./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i --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_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/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_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/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_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/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 2b49dec271465b2754e36573ebd59f8c437d77cb6b6af58205c53363f2448e6a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:48:06,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:48:06,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:48:06,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:48:06,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:48:06,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:48:06,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:48:06,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:48:06,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:48:06,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:48:06,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:48:06,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:48:06,846 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:48:06,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:48:06,847 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:48:06,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:48:06,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:48:06,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:48:06,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:48:06,849 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:48:06,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:48:06,850 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:48:06,851 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:48:06,851 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:48:06,852 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:48:06,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:48:06,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:06,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:48:06,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:48:06,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:48:06,854 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:48:06,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:48:06,855 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:48:06,855 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_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b49dec271465b2754e36573ebd59f8c437d77cb6b6af58205c53363f2448e6a [2023-12-02 23:48:07,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:48:07,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:48:07,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:48:07,116 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:48:07,117 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:48:07,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i [2023-12-02 23:48:09,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:48:10,037 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:48:10,037 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i [2023-12-02 23:48:10,044 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/data/9f81a4b2f/b36e456c944749d5b597ad6ade29f1a8/FLAG3a4d9b655 [2023-12-02 23:48:10,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/data/9f81a4b2f/b36e456c944749d5b597ad6ade29f1a8 [2023-12-02 23:48:10,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:48:10,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:48:10,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:10,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:48:10,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:48:10,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:10" (1/1) ... [2023-12-02 23:48:10,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a61d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:10, skipping insertion in model container [2023-12-02 23:48:10,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:10" (1/1) ... [2023-12-02 23:48:10,095 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:48:10,239 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_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i[915,928] [2023-12-02 23:48:10,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:10,292 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:48:10,304 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_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i[915,928] [2023-12-02 23:48:10,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:10,340 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:48:10,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:10 WrapperNode [2023-12-02 23:48:10,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:10,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:10,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:48:10,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:48:10,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:10" (1/1) ... [2023-12-02 23:48:10,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:10" (1/1) ... [2023-12-02 23:48:10,395 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2023-12-02 23:48:10,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:10,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:48:10,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:48:10,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:48:10,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:10" (1/1) ... [2023-12-02 23:48:10,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:10" (1/1) ... [2023-12-02 23:48:10,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:10" (1/1) ... [2023-12-02 23:48:10,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:10" (1/1) ... [2023-12-02 23:48:10,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:10" (1/1) ... [2023-12-02 23:48:10,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:10" (1/1) ... [2023-12-02 23:48:10,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:10" (1/1) ... [2023-12-02 23:48:10,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:10" (1/1) ... [2023-12-02 23:48:10,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:48:10,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:48:10,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:48:10,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:48:10,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:10" (1/1) ... [2023-12-02 23:48:10,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:10,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:48:10,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:48:10,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:48:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:48:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:48:10,506 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:48:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:48:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:48:10,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:48:10,591 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:48:10,593 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:48:10,831 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:48:10,929 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:48:10,929 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:48:10,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:10 BoogieIcfgContainer [2023-12-02 23:48:10,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:48:10,932 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:48:10,932 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:48:10,943 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:48:10,943 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:10" (1/1) ... [2023-12-02 23:48:10,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:48:10,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:11,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2023-12-02 23:48:11,004 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2023-12-02 23:48:11,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:48:11,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:11,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:11,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:48:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:11,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:48:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:11,681 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:48:11,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:48:11 ImpRootNode [2023-12-02 23:48:11,744 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:48:11,745 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:48:11,745 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:48:11,746 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:48:11,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:10" (3/4) ... [2023-12-02 23:48:11,749 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:48:11,750 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:48:11,751 INFO L158 Benchmark]: Toolchain (without parser) took 1690.67ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 107.4MB in the beginning and 119.4MB in the end (delta: -12.0MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-12-02 23:48:11,752 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 148.9MB. Free memory is still 121.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:48:11,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.89ms. Allocated memory is still 148.9MB. Free memory was 107.4MB in the beginning and 94.