./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b --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 c4cbc544f6c6468ca141cfd9a471f76e948b2a9f8c6c56806d9220760159bde9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:39:48,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:39:48,589 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:39:48,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:39:48,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:39:48,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:39:48,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:39:48,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:39:48,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:39:48,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:39:48,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:39:48,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:39:48,612 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:39:48,612 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:39:48,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:39:48,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:39:48,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:39:48,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:39:48,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:39:48,613 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:39:48,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:39:48,613 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:39:48,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:39:48,613 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:39:48,613 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:39:48,614 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:39:48,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:39:48,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:39:48,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:39:48,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:39:48,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:39:48,614 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:39:48,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:39:48,614 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b 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 -> c4cbc544f6c6468ca141cfd9a471f76e948b2a9f8c6c56806d9220760159bde9 [2024-12-05 21:39:48,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:39:48,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:39:48,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:39:48,818 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:39:48,819 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:39:48,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c [2024-12-05 21:39:51,472 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/data/d925a5b44/e8f66740aba243399fbdd97b6ae558e9/FLAG4b9d870f7 [2024-12-05 21:39:51,654 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:39:51,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c [2024-12-05 21:39:51,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/data/d925a5b44/e8f66740aba243399fbdd97b6ae558e9/FLAG4b9d870f7 [2024-12-05 21:39:51,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/data/d925a5b44/e8f66740aba243399fbdd97b6ae558e9 [2024-12-05 21:39:51,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:39:51,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:39:51,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:39:51,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:39:51,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:39:51,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:39:51" (1/1) ... [2024-12-05 21:39:51,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e86d121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:51, skipping insertion in model container [2024-12-05 21:39:51,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:39:51" (1/1) ... [2024-12-05 21:39:51,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:39:51,820 WARN L250 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_e39d189d-f6ff-4224-9fd8-519a6476eddc/sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c[986,999] [2024-12-05 21:39:51,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:39:51,841 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:39:51,850 WARN L250 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_e39d189d-f6ff-4224-9fd8-519a6476eddc/sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c[986,999] [2024-12-05 21:39:51,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:39:51,867 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:39:51,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:51 WrapperNode [2024-12-05 21:39:51,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:39:51,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:39:51,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:39:51,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:39:51,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:51" (1/1) ... [2024-12-05 21:39:51,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:51" (1/1) ... [2024-12-05 21:39:51,897 INFO L138 Inliner]: procedures = 15, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-12-05 21:39:51,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:39:51,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:39:51,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:39:51,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:39:51,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:51" (1/1) ... [2024-12-05 21:39:51,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:51" (1/1) ... [2024-12-05 21:39:51,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:51" (1/1) ... [2024-12-05 21:39:51,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:51" (1/1) ... [2024-12-05 21:39:51,909 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:51" (1/1) ... [2024-12-05 21:39:51,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:51" (1/1) ... [2024-12-05 21:39:51,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:51" (1/1) ... [2024-12-05 21:39:51,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:51" (1/1) ... [2024-12-05 21:39:51,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:51" (1/1) ... [2024-12-05 21:39:51,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:39:51,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:39:51,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:39:51,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:39:51,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:51" (1/1) ... [2024-12-05 21:39:51,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:39:51,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:39:51,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:39:51,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:39:51,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:39:51,967 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_14_0 [2024-12-05 21:39:51,968 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_14_0 [2024-12-05 21:39:51,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:39:51,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 21:39:51,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 21:39:51,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:39:51,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:39:51,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 21:39:51,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:39:52,016 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:39:52,017 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:39:52,120 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-05 21:39:52,120 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:39:52,172 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:39:52,172 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:39:52,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:39:52 BoogieIcfgContainer [2024-12-05 21:39:52,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:39:52,174 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:39:52,174 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:39:52,181 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:39:52,181 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:39:52" (1/1) ... [2024-12-05 21:39:52,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:39:52,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:39:52,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-05 21:39:52,227 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-05 21:39:52,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:39:52,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:39:52,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:39:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:39:52,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:39:52,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:39:52,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 22 transitions. [2024-12-05 21:39:52,746 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-12-05 21:39:52,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 21:39:52,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:39:52,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:39:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:39:52,765 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:39:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:39:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:39:52,828 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:39:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:39:52,851 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 21:39:52,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:39:52 ImpRootNode [2024-12-05 21:39:52,872 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:39:52,873 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:39:52,873 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:39:52,873 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:39:52,873 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:39:52" (3/4) ... [2024-12-05 21:39:52,875 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:39:52,876 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:39:52,877 INFO L158 Benchmark]: Toolchain (without parser) took 1200.65ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 77.2MB in the end (delta: 15.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-12-05 21:39:52,877 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 72.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:39:52,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.77ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:39:52,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.45ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:39:52,878 INFO L158 Benchmark]: Boogie Preprocessor took 16.22ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.1MB in the end (delta: 780.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:39:52,879 INFO L158 Benchmark]: RCFGBuilder took 258.10ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 67.6MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:39:52,879 INFO L158 Benchmark]: CodeCheck took 698.49ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 77.2MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:39:52,879 INFO L158 Benchmark]: Witness Printer took 3.19ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 77.2MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:39:52,882 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 11 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 27]: 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 bitwiseAnd at line 56. Possible FailurePath: [L54] unsigned int x = 5; VAL [x={11970:0}] [L55] CALL func_to_recursive_line_13_to_14_0(&x) VAL [\old(x)={11970:0}] [L40] COND TRUE __VERIFIER_nondet_int() [L43] EXPR \read(*x) [L43] *x += 8 [L45] CALL func_to_recursive_line_13_to_14_0(x) VAL [\old(x)={11970:0}] [L40] COND FALSE !(__VERIFIER_nondet_int()) [L45] RET func_to_recursive_line_13_to_14_0(x) VAL [\old(x)={11970:0}, x={11970:0}] [L55] RET func_to_recursive_line_13_to_14_0(&x) VAL [x={11970:0}] [L56] EXPR \read(x) [L56] EXPR x & 5 [L56] CALL __VERIFIER_assert((x & 5) == 5) [L23] COND TRUE !cond [L27] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 72.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.77ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.45ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.22ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.1MB in the end (delta: 780.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 258.10ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 67.6MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 698.49ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 77.2MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.19ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 77.2MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:39:52,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b --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 c4cbc544f6c6468ca141cfd9a471f76e948b2a9f8c6c56806d9220760159bde9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:39:54,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:39:54,878 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 21:39:54,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:39:54,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:39:54,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:39:54,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:39:54,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:39:54,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:39:54,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:39:54,907 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:39:54,907 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:39:54,907 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:39:54,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:39:54,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:39:54,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:39:54,907 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:39:54,907 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:39:54,907 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:39:54,907 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:39:54,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:39:54,908 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:39:54,908 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:39:54,908 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:39:54,908 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:39:54,908 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:39:54,908 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:39:54,908 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:39:54,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:39:54,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:39:54,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:39:54,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:39:54,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:39:54,909 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:39:54,909 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:39:54,909 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:39:54,909 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b 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 -> c4cbc544f6c6468ca141cfd9a471f76e948b2a9f8c6c56806d9220760159bde9 [2024-12-05 21:39:55,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:39:55,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:39:55,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:39:55,164 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:39:55,164 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:39:55,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c [2024-12-05 21:39:57,855 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/data/2312f382d/a25d9ee582664d0d8b67d4ed1119c8f7/FLAG8d9822bb4 [2024-12-05 21:39:58,026 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:39:58,026 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c [2024-12-05 21:39:58,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/data/2312f382d/a25d9ee582664d0d8b67d4ed1119c8f7/FLAG8d9822bb4 [2024-12-05 21:39:58,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/data/2312f382d/a25d9ee582664d0d8b67d4ed1119c8f7 [2024-12-05 21:39:58,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:39:58,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:39:58,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:39:58,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:39:58,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:39:58,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:39:58" (1/1) ... [2024-12-05 21:39:58,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3822d07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:58, skipping insertion in model container [2024-12-05 21:39:58,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:39:58" (1/1) ... [2024-12-05 21:39:58,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:39:58,165 WARN L250 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_e39d189d-f6ff-4224-9fd8-519a6476eddc/sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c[986,999] [2024-12-05 21:39:58,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:39:58,182 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:39:58,190 WARN L250 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_e39d189d-f6ff-4224-9fd8-519a6476eddc/sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c[986,999] [2024-12-05 21:39:58,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:39:58,205 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:39:58,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:58 WrapperNode [2024-12-05 21:39:58,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:39:58,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:39:58,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:39:58,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:39:58,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:58" (1/1) ... [2024-12-05 21:39:58,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:58" (1/1) ... [2024-12-05 21:39:58,227 INFO L138 Inliner]: procedures = 18, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2024-12-05 21:39:58,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:39:58,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:39:58,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:39:58,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:39:58,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:58" (1/1) ... [2024-12-05 21:39:58,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:58" (1/1) ... [2024-12-05 21:39:58,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:58" (1/1) ... [2024-12-05 21:39:58,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:58" (1/1) ... [2024-12-05 21:39:58,239 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:58" (1/1) ... [2024-12-05 21:39:58,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:58" (1/1) ... [2024-12-05 21:39:58,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:58" (1/1) ... [2024-12-05 21:39:58,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:58" (1/1) ... [2024-12-05 21:39:58,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:58" (1/1) ... [2024-12-05 21:39:58,245 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:39:58,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:39:58,246 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:39:58,246 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:39:58,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:39:58" (1/1) ... [2024-12-05 21:39:58,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:39:58,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:39:58,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:39:58,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:39:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:39:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_14_0 [2024-12-05 21:39:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_14_0 [2024-12-05 21:39:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:39:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-05 21:39:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 21:39:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 21:39:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:39:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:39:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:39:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 21:39:58,363 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:39:58,365 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:39:58,476 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 21:39:58,476 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:39:58,501 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:39:58,501 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:39:58,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:39:58 BoogieIcfgContainer [2024-12-05 21:39:58,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:39:58,503 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:39:58,503 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:39:58,512 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:39:58,512 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:39:58" (1/1) ... [2024-12-05 21:39:58,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:39:58,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:39:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-05 21:39:58,560 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-05 21:39:58,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:39:58,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:39:58,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:39:58,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:39:58,567 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:39:58,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:39:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:39:58,642 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:39:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:39:58,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 21:39:58,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:39:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:39:58,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:39:58,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:39:58,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 