./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/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_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 22:22:18,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:22:18,740 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:22:18,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:22:18,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:22:18,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:22:18,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:22:18,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:22:18,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:22:18,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:22:18,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:22:18,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:22:18,782 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:22:18,785 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:22:18,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:22:18,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:22:18,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:22:18,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:22:18,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:22:18,787 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:22:18,787 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:22:18,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:22:18,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:22:18,791 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:22:18,792 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:22:18,792 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:22:18,792 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:22:18,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:18,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:22:18,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:22:18,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:22:18,794 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:22:18,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:22:18,794 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4cbc544f6c6468ca141cfd9a471f76e948b2a9f8c6c56806d9220760159bde9 [2024-11-08 22:22:19,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:22:19,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:22:19,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:22:19,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:22:19,141 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:22:19,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c Unable to find full path for "g++" [2024-11-08 22:22:21,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:22:21,355 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:22:21,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c [2024-11-08 22:22:21,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/data/65148d2ed/bad67435e3484d0f90cee917aecf6a4a/FLAGe553e6d27 [2024-11-08 22:22:21,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/data/65148d2ed/bad67435e3484d0f90cee917aecf6a4a [2024-11-08 22:22:21,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:22:21,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:22:21,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:21,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:22:21,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:22:21,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:21" (1/1) ... [2024-11-08 22:22:21,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728b0525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:21, skipping insertion in model container [2024-11-08 22:22:21,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:21" (1/1) ... [2024-11-08 22:22:21,413 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:22:21,611 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_7ab2892f-8e00-42bb-aad7-9913ab249ac1/sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c[986,999] [2024-11-08 22:22:21,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:21,637 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:22:21,652 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_7ab2892f-8e00-42bb-aad7-9913ab249ac1/sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c[986,999] [2024-11-08 22:22:21,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:21,678 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:22:21,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:21 WrapperNode [2024-11-08 22:22:21,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:21,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:21,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:22:21,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:22:21,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:21" (1/1) ... [2024-11-08 22:22:21,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:21" (1/1) ... [2024-11-08 22:22:21,712 INFO L138 Inliner]: procedures = 15, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-11-08 22:22:21,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:21,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:22:21,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:22:21,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:22:21,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:21" (1/1) ... [2024-11-08 22:22:21,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:21" (1/1) ... [2024-11-08 22:22:21,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:21" (1/1) ... [2024-11-08 22:22:21,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:21" (1/1) ... [2024-11-08 22:22:21,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:21" (1/1) ... [2024-11-08 22:22:21,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:21" (1/1) ... [2024-11-08 22:22:21,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:21" (1/1) ... [2024-11-08 22:22:21,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:21" (1/1) ... [2024-11-08 22:22:21,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:22:21,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:22:21,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:22:21,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:22:21,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:21" (1/1) ... [2024-11-08 22:22:21,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:21,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:22:21,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:22:21,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:22:21,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:22:21,808 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_14_0 [2024-11-08 22:22:21,808 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_14_0 [2024-11-08 22:22:21,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:22:21,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:22:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:22:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:22:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:22:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:22:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:22:21,871 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:22:21,873 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:22:21,996 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 22:22:21,996 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:22:22,098 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:22:22,098 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:22:22,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:22 BoogieIcfgContainer [2024-11-08 22:22:22,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:22:22,099 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:22:22,099 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:22:22,109 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:22:22,109 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:22" (1/1) ... [2024-11-08 22:22:22,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:22:22,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:22,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-08 22:22:22,170 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-08 22:22:22,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:22:22,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:22,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:22,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:22,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 22 transitions. [2024-11-08 22:22:22,997 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-08 22:22:22,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:22:22,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:22,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:23,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:22:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:23,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:22:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:22:23,149 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:22:23,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:22:23 ImpRootNode [2024-11-08 22:22:23,182 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:22:23,183 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:22:23,183 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:22:23,183 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:22:23,183 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:22" (3/4) ... [2024-11-08 22:22:23,186 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:22:23,187 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:22:23,188 INFO L158 Benchmark]: Toolchain (without parser) took 1807.23ms. Allocated memory is still 140.5MB. Free memory was 104.5MB in the beginning and 45.7MB in the end (delta: 58.8MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2024-11-08 22:22:23,188 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:23,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.73ms. Allocated memory is still 140.5MB. Free memory was 104.5MB in the beginning and 110.0MB in the end (delta: -5.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:22:23,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.70ms. Allocated memory is still 140.5MB. Free memory was 110.0MB in the beginning and 108.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:22:23,190 INFO L158 Benchmark]: Boogie Preprocessor took 19.88ms. Allocated memory is still 140.5MB. Free memory was 108.1MB in the beginning and 107.4MB in the end (delta: 699.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:22:23,191 INFO L158 Benchmark]: RCFGBuilder took 364.72ms. Allocated memory is still 140.5MB. Free memory was 107.0MB in the beginning and 93.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:22:23,192 INFO L158 Benchmark]: CodeCheck took 1082.82ms. Allocated memory is still 140.5MB. Free memory was 93.9MB in the beginning and 46.2MB in the end (delta: 47.