./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nest-if3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nest-if3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff6ed2162f27809b742c891ab6e2d783f8472921e0d39d2ecd3fd1d3f6661283 --- 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-dbf71c6-m [2022-10-17 16:45:25,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:45:25,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:45:25,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:45:25,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:45:25,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:45:25,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:45:25,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:45:25,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:45:25,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:45:25,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:45:25,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:45:25,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:45:25,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:45:25,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:45:25,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:45:25,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:45:25,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:45:25,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:45:25,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:45:25,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:45:25,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:45:25,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:45:25,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:45:25,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:45:25,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:45:25,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:45:25,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:45:25,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:45:25,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:45:25,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:45:25,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:45:25,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:45:25,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:45:25,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:45:25,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:45:25,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:45:25,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:45:25,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:45:25,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:45:25,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:45:25,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:45:25,693 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:45:25,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:45:25,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:45:25,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:45:25,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:45:25,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:45:25,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:45:25,698 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:45:25,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:45:25,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:45:25,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:45:25,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:45:25,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:45:25,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:45:25,700 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:45:25,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:45:25,700 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:45:25,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:45:25,701 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:45:25,701 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:45:25,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:45:25,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:25,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:45:25,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:45:25,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:45:25,703 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:45:25,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:45:25,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:45:25,705 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_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff6ed2162f27809b742c891ab6e2d783f8472921e0d39d2ecd3fd1d3f6661283 [2022-10-17 16:45:26,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:45:26,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:45:26,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:45:26,110 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:45:26,111 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:45:26,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-invgen/nest-if3.i [2022-10-17 16:45:26,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB/data/c06135a39/44ccb7224af841008ff0c639d098d665/FLAGabc1358a8 [2022-10-17 16:45:26,710 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:45:26,711 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/sv-benchmarks/c/loop-invgen/nest-if3.i [2022-10-17 16:45:26,720 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB/data/c06135a39/44ccb7224af841008ff0c639d098d665/FLAGabc1358a8 [2022-10-17 16:45:27,065 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB/data/c06135a39/44ccb7224af841008ff0c639d098d665 [2022-10-17 16:45:27,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:45:27,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:45:27,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:27,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:45:27,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:45:27,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:27" (1/1) ... [2022-10-17 16:45:27,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23fe5fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:27, skipping insertion in model container [2022-10-17 16:45:27,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:27" (1/1) ... [2022-10-17 16:45:27,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:45:27,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:45:27,350 WARN L230 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_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/sv-benchmarks/c/loop-invgen/nest-if3.i[893,906] [2022-10-17 16:45:27,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:27,384 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:45:27,404 WARN L230 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_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/sv-benchmarks/c/loop-invgen/nest-if3.i[893,906] [2022-10-17 16:45:27,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:27,437 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:45:27,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:27 WrapperNode [2022-10-17 16:45:27,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:27,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:27,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:45:27,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:45:27,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:27" (1/1) ... [2022-10-17 16:45:27,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:27" (1/1) ... [2022-10-17 16:45:27,485 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2022-10-17 16:45:27,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:27,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:45:27,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:45:27,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:45:27,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:27" (1/1) ... [2022-10-17 16:45:27,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:27" (1/1) ... [2022-10-17 16:45:27,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:27" (1/1) ... [2022-10-17 16:45:27,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:27" (1/1) ... [2022-10-17 16:45:27,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:27" (1/1) ... [2022-10-17 16:45:27,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:27" (1/1) ... [2022-10-17 16:45:27,528 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:27" (1/1) ... [2022-10-17 16:45:27,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:27" (1/1) ... [2022-10-17 16:45:27,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:45:27,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:45:27,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:45:27,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:45:27,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:27" (1/1) ... [2022-10-17 16:45:27,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:27,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:45:27,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:45:27,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:45:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:45:27,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:45:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:45:27,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:45:27,731 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:45:27,733 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:45:27,961 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:45:27,994 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:45:28,008 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:45:28,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:28 BoogieIcfgContainer [2022-10-17 16:45:28,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:45:28,012 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:45:28,013 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:45:28,038 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:45:28,039 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:28" (1/1) ... [2022-10-17 16:45:28,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:45:28,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:28,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2022-10-17 16:45:28,161 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2022-10-17 16:45:28,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:45:28,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:28,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:28,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2022-10-17 16:45:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2022-10-17 16:45:28,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:45:28,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:28,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:28,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:29,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:29,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2022-10-17 16:45:29,458 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2022-10-17 16:45:29,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:45:29,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:29,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:29,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:29,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:29,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2022-10-17 16:45:29,834 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2022-10-17 