./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.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_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3 --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 a7db00fa220927f51e1e342e06102a5d28a1c61268049ef86f9068e213c9adb5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:16:06,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:16:06,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:16:06,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:16:06,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:16:06,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:16:06,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:16:06,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:16:06,854 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:16:06,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:16:06,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:16:06,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:16:06,854 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:16:06,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:16:06,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:16:06,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:16:06,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:16:06,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:16:06,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:16:06,855 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:16:06,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:16:06,855 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:16:06,855 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:16:06,856 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:16:06,856 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:16:06,856 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:16:06,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:16:06,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:16:06,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:16:06,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:16:06,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:16:06,856 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:16:06,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:16:06,857 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_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3 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 -> a7db00fa220927f51e1e342e06102a5d28a1c61268049ef86f9068e213c9adb5 [2024-11-25 03:16:07,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:16:07,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:16:07,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:16:07,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:16:07,181 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:16:07,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c [2024-11-25 03:16:10,093 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/data/753a11850/859f02c5b8994c5c93180f4c7c2973b5/FLAGcc8224bca [2024-11-25 03:16:10,392 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:16:10,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c [2024-11-25 03:16:10,413 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/data/753a11850/859f02c5b8994c5c93180f4c7c2973b5/FLAGcc8224bca [2024-11-25 03:16:10,678 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/data/753a11850/859f02c5b8994c5c93180f4c7c2973b5 [2024-11-25 03:16:10,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:16:10,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:16:10,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:16:10,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:16:10,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:16:10,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:16:10" (1/1) ... [2024-11-25 03:16:10,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72bf707b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:10, skipping insertion in model container [2024-11-25 03:16:10,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:16:10" (1/1) ... [2024-11-25 03:16:10,704 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:16:10,850 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c[458,471] [2024-11-25 03:16:10,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:16:10,887 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:16:10,902 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_28881ec7-b5f0-4b9c-9601-4fe544aa201a/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c[458,471] [2024-11-25 03:16:10,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:16:10,927 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:16:10,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:10 WrapperNode [2024-11-25 03:16:10,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:16:10,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:16:10,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:16:10,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:16:10,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:10" (1/1) ... [2024-11-25 03:16:10,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:10" (1/1) ... [2024-11-25 03:16:10,966 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-11-25 03:16:10,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:16:10,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:16:10,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:16:10,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:16:10,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:10" (1/1) ... [2024-11-25 03:16:10,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:10" (1/1) ... [2024-11-25 03:16:10,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:10" (1/1) ... [2024-11-25 03:16:10,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:10" (1/1) ... [2024-11-25 03:16:10,983 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:10" (1/1) ... [2024-11-25 03:16:10,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:10" (1/1) ... [2024-11-25 03:16:10,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:10" (1/1) ... [2024-11-25 03:16:10,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:10" (1/1) ... [2024-11-25 03:16:10,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:10" (1/1) ... [2024-11-25 03:16:10,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:16:11,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:16:11,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:16:11,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:16:11,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:10" (1/1) ... [2024-11-25 03:16:11,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:16:11,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:16:11,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:16:11,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:16:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:16:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:16:11,074 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:16:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:16:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:16:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:16:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:16:11,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:16:11,141 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:16:11,143 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:16:11,313 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 03:16:11,313 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:16:11,355 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:16:11,359 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:16:11,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:16:11 BoogieIcfgContainer [2024-11-25 03:16:11,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:16:11,360 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:16:11,361 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:16:11,371 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:16:11,372 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:16:11" (1/1) ... [2024-11-25 03:16:11,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:16:11,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:11,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-25 03:16:11,444 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-25 03:16:11,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:16:11,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:11,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:16:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:16:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:11,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:16:11,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:16:11,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:16:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:11,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-25 03:16:11,904 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-25 03:16:11,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:16:11,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:11,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:16:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:12,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:16:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-25 03:16:12,791 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-25 03:16:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:16:12,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:12,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:16:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:16:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:12,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 03:16:12,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:16:13,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:16:16,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:16:16,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:16,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-25 03:16:16,614 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-25 03:16:16,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:16:16,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:16,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:16:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:16:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:16,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:16:16,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:16:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 03:16:16,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-25 03:16:16,806 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-25 03:16:16,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 03:16:16,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:16,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:16:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:16:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:16,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 03:16:16,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:16:16,996 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-25 03:16:20,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:16:20,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:20,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 03:16:20,536 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 03:16:20,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:16:20,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:20,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:16:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:16:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:20,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:16:20,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:16:20,756 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:16:21,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:21,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2024-11-25 03:16:21,471 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-11-25 03:16:21,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 03:16:21,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:21,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:16:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:16:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:21,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 03:16:21,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:16:21,771 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 03:16:25,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:16:25,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-11-25 03:16:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-11-25 03:16:25,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 03:16:25,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:25,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:16:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:16:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:25,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 03:16:25,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:16:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 03:16:26,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:26,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-11-25 03:16:26,597 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-11-25 03:16:26,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:16:26,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:26,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:16:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:16:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:26,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:16:26,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:16:26,904 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-25 03:16:30,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:16:30,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:30,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2024-11-25 03:16:30,593 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-11-25 03:16:30,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 03:16:30,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:30,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:16:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:16:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:30,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 03:16:30,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:16:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 03:16:32,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:32,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 03:16:32,029 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 03:16:32,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 03:16:32,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:32,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:16:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:16:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:32,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-25 03:16:32,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:16:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 03:16:32,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:32,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 92 transitions. [2024-11-25 03:16:32,794 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2024-11-25 03:16:32,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:16:32,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:32,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:16:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:16:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:32,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 03:16:32,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:16:33,100 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 11 proven. 36 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-25 03:16:34,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:34,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-11-25 03:16:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-11-25 03:16:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 03:16:34,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:34,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:16:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:16:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:16:44,546 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) [2024-11-25 03:16:44,550 INFO L158 Benchmark]: Toolchain (without parser) took 33868.53ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 119.2MB in the beginning and 126.5MB in the end (delta: -7.2MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-11-25 03:16:44,551 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:16:44,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.19ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 108.0MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:16:44,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.17ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:16:44,552 INFO L158 Benchmark]: Boogie Preprocessor took 32.78ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.1MB in the end (delta: 625.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:16:44,552 INFO L158 Benchmark]: RCFGBuilder took 359.75ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 94.5MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:16:44,553 INFO L158 Benchmark]: CodeCheck took 33189.08ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 94.5MB in the beginning and 126.5MB in the end (delta: -32.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:16:44,555 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.19ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 108.0MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.17ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.78ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.1MB in the end (delta: 625.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 359.75ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 94.5MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 33189.08ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 94.5MB in the beginning and 126.5MB in the end (delta: -32.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:16:44,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3 --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 a7db00fa220927f51e1e342e06102a5d28a1c61268049ef86f9068e213c9adb5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:16:47,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:16:47,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:16:47,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:16:47,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:16:47,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:16:47,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:16:47,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:16:47,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:16:47,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:16:47,266 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:16:47,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:16:47,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:16:47,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:16:47,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:16:47,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:16:47,268 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:16:47,268 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:16:47,268 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:16:47,268 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:16:47,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:16:47,268 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:16:47,268 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:16:47,269 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:16:47,269 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:16:47,269 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:16:47,269 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:16:47,269 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:16:47,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:16:47,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:16:47,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:16:47,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:16:47,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:16:47,269 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:16:47,270 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:16:47,270 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:16:47,270 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_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3 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 -> a7db00fa220927f51e1e342e06102a5d28a1c61268049ef86f9068e213c9adb5 [2024-11-25 03:16:47,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:16:47,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:16:47,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:16:47,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:16:47,646 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:16:47,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c [2024-11-25 03:16:50,631 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/data/6ec1c21db/5e65fc98308340f29a2c01876be08e55/FLAG984c20920 [2024-11-25 03:16:50,866 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:16:50,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c [2024-11-25 03:16:50,874 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/data/6ec1c21db/5e65fc98308340f29a2c01876be08e55/FLAG984c20920 [2024-11-25 03:16:50,887 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/data/6ec1c21db/5e65fc98308340f29a2c01876be08e55 [2024-11-25 03:16:50,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:16:50,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:16:50,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:16:50,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:16:50,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:16:50,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:16:50" (1/1) ... [2024-11-25 03:16:50,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350073f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:50, skipping insertion in model container [2024-11-25 03:16:50,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:16:50" (1/1) ... [2024-11-25 03:16:50,912 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:16:51,097 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_28881ec7-b5f0-4b9c-9601-4fe544aa201a/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c[458,471] [2024-11-25 03:16:51,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:16:51,145 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:16:51,159 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_28881ec7-b5f0-4b9c-9601-4fe544aa201a/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c[458,471] [2024-11-25 03:16:51,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:16:51,198 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:16:51,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:51 WrapperNode [2024-11-25 03:16:51,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:16:51,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:16:51,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:16:51,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:16:51,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:51" (1/1) ... [2024-11-25 03:16:51,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:51" (1/1) ... [2024-11-25 03:16:51,235 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-11-25 03:16:51,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:16:51,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:16:51,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:16:51,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:16:51,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:51" (1/1) ... [2024-11-25 03:16:51,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:51" (1/1) ... [2024-11-25 03:16:51,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:51" (1/1) ... [2024-11-25 03:16:51,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:51" (1/1) ... [2024-11-25 03:16:51,262 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:51" (1/1) ... [2024-11-25 03:16:51,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:51" (1/1) ... [2024-11-25 03:16:51,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:51" (1/1) ... [2024-11-25 03:16:51,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:51" (1/1) ... [2024-11-25 03:16:51,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:51" (1/1) ... [2024-11-25 03:16:51,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:16:51,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:16:51,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:16:51,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:16:51,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:16:51" (1/1) ... [2024-11-25 03:16:51,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:16:51,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:16:51,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:16:51,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:16:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:16:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:16:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:16:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:16:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:16:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:16:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:16:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:16:51,448 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:16:51,451 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:16:51,812 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 03:16:51,812 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:16:51,846 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:16:51,847 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:16:51,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:16:51 BoogieIcfgContainer [2024-11-25 03:16:51,847 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:16:51,848 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:16:51,848 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:16:51,860 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:16:51,860 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:16:51" (1/1) ... [2024-11-25 03:16:51,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:16:51,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:51,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-25 03:16:51,928 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-25 