./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test23-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test23-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ --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 6107b0424f9f7d96b4a493f3ee8e42c81c6509c50d1ec834cc7d1fa0b8a2c5d3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:57:12,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:57:12,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:57:12,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:57:12,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:57:12,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:57:12,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:57:12,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:57:12,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:57:12,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:57:12,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:57:12,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:57:12,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:57:12,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:57:12,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:57:12,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:57:12,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:57:12,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:57:12,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:57:12,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:57:12,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:57:12,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:57:12,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:57:12,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:57:12,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:57:12,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:57:12,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:57:12,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:57:12,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:57:12,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:57:12,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:57:12,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:57:12,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:57:12,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:57:12,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:57:12,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:57:12,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:57:12,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:57:12,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:57:12,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:57:12,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:57:12,632 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:57:12,656 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:57:12,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:57:12,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:57:12,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:57:12,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:57:12,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:57:12,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:57:12,660 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:57:12,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:57:12,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:57:12,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:57:12,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:57:12,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:57:12,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:57:12,663 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:57:12,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:57:12,664 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:57:12,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:57:12,665 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:57:12,665 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:57:12,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:57:12,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:57:12,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:57:12,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:57:12,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:57:12,667 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:57:12,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:57:12,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:57:12,668 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_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6107b0424f9f7d96b4a493f3ee8e42c81c6509c50d1ec834cc7d1fa0b8a2c5d3 [2021-11-23 00:57:12,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:57:13,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:57:13,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:57:13,019 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:57:13,023 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:57:13,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-regression/test23-2.c [2021-11-23 00:57:13,104 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ/data/8d9f2825f/bd29c704371b4bf7a99913f0e2e5ceeb/FLAGa73fe9610 [2021-11-23 00:57:13,697 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:57:13,698 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/sv-benchmarks/c/ldv-regression/test23-2.c [2021-11-23 00:57:13,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ/data/8d9f2825f/bd29c704371b4bf7a99913f0e2e5ceeb/FLAGa73fe9610 [2021-11-23 00:57:14,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ/data/8d9f2825f/bd29c704371b4bf7a99913f0e2e5ceeb [2021-11-23 00:57:14,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:57:14,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:57:14,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:57:14,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:57:14,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:57:14,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:57:14" (1/1) ... [2021-11-23 00:57:14,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f97fc79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:14, skipping insertion in model container [2021-11-23 00:57:14,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:57:14" (1/1) ... [2021-11-23 00:57:14,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:57:14,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:57:14,322 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_0384b506-3862-412a-9aa3-d16cfeeb3847/sv-benchmarks/c/ldv-regression/test23-2.c[1070,1083] [2021-11-23 00:57:14,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:57:14,352 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:57:14,384 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_0384b506-3862-412a-9aa3-d16cfeeb3847/sv-benchmarks/c/ldv-regression/test23-2.c[1070,1083] [2021-11-23 00:57:14,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:57:14,395 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:57:14,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:14 WrapperNode [2021-11-23 00:57:14,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:57:14,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:57:14,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:57:14,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:57:14,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:14" (1/1) ... [2021-11-23 00:57:14,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:14" (1/1) ... [2021-11-23 00:57:14,445 INFO L137 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2021-11-23 00:57:14,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:57:14,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:57:14,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:57:14,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:57:14,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:14" (1/1) ... [2021-11-23 00:57:14,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:14" (1/1) ... [2021-11-23 00:57:14,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:14" (1/1) ... [2021-11-23 00:57:14,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:14" (1/1) ... [2021-11-23 00:57:14,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:14" (1/1) ... [2021-11-23 00:57:14,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:14" (1/1) ... [2021-11-23 00:57:14,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:14" (1/1) ... [2021-11-23 00:57:14,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:57:14,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:57:14,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:57:14,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:57:14,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:14" (1/1) ... [2021-11-23 00:57:14,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:57:14,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:57:14,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:57:14,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:57:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:57:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:57:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:57:14,585 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2021-11-23 00:57:14,586 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2021-11-23 00:57:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:57:14,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:57:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:57:14,690 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:57:14,692 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:57:14,841 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:57:14,900 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:57:14,900 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:57:14,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:14 BoogieIcfgContainer [2021-11-23 00:57:14,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:57:14,904 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:57:14,904 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:57:14,913 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:57:14,914 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:14" (1/1) ... [2021-11-23 00:57:14,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:57:14,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:14,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-23 00:57:14,980 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-23 00:57:14,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:57:14,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:14,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:15,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:15,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:15,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2021-11-23 00:57:15,268 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-11-23 00:57:15,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:57:15,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:15,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:15,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:15,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2021-11-23 00:57:15,468 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-11-23 00:57:15,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:57:15,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:15,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:15,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:15,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2021-11-23 00:57:15,831 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2021-11-23 00:57:15,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:57:15,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:15,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:16,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:16,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2021-11-23 00:57:16,264 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2021-11-23 00:57:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:57:16,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:16,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:16,456 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:16,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2021-11-23 00:57:16,675 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2021-11-23 00:57:16,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:57:16,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:16,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:17,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2021-11-23 00:57:17,118 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2021-11-23 00:57:17,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:57:17,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:17,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:17,235 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:17,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:17,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2021-11-23 00:57:17,489 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2021-11-23 00:57:17,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:57:17,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:17,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:17,696 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:17,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:17,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2021-11-23 00:57:17,983 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2021-11-23 00:57:17,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:57:17,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:17,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:18,122 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:18,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:18,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2021-11-23 00:57:18,416 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2021-11-23 00:57:18,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:57:18,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:18,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:18,601 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:18,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:18,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2021-11-23 00:57:18,909 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2021-11-23 00:57:18,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:57:18,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:18,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:19,009 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:19,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:19,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2021-11-23 00:57:19,307 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2021-11-23 00:57:19,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:57:19,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:19,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:20,767 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:26,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 61 states and 72 transitions. [2021-11-23 00:57:26,038 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2021-11-23 00:57:26,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:57:26,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:26,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:26,548 