./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9134137c-ed26-4316-8a4f-cbcf4065a015/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9134137c-ed26-4316-8a4f-cbcf4065a015/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_9134137c-ed26-4316-8a4f-cbcf4065a015/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9134137c-ed26-4316-8a4f-cbcf4065a015/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9134137c-ed26-4316-8a4f-cbcf4065a015/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_9134137c-ed26-4316-8a4f-cbcf4065a015/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 dbf8943cb9f9a3b213e9817cc53efcf4d89e0e525f47b2351825c8c29bc65e71 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:29:19,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:29:19,905 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9134137c-ed26-4316-8a4f-cbcf4065a015/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:29:19,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:29:19,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:29:19,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:29:19,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:29:19,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:29:19,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:29:19,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:29:19,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:29:19,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:29:19,940 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:29:19,940 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:29:19,941 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:29:19,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:29:19,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:29:19,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:29:19,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:29:19,943 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:29:19,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:29:19,949 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:29:19,949 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:29:19,950 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:29:19,950 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:29:19,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:29:19,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:29:19,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:29:19,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:29:19,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:29:19,952 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:29:19,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:29:19,953 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:29:19,953 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_9134137c-ed26-4316-8a4f-cbcf4065a015/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9134137c-ed26-4316-8a4f-cbcf4065a015/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf8943cb9f9a3b213e9817cc53efcf4d89e0e525f47b2351825c8c29bc65e71 [2023-12-03 01:29:20,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:29:20,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:29:20,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:29:20,205 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:29:20,205 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:29:20,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9134137c-ed26-4316-8a4f-cbcf4065a015/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c [2023-12-03 01:29:22,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:29:23,132 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:29:23,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9134137c-ed26-4316-8a4f-cbcf4065a015/sv-benchmarks/c/loop-industry-pattern/ofuf_5.c [2023-12-03 01:29:23,141 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9134137c-ed26-4316-8a4f-cbcf4065a015/bin/ukojak-verify-Qdu7aM0XO9/data/90f7e1b46/af7adbc834db4e9280af919bc83509d8/FLAG1b13046f7 [2023-12-03 01:29:23,153 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9134137c-ed26-4316-8a4f-cbcf4065a015/bin/ukojak-verify-Qdu7aM0XO9/data/90f7e1b46/af7adbc834db4e9280af919bc83509d8 [2023-12-03 01:29:23,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:29:23,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:29:23,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:29:23,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:29:23,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:29:23,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:29:23" (1/1) ... [2023-12-03 01:29:23,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e7d175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:23, skipping insertion in model container [2023-12-03 01:29:23,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:29:23" (1/1) ... [2023-12-03 01:29:23,204 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:29:23,412 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_9134137c-ed26-4316-8a4f-cbcf4065a015/sv-benchmarks/c/loop-industry-pattern/ofuf_5.c[11314,11327] [2023-12-03 01:29:23,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:29:23,428 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:29:23,497 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_9134137c-ed26-4316-8a4f-cbcf4065a015/sv-benchmarks/c/loop-industry-pattern/ofuf_5.c[11314,11327] [2023-12-03 01:29:23,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:29:23,512 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:29:23,520 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:29:23,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:23 WrapperNode [2023-12-03 01:29:23,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:29:23,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:29:23,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:29:23,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:29:23,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:23" (1/1) ... [2023-12-03 01:29:23,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:23" (1/1) ... [2023-12-03 01:29:23,583 INFO L138 Inliner]: procedures = 29, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 454 [2023-12-03 01:29:23,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:29:23,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:29:23,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:29:23,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:29:23,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:23" (1/1) ... [2023-12-03 01:29:23,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:23" (1/1) ... [2023-12-03 01:29:23,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:23" (1/1) ... [2023-12-03 01:29:23,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:23" (1/1) ... [2023-12-03 01:29:23,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:23" (1/1) ... [2023-12-03 01:29:23,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:23" (1/1) ... [2023-12-03 01:29:23,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:23" (1/1) ... [2023-12-03 01:29:23,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:23" (1/1) ... [2023-12-03 01:29:23,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:29:23,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:29:23,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:29:23,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:29:23,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:29:23" (1/1) ... [2023-12-03 01:29:23,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:29:23,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9134137c-ed26-4316-8a4f-cbcf4065a015/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:29:23,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9134137c-ed26-4316-8a4f-cbcf4065a015/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:29:23,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9134137c-ed26-4316-8a4f-cbcf4065a015/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:29:23,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 01:29:23,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:29:23,715 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2023-12-03 