./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9beb51effdee82b4310134cb32d53e13605899018e09b96f9d653f317c559bb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:46:27,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:46:27,159 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:46:27,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:46:27,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:46:27,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:46:27,184 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:46:27,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:46:27,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:46:27,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:46:27,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:46:27,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:46:27,185 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:46:27,185 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:46:27,185 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:46:27,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:46:27,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:46:27,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:46:27,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:46:27,186 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:46:27,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:46:27,186 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:46:27,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:46:27,186 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:46:27,186 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:46:27,186 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:46:27,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:46:27,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:46:27,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:46:27,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:46:27,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:46:27,187 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:46:27,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:46:27,187 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9beb51effdee82b4310134cb32d53e13605899018e09b96f9d653f317c559bb [2024-12-06 01:46:27,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:46:27,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:46:27,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:46:27,434 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:46:27,435 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:46:27,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c [2024-12-06 01:46:30,097 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/data/27f9902bb/77949cf470f0432d992448eca4a30533/FLAGb4ca94414 [2024-12-06 01:46:30,288 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:46:30,289 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c [2024-12-06 01:46:30,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/data/27f9902bb/77949cf470f0432d992448eca4a30533/FLAGb4ca94414 [2024-12-06 01:46:30,645 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/data/27f9902bb/77949cf470f0432d992448eca4a30533 [2024-12-06 01:46:30,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:46:30,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:46:30,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:46:30,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:46:30,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:46:30,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:46:30" (1/1) ... [2024-12-06 01:46:30,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554cb43e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:30, skipping insertion in model container [2024-12-06 01:46:30,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:46:30" (1/1) ... [2024-12-06 01:46:30,664 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:46:30,770 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_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2024-12-06 01:46:30,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:46:30,796 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:46:30,806 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_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2024-12-06 01:46:30,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:46:30,828 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:46:30,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:30 WrapperNode [2024-12-06 01:46:30,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:46:30,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:46:30,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:46:30,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:46:30,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:30" (1/1) ... [2024-12-06 01:46:30,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:30" (1/1) ... [2024-12-06 01:46:30,857 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-12-06 01:46:30,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:46:30,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:46:30,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:46:30,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:46:30,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:30" (1/1) ... [2024-12-06 01:46:30,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:30" (1/1) ... [2024-12-06 01:46:30,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:30" (1/1) ... [2024-12-06 01:46:30,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:30" (1/1) ... [2024-12-06 01:46:30,870 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:30" (1/1) ... [2024-12-06 01:46:30,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:30" (1/1) ... [2024-12-06 01:46:30,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:30" (1/1) ... [2024-12-06 01:46:30,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:30" (1/1) ... [2024-12-06 01:46:30,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:30" (1/1) ... [2024-12-06 01:46:30,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:46:30,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:46:30,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:46:30,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:46:30,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:30" (1/1) ... [2024-12-06 01:46:30,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:46:30,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:46:30,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:46:30,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:46:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:46:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:46:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:46:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:46:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:46:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:46:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:46:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:46:30,992 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:46:30,994 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:46:31,141 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 01:46:31,141 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:46:31,169 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:46:31,169 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 01:46:31,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:46:31 BoogieIcfgContainer [2024-12-06 01:46:31,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:46:31,170 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:46:31,170 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:46:31,180 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:46:31,180 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:46:31" (1/1) ... [2024-12-06 01:46:31,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:46:31,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:31,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-12-06 01:46:31,237 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-12-06 01:46:31,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 01:46:31,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:31,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:46:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:46:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:31,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:46:31,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:46:31,568 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 01:46:31,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:31,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2024-12-06 01:46:31,675 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-12-06 01:46:31,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:46:31,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:31,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:46:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:46:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:46:41,773 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:46:41,776 INFO L158 Benchmark]: Toolchain (without parser) took 11128.03ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 114.8MB in the end (delta: 3.6MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2024-12-06 01:46:41,776 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:46:41,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.89ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 106.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:46:41,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.48ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:46:41,777 INFO L158 Benchmark]: Boogie Preprocessor took 19.24ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.6MB in the end (delta: 934.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:46:41,777 INFO L158 Benchmark]: RCFGBuilder took 291.37ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 91.8MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:46:41,778 INFO L158 Benchmark]: CodeCheck took 10605.06ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 114.8MB in the end (delta: -23.3MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-12-06 01:46:41,779 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 179.89ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 106.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.48ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.24ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.6MB in the end (delta: 934.