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:27,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:27,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 63 states and 76 transitions. [2021-11-23 00:57:27,392 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2021-11-23 00:57:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:57:27,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:27,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:27,721 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:28,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:28,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2021-11-23 00:57:28,365 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2021-11-23 00:57:28,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:57:28,365 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2021-11-23 00:57:28,373 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:57:28,566 INFO L560 CodeCheckObserver]: Invariant with dag size 106 [2021-11-23 00:57:28,592 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 00:57:28,593 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:28,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:57:28 ImpRootNode [2021-11-23 00:57:28,594 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:57:28,594 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:57:28,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:57:28,595 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:57:28,595 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:14" (3/4) ... [2021-11-23 00:57:28,598 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:57:28,603 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dummy [2021-11-23 00:57:28,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-11-23 00:57:28,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 00:57:28,609 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 00:57:28,609 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:57:28,673 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:57:28,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:57:28,674 INFO L158 Benchmark]: Toolchain (without parser) took 14602.28ms. Allocated memory was 104.9MB in the beginning and 182.5MB in the end (delta: 77.6MB). Free memory was 62.3MB in the beginning and 144.4MB in the end (delta: -82.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:57:28,675 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:57:28,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.99ms. Allocated memory is still 104.9MB. Free memory was 62.1MB in the beginning and 77.9MB in the end (delta: -15.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:57:28,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.94ms. Allocated memory is still 104.9MB. Free memory was 77.9MB in the beginning and 76.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:57:28,677 INFO L158 Benchmark]: Boogie Preprocessor took 50.39ms. Allocated memory is still 104.9MB. Free memory was 76.2MB in the beginning and 74.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:57:28,677 INFO L158 Benchmark]: RCFGBuilder took 404.88ms. Allocated memory is still 104.9MB. Free memory was 74.9MB in the beginning and 62.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:57:28,678 INFO L158 Benchmark]: CodeCheck took 13690.04ms. Allocated memory was 104.9MB in the beginning and 182.5MB in the end (delta: 77.6MB). Free memory was 62.3MB in the beginning and 147.6MB in the end (delta: -85.3MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. [2021-11-23 00:57:28,679 INFO L158 Benchmark]: Witness Printer took 79.31ms. Allocated memory is still 182.5MB. Free memory was 147.6MB in the beginning and 144.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:57:28,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.4s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 657 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 209 mSDsluCounter, 196 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 421 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1300 IncrementalHoareTripleChecker+Invalid, 1721 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 421 mSolverCounterUnsat, 196 mSDtfsCounter, 1300 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2467 GetRequests, 2107 SyntacticMatches, 150 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25310 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 363 NumberOfCodeBlocks, 363 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 2443 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 234/732 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: 52]: 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: 42]: Loop Invariant Derived loop invariant: (((((((((((((4 * i + 48 + pd2 <= pa && pa <= 4 * i + 48 + pd2) && i + 10 <= unknown-#memory_int-unknown[pa][pa]) && unknown-#memory_int-unknown[pa][pa] <= i + 10) && pa == pd2) || ((((unknown-#memory_int-unknown[pa][pa] < 6 + i && 5 + i <= unknown-#memory_int-unknown[pa][pa]) && 4 * i + 28 + pd2 <= pa) && pa == pd2) && pa <= 4 * i + 28 + pd2)) || ((((unknown-#memory_int-unknown[pa][pa] < 3 + i && 4 * i + 16 + pd2 <= pa) && 2 + i <= unknown-#memory_int-unknown[pa][pa]) && pa == pd2) && pa <= 4 * i + 16 + pd2)) || (((i == unknown-#memory_int-unknown[pa][pa] && pa <= 4 * i + 8 + pd2) && pa == pd2) && 4 * i + 8 + pd2 <= pa)) || ((((pa <= 44 + 4 * i + pd2 && 9 + i <= unknown-#memory_int-unknown[pa][pa]) && 44 + 4 * i + pd2 <= pa) && unknown-#memory_int-unknown[pa][pa] <= 9 + i) && pa == pd2)) || ((((4 * i + 20 + pd2 <= pa && pa <= 4 * i + 20 + pd2) && 3 + i <= unknown-#memory_int-unknown[pa][pa]) && unknown-#memory_int-unknown[pa][pa] < i + 4) && pa == pd2)) || ((((7 + i <= unknown-#memory_int-unknown[pa][pa] && 4 * i + 36 + pd2 <= pa) && pa == pd2) && pa <= 4 * i + 36 + pd2) && unknown-#memory_int-unknown[pa][pa] < i + 8)) || ((((i + 4 <= unknown-#memory_int-unknown[pa][pa] && 4 * i + pd2 + 24 <= pa) && unknown-#memory_int-unknown[pa][pa] < 5 + i) && pa == pd2) && pa <= 4 * i + pd2 + 24)) || ((((pa <= 32 + 4 * i + pd2 && unknown-#memory_int-unknown[pa][pa] < 7 + i) && 6 + i <= unknown-#memory_int-unknown[pa][pa]) && 32 + 4 * i + pd2 <= pa) && pa == pd2)) || ((((pa <= 4 * i + 12 + pd2 && unknown-#memory_int-unknown[pa][pa] < 2 + i) && i + 1 <= unknown-#memory_int-unknown[pa][pa]) && 4 * i + 12 + pd2 <= pa) && pa == pd2)) || ((((i + 8 <= unknown-#memory_int-unknown[pa][pa] && 40 + 4 * i + pd2 <= pa) && pa <= 40 + 4 * i + pd2) && unknown-#memory_int-unknown[pa][pa] < 9 + i) && pa == pd2) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: i == unknown-#memory_int-unknown[pd2][8 + i * 4 + pd2] - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.99ms. Allocated memory is still 104.9MB. Free memory was 62.1MB in the beginning and 77.9MB in the end (delta: -15.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.94ms. Allocated memory is still 104.9MB. Free memory was 77.9MB in the beginning and 76.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.39ms. Allocated memory is still 104.9MB. Free memory was 76.2MB in the beginning and 74.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.88ms. Allocated memory is still 104.9MB. Free memory was 74.9MB in the beginning and 62.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 13690.04ms. Allocated memory was 104.9MB in the beginning and 182.5MB in the end (delta: 77.6MB). Free memory was 62.3MB in the beginning and 147.6MB in the end (delta: -85.3MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. * Witness Printer took 79.31ms. Allocated memory is still 182.5MB. Free memory was 147.6MB in the beginning and 144.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:57:28,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0384b506-3862-412a-9aa3-d16cfeeb3847/bin/ukojak-LBtLqBUTdQ/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