23 transitions. [2024-12-05 21:39:58,904 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-12-05 21:39:58,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 21:39:58,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:39:58,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:39:58,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:39:58,907 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:39:58,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 21:39:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:39:58,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:39:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:39:59,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 21:39:59,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:39:59,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:39:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:39:59,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 21:40:00,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:40:01,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:01,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 20 states and 27 transitions. [2024-12-05 21:40:01,246 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-12-05 21:40:01,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 21:40:01,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:01,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:01,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:01,248 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:01,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 21:40:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:01,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:01,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-05 21:40:01,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:01,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:40:01,558 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 21:40:01,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 21:40:04,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:40:04,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:04,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 23 states and 32 transitions. [2024-12-05 21:40:04,947 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-05 21:40:04,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 21:40:04,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:04,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:04,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:04,949 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:04,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 21:40:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:05,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:05,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 21:40:05,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:05,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:40:05,338 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 21:40:05,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-05 21:40:07,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:40:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:08,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 26 states and 37 transitions. [2024-12-05 21:40:08,073 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-12-05 21:40:08,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 21:40:08,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:08,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:08,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:08,076 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:08,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 21:40:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:08,156 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:08,178 WARN L254 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-05 21:40:08,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:08,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:40:08,629 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-05 21:40:08,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 21:40:12,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:40:13,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:13,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 29 states and 42 transitions. [2024-12-05 21:40:13,208 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-12-05 21:40:13,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 21:40:13,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:13,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:13,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:13,211 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:13,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 21:40:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:13,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:13,325 WARN L254 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-05 21:40:13,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:13,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:40:13,787 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-05 21:40:13,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 21:40:16,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:40:17,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:17,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 32 states and 47 transitions. [2024-12-05 21:40:17,536 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-12-05 21:40:17,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 21:40:17,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:17,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:17,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:17,538 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:17,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 21:40:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:17,640 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:17,673 WARN L254 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-12-05 21:40:17,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:18,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:40:18,304 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-05 21:40:18,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 21:40:20,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:40:23,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:23,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 35 states and 52 transitions. [2024-12-05 21:40:23,217 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2024-12-05 21:40:23,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-05 21:40:23,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:23,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:23,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:23,221 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:23,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 21:40:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:23,366 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:23,397 WARN L254 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-12-05 21:40:23,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:24,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:40:24,279 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-05 21:40:24,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 21:40:28,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:40:30,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:30,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 38 states and 57 transitions. [2024-12-05 21:40:30,644 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-12-05 21:40:30,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-05 21:40:30,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:30,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:30,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:30,647 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:30,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 21:40:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:30,761 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:30,788 WARN L254 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-12-05 21:40:30,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:31,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:40:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-12-05 21:40:31,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 21:40:38,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.96s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:40:42,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:42,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 41 states and 62 transitions. [2024-12-05 21:40:42,874 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2024-12-05 21:40:42,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-05 21:40:42,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:42,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:42,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:42,876 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:42,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 21:40:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:43,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:43,062 WARN L254 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-12-05 21:40:43,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:40:44,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:40:44,361 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-12-05 21:40:44,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 21:40:55,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.38s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:40:58,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:40:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 44 states and 67 transitions. [2024-12-05 21:40:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-12-05 21:40:58,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-05 21:40:58,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:40:58,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:40:58,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:40:58,930 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:40:58,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 21:40:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:59,112 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:40:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:40:59,157 WARN L254 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-12-05 21:40:59,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:41:00,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:41:00,840 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-05 21:41:00,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 21:41:08,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:41:13,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:13,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 47 states and 72 transitions. [2024-12-05 21:41:13,642 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 72 transitions. [2024-12-05 21:41:13,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-05 21:41:13,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:13,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:41:13,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:41:13,645 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:41:13,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 21:41:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:13,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:41:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:13,823 WARN L254 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-12-05 21:41:13,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:41:15,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:41:15,455 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-05 21:41:15,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 21:41:24,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:41:29,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:29,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 50 states and 77 transitions. [2024-12-05 21:41:29,711 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2024-12-05 21:41:29,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-05 21:41:29,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:29,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:41:29,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:41:29,713 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:41:29,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 21:41:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:29,864 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:41:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:29,905 WARN L254 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-12-05 21:41:29,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:41:31,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:41:31,679 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 179 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-12-05 21:41:31,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 21:41:40,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:41:46,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:46,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 53 states and 82 transitions. [2024-12-05 21:41:46,767 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2024-12-05 21:41:46,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-05 21:41:46,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:46,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:41:46,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:41:46,770 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:41:46,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 21:41:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:46,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:41:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:46,988 WARN L254 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 124 conjuncts are in the unsatisfiable core [2024-12-05 21:41:46,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:41:48,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:41:49,364 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-12-05 21:41:49,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 21:42:03,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.29s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:42:09,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:42:11,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:11,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 56 states and 87 transitions. [2024-12-05 21:42:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 87 transitions. [2024-12-05 21:42:11,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-05 21:42:11,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:11,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:11,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:11,185 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:11,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 21:42:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:11,343 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:11,384 WARN L254 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 133 conjuncts are in the unsatisfiable core [2024-12-05 21:42:11,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:13,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:42:14,053 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 237 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-12-05 21:42:14,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 21:42:25,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:42:32,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:32,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 59 states and 92 transitions. [2024-12-05 21:42:32,525 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 92 transitions. [2024-12-05 21:42:32,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-05 21:42:32,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:32,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:32,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:32,528 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:32,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 21:42:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:32,714 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:32,759 WARN L254 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 142 conjuncts are in the unsatisfiable core [2024-12-05 21:42:32,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:42:34,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:42:35,704 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 269 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-12-05 21:42:35,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 21:42:44,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:42:50,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:42:56,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:42:59,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:59,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 62 states and 97 transitions. [2024-12-05 21:42:59,535 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2024-12-05 21:42:59,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-05 21:42:59,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:59,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:42:59,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:42:59,538 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:42:59,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 21:42:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:59,736 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:42:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:42:59,779 WARN L254 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 151 conjuncts are in the unsatisfiable core [2024-12-05 21:42:59,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:43:02,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:43:03,470 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 303 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-12-05 21:43:03,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 21:43:23,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:43:26,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:43:26,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 65 states and 102 transitions. [2024-12-05 21:43:26,735 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2024-12-05 21:43:26,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-05 21:43:26,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:43:26,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:43:26,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:43:26,737 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:43:26,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 21:43:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:43:26,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:43:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:43:26,991 WARN L254 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 160 conjuncts are in the unsatisfiable core [2024-12-05 21:43:26,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:43:29,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:43:30,959 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 339 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-12-05 21:43:30,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 21:43:50,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:43:52,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:43:59,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:44:07,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:44:11,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:11,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 68 states and 107 transitions. [2024-12-05 21:44:11,055 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 107 transitions. [2024-12-05 21:44:11,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-05 21:44:11,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:11,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:11,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:11,058 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:11,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 21:44:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:11,287 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:11,335 WARN L254 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 169 conjuncts are in the unsatisfiable core [2024-12-05 21:44:11,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:14,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:44:15,959 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 377 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-12-05 21:44:15,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 21:44:28,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:44:30,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:44:36,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:44:46,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:44:49,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:44:54,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:54,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 71 states and 112 transitions. [2024-12-05 21:44:54,195 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 112 transitions. [2024-12-05 21:44:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-05 21:44:54,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:54,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:54,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:54,198 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:54,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 21:44:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:54,523 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:54,587 WARN L254 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 178 conjuncts are in the unsatisfiable core [2024-12-05 21:44:54,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:59,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:45:00,896 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 417 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-12-05 21:45:00,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 