01:29:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2023-12-03 01:29:23,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:29:23,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:29:23,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:29:23,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:29:23,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:29:23,716 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-12-03 01:29:23,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:29:23,716 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2023-12-03 01:29:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2023-12-03 01:29:23,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:29:23,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:29:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:29:23,717 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2023-12-03 01:29:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2023-12-03 01:29:23,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:29:23,862 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:29:23,864 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:29:24,373 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:29:24,566 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:29:24,566 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-12-03 01:29:24,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:29:24 BoogieIcfgContainer [2023-12-03 01:29:24,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:29:24,569 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:29:24,569 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:29:24,579 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:29:24,579 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:29:24" (1/1) ... [2023-12-03 01:29:24,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:29:24,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:24,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 61 states and 92 transitions. [2023-12-03 01:29:24,647 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 92 transitions. [2023-12-03 01:29:24,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:29:24,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:24,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:29:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:25,076 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 01:29:25,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:25,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 59 states and 89 transitions. [2023-12-03 01:29:25,130 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2023-12-03 01:29:25,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:29:25,131 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-03 01:29:25,140 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 01:29:25,183 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:29:25,187 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:29:25,187 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:29:25,187 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:29:25,188 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:29:25,188 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:29:25,188 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:29:25,188 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:29:25,188 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:29:25,188 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:29:25,188 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:29:25,188 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:29:25,189 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:29:25,189 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:29:25,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:29:25 ImpRootNode [2023-12-03 01:29:25,189 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:29:25,190 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:29:25,190 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:29:25,190 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:29:25,191 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:29:24" (3/4) ... [2023-12-03 01:29:25,192 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:29:25,196 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2023-12-03 01:29:25,196 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2023-12-03 01:29:25,196 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2023-12-03 01:29:25,207 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 89 nodes and edges [2023-12-03 01:29:25,208 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-12-03 01:29:25,210 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-03 01:29:25,211 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 01:29:25,212 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:29:25,213 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:29:25,358 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9134137c-ed26-4316-8a4f-cbcf4065a015/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:29:25,359 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9134137c-ed26-4316-8a4f-cbcf4065a015/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:29:25,359 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:29:25,360 INFO L158 Benchmark]: Toolchain (without parser) took 2203.77ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 86.3MB in the beginning and 104.5MB in the end (delta: -18.1MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-12-03 01:29:25,360 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:29:25,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.21ms. Allocated memory is still 132.1MB. Free memory was 85.9MB in the beginning and 68.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 01:29:25,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.10ms. Allocated memory is still 132.1MB. Free memory was 68.0MB in the beginning and 64.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:29:25,361 INFO L158 Benchmark]: Boogie Preprocessor took 58.99ms. Allocated memory is still 132.1MB. Free memory was 64.4MB in the beginning and 60.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:29:25,362 INFO L158 Benchmark]: RCFGBuilder took 924.13ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 60.7MB in the beginning and 94.2MB in the end (delta: -33.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-03 01:29:25,362 INFO L158 Benchmark]: CodeCheck took 620.21ms. Allocated memory is still 176.2MB. Free memory was 94.2MB in the beginning and 115.9MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:29:25,363 INFO L158 Benchmark]: Witness Printer took 169.24ms. Allocated memory is still 176.2MB. Free memory was 115.9MB in the beginning and 104.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:29:25,365 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 4 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 33 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 463]: 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: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.21ms. Allocated memory is still 132.1MB. Free memory was 85.9MB in the beginning and 68.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.10ms. Allocated memory is still 132.1MB. Free memory was 68.0MB in the beginning and 64.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.99ms. Allocated memory is still 132.1MB. Free memory was 64.4MB in the beginning and 60.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 924.13ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 60.7MB in the beginning and 94.2MB in the end (delta: -33.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 620.21ms. Allocated memory is still 176.2MB. Free memory was 94.2MB in the beginning and 115.9MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 169.24ms. Allocated memory is still 176.2MB. Free memory was 115.9MB in the beginning and 104.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 01:29:25,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9134137c-ed26-4316-8a4f-cbcf4065a015/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