./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4b2b33802a1e3212162c0e55c40efaad08f7abe5e8690f0efef5fec80921b38 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:32:35,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:32:35,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:32:35,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:32:35,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:32:35,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:32:35,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:32:35,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:32:35,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:32:35,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:32:35,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:32:35,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:32:35,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:32:35,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:32:35,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:32:35,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:32:35,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:32:35,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:32:35,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:32:35,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:32:35,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:32:35,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:32:35,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:32:35,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:32:35,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:32:35,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:32:35,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:32:35,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:32:35,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:32:35,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:32:35,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:32:35,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:32:35,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:32:35,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:32:35,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:32:35,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:32:35,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:32:35,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:32:35,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:32:35,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:32:35,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:32:35,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:32:35,646 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:32:35,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:32:35,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:32:35,648 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:32:35,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:32:35,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:32:35,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:32:35,649 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:32:35,649 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:32:35,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:32:35,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:32:35,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:32:35,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:32:35,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:32:35,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:32:35,652 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:32:35,652 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:32:35,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:32:35,652 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:32:35,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:32:35,653 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:32:35,653 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:32:35,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:32:35,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:32:35,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:32:35,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:32:35,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:32:35,654 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:32:35,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:32:35,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:32:35,655 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_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4b2b33802a1e3212162c0e55c40efaad08f7abe5e8690f0efef5fec80921b38 [2022-11-21 22:32:35,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:32:35,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:32:35,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:32:35,999 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:32:36,000 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:32:36,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c [2022-11-21 22:32:39,035 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:32:39,249 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:32:39,249 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/sv-benchmarks/c/recursive-with-pointer/simple-recursive.c [2022-11-21 22:32:39,255 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg/data/d6750fce6/e19be0a34c9e4ec39398469537faacee/FLAG94b8506f7 [2022-11-21 22:32:39,273 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg/data/d6750fce6/e19be0a34c9e4ec39398469537faacee [2022-11-21 22:32:39,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:32:39,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:32:39,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:32:39,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:32:39,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:32:39,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:32:39" (1/1) ... [2022-11-21 22:32:39,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533dae4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:39, skipping insertion in model container [2022-11-21 22:32:39,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:32:39" (1/1) ... [2022-11-21 22:32:39,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:32:39,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:32:39,476 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/sv-benchmarks/c/recursive-with-pointer/simple-recursive.c[439,452] [2022-11-21 22:32:39,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:32:39,488 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:32:39,501 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/sv-benchmarks/c/recursive-with-pointer/simple-recursive.c[439,452] [2022-11-21 22:32:39,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:32:39,518 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:32:39,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:39 WrapperNode [2022-11-21 22:32:39,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:32:39,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:32:39,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:32:39,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:32:39,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:39" (1/1) ... [2022-11-21 22:32:39,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:39" (1/1) ... [2022-11-21 22:32:39,554 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-21 22:32:39,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:32:39,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:32:39,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:32:39,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:32:39,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:39" (1/1) ... [2022-11-21 22:32:39,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:39" (1/1) ... [2022-11-21 22:32:39,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:39" (1/1) ... [2022-11-21 22:32:39,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:39" (1/1) ... [2022-11-21 22:32:39,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:39" (1/1) ... [2022-11-21 22:32:39,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:39" (1/1) ... [2022-11-21 22:32:39,589 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:39" (1/1) ... [2022-11-21 22:32:39,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:39" (1/1) ... [2022-11-21 22:32:39,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:32:39,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:32:39,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:32:39,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:32:39,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:39" (1/1) ... [2022-11-21 22:32:39,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:32:39,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:32:39,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:32:39,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:32:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:32:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-11-21 22:32:39,688 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-11-21 22:32:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:32:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:32:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-21 22:32:39,689 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-21 22:32:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:32:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:32:39,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:32:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:32:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:32:39,780 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:32:39,782 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:32:39,951 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:32:40,003 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:32:40,003 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:32:40,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:32:40 BoogieIcfgContainer [2022-11-21 22:32:40,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:32:40,007 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:32:40,007 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:32:40,019 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:32:40,019 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:32:40" (1/1) ... [2022-11-21 22:32:40,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:32:40,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2022-11-21 22:32:40,166 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-11-21 22:32:40,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:32:40,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:40,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:40,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:32:40,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:40,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 25 transitions. [2022-11-21 22:32:40,946 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-21 22:32:40,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:32:40,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:40,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:41,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:32:41,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 26 transitions. [2022-11-21 22:32:41,185 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-21 22:32:41,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:32:41,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:41,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:41,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:32:42,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:42,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 35 transitions. [2022-11-21 22:32:42,169 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-11-21 22:32:42,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:32:42,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:42,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:42,544 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:32:43,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:43,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 34 transitions. [2022-11-21 22:32:43,305 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-11-21 22:32:43,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:32:43,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:43,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:43,880 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:32:44,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:44,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 43 transitions. [2022-11-21 22:32:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2022-11-21 22:32:44,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:32:44,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:44,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:32:46,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:46,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 52 transitions. [2022-11-21 22:32:46,610 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-11-21 22:32:46,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 22:32:46,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:46,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:47,664 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:32:48,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:48,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 61 transitions. [2022-11-21 22:32:48,644 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-11-21 22:32:48,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 22:32:48,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:48,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:49,924 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:32:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:50,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 70 transitions. [2022-11-21 22:32:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-11-21 22:32:50,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-21 22:32:50,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:50,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:52,557 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:32:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:53,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 79 transitions. [2022-11-21 22:32:53,716 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-11-21 22:32:53,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-21 22:32:53,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:53,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:55,505 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:32:56,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:32:56,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 70 states and 88 transitions. [2022-11-21 22:32:56,773 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2022-11-21 22:32:56,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-21 22:32:56,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:32:56,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:32:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:32:58,829 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:33:00,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:33:00,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 77 states and 97 transitions. [2022-11-21 22:33:00,185 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 97 transitions. [2022-11-21 22:33:00,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-21 22:33:00,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:33:00,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:33:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:33:00,874 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-11-21 22:33:02,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:33:02,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 96 transitions. [2022-11-21 22:33:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2022-11-21 22:33:02,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:33:02,171 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2022-11-21 22:33:02,180 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-11-21 22:33:02,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:33:02 ImpRootNode [2022-11-21 22:33:02,714 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:33:02,715 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:33:02,715 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:33:02,715 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:33:02,716 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:32:40" (3/4) ... [2022-11-21 22:33:02,719 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:33:02,725 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2022-11-21 22:33:02,725 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure plus [2022-11-21 22:33:02,729 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-21 22:33:02,729 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 22:33:02,731 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 22:33:02,731 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:33:02,731 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:33:02,791 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:33:02,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:33:02,795 INFO L158 Benchmark]: Toolchain (without parser) took 23516.54ms. Allocated memory was 184.5MB in the beginning and 432.0MB in the end (delta: 247.5MB). Free memory was 144.5MB in the beginning and 170.8MB in the end (delta: -26.3MB). Peak memory consumption was 222.7MB. Max. memory is 16.1GB. [2022-11-21 22:33:02,795 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:33:02,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.89ms. Allocated memory is still 184.5MB. Free memory was 144.0MB in the beginning and 134.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 22:33:02,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.37ms. Allocated memory is still 184.5MB. Free memory was 134.5MB in the beginning and 133.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:33:02,799 INFO L158 Benchmark]: Boogie Preprocessor took 37.09ms. Allocated memory is still 184.5MB. Free memory was 133.0MB in the beginning and 131.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:33:02,800 INFO L158 Benchmark]: RCFGBuilder took 413.54ms. Allocated memory is still 184.5MB. Free memory was 131.9MB in the beginning and 120.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 22:33:02,800 INFO L158 Benchmark]: CodeCheck took 22707.43ms. Allocated memory was 184.5MB in the beginning and 432.0MB in the end (delta: 247.5MB). Free memory was 120.0MB in the beginning and 173.9MB in the end (delta: -53.9MB). Peak memory consumption was 197.5MB. Max. memory is 16.1GB. [2022-11-21 22:33:02,801 INFO L158 Benchmark]: Witness Printer took 79.46ms. Allocated memory is still 432.0MB. Free memory was 173.9MB in the beginning and 170.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:33:02,805 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 3 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 22.1s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 313 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 251 mSDsluCounter, 578 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 240 mSDsCounter, 816 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1819 IncrementalHoareTripleChecker+Invalid, 2635 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 816 mSolverCounterUnsat, 338 mSDtfsCounter, 1819 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3148 GetRequests, 2895 SyntacticMatches, 35 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19591 ImplicationChecksByTransitivity, 12.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 408 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 2010 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 303/1071 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: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.89ms. Allocated memory is still 184.5MB. Free memory was 144.0MB in the beginning and 134.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.37ms. Allocated memory is still 184.5MB. Free memory was 134.5MB in the beginning and 133.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.09ms. Allocated memory is still 184.5MB. Free memory was 133.0MB in the beginning and 131.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 413.54ms. Allocated memory is still 184.5MB. Free memory was 131.9MB in the beginning and 120.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 22707.43ms. Allocated memory was 184.5MB in the beginning and 432.0MB in the end (delta: 247.5MB). Free memory was 120.0MB in the beginning and 173.9MB in the end (delta: -53.9MB). Peak memory consumption was 197.5MB. Max. memory is 16.1GB. * Witness Printer took 79.46ms. Allocated memory is still 432.0MB. Free memory was 173.9MB in the beginning and 170.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:33:02,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a336faf-9e80-4559-b710-5467395d4552/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE