./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext3/getNumbers1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_efdab9e2-66ae-4fa5-a541-89a89acde5ee/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdab9e2-66ae-4fa5-a541-89a89acde5ee/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_efdab9e2-66ae-4fa5-a541-89a89acde5ee/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdab9e2-66ae-4fa5-a541-89a89acde5ee/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/memsafety-ext3/getNumbers1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdab9e2-66ae-4fa5-a541-89a89acde5ee/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdab9e2-66ae-4fa5-a541-89a89acde5ee/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 32bit --witnessprinter.graph.data.programhash 1fb17cc8fe5a0faedd7397d9dad19c9fd18716037f6fbcc01ca4a50f1481e06c --- 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 19:15:36,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:15:36,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:15:36,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:15:36,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:15:36,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:15:36,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:15:36,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:15:36,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:15:36,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:15:36,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:15:36,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:15:36,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:15:36,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:15:36,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:15:36,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:15:36,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:15:36,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:15:36,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:15:36,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:15:36,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:15:36,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:15:36,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:15:36,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:15:36,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:15:36,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:15:36,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:15:36,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:15:36,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:15:36,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:15:36,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:15:36,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:15:36,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:15:36,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:15:36,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:15:36,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:15:36,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:15:36,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:15:36,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:15:36,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:15:36,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:15:36,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdab9e2-66ae-4fa5-a541-89a89acde5ee/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 19:15:36,595 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:15:36,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:15:36,596 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:15:36,596 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:15:36,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:15:36,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:15:36,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:15:36,597 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:15:36,597 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 19:15:36,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:15:36,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:15:36,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:15:36,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:15:36,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:15:36,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:15:36,598 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 19:15:36,599 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:15:36,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:15:36,599 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:15:36,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:15:36,599 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:15:36,599 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:15:36,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:15:36,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:15:36,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:15:36,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:15:36,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:15:36,600 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:15:36,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:15:36,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:15:36,601 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_efdab9e2-66ae-4fa5-a541-89a89acde5ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdab9e2-66ae-4fa5-a541-89a89acde5ee/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fb17cc8fe5a0faedd7397d9dad19c9fd18716037f6fbcc01ca4a50f1481e06c [2022-12-14 19:15:36,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:15:36,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:15:36,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:15:36,790 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:15:36,790 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:15:36,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdab9e2-66ae-4fa5-a541-89a89acde5ee/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/memsafety-ext3/getNumbers1-2.c [2022-12-14 19:15:39,375 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:15:39,483 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:15:39,484 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdab9e2-66ae-4fa5-a541-89a89acde5ee/sv-benchmarks/c/memsafety-ext3/getNumbers1-2.c [2022-12-14 19:15:39,488 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdab9e2-66ae-4fa5-a541-89a89acde5ee/bin/ukojak-rkRKPMF4O4/data/4f7f7f004/0396617b19c848968fea38a2d813ff0d/FLAGae3fcbd19 [2022-12-14 19:15:39,500 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdab9e2-66ae-4fa5-a541-89a89acde5ee/bin/ukojak-rkRKPMF4O4/data/4f7f7f004/0396617b19c848968fea38a2d813ff0d [2022-12-14 19:15:39,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:15:39,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:15:39,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:15:39,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:15:39,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:15:39,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:15:39" (1/1) ... [2022-12-14 19:15:39,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec99698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:15:39, skipping insertion in model container [2022-12-14 19:15:39,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:15:39" (1/1) ... [2022-12-14 19:15:39,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:15:39,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:15:39,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:15:39,647 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:15:39,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:15:39,669 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:15:39,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:15:39 WrapperNode [2022-12-14 19:15:39,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:15:39,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:15:39,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:15:39,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:15:39,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:15:39" (1/1) ... [2022-12-14 19:15:39,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:15:39" (1/1) ... [2022-12-14 19:15:39,694 INFO L138 Inliner]: procedures = 9, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2022-12-14 19:15:39,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:15:39,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:15:39,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:15:39,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:15:39,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:15:39" (1/1) ... [2022-12-14 19:15:39,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:15:39" (1/1) ... [2022-12-14 19:15:39,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:15:39" (1/1) ... [2022-12-14 19:15:39,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:15:39" (1/1) ... [2022-12-14 19:15:39,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:15:39" (1/1) ... [2022-12-14 19:15:39,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:15:39" (1/1) ... [2022-12-14 19:15:39,708 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:15:39" (1/1) ... [2022-12-14 19:15:39,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:15:39" (1/1) ... [2022-12-14 19:15:39,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:15:39,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:15:39,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:15:39,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:15:39,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:15:39" (1/1) ... [2022-12-14 19:15:39,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:15:39,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdab9e2-66ae-4fa5-a541-89a89acde5ee/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:15:39,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdab9e2-66ae-4fa5-a541-89a89acde5ee/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:15:39,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdab9e2-66ae-4fa5-a541-89a89acde5ee/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:15:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 19:15:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:15:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:15:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:15:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 19:15:39,828 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:15:39,830 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:15:39,912 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:15:39,932 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:15:39,932 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 19:15:39,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:15:39 BoogieIcfgContainer [2022-12-14 19:15:39,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:15:39,935 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:15:39,935 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:15:39,943 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:15:39,943 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:15:39" (1/1) ... [2022-12-14 19:15:39,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:15:39,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:39,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-12-14 19:15:39,994 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-12-14 19:15:39,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 19:15:39,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:39,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:40,133 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 19:15:40,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:40,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-12-14 19:15:40,169 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-14 19:15:40,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 19:15:40,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:40,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:40,209 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 19:15:40,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:40,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-12-14 19:15:40,254 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-12-14 19:15:40,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 19:15:40,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:40,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:40,291 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 19:15:40,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-12-14 19:15:40,315 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-12-14 19:15:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 19:15:40,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:40,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:40,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:15:40,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:40,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-12-14 19:15:40,390 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-14 19:15:40,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 19:15:40,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:40,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:40,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:15:40,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:40,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2022-12-14 19:15:40,474 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-14 19:15:40,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 19:15:40,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:40,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:40,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:15:40,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:40,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-12-14 19:15:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-14 19:15:40,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 19:15:40,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:40,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:40,592 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 19:15:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:40,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-12-14 19:15:40,636 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-14 19:15:40,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 19:15:40,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:40,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:40,674 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 19:15:40,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:40,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-12-14 19:15:40,686 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-14 19:15:40,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 19:15:40,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:40,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:15:40,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2022-12-14 19:15:40,818 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-12-14 19:15:40,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:15:40,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:40,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:15:40,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:40,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2022-12-14 19:15:40,976 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-12-14 19:15:40,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:15:40,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:40,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:41,025 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:15:41,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2022-12-14 19:15:41,127 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-12-14 19:15:41,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:15:41,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:41,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:15:41,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2022-12-14 19:15:41,329 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-12-14 19:15:41,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 19:15:41,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:41,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:41,399 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:15:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:41,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2022-12-14 19:15:41,546 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2022-12-14 19:15:41,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 19:15:41,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:41,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:15:41,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:41,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 35 states and 37 transitions. [2022-12-14 19:15:41,786 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2022-12-14 19:15:41,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 19:15:41,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:41,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:41,859 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:15:42,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:42,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 38 states and 40 transitions. [2022-12-14 19:15:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2022-12-14 19:15:42,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 19:15:42,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:42,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:42,059 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:15:42,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:42,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2022-12-14 19:15:42,140 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2022-12-14 19:15:42,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 19:15:42,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:42,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-14 19:15:42,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:42,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 43 states and 45 transitions. [2022-12-14 19:15:42,329 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2022-12-14 19:15:42,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 19:15:42,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:42,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:42,372 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-12-14 19:15:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:42,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 42 states and 44 transitions. [2022-12-14 19:15:42,478 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2022-12-14 19:15:42,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 19:15:42,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:42,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:42,563 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-14 19:15:42,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:42,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2022-12-14 19:15:42,638 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2022-12-14 19:15:42,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 19:15:42,639 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2022-12-14 19:15:42,645 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 19:15:42,751 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-14 19:15:42,761 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 19:15:42,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 07:15:42 ImpRootNode [2022-12-14 19:15:42,762 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 19:15:42,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 19:15:42,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 19:15:42,763 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 19:15:42,763 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:15:39" (3/4) ... [2022-12-14 19:15:42,766 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 19:15:42,775 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-14 19:15:42,775 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 19:15:42,775 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 19:15:42,810 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdab9e2-66ae-4fa5-a541-89a89acde5ee/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 19:15:42,810 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 19:15:42,811 INFO L158 Benchmark]: Toolchain (without parser) took 3307.23ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 126.7MB in the beginning and 100.8MB in the end (delta: 25.9MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2022-12-14 19:15:42,811 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:15:42,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.42ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 116.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 19:15:42,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.56ms. Allocated memory is still 167.8MB. Free memory was 116.8MB in the beginning and 115.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:15:42,812 INFO L158 Benchmark]: Boogie Preprocessor took 14.97ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 114.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:15:42,813 INFO L158 Benchmark]: RCFGBuilder took 224.27ms. Allocated memory is still 167.8MB. Free memory was 114.1MB in the beginning and 102.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 19:15:42,813 INFO L158 Benchmark]: CodeCheck took 2826.95ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 102.8MB in the beginning and 102.9MB in the end (delta: -53.4kB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2022-12-14 19:15:42,814 INFO L158 Benchmark]: Witness Printer took 47.29ms. Allocated memory is still 201.3MB. Free memory was 102.9MB in the beginning and 100.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:15:42,816 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: 2.7s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 627 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 473 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 620 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1949 IncrementalHoareTripleChecker+Invalid, 2569 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 620 mSolverCounterUnsat, 54 mSDtfsCounter, 1949 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2267 GetRequests, 2164 SyntacticMatches, 23 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2672 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 692 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 8 PerfectInterpolantSequences, 471/883 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: 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: 19]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 0 <= i * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.42ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 116.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.56ms. Allocated memory is still 167.8MB. Free memory was 116.8MB in the beginning and 115.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.97ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 114.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 224.27ms. Allocated memory is still 167.8MB. Free memory was 114.1MB in the beginning and 102.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 2826.95ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 102.8MB in the beginning and 102.9MB in the end (delta: -53.4kB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * Witness Printer took 47.29ms. Allocated memory is still 201.3MB. Free memory was 102.9MB in the beginning and 100.8MB 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 19:15:42,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efdab9e2-66ae-4fa5-a541-89a89acde5ee/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