03:16:51,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:16:51,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:51,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:16:51,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:16:51,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:16:51,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:16:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:52,037 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:16:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:52,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:16:52,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:16:52,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:16:52,519 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:16:52,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:16:54,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:54,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-25 03:16:54,037 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-25 03:16:54,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:16:54,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:54,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:16:54,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:16:54,042 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:16:54,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:16:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:54,581 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:16:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:54,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:16:54,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:17:09,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:17:09,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:17:30,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:17:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-11-25 03:17:30,531 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-25 03:17:30,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:17:30,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:17:30,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:17:30,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:17:30,536 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:17:30,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:17:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:17:31,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:17:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:17:31,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:17:31,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:17:32,455 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:17:32,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 03:18:04,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:18:04,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-25 03:18:04,130 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-25 03:18:04,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:18:04,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:18:04,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:18:04,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:18:04,133 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:18:04,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:18:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:04,568 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:18:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:04,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:18:04,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:18:07,312 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 03:18:07,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 03:18:57,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:18:57,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 51 transitions. [2024-11-25 03:18:57,282 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-11-25 03:18:57,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 03:18:57,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:18:57,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:18:57,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:18:57,288 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:18:57,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:18:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:58,517 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:18:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:59,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 03:18:59,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:19:00,375 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:19:00,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 03:19:47,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:19:49,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:49,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 55 transitions. [2024-11-25 03:19:49,484 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-25 03:19:49,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:19:49,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:49,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:19:49,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:19:49,488 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:19:49,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:19:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:50,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:19:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:50,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 03:19:50,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:19:54,767 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:19:54,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 03:21:05,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:05,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 71 transitions. [2024-11-25 03:21:05,209 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2024-11-25 03:21:05,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 03:21:05,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:05,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:05,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:05,213 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:05,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:21:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:07,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:07,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 03:21:07,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:09,003 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-25 03:21:09,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 03:22:10,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 75 transitions. [2024-11-25 03:22:10,364 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2024-11-25 03:22:10,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 03:22:10,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:10,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:22:10,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:22:10,372 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:22:10,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 03:22:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:11,935 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:22:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:12,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 03:22:12,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:22:16,767 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 03:22:16,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 03:23:34,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:23:34,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 86 transitions. [2024-11-25 03:23:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-11-25 03:23:34,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:23:34,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:23:34,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:23:34,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:23:34,934 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:23:34,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 03:23:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:23:36,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:23:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:23:37,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 03:23:37,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:23:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 19 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-25 03:23:40,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 03:24:27,369 WARN L286 SmtUtils]: Spent 6.36s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:24:52,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:24:52,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 90 transitions. [2024-11-25 03:24:52,158 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2024-11-25 03:24:52,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 03:24:52,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:24:52,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:24:52,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:24:52,163 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:24:52,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 03:24:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:24:53,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:24:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:24:54,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:24:54,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:24:59,151 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-25 03:24:59,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 03:26:24,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:26:24,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 101 transitions. [2024-11-25 03:26:24,870 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2024-11-25 03:26:24,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 03:26:24,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:26:24,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:26:24,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:26:24,875 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:26:24,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 03:26:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:26:27,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:26:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:26:28,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 03:26:28,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:26:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 25 proven. 29 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-25 03:26:31,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 03:26:51,922 WARN L286 SmtUtils]: Spent 6.16s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:27:23,201 WARN L286 SmtUtils]: Spent 6.15s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:27:25,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:27:51,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:27:54,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:54,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 105 transitions. [2024-11-25 03:27:54,852 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2024-11-25 03:27:54,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:27:54,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:54,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:27:54,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:27:54,859 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:27:54,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 03:27:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:56,982 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:27:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:57,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:27:57,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:07,244 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-25 03:28:07,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 03:29:03,755 WARN L286 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:30:03,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:03,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 57 states and 116 transitions. [2024-11-25 03:30:03,887 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2024-11-25 03:30:03,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 03:30:03,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:03,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:03,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:30:03,891 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:30:03,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 03:30:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:07,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:30:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:08,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-25 03:30:08,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:30:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 32 proven. 41 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-25 03:30:12,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28881ec7-b5f0-4b9c-9601-4fe544aa201a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 03:30:40,795 WARN L286 SmtUtils]: Spent 9.11s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:31:11,899 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)