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:48:11,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.75ms. Allocated memory is still 148.9MB. Free memory was 94.8MB in the beginning and 91.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:48:11,754 INFO L158 Benchmark]: Boogie Preprocessor took 33.39ms. Allocated memory is still 148.9MB. Free memory was 91.6MB in the beginning and 90.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:48:11,754 INFO L158 Benchmark]: RCFGBuilder took 500.94ms. Allocated memory is still 148.9MB. Free memory was 90.1MB in the beginning and 64.4MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 23:48:11,755 INFO L158 Benchmark]: CodeCheck took 812.41ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 64.4MB in the beginning and 119.4MB in the end (delta: -55.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:48:11,755 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 180.4MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:48:11,759 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, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -4; [L23] double var_1_2 = 255.6; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 0; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 8; [L29] double var_1_10 = 255.2; [L30] unsigned char var_1_11 = 64; [L31] unsigned char var_1_12 = 100; [L32] unsigned char var_1_13 = 32; [L33] unsigned char var_1_14 = 64; [L34] unsigned char var_1_15 = 0; [L96] isInitial = 1 [L97] FCALL initially() [L98] COND TRUE 1 [L99] FCALL updateLastVariables() [L100] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_double() [L61] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=8] [L62] var_1_6 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=8] [L64] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=8] [L65] var_1_7 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L67] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L68] var_1_8 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_9=8] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_9=8] [L70] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L71] var_1_10 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L73] var_1_11 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_11 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_11 >= 63) VAL [isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L75] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L76] var_1_12 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_12 >= 64) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=127, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_12 >= 64) VAL [isInitial=1, var_1_11=63, var_1_12=127, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L78] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=127, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_11=63, var_1_12=127, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L79] var_1_13 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=127, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_11=63, var_1_12=127, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L81] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=127, var_1_13=0, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, var_1_11=63, var_1_12=127, var_1_13=0, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L82] var_1_14 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=127, var_1_13=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_11=63, var_1_12=127, var_1_13=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L84] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=127, var_1_13=0, var_1_14=127, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, var_1_11=63, var_1_12=127, var_1_13=0, var_1_14=127, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L85] var_1_15 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=127, var_1_13=0, var_1_14=127, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_11=63, var_1_12=127, var_1_13=0, var_1_14=127, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L87] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=127, var_1_13=0, var_1_14=127, var_1_15=1, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, var_1_11=63, var_1_12=127, var_1_13=0, var_1_14=127, var_1_15=1, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=8] [L100] RET updateVariables() [L101] CALL step() [L38] COND TRUE (- var_1_2) <= var_1_10 [L39] var_1_9 = ((((((var_1_11 + var_1_12) - var_1_13)) < ((var_1_14 + var_1_15))) ? (((var_1_11 + var_1_12) - var_1_13)) : ((var_1_14 + var_1_15)))) [L43] COND TRUE var_1_2 < 63.75 [L44] var_1_1 = (10 - var_1_9) [L48] signed long int stepLocal_0 = (var_1_9 / -256) * 32; [L49] COND TRUE var_1_9 > stepLocal_0 [L50] COND TRUE \read(var_1_6) [L51] var_1_5 = (! (var_1_7 && (! var_1_8))) [L101] RET step() [L102] CALL, EXPR property() [L92-L93] return (((var_1_2 < 63.75) ? (var_1_1 == ((signed short int) (10 - var_1_9))) : (var_1_1 == ((signed short int) (4 + var_1_9)))) && ((var_1_9 > ((var_1_9 / -256) * 32)) ? (var_1_6 ? (var_1_5 == ((unsigned char) (! (var_1_7 && (! var_1_8))))) : (var_1_5 == ((unsigned char) var_1_7))) : (var_1_5 == ((unsigned char) var_1_7)))) && (((- var_1_2) <= var_1_10) ? (var_1_9 == ((unsigned char) ((((((var_1_11 + var_1_12) - var_1_13)) < ((var_1_14 + var_1_15))) ? (((var_1_11 + var_1_12) - var_1_13)) : ((var_1_14 + var_1_15)))))) : (var_1_9 == ((unsigned char) var_1_12))) ; [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=63, var_1_12=127, var_1_13=0, var_1_14=127, var_1_15=1, var_1_1=-118, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=128] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=63, var_1_12=127, var_1_13=0, var_1_14=127, var_1_15=1, var_1_1=-118, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=128] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 148.9MB. Free memory is still 121.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.89ms. Allocated memory is still 148.9MB. Free memory was 107.4MB in the beginning and 94.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.75ms. Allocated memory is still 148.9MB. Free memory was 94.8MB in the beginning and 91.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.39ms. Allocated memory is still 148.9MB. Free memory was 91.6MB in the beginning and 90.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 500.94ms. Allocated memory is still 148.9MB. Free memory was 90.1MB in the beginning and 64.4MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 812.41ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 64.4MB in the beginning and 119.4MB in the end (delta: -55.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 180.4MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:48:11,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/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_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/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 2b49dec271465b2754e36573ebd59f8c437d77cb6b6af58205c53363f2448e6a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:48:13,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:48:13,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:48:13,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:48:13,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:48:13,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:48:13,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:48:13,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:48:13,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:48:13,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:48:13,872 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:48:13,873 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:48:13,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:48:13,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:48:13,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:48:13,875 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:48:13,876 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:48:13,876 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:48:13,877 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:48:13,877 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:48:13,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:48:13,879 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:48:13,879 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:48:13,880 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:48:13,880 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:48:13,881 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:13,881 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:48:13,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:48:13,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:13,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:48:13,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:48:13,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:48:13,884 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:48:13,884 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:13,885 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:48:13,885 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:48:13,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:48:13,885 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b49dec271465b2754e36573ebd59f8c437d77cb6b6af58205c53363f2448e6a [2023-12-02 23:48:14,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:48:14,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:48:14,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:48:14,217 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:48:14,217 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:48:14,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i [2023-12-02 23:48:17,035 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:48:17,233 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:48:17,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i [2023-12-02 23:48:17,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/data/4ffd90948/ff766ded07d94e26abb97829e80010c5/FLAG085638dad [2023-12-02 23:48:17,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/data/4ffd90948/ff766ded07d94e26abb97829e80010c5 [2023-12-02 23:48:17,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:48:17,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:48:17,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:17,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:48:17,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:48:17,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12bd566d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17, skipping insertion in model container [2023-12-02 23:48:17,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,299 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:48:17,452 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_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i[915,928] [2023-12-02 23:48:17,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:17,513 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:48:17,524 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_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i[915,928] [2023-12-02 23:48:17,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:17,559 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:48:17,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17 WrapperNode [2023-12-02 23:48:17,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:17,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:17,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:48:17,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:48:17,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,604 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2023-12-02 23:48:17,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:17,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:48:17,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:48:17,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:48:17,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:48:17,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:48:17,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:48:17,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:48:17,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:17,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:48:17,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:48:17,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:48:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:48:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:48:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:48:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:48:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:48:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:48:17,781 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:48:17,784 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:48:18,021 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:48:18,105 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:48:18,105 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:48:18,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:18 BoogieIcfgContainer [2023-12-02 23:48:18,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:48:18,108 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:48:18,108 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:48:18,118 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:48:18,118 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:18" (1/1) ... [2023-12-02 23:48:18,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:48:18,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:18,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2023-12-02 23:48:18,185 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2023-12-02 23:48:18,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:48:18,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:18,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:18,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:18,219 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:18,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:48:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:18,640 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:18,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:48:18,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:06,143 WARN L293 SmtUtils]: Spent 14.41s on a formula simplification. DAG size of input: 577 DAG size of output: 354 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 23:56:23,984 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2023-12-02 23:56:23,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:56:24,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:24,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2023-12-02 23:56:24,080 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2023-12-02 23:56:24,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:56:24,082 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-02 23:56:24,090 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 23:56:24,112 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:56:24,114 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:56:24,115 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:56:24,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:56:24 ImpRootNode [2023-12-02 23:56:24,115 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:56:24,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:56:24,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:56:24,116 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:56:24,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:18" (3/4) ... [2023-12-02 23:56:24,119 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:56:24,122 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 23:56:24,128 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-12-02 23:56:24,128 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-02 23:56:24,129 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 23:56:24,129 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:56:24,235 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:56:24,235 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:56:24,236 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:56:24,236 INFO L158 Benchmark]: Toolchain (without parser) took 486974.75ms. Allocated memory was 92.3MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 69.3MB in the beginning and 758.0MB in the end (delta: -688.7MB). Peak memory consumption was 440.1MB. Max. memory is 16.1GB. [2023-12-02 23:56:24,237 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:56:24,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.26ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 56.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:56:24,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.82ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 54.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:56:24,238 INFO L158 Benchmark]: Boogie Preprocessor took 33.45ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 52.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:56:24,239 INFO L158 Benchmark]: RCFGBuilder took 467.25ms. Allocated memory is still 92.3MB. Free memory was 52.3MB in the beginning and 54.1MB in the end (delta: -1.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-12-02 23:56:24,239 INFO L158 Benchmark]: CodeCheck took 486007.28ms. Allocated memory was 92.3MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 54.1MB in the beginning and 764.2MB in the end (delta: -710.1MB). Peak memory consumption was 420.7MB. Max. memory is 16.1GB. [2023-12-02 23:56:24,240 INFO L158 Benchmark]: Witness Printer took 119.90ms. Allocated memory is still 1.2GB. Free memory was 764.2MB in the beginning and 758.0MB in the end (delta: 6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:56:24,242 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, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 485.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 47 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 378 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 4 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, 485.3s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 18 NumberOfNonLiveVariables, 154 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 290/306 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: 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: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.26ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 56.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.82ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 54.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.45ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 52.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.25ms. Allocated memory is still 92.3MB. Free memory was 52.3MB in the beginning and 54.1MB in the end (delta: -1.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * CodeCheck took 486007.28ms. Allocated memory was 92.3MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 54.1MB in the beginning and 764.2MB in the end (delta: -710.1MB). Peak memory consumption was 420.7MB. Max. memory is 16.1GB. * Witness Printer took 119.90ms. Allocated memory is still 1.2GB. Free memory was 764.2MB in the beginning and 758.0MB in the end (delta: 6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 23:56:24,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32aa4714-ac67-49b7-8f39-ca306ea3e1a5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE