./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c80813-74d7-44d0-bfec-46e44e908c7a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c80813-74d7-44d0-bfec-46e44e908c7a/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_12c80813-74d7-44d0-bfec-46e44e908c7a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c80813-74d7-44d0-bfec-46e44e908c7a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c80813-74d7-44d0-bfec-46e44e908c7a/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_12c80813-74d7-44d0-bfec-46e44e908c7a/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 ec52b50984ce4a37adbf31241337a0752ee4ecf2eb9496b3e3fee60fba9a59cc --- 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 [2022-12-14 18:07:06,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:07:06,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:07:06,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:07:06,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:07:06,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:07:06,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:07:06,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:07:06,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:07:06,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:07:06,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:07:06,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:07:06,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:07:06,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:07:06,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:07:06,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:07:06,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:07:06,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:07:06,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:07:06,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:07:06,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:07:06,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:07:06,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:07:06,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:07:06,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:07:06,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:07:06,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:07:06,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:07:06,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:07:06,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:07:06,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:07:06,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:07:06,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:07:06,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:07:06,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:07:06,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:07:06,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:07:06,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:07:06,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:07:06,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:07:06,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:07:06,486 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c80813-74d7-44d0-bfec-46e44e908c7a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:07:06,516 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:07:06,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:07:06,517 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:07:06,517 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:07:06,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:07:06,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:07:06,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:07:06,518 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:07:06,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:07:06,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:07:06,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:07:06,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:07:06,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:07:06,519 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:07:06,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:07:06,519 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:07:06,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:07:06,519 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:07:06,519 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:07:06,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:07:06,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:07:06,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:07:06,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:07:06,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:07:06,520 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:07:06,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:07:06,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:07:06,521 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_12c80813-74d7-44d0-bfec-46e44e908c7a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c80813-74d7-44d0-bfec-46e44e908c7a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec52b50984ce4a37adbf31241337a0752ee4ecf2eb9496b3e3fee60fba9a59cc [2022-12-14 18:07:06,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:07:06,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:07:06,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:07:06,731 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:07:06,732 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:07:06,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c80813-74d7-44d0-bfec-46e44e908c7a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2022-12-14 18:07:09,351 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:07:09,525 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:07:09,526 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c80813-74d7-44d0-bfec-46e44e908c7a/sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca.i [2022-12-14 18:07:09,533 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c80813-74d7-44d0-bfec-46e44e908c7a/bin/ukojak-rkRKPMF4O4/data/0227e1e34/d6a48e79656641fd9ff382bc539728e5/FLAGb2b9e6b58 [2022-12-14 18:07:09,543 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c80813-74d7-44d0-bfec-46e44e908c7a/bin/ukojak-rkRKPMF4O4/data/0227e1e34/d6a48e79656641fd9ff382bc539728e5 [2022-12-14 18:07:09,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:07:09,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:07:09,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:07:09,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:07:09,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:07:09,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:07:09" (1/1) ... [2022-12-14 18:07:09,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@167b09fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:07:09, skipping insertion in model container [2022-12-14 18:07:09,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:07:09" (1/1) ... [2022-12-14 18:07:09,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:07:09,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:07:09,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:07:09,796 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:07:09,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:07:09,854 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:07:09,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:07:09 WrapperNode [2022-12-14 18:07:09,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:07:09,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:07:09,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:07:09,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:07:09,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:07:09" (1/1) ... [2022-12-14 18:07:09,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:07:09" (1/1) ... [2022-12-14 18:07:09,886 INFO L138 Inliner]: procedures = 111, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2022-12-14 18:07:09,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:07:09,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:07:09,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:07:09,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:07:09,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:07:09" (1/1) ... [2022-12-14 18:07:09,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:07:09" (1/1) ... [2022-12-14 18:07:09,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:07:09" (1/1) ... [2022-12-14 18:07:09,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:07:09" (1/1) ... [2022-12-14 18:07:09,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:07:09" (1/1) ... [2022-12-14 18:07:09,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:07:09" (1/1) ... [2022-12-14 18:07:09,899 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:07:09" (1/1) ... [2022-12-14 18:07:09,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:07:09" (1/1) ... [2022-12-14 18:07:09,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:07:09,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:07:09,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:07:09,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:07:09,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:07:09" (1/1) ... [2022-12-14 18:07:09,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:07:09,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c80813-74d7-44d0-bfec-46e44e908c7a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:07:09,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c80813-74d7-44d0-bfec-46e44e908c7a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:07:09,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c80813-74d7-44d0-bfec-46e44e908c7a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:07:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:07:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:07:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:07:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:07:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-12-14 18:07:09,964 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-12-14 18:07:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:07:09,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:07:10,043 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:07:10,045 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:07:10,110 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:07:10,127 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:07:10,127 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 18:07:10,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:07:10 BoogieIcfgContainer [2022-12-14 18:07:10,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:07:10,129 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:07:10,129 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:07:10,137 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:07:10,137 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:07:10" (1/1) ... [2022-12-14 18:07:10,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:07:10,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:10,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-12-14 18:07:10,184 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-12-14 18:07:10,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:07:10,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:07:10,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:07:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:07:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:07:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:10,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 21 transitions. [2022-12-14 18:07:10,513 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-12-14 18:07:10,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:07:10,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:07:10,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:07:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:07:10,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:07:10,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 17 transitions. [2022-12-14 18:07:10,633 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-14 18:07:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:07:10,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:07:10,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:07:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:07:10,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:07:10,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:10,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 30 transitions. [2022-12-14 18:07:10,880 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2022-12-14 18:07:10,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:07:10,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:07:10,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:07:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:07:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:07:10,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:10,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 31 transitions. [2022-12-14 18:07:10,939 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2022-12-14 18:07:10,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:07:10,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:07:10,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:07:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:07:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:07:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:11,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 36 transitions. [2022-12-14 18:07:11,502 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2022-12-14 18:07:11,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:07:11,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:07:11,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:07:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:07:11,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:07:11,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:11,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 14 states and 16 transitions. [2022-12-14 18:07:11,637 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-14 18:07:11,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:07:11,638 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-12-14 18:07:11,644 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-12-14 18:07:11,704 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:07:11,707 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:07:11,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:07:11 ImpRootNode [2022-12-14 18:07:11,708 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:07:11,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:07:11,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:07:11,709 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:07:11,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:07:10" (3/4) ... [2022-12-14 18:07:11,712 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:07:11,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2022-12-14 18:07:11,719 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 18:07:11,719 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 18:07:11,719 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 18:07:11,743 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c80813-74d7-44d0-bfec-46e44e908c7a/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:07:11,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:07:11,744 INFO L158 Benchmark]: Toolchain (without parser) took 2197.72ms. Allocated memory is still 180.4MB. Free memory was 121.2MB in the beginning and 111.4MB in the end (delta: 9.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2022-12-14 18:07:11,744 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:07:11,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.00ms. Allocated memory is still 180.4MB. Free memory was 120.9MB in the beginning and 152.6MB in the end (delta: -31.7MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-12-14 18:07:11,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.48ms. Allocated memory is still 180.4MB. Free memory was 152.6MB in the beginning and 151.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:07:11,745 INFO L158 Benchmark]: Boogie Preprocessor took 14.54ms. Allocated memory is still 180.4MB. Free memory was 151.2MB in the beginning and 150.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:07:11,745 INFO L158 Benchmark]: RCFGBuilder took 227.44ms. Allocated memory is still 180.4MB. Free memory was 150.1MB in the beginning and 139.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 18:07:11,746 INFO L158 Benchmark]: CodeCheck took 1578.57ms. Allocated memory is still 180.4MB. Free memory was 139.2MB in the beginning and 113.5MB in the end (delta: 25.7MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-12-14 18:07:11,746 INFO L158 Benchmark]: Witness Printer took 35.15ms. Allocated memory is still 180.4MB. Free memory was 113.5MB in the beginning and 111.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:07:11,748 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 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 165 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 179 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 89 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 337 IncrementalHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 90 mSDtfsCounter, 337 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 597 GetRequests, 541 SyntacticMatches, 16 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 374 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 7/13 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: 549]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 549]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.00ms. Allocated memory is still 180.4MB. Free memory was 120.9MB in the beginning and 152.6MB in the end (delta: -31.7MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.48ms. Allocated memory is still 180.4MB. Free memory was 152.6MB in the beginning and 151.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.54ms. Allocated memory is still 180.4MB. Free memory was 151.2MB in the beginning and 150.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 227.44ms. Allocated memory is still 180.4MB. Free memory was 150.1MB in the beginning and 139.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1578.57ms. Allocated memory is still 180.4MB. Free memory was 139.2MB in the beginning and 113.5MB in the end (delta: 25.7MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Witness Printer took 35.15ms. Allocated memory is still 180.4MB. Free memory was 113.5MB in the beginning and 111.4MB 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! [2022-12-14 18:07:11,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c80813-74d7-44d0-bfec-46e44e908c7a/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