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-08 22:22:23,193 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 140.5MB. Free memory was 46.2MB in the beginning and 45.7MB in the end (delta: 444.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:22:23,196 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: 1.0s, 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s 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 - 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 0.28ms. Allocated memory is still 107.0MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.73ms. Allocated memory is still 140.5MB. Free memory was 104.5MB in the beginning and 110.0MB in the end (delta: -5.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.70ms. Allocated memory is still 140.5MB. Free memory was 110.0MB in the beginning and 108.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.88ms. Allocated memory is still 140.5MB. Free memory was 108.1MB in the beginning and 107.4MB in the end (delta: 699.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.72ms. Allocated memory is still 140.5MB. Free memory was 107.0MB in the beginning and 93.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 1082.82ms. Allocated memory is still 140.5MB. Free memory was 93.9MB in the beginning and 46.2MB in the end (delta: 47.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 140.5MB. Free memory was 46.2MB in the beginning and 45.7MB in the end (delta: 444.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:22:23,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/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_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 22:22:25,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:22:25,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:22:25,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:22:25,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:22:25,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:22:25,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:22:25,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:22:25,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:22:25,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:22:25,781 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:22:25,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:22:25,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:22:25,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:22:25,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:22:25,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:22:25,783 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:22:25,783 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:22:25,783 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:22:25,783 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:22:25,784 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:22:25,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:22:25,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:22:25,786 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:22:25,786 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:22:25,787 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:22:25,787 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:25,787 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:22:25,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:22:25,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:25,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:22:25,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:22:25,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:22:25,789 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:22:25,789 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:25,789 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:22:25,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4cbc544f6c6468ca141cfd9a471f76e948b2a9f8c6c56806d9220760159bde9 [2024-11-08 22:22:26,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:22:26,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:22:26,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:22:26,193 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:22:26,194 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:22:26,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c Unable to find full path for "g++" [2024-11-08 22:22:28,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:22:28,497 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:22:28,497 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c [2024-11-08 22:22:28,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/data/2c33b50f3/16051ea98144448085f46e338c3403d4/FLAGad4663d47 [2024-11-08 22:22:28,518 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/data/2c33b50f3/16051ea98144448085f46e338c3403d4 [2024-11-08 22:22:28,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:22:28,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:22:28,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:28,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:22:28,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:22:28,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:28,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e85004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28, skipping insertion in model container [2024-11-08 22:22:28,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:28,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:22:28,733 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_7ab2892f-8e00-42bb-aad7-9913ab249ac1/sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c[986,999] [2024-11-08 22:22:28,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:28,782 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:22:28,809 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_7ab2892f-8e00-42bb-aad7-9913ab249ac1/sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c[986,999] [2024-11-08 22:22:28,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:28,867 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:22:28,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28 WrapperNode [2024-11-08 22:22:28,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:28,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:28,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:22:28,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:22:28,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:28,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:28,903 INFO L138 Inliner]: procedures = 18, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2024-11-08 22:22:28,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:28,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:22:28,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:22:28,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:22:28,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:28,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:28,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:28,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:28,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:28,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:28,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:28,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:28,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:22:28,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:22:28,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:22:28,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:22:28,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:28,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:28,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:22:28,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:22:28,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:22:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:22:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_14_0 [2024-11-08 22:22:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_14_0 [2024-11-08 22:22:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:22:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-08 22:22:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:22:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:22:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:22:29,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:22:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:22:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:22:29,114 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:22:29,116 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:22:29,267 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:22:29,268 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:22:29,316 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:22:29,317 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:22:29,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:29 BoogieIcfgContainer [2024-11-08 22:22:29,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:22:29,319 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:22:29,319 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:22:29,330 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:22:29,331 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:29" (1/1) ... [2024-11-08 22:22:29,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:22:29,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:29,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-08 22:22:29,412 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-08 22:22:29,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:22:29,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:29,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:29,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:29,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:29,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:22:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:29,571 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:29,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:22:29,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:29,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:22:29,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:22:29,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:29,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 23 transitions. [2024-11-08 22:22:29,933 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-11-08 22:22:29,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:22:29,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:29,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:29,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:29,937 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:29,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:22:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:30,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:30,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:22:30,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:30,289 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 [2024-11-08 22:22:30,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:22:30,345 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:22:30,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:22:34,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:22:34,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:34,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 20 states and 27 transitions. [2024-11-08 22:22:34,880 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-08 22:22:34,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:22:34,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:34,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:34,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:34,884 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:34,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:22:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:34,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:35,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 22:22:35,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:35,286 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 [2024-11-08 22:22:35,341 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:22:35,343 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:22:35,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:22:38,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:22:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:39,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 23 states and 32 transitions. [2024-11-08 22:22:39,437 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-08 22:22:39,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:22:39,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:39,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:39,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:39,441 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:39,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:22:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:39,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:39,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 22:22:39,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:39,870 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 [2024-11-08 22:22:39,959 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 22:22:39,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:22:49,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.64s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:22:50,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:50,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 26 states and 37 transitions. [2024-11-08 22:22:50,343 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-08 22:22:50,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:22:50,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:50,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:50,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:50,348 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:50,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:22:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:50,471 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:50,500 WARN L253 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-08 22:22:50,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:50,832 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 [2024-11-08 22:22:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-08 22:22:50,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:22:52,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:22:53,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:53,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 29 states and 42 transitions. [2024-11-08 22:22:53,861 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-11-08 22:22:53,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:22:53,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:53,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:53,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:53,867 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:53,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:22:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:53,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:54,041 WARN L253 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-08 22:22:54,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:54,489 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 [2024-11-08 22:22:54,645 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-08 22:22:54,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 22:22:57,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:57,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 32 states and 47 transitions. [2024-11-08 22:22:57,728 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-11-08 22:22:57,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:22:57,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:57,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:57,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:57,731 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:57,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:22:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:57,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:57,892 WARN L253 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-08 22:22:57,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:58,443 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 [2024-11-08 22:22:58,575 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 22:22:58,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:23:01,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:23:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:03,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 35 states and 52 transitions. [2024-11-08 22:23:03,544 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2024-11-08 22:23:03,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 22:23:03,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:03,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:03,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:03,550 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:03,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:23:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:03,672 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:03,721 WARN L253 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-08 22:23:03,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:04,392 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 [2024-11-08 22:23:04,572 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-08 22:23:04,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 22:23:08,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:23:10,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:10,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 38 states and 57 transitions. [2024-11-08 22:23:10,652 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-11-08 22:23:10,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 22:23:10,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:10,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:10,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:10,656 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:10,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:23:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:10,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:10,856 WARN L253 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-11-08 22:23:10,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:11,595 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 [2024-11-08 22:23:11,805 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-08 22:23:11,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 22:23:16,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:23:19,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:19,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 41 states and 62 transitions. [2024-11-08 22:23:19,190 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2024-11-08 22:23:19,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 22:23:19,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:19,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:19,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:19,195 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:19,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:23:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:19,385 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:19,429 WARN L253 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-11-08 22:23:19,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:20,291 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 [2024-11-08 22:23:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-08 22:23:20,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 22:23:27,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:23:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 44 states and 67 transitions. [2024-11-08 22:23:31,921 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-08 22:23:31,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-08 22:23:31,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:31,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:31,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:31,925 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:31,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:23:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:32,091 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:32,134 WARN L253 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-08 22:23:32,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:33,155 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 [2024-11-08 22:23:33,489 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 22:23:33,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-08 22:23:40,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:23:46,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:46,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 47 states and 72 transitions. [2024-11-08 22:23:46,048 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 72 transitions. [2024-11-08 22:23:46,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-08 22:23:46,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:46,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:46,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:46,052 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:46,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:23:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:46,235 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:46,284 WARN L253 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-11-08 22:23:46,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:47,633 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 [2024-11-08 22:23:48,061 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-08 22:23:48,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 22:23:53,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:24:00,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:24:06,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:06,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 50 states and 77 transitions. [2024-11-08 22:24:06,652 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2024-11-08 22:24:06,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 22:24:06,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:06,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:06,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:06,655 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:06,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 22:24:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:06,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:06,909 WARN L253 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-11-08 22:24:06,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:08,514 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 [2024-11-08 22:24:09,021 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 179 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-08 22:24:09,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 22:24:18,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:24:25,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:25,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 53 states and 82 transitions. [2024-11-08 22:24:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2024-11-08 22:24:25,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 22:24:25,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:25,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:25,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:25,417 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:25,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 22:24:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:25,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:25,681 WARN L253 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 124 conjuncts are in the unsatisfiable core [2024-11-08 22:24:25,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:27,632 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 [2024-11-08 22:24:28,191 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-08 22:24:28,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-08 22:24:42,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:24:51,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:51,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 56 states and 87 transitions. [2024-11-08 22:24:51,067 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 87 transitions. [2024-11-08 22:24:51,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 22:24:51,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:51,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:51,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:51,072 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:51,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 22:24:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:51,294 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:51,349 WARN L253 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 133 conjuncts are in the unsatisfiable core [2024-11-08 22:24:51,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:53,738 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 [2024-11-08 22:24:54,418 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 237 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-08 22:24:54,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-08 22:25:03,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:25:11,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.38s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:25:18,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:25:21,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:21,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 59 states and 92 transitions. [2024-11-08 22:25:21,053 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 92 transitions. [2024-11-08 22:25:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 22:25:21,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:21,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:21,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:21,057 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:21,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 22:25:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:21,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:21,351 WARN L253 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 142 conjuncts are in the unsatisfiable core [2024-11-08 22:25:21,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:24,093 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 [2024-11-08 22:25:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 269 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-08 22:25:24,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-08 22:25:40,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:25:47,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:25:48,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:25:51,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:51,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 62 states and 97 transitions. [2024-11-08 22:25:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2024-11-08 22:25:51,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 22:25:51,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:51,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:51,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:51,417 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:51,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 22:25:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:51,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:51,727 WARN L253 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 151 conjuncts are in the unsatisfiable core [2024-11-08 22:25:51,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:54,772 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 [2024-11-08 22:25:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 303 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-11-08 22:25:55,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-08 22:26:07,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:26:09,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:26:14,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:26:22,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:26:24,145 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 [] [2024-11-08 22:26:27,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:27,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 65 states and 102 transitions. [2024-11-08 22:26:27,452 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2024-11-08 22:26:27,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 22:26:27,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:27,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:27,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:27,457 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:27,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 22:26:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:27,744 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:27,809 WARN L253 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 160 conjuncts are in the unsatisfiable core [2024-11-08 22:26:27,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:31,120 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 [2024-11-08 22:26:32,165 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 339 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-11-08 22:26:32,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-08 22:26:44,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:26:46,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:26:53,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:27:04,451 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 [] [2024-11-08 22:27:08,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:08,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 68 states and 107 transitions. [2024-11-08 22:27:08,163 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 107 transitions. [2024-11-08 22:27:08,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 22:27:08,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:08,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:08,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:08,167 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:08,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 22:27:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:08,477 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:08,544 WARN L253 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 169 conjuncts are in the unsatisfiable core [2024-11-08 22:27:08,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:12,383 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 [2024-11-08 22:27:13,766 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 377 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-11-08 22:27:13,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 22:27:28,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:27:30,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:27:37,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:27:45,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:27:46,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:27:48,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:27:53,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:53,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 71 states and 112 transitions. [2024-11-08 22:27:53,012 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 112 transitions. [2024-11-08 22:27:53,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 22:27:53,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:53,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:53,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:53,017 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:53,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 22:27:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:53,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:53,470 WARN L253 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 178 conjuncts are in the unsatisfiable core [2024-11-08 22:27:53,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:57,797 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 [2024-11-08 22:27:59,122 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 417 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-11-08 22:27:59,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-08 