16:45:29,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:45:29,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:29,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:30,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:30,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:30,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 20 states and 42 transitions. [2022-10-17 16:45:30,585 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 42 transitions. [2022-10-17 16:45:30,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:45:30,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:30,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:30,818 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:31,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:31,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 24 states and 51 transitions. [2022-10-17 16:45:31,401 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 51 transitions. [2022-10-17 16:45:31,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:45:31,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:31,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:31,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:32,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 25 states and 53 transitions. [2022-10-17 16:45:32,095 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 53 transitions. [2022-10-17 16:45:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:45:32,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:32,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:32,311 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:45:32,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:32,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 27 states and 59 transitions. [2022-10-17 16:45:32,854 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 59 transitions. [2022-10-17 16:45:32,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:45:32,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:32,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:32,916 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:45:33,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:33,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 30 states and 67 transitions. [2022-10-17 16:45:33,804 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 67 transitions. [2022-10-17 16:45:33,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:45:33,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:33,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:34,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:34,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 34 states and 76 transitions. [2022-10-17 16:45:34,770 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 76 transitions. [2022-10-17 16:45:34,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:45:34,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:34,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:35,008 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:36,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 39 states and 90 transitions. [2022-10-17 16:45:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 90 transitions. [2022-10-17 16:45:36,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:45:36,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:36,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:36,637 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:45:36,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:36,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 90 transitions. [2022-10-17 16:45:36,952 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 90 transitions. [2022-10-17 16:45:36,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:45:36,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:36,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:37,170 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:38,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:38,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 43 states and 93 transitions. [2022-10-17 16:45:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 93 transitions. [2022-10-17 16:45:38,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:45:38,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:38,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:39,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:39,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 46 states and 99 transitions. [2022-10-17 16:45:39,148 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 99 transitions. [2022-10-17 16:45:39,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:45:39,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:39,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:39,466 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:40,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:40,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 50 states and 112 transitions. [2022-10-17 16:45:40,804 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 112 transitions. [2022-10-17 16:45:40,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:45:40,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:40,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:41,274 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 59 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:45:42,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:42,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 51 states and 114 transitions. [2022-10-17 16:45:42,295 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 114 transitions. [2022-10-17 16:45:42,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:45:42,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:42,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:42,408 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-10-17 16:45:42,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 29 states and 61 transitions. [2022-10-17 16:45:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 61 transitions. [2022-10-17 16:45:42,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:45:42,616 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-10-17 16:45:42,623 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:45:42,826 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2022-10-17 16:45:42,837 INFO L560 CodeCheckObserver]: Invariant with dag size 30 [2022-10-17 16:45:42,839 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:42,840 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-10-17 16:45:42,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:45:42 ImpRootNode [2022-10-17 16:45:42,841 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:45:42,841 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:45:42,841 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:45:42,841 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:45:42,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:28" (3/4) ... [2022-10-17 16:45:42,845 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:45:42,854 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-10-17 16:45:42,854 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:45:42,854 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:45:42,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:45:42,896 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:45:42,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:45:42,898 INFO L158 Benchmark]: Toolchain (without parser) took 15826.76ms. Allocated memory was 86.0MB in the beginning and 218.1MB in the end (delta: 132.1MB). Free memory was 46.4MB in the beginning and 131.6MB in the end (delta: -85.2MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2022-10-17 16:45:42,898 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 86.0MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:45:42,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.60ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 46.2MB in the beginning and 99.5MB in the end (delta: -53.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2022-10-17 16:45:42,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.73ms. Allocated memory is still 123.7MB. Free memory was 99.5MB in the beginning and 97.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:45:42,901 INFO L158 Benchmark]: Boogie Preprocessor took 52.55ms. Allocated memory is still 123.7MB. Free memory was 97.9MB in the beginning and 96.9MB in the end (delta: 965.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:45:42,901 INFO L158 Benchmark]: RCFGBuilder took 471.58ms. Allocated memory is still 123.7MB. Free memory was 96.7MB in the beginning and 85.3MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:45:42,902 INFO L158 Benchmark]: CodeCheck took 14828.23ms. Allocated memory was 123.7MB in the beginning and 218.1MB in the end (delta: 94.4MB). Free memory was 85.3MB in the beginning and 133.7MB in the end (delta: -48.4MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-10-17 16:45:42,903 INFO L158 Benchmark]: Witness Printer took 55.77ms. Allocated memory is still 218.1MB. Free memory was 133.7MB in the beginning and 131.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:45:42,907 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, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.5s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 673 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 474 mSDsluCounter, 144 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 855 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3577 IncrementalHoareTripleChecker+Invalid, 4432 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 855 mSolverCounterUnsat, 112 mSDtfsCounter, 3577 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3183 GetRequests, 2927 SyntacticMatches, 42 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18726 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 929 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 169/366 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: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (1 <= i && 1 <= l) || ((1 <= i && n + 1 <= k + l) && !(3 + i <= k + l)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((1 <= i && n + 1 <= k + l) && !(k == 1 && i <= l + 1)) && !(2 + i <= k + l)) || ((1 <= i && n <= i) && 2 + i <= k + l)) || (((1 <= i && n + 1 <= k + l) && !(n <= i)) && !(3 + i <= k + l))) || (1 <= i && 1 <= l) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 <= l || 2 + n <= k + l * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 86.0MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.60ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 46.2MB in the beginning and 99.5MB in the end (delta: -53.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.73ms. Allocated memory is still 123.7MB. Free memory was 99.5MB in the beginning and 97.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.55ms. Allocated memory is still 123.7MB. Free memory was 97.9MB in the beginning and 96.9MB in the end (delta: 965.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.58ms. Allocated memory is still 123.7MB. Free memory was 96.7MB in the beginning and 85.3MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 14828.23ms. Allocated memory was 123.7MB in the beginning and 218.1MB in the end (delta: 94.4MB). Free memory was 85.3MB in the beginning and 133.7MB in the end (delta: -48.4MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Witness Printer took 55.77ms. Allocated memory is still 218.1MB. Free memory was 133.7MB in the beginning and 131.6MB 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! [2022-10-17 16:45:42,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb9e8a1-d6de-4ba4-b828-111b5323d7ea/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE