./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB16.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash af8e82454aa21445af9cfd1f5b129d72eb611482c0d2720e1036f8b2ab15d2d6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:02:47,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:02:47,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:02:47,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:02:47,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:02:47,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:02:47,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:02:47,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:02:47,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:02:47,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:02:47,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:02:47,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:02:47,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:02:47,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:02:47,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:02:47,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:02:47,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:02:47,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:02:47,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:02:47,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:02:47,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:02:47,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:02:47,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:02:47,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:02:47,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:02:47,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:02:47,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:02:47,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:02:47,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:02:47,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:02:47,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:02:47,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:02:47,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:02:47,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:02:47,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:02:47,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:02:47,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:02:47,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:02:47,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:02:47,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:02:47,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:02:47,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:02:47,531 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:02:47,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:02:47,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:02:47,533 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:02:47,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:02:47,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:02:47,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:02:47,534 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:02:47,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:02:47,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:02:47,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:02:47,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:02:47,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:02:47,536 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:02:47,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:02:47,537 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:02:47,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:02:47,537 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:02:47,537 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:02:47,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:02:47,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:02:47,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:02:47,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:02:47,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:02:47,539 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:02:47,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:02:47,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:02:47,539 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_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af8e82454aa21445af9cfd1f5b129d72eb611482c0d2720e1036f8b2ab15d2d6 [2022-11-20 18:02:47,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:02:47,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:02:47,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:02:47,870 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:02:47,871 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:02:47,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-restricted-15/PastaB16.c [2022-11-20 18:02:50,845 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:02:51,111 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:02:51,112 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/sv-benchmarks/c/termination-restricted-15/PastaB16.c [2022-11-20 18:02:51,118 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ/data/bf9696a30/6d52672f44614db3bc2fc6a9e38119bb/FLAGee8508af9 [2022-11-20 18:02:51,132 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ/data/bf9696a30/6d52672f44614db3bc2fc6a9e38119bb [2022-11-20 18:02:51,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:02:51,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:02:51,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:02:51,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:02:51,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:02:51,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:02:51" (1/1) ... [2022-11-20 18:02:51,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@83462f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:51, skipping insertion in model container [2022-11-20 18:02:51,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:02:51" (1/1) ... [2022-11-20 18:02:51,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:02:51,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:02:51,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:02:51,335 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:02:51,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:02:51,353 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:02:51,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:51 WrapperNode [2022-11-20 18:02:51,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:02:51,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:02:51,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:02:51,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:02:51,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:51" (1/1) ... [2022-11-20 18:02:51,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:51" (1/1) ... [2022-11-20 18:02:51,383 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2022-11-20 18:02:51,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:02:51,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:02:51,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:02:51,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:02:51,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:51" (1/1) ... [2022-11-20 18:02:51,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:51" (1/1) ... [2022-11-20 18:02:51,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:51" (1/1) ... [2022-11-20 18:02:51,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:51" (1/1) ... [2022-11-20 18:02:51,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:51" (1/1) ... [2022-11-20 18:02:51,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:51" (1/1) ... [2022-11-20 18:02:51,401 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:51" (1/1) ... [2022-11-20 18:02:51,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:51" (1/1) ... [2022-11-20 18:02:51,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:02:51,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:02:51,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:02:51,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:02:51,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:51" (1/1) ... [2022-11-20 18:02:51,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:02:51,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:02:51,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:02:51,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:02:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:02:51,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:02:51,572 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:02:51,574 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:02:51,702 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:02:51,722 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:02:51,722 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 18:02:51,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:02:51 BoogieIcfgContainer [2022-11-20 18:02:51,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:02:51,726 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:02:51,726 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:02:51,736 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:02:51,737 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:02:51" (1/1) ... [2022-11-20 18:02:51,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:02:51,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:51,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-11-20 18:02:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-20 18:02:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:02:51,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:51,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:52,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:52,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2022-11-20 18:02:52,009 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2022-11-20 18:02:52,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:02:52,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:52,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:52,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:52,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:52,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2022-11-20 18:02:52,200 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-11-20 18:02:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:02:52,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:52,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:52,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:52,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:52,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-11-20 18:02:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-11-20 18:02:52,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:02:52,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:52,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:52,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:52,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:52,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-11-20 18:02:52,603 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-11-20 18:02:52,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:02:52,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:52,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:52,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:52,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2022-11-20 18:02:52,771 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2022-11-20 18:02:52,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:02:52,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:52,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:52,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:02:52,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2022-11-20 18:02:52,970 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2022-11-20 18:02:52,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:02:52,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:52,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:53,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:02:53,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:53,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2022-11-20 18:02:53,175 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-11-20 18:02:53,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:02:53,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:53,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:53,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:53,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2022-11-20 18:02:53,402 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2022-11-20 18:02:53,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:02:53,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:53,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:53,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:53,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:53,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-20 18:02:53,555 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-20 18:02:53,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:02:53,556 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2022-11-20 18:02:53,566 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 18:02:53,612 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2022-11-20 18:02:53,622 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-20 18:02:53,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:02:53 ImpRootNode [2022-11-20 18:02:53,624 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:02:53,625 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:02:53,625 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:02:53,626 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:02:53,626 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:02:51" (3/4) ... [2022-11-20 18:02:53,629 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:02:53,643 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 18:02:53,643 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 18:02:53,644 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 18:02:53,696 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:02:53,697 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:02:53,697 INFO L158 Benchmark]: Toolchain (without parser) took 2561.11ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 122.2MB in the beginning and 122.6MB in the end (delta: -408.7kB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2022-11-20 18:02:53,698 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 155.2MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:02:53,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.79ms. Allocated memory is still 155.2MB. Free memory was 122.2MB in the beginning and 113.0MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:02:53,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.47ms. Allocated memory is still 155.2MB. Free memory was 113.0MB in the beginning and 111.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:02:53,699 INFO L158 Benchmark]: Boogie Preprocessor took 18.93ms. Allocated memory is still 155.2MB. Free memory was 111.8MB in the beginning and 111.0MB in the end (delta: 782.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:02:53,700 INFO L158 Benchmark]: RCFGBuilder took 321.48ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 101.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:02:53,700 INFO L158 Benchmark]: CodeCheck took 1898.48ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 101.2MB in the beginning and 124.6MB in the end (delta: -23.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-11-20 18:02:53,701 INFO L158 Benchmark]: Witness Printer took 71.46ms. Allocated memory is still 188.7MB. Free memory was 124.6MB in the beginning and 122.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:02:53,704 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 189 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 630 IncrementalHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 18 mSDtfsCounter, 630 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 521 GetRequests, 471 SyntacticMatches, 8 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 663 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 9/9 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: 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: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: (x <= 2147483647 && 1 <= x) && y <= 2147483647 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 155.2MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.79ms. Allocated memory is still 155.2MB. Free memory was 122.2MB in the beginning and 113.0MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.47ms. Allocated memory is still 155.2MB. Free memory was 113.0MB in the beginning and 111.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.93ms. Allocated memory is still 155.2MB. Free memory was 111.8MB in the beginning and 111.0MB in the end (delta: 782.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 321.48ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 101.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1898.48ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 101.2MB in the beginning and 124.6MB in the end (delta: -23.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Witness Printer took 71.46ms. Allocated memory is still 188.7MB. Free memory was 124.6MB in the beginning and 122.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:02:53,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f1d12e-e38e-4f7d-8609-26b1712ab089/bin/ukojak-pZX7IvK2PQ/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