./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i --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_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/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_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/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_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/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 641c4ed5eca7cff750ae4689f7589464820b46894765e20576aab7fa90d05e60 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:17:35,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:17:35,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:17:35,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:17:35,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:17:35,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:17:35,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:17:35,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:17:35,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:17:35,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:17:35,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:17:35,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:17:35,323 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:17:35,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:17:35,324 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:17:35,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:17:35,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:17:35,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:17:35,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:17:35,327 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:17:35,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:17:35,328 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:17:35,329 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:17:35,329 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:17:35,330 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:17:35,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:17:35,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:17:35,331 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:17:35,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:17:35,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:17:35,333 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:17:35,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:17:35,333 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:17:35,334 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_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 641c4ed5eca7cff750ae4689f7589464820b46894765e20576aab7fa90d05e60 [2023-12-02 22:17:35,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:17:35,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:17:35,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:17:35,577 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:17:35,577 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:17:35,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i [2023-12-02 22:17:38,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:17:38,557 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:17:38,557 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i [2023-12-02 22:17:38,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/data/780aee5c3/33fe58415870424e892a3e129218934f/FLAG19705a56e [2023-12-02 22:17:38,578 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/data/780aee5c3/33fe58415870424e892a3e129218934f [2023-12-02 22:17:38,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:17:38,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:17:38,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:17:38,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:17:38,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:17:38,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:38" (1/1) ... [2023-12-02 22:17:38,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579cd743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:38, skipping insertion in model container [2023-12-02 22:17:38,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:38" (1/1) ... [2023-12-02 22:17:38,608 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:17:38,735 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_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i[915,928] [2023-12-02 22:17:38,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:17:38,771 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:17:38,781 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_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i[915,928] [2023-12-02 22:17:38,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:17:38,808 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:17:38,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:38 WrapperNode [2023-12-02 22:17:38,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:17:38,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:17:38,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:17:38,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:17:38,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:38" (1/1) ... [2023-12-02 22:17:38,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:38" (1/1) ... [2023-12-02 22:17:38,846 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2023-12-02 22:17:38,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:17:38,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:17:38,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:17:38,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:17:38,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:38" (1/1) ... [2023-12-02 22:17:38,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:38" (1/1) ... [2023-12-02 22:17:38,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:38" (1/1) ... [2023-12-02 22:17:38,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:38" (1/1) ... [2023-12-02 22:17:38,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:38" (1/1) ... [2023-12-02 22:17:38,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:38" (1/1) ... [2023-12-02 22:17:38,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:38" (1/1) ... [2023-12-02 22:17:38,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:38" (1/1) ... [2023-12-02 22:17:38,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:17:38,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:17:38,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:17:38,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:17:38,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:38" (1/1) ... [2023-12-02 22:17:38,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:17:38,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:17:38,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:17:38,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:17:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:17:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:17:38,938 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:17:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:17:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:17:38,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:17:39,010 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:17:39,012 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:17:39,167 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:17:39,228 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:17:39,228 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:17:39,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:17:39 BoogieIcfgContainer [2023-12-02 22:17:39,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:17:39,231 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:17:39,231 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:17:39,240 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:17:39,240 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:17:39" (1/1) ... [2023-12-02 22:17:39,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:17:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:17:39,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-12-02 