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 291.37ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 91.8MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10605.06ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 114.8MB in the end (delta: -23.3MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:46:41,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9beb51effdee82b4310134cb32d53e13605899018e09b96f9d653f317c559bb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:46:43,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:46:43,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:46:43,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:46:43,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:46:43,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:46:43,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:46:43,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:46:43,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:46:43,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:46:43,997 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:46:43,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:46:43,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:46:43,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:46:43,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:46:43,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:46:43,998 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:46:43,998 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:46:43,998 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:46:43,998 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:46:43,998 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:46:43,998 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:46:43,999 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:46:43,999 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:46:43,999 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:46:43,999 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:46:43,999 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:46:43,999 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:46:43,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:46:43,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:46:44,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:46:44,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:46:44,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:46:44,000 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:46:44,000 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:46:44,000 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:46:44,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9beb51effdee82b4310134cb32d53e13605899018e09b96f9d653f317c559bb [2024-12-06 01:46:44,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:46:44,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:46:44,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:46:44,262 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:46:44,263 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:46:44,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c [2024-12-06 01:46:47,068 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/data/6e3e0fc8c/6c317cdf96c84abe8d182c0fe20ad6d2/FLAG444d520a2 [2024-12-06 01:46:47,247 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:46:47,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c [2024-12-06 01:46:47,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/data/6e3e0fc8c/6c317cdf96c84abe8d182c0fe20ad6d2/FLAG444d520a2 [2024-12-06 01:46:47,277 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/data/6e3e0fc8c/6c317cdf96c84abe8d182c0fe20ad6d2 [2024-12-06 01:46:47,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:46:47,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:46:47,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:46:47,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:46:47,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:46:47,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:46:47" (1/1) ... [2024-12-06 01:46:47,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7cd2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:47, skipping insertion in model container [2024-12-06 01:46:47,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:46:47" (1/1) ... [2024-12-06 01:46:47,306 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:46:47,473 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_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2024-12-06 01:46:47,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:46:47,510 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:46:47,524 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_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2024-12-06 01:46:47,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:46:47,549 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:46:47,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:47 WrapperNode [2024-12-06 01:46:47,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:46:47,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:46:47,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:46:47,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:46:47,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:47" (1/1) ... [2024-12-06 01:46:47,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:47" (1/1) ... [2024-12-06 01:46:47,586 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-12-06 01:46:47,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:46:47,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:46:47,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:46:47,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:46:47,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:47" (1/1) ... [2024-12-06 01:46:47,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:47" (1/1) ... [2024-12-06 01:46:47,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:47" (1/1) ... [2024-12-06 01:46:47,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:47" (1/1) ... [2024-12-06 01:46:47,605 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:47" (1/1) ... [2024-12-06 01:46:47,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:47" (1/1) ... [2024-12-06 01:46:47,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:47" (1/1) ... [2024-12-06 01:46:47,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:47" (1/1) ... [2024-12-06 01:46:47,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:47" (1/1) ... [2024-12-06 01:46:47,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:46:47,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:46:47,618 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:46:47,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:46:47,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:47" (1/1) ... [2024-12-06 01:46:47,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:46:47,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:46:47,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:46:47,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:46:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:46:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:46:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:46:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:46:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:46:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:46:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:46:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:46:47,773 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:46:47,775 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:46:47,963 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 01:46:47,963 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:46:48,004 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:46:48,004 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 01:46:48,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:46:48 BoogieIcfgContainer [2024-12-06 01:46:48,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:46:48,005 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:46:48,005 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:46:48,015 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:46:48,015 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:46:48" (1/1) ... [2024-12-06 01:46:48,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:46:48,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:48,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-12-06 01:46:48,071 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-12-06 01:46:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 01:46:48,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:48,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:46:48,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:46:48,079 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:46:48,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:46:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:48,225 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:46:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:48,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 01:46:48,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:46:48,575 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 01:46:48,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:46:49,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:49,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 49 transitions. [2024-12-06 01:46:49,128 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-12-06 01:46:49,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:46:49,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:49,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:46:49,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:46:49,133 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:46:49,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:46:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:49,285 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:46:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:49,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 01:46:49,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:46:49,799 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-06 01:46:49,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:46:50,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:50,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 35 states and 63 transitions. [2024-12-06 01:46:50,791 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2024-12-06 01:46:50,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:46:50,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:50,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:46:50,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:46:50,800 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:46:50,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:46:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:50,908 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:46:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:50,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:46:50,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:46:52,644 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 01:46:52,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 01:46:54,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:54,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 66 transitions. [2024-12-06 01:46:54,146 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2024-12-06 01:46:54,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 01:46:54,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:54,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:46:54,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:46:54,149 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:46:54,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:46:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:54,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:46:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:54,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:46:54,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:46:54,292 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 01:46:54,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:46:54,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:54,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 37 states and 68 transitions. [2024-12-06 01:46:54,812 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2024-12-06 01:46:54,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 01:46:54,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:54,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:46:54,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:46:54,815 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:46:54,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:46:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:54,879 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:46:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:54,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:46:54,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:46:56,822 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-06 01:46:56,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 01:47:08,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:47:09,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:47:09,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 39 states and 72 transitions. [2024-12-06 01:47:09,114 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2024-12-06 01:47:09,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 01:47:09,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:47:09,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:47:09,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:47:09,118 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:47:09,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:47:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:09,267 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:47:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:09,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 01:47:09,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:47:10,002 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-06 01:47:10,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 01:47:23,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:47:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:47:27,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 41 states and 78 transitions. [2024-12-06 01:47:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 78 transitions. [2024-12-06 01:47:27,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 01:47:27,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:47:27,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:47:27,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:47:27,202 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:47:27,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:47:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:27,269 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:47:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:27,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:47:27,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:47:28,072 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 01:47:28,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 01:47:38,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:47:48,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:48:02,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:48:02,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:02,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 43 states and 81 transitions. [2024-12-06 01:48:02,699 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2024-12-06 01:48:02,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 01:48:02,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:02,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:48:02,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:48:02,702 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:48:02,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 01:48:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:02,943 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:48:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:03,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 01:48:03,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:48:03,643 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 01:48:03,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 01:48:13,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:48:24,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:48:24,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:24,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 45 states and 87 transitions. [2024-12-06 01:48:24,950 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2024-12-06 01:48:24,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 01:48:24,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:24,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:48:24,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:48:24,954 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:48:24,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 01:48:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:25,178 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:48:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:25,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 01:48:25,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:48:27,491 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-06 01:48:27,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 01:48:44,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:48:49,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:49,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 51 states and 100 transitions. [2024-12-06 01:48:49,255 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 100 transitions. [2024-12-06 01:48:49,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 01:48:49,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:49,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:48:49,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:48:49,258 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:48:49,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 01:48:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:49,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:48:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:49,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 01:48:49,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:48:50,661 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 01:48:50,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 01:49:05,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:49:16,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:49:16,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:16,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 53 states and 105 transitions. [2024-12-06 01:49:16,949 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2024-12-06 01:49:16,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 01:49:16,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:16,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:49:16,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:49:16,952 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:49:16,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 01:49:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:17,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:49:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:17,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 01:49:17,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:18,501 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 13 proven. 18 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 01:49:18,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 01:49:32,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:49:44,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:49:45,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 55 states and 110 transitions. [2024-12-06 01:49:45,426 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 110 transitions. [2024-12-06 01:49:45,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 01:49:45,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:45,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:49:45,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:49:45,428 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:49:45,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 01:49:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:45,689 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:49:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:45,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 01:49:45,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:48,143 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 16 proven. 21 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 01:49:48,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 01:50:04,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:50:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 57 states and 115 transitions. [2024-12-06 01:50:11,665 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 115 transitions. [2024-12-06 01:50:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 01:50:11,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:11,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:50:11,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:50:11,669 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:50:11,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 01:50:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:11,848 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:50:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:11,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 01:50:11,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:50:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 01:50:13,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 01:50:18,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:18,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 60 states and 122 transitions. [2024-12-06 01:50:18,043 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 122 transitions. [2024-12-06 01:50:18,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 01:50:18,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:18,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:50:18,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:50:18,047 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:50:18,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 01:50:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:18,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:50:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:18,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 01:50:18,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:50:20,259 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 23 proven. 22 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 01:50:20,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 01:50:37,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:50:47,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:50:49,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:49,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 62 states and 127 transitions. [2024-12-06 01:50:49,015 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 127 transitions. [2024-12-06 01:50:49,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 01:50:49,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:49,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:50:49,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:50:49,019 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:50:49,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 01:50:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:49,160 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:50:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:49,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 01:50:49,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:50:51,078 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 25 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 01:50:51,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 01:51:00,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:51:00,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 67 states and 138 transitions. [2024-12-06 01:51:00,782 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 138 transitions. [2024-12-06 01:51:00,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 01:51:00,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:51:00,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:51:00,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:51:00,785 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:51:00,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 01:51:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:01,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:51:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:01,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 01:51:01,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:51:04,123 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 01:51:04,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 01:51:19,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:51:30,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:51:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:51:32,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 69 states and 143 transitions. [2024-12-06 01:51:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 143 transitions. [2024-12-06 01:51:32,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 01:51:32,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:51:32,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:51:32,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:51:32,500 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:51:32,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 01:51:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:32,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:51:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:32,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 01:51:32,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:51:36,086 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 24 proven. 19 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 01:51:36,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 01:51:53,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:52:05,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:52:07,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:52:07,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 71 states and 148 transitions. [2024-12-06 01:52:07,945 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 148 transitions. [2024-12-06 01:52:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 01:52:07,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:52:07,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:52:07,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:52:07,947 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:52:07,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 01:52:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:08,205 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:52:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:08,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 01:52:08,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:52:14,541 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 18 proven. 25 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-12-06 01:52:14,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 01:52:31,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:52:40,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:52:40,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 73 states and 153 transitions. [2024-12-06 01:52:40,465 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 153 transitions. [2024-12-06 01:52:40,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 01:52:40,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:52:40,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:52:40,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:52:40,469 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:52:40,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 01:52:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:40,544 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:52:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:40,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:52:40,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:52:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-12-06 01:52:40,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 01:52:42,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:52:42,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 73 states and 152 transitions. [2024-12-06 01:52:42,341 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 152 transitions. [2024-12-06 01:52:42,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 01:52:42,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:52:42,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:52:42,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:52:42,344 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:52:42,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 01:52:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:42,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:52:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:42,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:52:42,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:52:42,463 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-12-06 01:52:42,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 01:52:44,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:52:44,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 73 states and 151 transitions. [2024-12-06 01:52:44,447 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 151 transitions. [2024-12-06 01:52:44,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 01:52:44,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:52:44,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:52:44,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:52:44,450 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:52:44,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 01:52:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:44,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:52:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:44,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 01:52:44,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:52:49,441 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 20 proven. 32 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 01:52:49,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 01:53:09,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:53:22,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:22,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 75 states and 157 transitions. [2024-12-06 01:53:22,490 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 157 transitions. [2024-12-06 01:53:22,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 01:53:22,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:22,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:22,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:22,492 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:22,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 01:53:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:22,722 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:22,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 01:53:22,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 25 proven. 30 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-06 01:53:25,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 01:53:33,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:33,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 78 states and 164 transitions. [2024-12-06 01:53:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 164 transitions. [2024-12-06 01:53:33,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 01:53:33,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:33,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:33,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:33,855 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:33,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 01:53:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:34,112 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:34,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 01:53:34,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:36,802 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 28 proven. 34 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-06 01:53:36,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 01:53:56,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:54:07,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:54:08,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:08,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 80 states and 170 transitions. [2024-12-06 01:54:08,307 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 170 transitions. [2024-12-06 01:54:08,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 01:54:08,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:08,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:08,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:08,310 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:08,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 01:54:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:08,541 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:08,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 01:54:08,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:13,083 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 22 proven. 31 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-06 01:54:13,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 01:54:29,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:29,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 83 states and 177 transitions. [2024-12-06 01:54:29,484 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 177 transitions. [2024-12-06 01:54:29,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 01:54:29,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:29,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:29,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:29,486 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:29,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 01:54:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:29,934 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:30,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 01:54:30,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-06 01:54:36,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 01:54:56,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:55:07,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:55:10,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:55:10,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 85 states and 182 transitions. [2024-12-06 01:55:10,278 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 182 transitions. [2024-12-06 01:55:10,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 01:55:10,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:55:10,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:55:10,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:55:10,280 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:55:10,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 01:55:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:10,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:55:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:10,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 01:55:10,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:55:16,257 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 19 proven. 36 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-06 01:55:16,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 01:55:41,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:55:41,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 90 states and 192 transitions. [2024-12-06 01:55:41,277 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 192 transitions. [2024-12-06 01:55:41,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 01:55:41,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:55:41,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:55:41,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:55:41,280 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:55:41,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 01:55:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:41,630 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:55:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:41,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 01:55:41,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:55:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 29 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-06 01:55:45,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 01:56:08,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.10s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:56:24,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:56:35,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:56:36,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:36,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 92 states and 199 transitions. [2024-12-06 01:56:36,769 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 199 transitions. [2024-12-06 01:56:36,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 01:56:36,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:36,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:56:36,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:56:36,772 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:56:36,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 01:56:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:37,113 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:56:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:37,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 01:56:37,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:56:48,298 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 35 proven. 34 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 01:56:48,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-12-06 01:57:19,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:57:42,106 WARN L286 SmtUtils]: Spent 5.35s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:58:04,888 WARN L286 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:58:07,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:58:07,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 94 states and 210 transitions. [2024-12-06 01:58:07,235 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 210 transitions. [2024-12-06 01:58:07,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-06 01:58:07,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:58:07,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:58:07,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:58:07,238 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:58:07,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 01:58:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:58:07,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:58:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:58:07,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:58:07,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:58:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-06 01:58:07,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-12-06 01:58:10,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:58:10,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 94 states and 209 transitions. [2024-12-06 01:58:10,400 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 209 transitions. [2024-12-06 01:58:10,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-06 01:58:10,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:58:10,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:58:10,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:58:10,402 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:58:10,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 01:58:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:58:10,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:58:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:58:10,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:58:10,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:58:10,549 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 01:58:10,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 01:58:15,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:58:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 94 states and 208 transitions. [2024-12-06 01:58:15,941 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 208 transitions. [2024-12-06 01:58:15,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-06 01:58:15,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:58:15,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:58:15,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:58:15,944 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:58:15,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 01:58:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:58:16,006 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:58:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:58:16,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:58:16,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:58:16,120 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-06 01:58:16,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 01:58:18,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:58:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 94 states and 207 transitions. [2024-12-06 01:58:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 207 transitions. [2024-12-06 01:58:18,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 01:58:18,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:58:18,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:58:18,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:58:18,247 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:58:18,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 01:58:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:58:18,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:58:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:58:18,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 01:58:18,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:58:31,128 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 33 proven. 38 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-12-06 01:58:31,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 01:58:51,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:59:19,823 WARN L286 SmtUtils]: Spent 7.03s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:59:51,792 WARN L286 SmtUtils]: Spent 6.41s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:59:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:59:59,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 96 states and 213 transitions. [2024-12-06 01:59:59,703 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 213 transitions. [2024-12-06 01:59:59,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 01:59:59,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:59:59,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:59:59,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:59:59,706 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:59:59,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 01:59:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:59:59,987 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:00:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:00:00,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 02:00:00,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:00:06,446 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 25 proven. 39 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-06 02:00:06,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-12-06 02:00:30,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:00:49,901 WARN L286 SmtUtils]: Spent 9.10s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:01:15,267 WARN L286 SmtUtils]: Spent 8.78s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:01:20,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:20,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 98 states and 219 transitions. [2024-12-06 02:01:20,384 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 219 transitions. [2024-12-06 02:01:20,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 02:01:20,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:20,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:01:20,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:01:20,387 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:01:20,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 02:01:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:20,642 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:01:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:20,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 02:01:20,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:01:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-12-06 02:01:32,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a71b8ed-6951-4d21-8cf1-d20c01bee7f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0