22:28:16,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:28:19,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:28:28,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:28:40,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:28:44,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:28:48,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:48,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 74 states and 117 transitions. [2024-11-08 22:28:48,619 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 117 transitions. [2024-11-08 22:28:48,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 22:28:48,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:48,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:28:48,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:28:48,624 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:28:48,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 22:28:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:48,997 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:28:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:49,069 WARN L253 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 187 conjuncts are in the unsatisfiable core [2024-11-08 22:28:49,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:28:54,292 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 [2024-11-08 22:28:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 459 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2024-11-08 22:28:55,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 22:29:17,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:29:26,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:29:37,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:29:42,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:29:48,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:48,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 77 states and 122 transitions. [2024-11-08 22:29:48,004 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2024-11-08 22:29:48,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-08 22:29:48,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:48,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:29:48,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:29:48,010 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:29:48,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 22:29:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:48,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:29:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:48,469 WARN L253 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 196 conjuncts are in the unsatisfiable core [2024-11-08 22:29:48,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:54,156 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 [2024-11-08 22:29:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 0 proven. 503 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2024-11-08 22:29:55,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-08 22:30:19,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:30:23,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:30:34,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:30:45,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:30:52,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:30:55,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:31:01,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:01,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 80 states and 127 transitions. [2024-11-08 22:31:01,246 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 127 transitions. [2024-11-08 22:31:01,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 22:31:01,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:01,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:31:01,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:31:01,252 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:31:01,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 22:31:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:01,628 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:31:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:01,708 WARN L253 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 205 conjuncts are in the unsatisfiable core [2024-11-08 22:31:01,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:31:07,775 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 [2024-11-08 22:31:09,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 549 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2024-11-08 22:31:09,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-08 22:31:32,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:31:33,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:31:35,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:31:46,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:32:01,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:32:04,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:32:11,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:11,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 83 states and 132 transitions. [2024-11-08 22:32:11,304 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2024-11-08 22:32:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-08 22:32:11,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:11,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:11,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:11,308 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:11,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 22:32:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:11,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:11,793 WARN L253 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 214 conjuncts are in the unsatisfiable core [2024-11-08 22:32:11,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:18,581 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 [2024-11-08 22:32:20,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 0 proven. 597 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 22:32:20,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:46,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:32:50,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:33:04,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:33:10,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:33:21,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:33:26,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:33:34,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 86 states and 137 transitions. [2024-11-08 22:33:34,014 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 137 transitions. [2024-11-08 22:33:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 22:33:34,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:34,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:34,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:34,018 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:34,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 22:33:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:34,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:34,560 WARN L253 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 223 conjuncts are in the unsatisfiable core [2024-11-08 22:33:34,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:42,292 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 [2024-11-08 22:33:44,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1476 backedges. 0 proven. 647 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2024-11-08 22:33:44,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-08 22:34:12,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:34:18,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:34:30,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:34:35,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:34:54,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:34:59,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:35:07,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:07,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 89 states and 142 transitions. [2024-11-08 22:35:07,501 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 142 transitions. [2024-11-08 22:35:07,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 22:35:07,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:07,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:07,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:07,503 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:07,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 22:35:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:07,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:08,064 WARN L253 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 232 conjuncts are in the unsatisfiable core [2024-11-08 22:35:08,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:17,689 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 [2024-11-08 22:35:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 699 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2024-11-08 22:35:20,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:52,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:35:56,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:36:01,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:36:20,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:36:22,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:36:29,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:36:55,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:37:02,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:37:12,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:12,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 92 states and 147 transitions. [2024-11-08 22:37:12,356 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 147 transitions. [2024-11-08 22:37:12,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 22:37:12,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:12,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:37:12,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:37:12,358 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:37:12,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 22:37:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:12,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:37:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:13,075 WARN L253 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 241 conjuncts are in the unsatisfiable core [2024-11-08 22:37:13,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:22,897 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 [2024-11-08 22:37:26,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 753 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2024-11-08 22:37:26,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab2892f-8e00-42bb-aad7-9913ab249ac1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0