22:17:39,294 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-12-02 22:17:39,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 22:17:39,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:17:39,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:17:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:17:39,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:17:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:17:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:17:39,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:17:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:17:39,683 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:17:39,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:17:39 ImpRootNode [2023-12-02 22:17:39,722 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:17:39,723 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:17:39,723 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:17:39,723 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:17:39,724 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:17:39" (3/4) ... [2023-12-02 22:17:39,726 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:17:39,728 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:17:39,729 INFO L158 Benchmark]: Toolchain (without parser) took 1146.77ms. Allocated memory is still 140.5MB. Free memory was 103.3MB in the beginning and 48.8MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-12-02 22:17:39,729 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 107.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:17:39,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.89ms. Allocated memory is still 140.5MB. Free memory was 103.3MB in the beginning and 92.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:17:39,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.76ms. Allocated memory is still 140.5MB. Free memory was 92.0MB in the beginning and 90.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:17:39,731 INFO L158 Benchmark]: Boogie Preprocessor took 19.39ms. Allocated memory is still 140.5MB. Free memory was 90.1MB in the beginning and 88.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:17:39,732 INFO L158 Benchmark]: RCFGBuilder took 362.95ms. Allocated memory is still 140.5MB. Free memory was 88.5MB in the beginning and 72.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:17:39,733 INFO L158 Benchmark]: CodeCheck took 491.19ms. Allocated memory is still 140.5MB. Free memory was 72.3MB in the beginning and 49.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 22:17:39,733 INFO L158 Benchmark]: Witness Printer took 4.97ms. Allocated memory is still 140.5MB. Free memory was 49.2MB in the beginning and 48.8MB in the end (delta: 444.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:17:39,736 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 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 someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryArithmeticFLOAToperation at line 33. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_3 = 0; [L24] unsigned char var_1_4 = 128; [L25] unsigned char var_1_5 = 2; [L26] float var_1_6 = 3.9; [L27] float var_1_7 = 5.75; [L28] float var_1_8 = 31.25; [L29] signed short int var_1_9 = -32; [L62] isInitial = 1 [L63] FCALL initially() [L64] COND TRUE 1 [L65] FCALL updateLastVariables() [L66] CALL updateVariables() [L41] var_1_3 = __VERIFIER_nondet_uchar() [L42] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) [L42] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=5, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L43] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=1, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_1=5, var_1_3=1, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L44] var_1_4 = __VERIFIER_nondet_uchar() [L45] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L46] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L47] var_1_5 = __VERIFIER_nondet_uchar() [L48] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L49] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L50] var_1_7 = __VERIFIER_nondet_float() [L51] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=39/10, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=39/10, var_1_8=125/4, var_1_9=-32] [L52] var_1_8 = __VERIFIER_nondet_float() [L53] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=39/10, var_1_9=-32] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_3=1, var_1_4=127, var_1_5=0, var_1_6=39/10, var_1_9=-32] [L66] RET updateVariables() [L67] CALL step() [L33] var_1_6 = (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + ((((127.5f) < (var_1_8)) ? (127.5f) : (var_1_8)))) [L34] var_1_9 = var_1_4 [L35] unsigned char stepLocal_0 = var_1_3; [L36] COND TRUE (-1000000000 < var_1_9) || stepLocal_0 [L37] var_1_1 = (var_1_4 - var_1_5) [L67] RET step() [L68] CALL, EXPR property() [L58-L59] return ((((-1000000000 < var_1_9) || var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : 1) && (var_1_6 == ((float) (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + ((((127.5f) < (var_1_8)) ? (127.5f) : (var_1_8))))))) && (var_1_9 == ((signed short int) var_1_4)) ; [L68] RET, EXPR property() [L68] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=127, var_1_3=1, var_1_4=127, var_1_5=0, var_1_9=127] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=127, var_1_3=1, var_1_4=127, var_1_5=0, var_1_9=127] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 107.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.89ms. Allocated memory is still 140.5MB. Free memory was 103.3MB in the beginning and 92.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.76ms. Allocated memory is still 140.5MB. Free memory was 92.0MB in the beginning and 90.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.39ms. Allocated memory is still 140.5MB. Free memory was 90.1MB in the beginning and 88.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 362.95ms. Allocated memory is still 140.5MB. Free memory was 88.5MB in the beginning and 72.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 491.19ms. Allocated memory is still 140.5MB. Free memory was 72.3MB in the beginning and 49.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.97ms. Allocated memory is still 140.5MB. Free memory was 49.2MB in the beginning and 48.8MB in the end (delta: 444.0kB). 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 22:17:39,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/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_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/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_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/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 641c4ed5eca7cff750ae4689f7589464820b46894765e20576aab7fa90d05e60 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:17:41,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:17:41,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:17:41,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:17:41,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:17:41,961 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:17:41,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:17:41,963 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:17:41,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:17:41,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:17:41,964 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:17:41,965 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:17:41,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:17:41,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:17:41,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:17:41,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:17:41,968 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:17:41,968 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:17:41,969 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:17:41,969 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:17:41,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:17:41,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:17:41,972 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:17:41,973 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:17:41,973 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:17:41,973 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:17:41,974 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:17:41,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:17:41,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:17:41,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:17:41,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:17:41,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:17:41,976 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:17:41,976 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:17:41,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:17:41,976 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:17:41,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:17:41,977 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_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 641c4ed5eca7cff750ae4689f7589464820b46894765e20576aab7fa90d05e60 [2023-12-02 22:17:42,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:17:42,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:17:42,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:17:42,292 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:17:42,293 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:17:42,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i [2023-12-02 22:17:45,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:17:45,476 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:17:45,476 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i [2023-12-02 22:17:45,483 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/data/ad34cb97f/a742d7af2ac04ced95bdea2047f190be/FLAGc9651f107 [2023-12-02 22:17:45,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/data/ad34cb97f/a742d7af2ac04ced95bdea2047f190be [2023-12-02 22:17:45,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:17:45,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:17:45,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:17:45,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:17:45,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:17:45,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:45" (1/1) ... [2023-12-02 22:17:45,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691388fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:45, skipping insertion in model container [2023-12-02 22:17:45,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:45" (1/1) ... [2023-12-02 22:17:45,529 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:17:45,649 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_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i[915,928] [2023-12-02 22:17:45,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:17:45,690 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:17:45,701 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_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i[915,928] [2023-12-02 22:17:45,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:17:45,731 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:17:45,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:45 WrapperNode [2023-12-02 22:17:45,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:17:45,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:17:45,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:17:45,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:17:45,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:45" (1/1) ... [2023-12-02 22:17:45,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:45" (1/1) ... [2023-12-02 22:17:45,770 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2023-12-02 22:17:45,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:17:45,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:17:45,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:17:45,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:17:45,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:45" (1/1) ... [2023-12-02 22:17:45,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:45" (1/1) ... [2023-12-02 22:17:45,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:45" (1/1) ... [2023-12-02 22:17:45,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:45" (1/1) ... [2023-12-02 22:17:45,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:45" (1/1) ... [2023-12-02 22:17:45,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:45" (1/1) ... [2023-12-02 22:17:45,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:45" (1/1) ... [2023-12-02 22:17:45,799 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:45" (1/1) ... [2023-12-02 22:17:45,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:17:45,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:17:45,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:17:45,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:17:45,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:45" (1/1) ... [2023-12-02 22:17:45,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:17:45,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:17:45,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:17:45,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:17:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:17:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:17:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:17:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:17:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:17:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:17:45,950 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:17:45,951 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:17:46,324 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:17:46,392 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:17:46,392 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:17:46,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:17:46 BoogieIcfgContainer [2023-12-02 22:17:46,394 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:17:46,395 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:17:46,395 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:17:46,405 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:17:46,405 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:17:46" (1/1) ... [2023-12-02 22:17:46,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:17:46,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:17:46,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-12-02 22:17:46,464 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-12-02 22:17:46,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 22:17:46,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:17:46,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:17:46,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:17:46,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:17:46,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:17:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:17:46,842 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:17:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:17:47,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 22:17:47,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:21,563 WARN L293 SmtUtils]: Spent 11.45s on a formula simplification. DAG size of input: 7 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:18:40,055 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:19:44,231 WARN L293 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:20:15,599 WARN L293 SmtUtils]: Spent 5.76s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:20:29,068 WARN L293 SmtUtils]: Spent 6.50s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:20:53,106 WARN L293 SmtUtils]: Spent 11.37s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:21:16,592 WARN L293 SmtUtils]: Spent 12.13s on a formula simplification. DAG size of input: 7 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:21:46,976 WARN L293 SmtUtils]: Spent 7.23s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:22:11,054 WARN L293 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:22:22,371 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:22:22,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:22:24,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:22:24,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 38 states and 64 transitions. [2023-12-02 22:22:24,097 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2023-12-02 22:22:24,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 22:22:24,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:22:24,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:22:24,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:22:24,101 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:22:24,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:22:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:24,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:22:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:25,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 22:22:25,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:22:56,076 WARN L293 SmtUtils]: Spent 8.54s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:23:02,585 WARN L293 SmtUtils]: Spent 6.51s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:23:14,312 WARN L293 SmtUtils]: Spent 11.73s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:23:24,239 WARN L293 SmtUtils]: Spent 9.93s on a formula simplification. DAG size of input: 7 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:23:46,067 WARN L293 SmtUtils]: Spent 9.70s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:23:55,363 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 7 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:24:13,107 WARN L293 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:24:54,986 WARN L293 SmtUtils]: Spent 7.12s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:25:02,427 WARN L293 SmtUtils]: Spent 7.44s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:26:00,768 WARN L293 SmtUtils]: Spent 9.72s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:26:24,712 WARN L293 SmtUtils]: Spent 10.22s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:26:36,982 WARN L293 SmtUtils]: Spent 12.27s on a formula simplification. DAG size of input: 7 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:26:42,416 WARN L293 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:27:27,750 WARN L293 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 22:28:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 46 proven. 14 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-12-02 22:28:09,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:28:11,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:11,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 19 states and 26 transitions. [2023-12-02 22:28:11,929 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2023-12-02 22:28:11,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:28:11,929 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-12-02 22:28:11,935 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 22:28:12,139 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:28:12,141 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:28:12,141 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:28:12,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:28:12 ImpRootNode [2023-12-02 22:28:12,142 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:28:12,142 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:28:12,142 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:28:12,143 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:28:12,143 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:17:46" (3/4) ... [2023-12-02 22:28:12,144 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:28:12,147 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 22:28:12,150 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-12-02 22:28:12,150 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-02 22:28:12,150 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 22:28:12,150 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:28:12,231 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:28:12,232 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:28:12,232 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:28:12,233 INFO L158 Benchmark]: Toolchain (without parser) took 626732.68ms. Allocated memory was 79.7MB in the beginning and 444.6MB in the end (delta: 364.9MB). Free memory was 58.0MB in the beginning and 186.2MB in the end (delta: -128.2MB). Peak memory consumption was 235.4MB. Max. memory is 16.1GB. [2023-12-02 22:28:12,234 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 79.7MB. Free memory was 55.7MB in the beginning and 55.5MB in the end (delta: 154.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:28:12,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.65ms. Allocated memory is still 79.7MB. Free memory was 57.7MB in the beginning and 46.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:28:12,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.31ms. Allocated memory is still 79.7MB. Free memory was 46.0MB in the beginning and 44.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:28:12,235 INFO L158 Benchmark]: Boogie Preprocessor took 32.37ms. Allocated memory is still 79.7MB. Free memory was 44.1MB in the beginning and 42.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:28:12,236 INFO L158 Benchmark]: RCFGBuilder took 589.89ms. Allocated memory is still 79.7MB. Free memory was 42.6MB in the beginning and 49.0MB in the end (delta: -6.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:28:12,236 INFO L158 Benchmark]: CodeCheck took 625747.13ms. Allocated memory was 79.7MB in the beginning and 444.6MB in the end (delta: 364.9MB). Free memory was 49.0MB in the beginning and 191.3MB in the end (delta: -142.3MB). Peak memory consumption was 223.2MB. Max. memory is 16.1GB. [2023-12-02 22:28:12,237 INFO L158 Benchmark]: Witness Printer took 90.03ms. Allocated memory is still 444.6MB. Free memory was 191.3MB in the beginning and 186.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:28:12,239 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 625.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 113 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 297 IncrementalHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 104 mSolverCounterUnsat, 26 mSDtfsCounter, 297 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 821 GetRequests, 777 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 619.2s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 784 SizeOfPredicates, 33 NumberOfNonLiveVariables, 233 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 290/311 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: 40]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: 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 0.41ms. Allocated memory is still 79.7MB. Free memory was 55.7MB in the beginning and 55.5MB in the end (delta: 154.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.65ms. Allocated memory is still 79.7MB. Free memory was 57.7MB in the beginning and 46.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.31ms. Allocated memory is still 79.7MB. Free memory was 46.0MB in the beginning and 44.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.37ms. Allocated memory is still 79.7MB. Free memory was 44.1MB in the beginning and 42.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 589.89ms. Allocated memory is still 79.7MB. Free memory was 42.6MB in the beginning and 49.0MB in the end (delta: -6.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 625747.13ms. Allocated memory was 79.7MB in the beginning and 444.6MB in the end (delta: 364.9MB). Free memory was 49.0MB in the beginning and 191.3MB in the end (delta: -142.3MB). Peak memory consumption was 223.2MB. Max. memory is 16.1GB. * Witness Printer took 90.03ms. Allocated memory is still 444.6MB. Free memory was 191.3MB in the beginning and 186.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 22:28:12,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ee53eb-7ef0-4aab-a69a-15ae2ad9c530/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