21:45:17,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:45:18,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:45:21,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:45:27,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:45:38,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:45:44,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:45:49,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 74 states and 117 transitions. [2024-12-05 21:45:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 117 transitions. [2024-12-05 21:45:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-05 21:45:49,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:49,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:49,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:49,574 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:49,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 21:45:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:49,819 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:49,875 WARN L254 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 187 conjuncts are in the unsatisfiable core [2024-12-05 21:45:49,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:54,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:45:55,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 459 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2024-12-05 21:45:55,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 21:46:12,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:46:15,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:46:21,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:46:25,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:46:37,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:46:43,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:43,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 77 states and 122 transitions. [2024-12-05 21:46:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2024-12-05 21:46:43,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-05 21:46:43,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:43,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:43,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:43,134 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:43,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 21:46:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:43,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:43,502 WARN L254 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 196 conjuncts are in the unsatisfiable core [2024-12-05 21:46:43,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:48,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:46:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 0 proven. 503 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2024-12-05 21:46:50,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 21:47:08,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:47:12,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:47:22,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:47:33,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:47:37,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:47:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:47:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 80 states and 127 transitions. [2024-12-05 21:47:43,371 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 127 transitions. [2024-12-05 21:47:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-05 21:47:43,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:47:43,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:47:43,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:47:43,374 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:47:43,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 21:47:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:47:43,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:47:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:47:43,754 WARN L254 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 205 conjuncts are in the unsatisfiable core [2024-12-05 21:47:43,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:47:49,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:47:51,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 549 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2024-12-05 21:47:51,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-12-05 21:48:11,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:48:18,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:48:22,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:48:34,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:48:51,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:48:54,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:49:01,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:49:01,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 83 states and 132 transitions. [2024-12-05 21:49:01,805 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2024-12-05 21:49:01,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 21:49:01,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:49:01,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:49:01,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:49:01,807 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:49:01,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 21:49:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:49:02,132 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:49:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:49:02,196 WARN L254 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 214 conjuncts are in the unsatisfiable core [2024-12-05 21:49:02,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:49:08,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:49:11,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 0 proven. 597 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-05 21:49:11,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-12-05 21:49:38,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:49:40,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:49:46,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:49:56,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.88s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:50:11,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:50:14,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:50:24,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:50:29,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:50:36,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:50:36,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 86 states and 137 transitions. [2024-12-05 21:50:36,477 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 137 transitions. [2024-12-05 21:50:36,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-05 21:50:36,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:50:36,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:50:36,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:50:36,479 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:50:36,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 21:50:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:50:36,821 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:50:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:50:36,883 WARN L254 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 223 conjuncts are in the unsatisfiable core [2024-12-05 21:50:36,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:50:44,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:50:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1476 backedges. 0 proven. 647 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2024-12-05 21:50:46,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-12-05 21:51:21,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:51:22,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:51:25,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:51:37,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:51:55,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:52:00,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:52:08,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:52:08,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 89 states and 142 transitions. [2024-12-05 21:52:08,309 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 142 transitions. [2024-12-05 21:52:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-05 21:52:08,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:52:08,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:52:08,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:52:08,312 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:52:08,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 21:52:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:52:08,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:52:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:52:08,763 WARN L254 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 232 conjuncts are in the unsatisfiable core [2024-12-05 21:52:08,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:52:17,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:52:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 699 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2024-12-05 21:52:20,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-12-05 21:52:52,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:52:57,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:53:03,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:53:13,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:53:29,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:53:41,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:53:47,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:53:56,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:53:56,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 92 states and 147 transitions. [2024-12-05 21:53:56,251 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 147 transitions. [2024-12-05 21:53:56,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-05 21:53:56,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:53:56,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:53:56,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:53:56,253 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:53:56,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 21:53:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:53:56,622 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:53:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:53:56,694 WARN L254 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 241 conjuncts are in the unsatisfiable core [2024-12-05 21:53:56,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:54:05,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 21:54:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 753 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2024-12-05 21:54:08,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e39d189d-f6ff-4224-9fd8-519a6476eddc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-12-05 21:54:41,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:54:48,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:55:05,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 21:55:06,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []