./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-new/count_by_k.i --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_9cb1603a-9528-41de-a04f-4a7caf362bbe/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb1603a-9528-41de-a04f-4a7caf362bbe/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_9cb1603a-9528-41de-a04f-4a7caf362bbe/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb1603a-9528-41de-a04f-4a7caf362bbe/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/count_by_k.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb1603a-9528-41de-a04f-4a7caf362bbe/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_9cb1603a-9528-41de-a04f-4a7caf362bbe/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 ee41851a84d57c0c483c2a5edf48180b7c141c1991cdc82f0d66c6775eb49f5b --- 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 20:19:56,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:19:56,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:19:56,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:19:56,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:19:56,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:19:56,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:19:56,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:19:56,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:19:56,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:19:56,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:19:56,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:19:56,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:19:56,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:19:56,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:19:56,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:19:56,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:19:56,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:19:56,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:19:56,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:19:56,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:19:56,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:19:56,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:19:56,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:19:56,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:19:56,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:19:56,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:19:56,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:19:56,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:19:56,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:19:56,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:19:56,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:19:56,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:19:56,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:19:56,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:19:56,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:19:56,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:19:56,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:19:56,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:19:56,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:19:56,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:19:56,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb1603a-9528-41de-a04f-4a7caf362bbe/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 20:19:56,597 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:19:56,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:19:56,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:19:56,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:19:56,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:19:56,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:19:56,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:19:56,607 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:19:56,607 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:19:56,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:19:56,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:19:56,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:19:56,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:19:56,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:19:56,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:19:56,609 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 20:19:56,609 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:19:56,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:19:56,609 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:19:56,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:19:56,609 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:19:56,610 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:19:56,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:19:56,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:19:56,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:19:56,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:19:56,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:19:56,611 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:19:56,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:19:56,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:19:56,611 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_9cb1603a-9528-41de-a04f-4a7caf362bbe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb1603a-9528-41de-a04f-4a7caf362bbe/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee41851a84d57c0c483c2a5edf48180b7c141c1991cdc82f0d66c6775eb49f5b [2022-12-14 20:19:56,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:19:56,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:19:56,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:19:56,819 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:19:56,819 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:19:56,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb1603a-9528-41de-a04f-4a7caf362bbe/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loop-new/count_by_k.i [2022-12-14 20:19:59,407 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:19:59,527 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:19:59,527 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb1603a-9528-41de-a04f-4a7caf362bbe/sv-benchmarks/c/loop-new/count_by_k.i [2022-12-14 20:19:59,531 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb1603a-9528-41de-a04f-4a7caf362bbe/bin/ukojak-rkRKPMF4O4/data/c0b67097d/5f9cd94cd55a4e0f8ec61aae6346202f/FLAG3557ad20e [2022-12-14 20:19:59,542 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb1603a-9528-41de-a04f-4a7caf362bbe/bin/ukojak-rkRKPMF4O4/data/c0b67097d/5f9cd94cd55a4e0f8ec61aae6346202f [2022-12-14 20:19:59,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:19:59,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:19:59,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:19:59,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:19:59,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:19:59,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:19:59" (1/1) ... [2022-12-14 20:19:59,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54770188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:59, skipping insertion in model container [2022-12-14 20:19:59,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:19:59" (1/1) ... [2022-12-14 20:19:59,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:19:59,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:19:59,668 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_9cb1603a-9528-41de-a04f-4a7caf362bbe/sv-benchmarks/c/loop-new/count_by_k.i[891,904] [2022-12-14 20:19:59,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:19:59,682 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:19:59,691 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_9cb1603a-9528-41de-a04f-4a7caf362bbe/sv-benchmarks/c/loop-new/count_by_k.i[891,904] [2022-12-14 20:19:59,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:19:59,708 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:19:59,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:59 WrapperNode [2022-12-14 20:19:59,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:19:59,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:19:59,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:19:59,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:19:59,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:59" (1/1) ... [2022-12-14 20:19:59,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:59" (1/1) ... [2022-12-14 20:19:59,731 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2022-12-14 20:19:59,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:19:59,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:19:59,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:19:59,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:19:59,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:59" (1/1) ... [2022-12-14 20:19:59,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:59" (1/1) ... [2022-12-14 20:19:59,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:59" (1/1) ... [2022-12-14 20:19:59,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:59" (1/1) ... [2022-12-14 20:19:59,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:59" (1/1) ... [2022-12-14 20:19:59,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:59" (1/1) ... [2022-12-14 20:19:59,744 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:59" (1/1) ... [2022-12-14 20:19:59,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:59" (1/1) ... [2022-12-14 20:19:59,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:19:59,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:19:59,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:19:59,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:19:59,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:19:59" (1/1) ... [2022-12-14 20:19:59,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:19:59,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb1603a-9528-41de-a04f-4a7caf362bbe/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:19:59,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb1603a-9528-41de-a04f-4a7caf362bbe/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:19:59,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb1603a-9528-41de-a04f-4a7caf362bbe/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:19:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:19:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:19:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:19:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:19:59,848 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:19:59,850 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:19:59,943 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:19:59,970 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:19:59,971 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 20:19:59,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:19:59 BoogieIcfgContainer [2022-12-14 20:19:59,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:19:59,974 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:19:59,974 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:19:59,983 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:19:59,983 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:19:59" (1/1) ... [2022-12-14 20:19:59,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:20:00,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:00,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-12-14 20:20:00,046 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-14 20:20:00,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 20:20:00,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:00,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:00,184 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 20:20:00,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:00,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-12-14 20:20:00,214 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-12-14 20:20:00,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 20:20:00,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:00,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:00,248 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 20:20:00,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:00,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-12-14 20:20:00,292 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-12-14 20:20:00,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:20:00,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:00,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:00,320 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 20:20:00,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:00,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2022-12-14 20:20:00,344 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-12-14 20:20:00,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:20:00,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:00,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:00,388 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 20:20:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:00,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2022-12-14 20:20:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-12-14 20:20:00,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:20:00,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:00,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:00,531 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 20:20:00,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:00,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2022-12-14 20:20:00,574 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2022-12-14 20:20:00,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:20:00,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:00,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:00,621 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 20:20:00,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:00,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2022-12-14 20:20:00,660 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2022-12-14 20:20:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 20:20:00,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:00,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:20:00,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:00,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2022-12-14 20:20:00,715 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2022-12-14 20:20:00,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 20:20:00,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:00,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:00,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:20:01,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:01,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2022-12-14 20:20:01,083 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-12-14 20:20:01,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 20:20:01,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:01,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:01,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 20:20:01,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:01,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2022-12-14 20:20:01,149 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-12-14 20:20:01,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 20:20:01,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:01,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:01,197 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:20:01,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:01,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2022-12-14 20:20:01,408 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2022-12-14 20:20:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:20:01,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:01,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:01,428 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 20:20:01,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2022-12-14 20:20:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2022-12-14 20:20:01,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 20:20:01,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:01,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:01,600 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 20:20:01,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:01,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2022-12-14 20:20:01,731 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2022-12-14 20:20:01,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:20:01,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:01,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:20:01,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:01,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 64 transitions. [2022-12-14 20:20:01,909 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2022-12-14 20:20:01,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:20:01,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:01,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:01,979 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:20:02,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:02,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 75 transitions. [2022-12-14 20:20:02,259 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2022-12-14 20:20:02,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 20:20:02,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:02,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:02,279 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 20:20:02,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:02,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2022-12-14 20:20:02,423 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2022-12-14 20:20:02,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 20:20:02,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:02,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:02,442 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 20:20:02,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:02,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2022-12-14 20:20:02,562 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2022-12-14 20:20:02,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:20:02,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:02,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:02,604 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 20:20:02,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:02,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 81 transitions. [2022-12-14 20:20:02,757 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2022-12-14 20:20:02,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 20:20:02,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:02,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:02,774 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-14 20:20:02,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:02,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 56 states and 80 transitions. [2022-12-14 20:20:02,919 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2022-12-14 20:20:02,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:20:02,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:20:02,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:20:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:20:02,933 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 20:20:03,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:20:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2022-12-14 20:20:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-12-14 20:20:03,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 20:20:03,094 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2022-12-14 20:20:03,100 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-14 20:20:03,246 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 20:20:03,254 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:20:03,254 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2022-12-14 20:20:03,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:20:03 ImpRootNode [2022-12-14 20:20:03,255 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:20:03,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:20:03,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:20:03,256 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:20:03,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:19:59" (3/4) ... [2022-12-14 20:20:03,259 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 20:20:03,267 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-14 20:20:03,267 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 20:20:03,267 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 20:20:03,267 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 20:20:03,297 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb1603a-9528-41de-a04f-4a7caf362bbe/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:20:03,297 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:20:03,298 INFO L158 Benchmark]: Toolchain (without parser) took 3753.18ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 70.4MB in the beginning and 76.4MB in the end (delta: -6.1MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2022-12-14 20:20:03,298 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 111.1MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:20:03,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.88ms. Allocated memory is still 111.1MB. Free memory was 70.4MB in the beginning and 60.1MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 20:20:03,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.17ms. Allocated memory is still 111.1MB. Free memory was 60.1MB in the beginning and 58.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:20:03,299 INFO L158 Benchmark]: Boogie Preprocessor took 14.19ms. Allocated memory is still 111.1MB. Free memory was 58.6MB in the beginning and 57.8MB in the end (delta: 882.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:20:03,299 INFO L158 Benchmark]: RCFGBuilder took 226.55ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 57.8MB in the beginning and 122.7MB in the end (delta: -65.0MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-12-14 20:20:03,300 INFO L158 Benchmark]: CodeCheck took 3281.51ms. Allocated memory is still 151.0MB. Free memory was 122.7MB in the beginning and 78.5MB in the end (delta: 44.2MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2022-12-14 20:20:03,300 INFO L158 Benchmark]: Witness Printer took 41.82ms. Allocated memory is still 151.0MB. Free memory was 78.5MB in the beginning and 76.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:20:03,301 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, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1100 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 977 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 480 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2964 IncrementalHoareTripleChecker+Invalid, 3444 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 480 mSolverCounterUnsat, 38 mSDtfsCounter, 2964 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1959 GetRequests, 1807 SyntacticMatches, 32 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7227 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 819 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 14 PerfectInterpolantSequences, 155/198 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: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: k <= 10 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((0 <= k && k <= 10) && 1 <= i + k) || ((0 <= k && i == 0) && k <= 10) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 111.1MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.88ms. Allocated memory is still 111.1MB. Free memory was 70.4MB in the beginning and 60.1MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.17ms. Allocated memory is still 111.1MB. Free memory was 60.1MB in the beginning and 58.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.19ms. Allocated memory is still 111.1MB. Free memory was 58.6MB in the beginning and 57.8MB in the end (delta: 882.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 226.55ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 57.8MB in the beginning and 122.7MB in the end (delta: -65.0MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * CodeCheck took 3281.51ms. Allocated memory is still 151.0MB. Free memory was 122.7MB in the beginning and 78.5MB in the end (delta: 44.2MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * Witness Printer took 41.82ms. Allocated memory is still 151.0MB. Free memory was 78.5MB in the beginning and 76.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 20:20:03,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb1603a-9528-41de-a04f-4a7caf362bbe/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