./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 3d10641017a78060218b50f4d70d792898ed2d8ba6a3470f582f96f045a08878 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:09:18,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:09:18,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:09:18,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:09:18,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:09:18,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:09:18,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:09:18,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:09:18,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:09:18,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:09:18,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:09:18,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:09:18,670 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:09:18,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:09:18,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:09:18,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:09:18,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:09:18,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:09:18,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:09:18,674 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:09:18,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:09:18,675 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:09:18,675 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:09:18,675 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:09:18,676 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:09:18,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:09:18,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:09:18,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:09:18,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:09:18,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:09:18,679 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:09:18,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:09:18,680 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:09:18,680 INFO L153 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_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d10641017a78060218b50f4d70d792898ed2d8ba6a3470f582f96f045a08878 [2023-12-03 01:09:18,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:09:18,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:09:18,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:09:18,940 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:09:18,940 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:09:18,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_1.c [2023-12-03 01:09:21,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:09:21,850 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:09:21,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_1.c [2023-12-03 01:09:21,858 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9/data/30716a3bd/40aaa7e81b60413a9ec81bbffb6f06b2/FLAGe88409d02 [2023-12-03 01:09:21,873 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9/data/30716a3bd/40aaa7e81b60413a9ec81bbffb6f06b2 [2023-12-03 01:09:21,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:09:21,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:09:21,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:09:21,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:09:21,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:09:21,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:09:21" (1/1) ... [2023-12-03 01:09:21,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35da64a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:21, skipping insertion in model container [2023-12-03 01:09:21,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:09:21" (1/1) ... [2023-12-03 01:09:21,905 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:09:22,023 WARN L240 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_44fb660c-484c-48e2-9e92-1a77b4c0913e/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_1.c[1113,1126] [2023-12-03 01:09:22,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:09:22,045 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:09:22,054 WARN L240 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_44fb660c-484c-48e2-9e92-1a77b4c0913e/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_1.c[1113,1126] [2023-12-03 01:09:22,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:09:22,071 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:09:22,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:22 WrapperNode [2023-12-03 01:09:22,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:09:22,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:09:22,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:09:22,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:09:22,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:22" (1/1) ... [2023-12-03 01:09:22,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:22" (1/1) ... [2023-12-03 01:09:22,101 INFO L138 Inliner]: procedures = 14, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2023-12-03 01:09:22,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:09:22,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:09:22,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:09:22,103 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:09:22,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:22" (1/1) ... [2023-12-03 01:09:22,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:22" (1/1) ... [2023-12-03 01:09:22,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:22" (1/1) ... [2023-12-03 01:09:22,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:22" (1/1) ... [2023-12-03 01:09:22,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:22" (1/1) ... [2023-12-03 01:09:22,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:22" (1/1) ... [2023-12-03 01:09:22,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:22" (1/1) ... [2023-12-03 01:09:22,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:22" (1/1) ... [2023-12-03 01:09:22,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:09:22,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:09:22,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:09:22,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:09:22,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:22" (1/1) ... [2023-12-03 01:09:22,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:09:22,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:09:22,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:09:22,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:09:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:09:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:09:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:09:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:09:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:09:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:09:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:09:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_25_0 [2023-12-03 01:09:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_25_0 [2023-12-03 01:09:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:09:22,251 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:09:22,253 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:09:22,390 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:09:22,416 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:09:22,416 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:09:22,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:09:22 BoogieIcfgContainer [2023-12-03 01:09:22,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:09:22,419 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:09:22,419 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:09:22,427 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:09:22,427 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:09:22" (1/1) ... [2023-12-03 01:09:22,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:09:22,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:22,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-12-03 01:09:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-12-03 01:09:22,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:09:22,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:22,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:23,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:23,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:23,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 19 transitions. [2023-12-03 01:09:23,676 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-12-03 01:09:23,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:09:23,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:23,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:24,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:25,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:25,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 27 transitions. [2023-12-03 01:09:25,514 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-12-03 01:09:25,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:09:25,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:25,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:09:28,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:28,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 24 transitions. [2023-12-03 01:09:28,473 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-12-03 01:09:28,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:09:28,474 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-12-03 01:09:28,482 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 01:09:28,726 INFO L560 CodeCheckObserver]: Invariant with dag size 29 [2023-12-03 01:09:28,730 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~k [2023-12-03 01:09:28,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~k!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 01:09:28,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i [2023-12-03 01:09:28,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~i!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 01:09:28,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~j [2023-12-03 01:09:28,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~j!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 01:09:28,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i [2023-12-03 01:09:28,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~i!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 01:09:28,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~j!base][~j!offset] could not be translated [2023-12-03 01:09:28,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated [2023-12-03 01:09:28,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~j!base][~j!offset] could not be translated [2023-12-03 01:09:28,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated [2023-12-03 01:09:28,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~k!base][~k!offset] could not be translated [2023-12-03 01:09:28,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~k!base][~k!offset] could not be translated [2023-12-03 01:09:28,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~j [2023-12-03 01:09:28,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~j!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 01:09:28,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~k [2023-12-03 01:09:28,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~k!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 01:09:28,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:09:28 ImpRootNode [2023-12-03 01:09:28,739 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:09:28,740 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:09:28,740 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:09:28,740 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:09:28,740 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:09:22" (3/4) ... [2023-12-03 01:09:28,742 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:09:28,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_20_to_25_0 [2023-12-03 01:09:28,750 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-03 01:09:28,750 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-03 01:09:28,751 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 01:09:28,751 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:09:28,827 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:09:28,827 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:09:28,827 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:09:28,828 INFO L158 Benchmark]: Toolchain (without parser) took 6951.15ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 113.9MB in the beginning and 127.1MB in the end (delta: -13.2MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2023-12-03 01:09:28,829 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:09:28,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.32ms. Allocated memory is still 146.8MB. Free memory was 113.9MB in the beginning and 103.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:09:28,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.40ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 101.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:09:28,830 INFO L158 Benchmark]: Boogie Preprocessor took 18.59ms. Allocated memory is still 146.8MB. Free memory was 101.8MB in the beginning and 100.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:09:28,831 INFO L158 Benchmark]: RCFGBuilder took 296.24ms. Allocated memory is still 146.8MB. Free memory was 100.8MB in the beginning and 88.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:09:28,831 INFO L158 Benchmark]: CodeCheck took 6320.42ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 88.7MB in the beginning and 131.3MB in the end (delta: -42.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-12-03 01:09:28,831 INFO L158 Benchmark]: Witness Printer took 87.90ms. Allocated memory is still 211.8MB. Free memory was 131.3MB in the beginning and 127.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:09:28,834 INFO L338 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 37 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 279 GetRequests, 231 SyntacticMatches, 14 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 1125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 5/14 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: 26]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.32ms. Allocated memory is still 146.8MB. Free memory was 113.9MB in the beginning and 103.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.40ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 101.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.59ms. Allocated memory is still 146.8MB. Free memory was 101.8MB in the beginning and 100.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.24ms. Allocated memory is still 146.8MB. Free memory was 100.8MB in the beginning and 88.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 6320.42ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 88.7MB in the beginning and 131.3MB in the end (delta: -42.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Witness Printer took 87.90ms. Allocated memory is still 211.8MB. Free memory was 131.3MB in the beginning and 127.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~k - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~k!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~i!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~j - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~j!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~i!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~j!base][~j!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~j!base][~j!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~i!base][~i!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~k!base][~k!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~k!base][~k!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~j - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~j!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~k - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~k!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression RESULT: Ultimate proved your program to be correct! [2023-12-03 01:09:28,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fb660c-484c-48e2-9e92-1a77b4c0913e/bin/ukojak-verify-Qdu7aM0XO9/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