-45fd-892c-7f9f00e72046/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