./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eb904c0981d69b458d5d2831cb1cef4022d2f4fca573c75928a054243d001b7a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:31:59,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:31:59,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 22:31:59,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:31:59,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:31:59,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:31:59,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:31:59,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:31:59,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:31:59,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:31:59,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:31:59,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:31:59,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:31:59,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:31:59,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:31:59,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:31:59,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:31:59,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:31:59,845 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:31:59,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:31:59,846 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:31:59,846 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:31:59,846 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:31:59,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:31:59,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:31:59,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:31:59,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:31:59,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:31:59,846 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:31:59,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:31:59,846 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_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb904c0981d69b458d5d2831cb1cef4022d2f4fca573c75928a054243d001b7a [2024-12-05 22:32:00,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:32:00,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:32:00,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:32:00,094 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:32:00,094 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:32:00,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c [2024-12-05 22:32:02,744 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/data/6943c65bc/f247615be2e743bb854e5e4a91658ef8/FLAGdedfedcb8 [2024-12-05 22:32:02,998 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:32:02,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c [2024-12-05 22:32:03,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/data/6943c65bc/f247615be2e743bb854e5e4a91658ef8/FLAGdedfedcb8 [2024-12-05 22:32:03,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/data/6943c65bc/f247615be2e743bb854e5e4a91658ef8 [2024-12-05 22:32:03,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:32:03,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:32:03,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:32:03,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:32:03,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:32:03,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:32:03" (1/1) ... [2024-12-05 22:32:03,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc14961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:03, skipping insertion in model container [2024-12-05 22:32:03,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:32:03" (1/1) ... [2024-12-05 22:32:03,070 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:32:03,221 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_1799da53-a088-4d41-a48e-b56e8b109854/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c[1268,1281] [2024-12-05 22:32:03,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:32:03,458 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:32:03,465 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_1799da53-a088-4d41-a48e-b56e8b109854/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c[1268,1281] [2024-12-05 22:32:03,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:32:03,597 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:32:03,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:03 WrapperNode [2024-12-05 22:32:03,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:32:03,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:32:03,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:32:03,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:32:03,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:03" (1/1) ... [2024-12-05 22:32:03,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:03" (1/1) ... [2024-12-05 22:32:03,920 INFO L138 Inliner]: procedures = 18, calls = 107, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3714 [2024-12-05 22:32:03,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:32:03,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:32:03,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:32:03,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:32:03,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:03" (1/1) ... [2024-12-05 22:32:03,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:03" (1/1) ... [2024-12-05 22:32:03,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:03" (1/1) ... [2024-12-05 22:32:03,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:03" (1/1) ... [2024-12-05 22:32:04,077 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:03" (1/1) ... [2024-12-05 22:32:04,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:03" (1/1) ... [2024-12-05 22:32:04,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:03" (1/1) ... [2024-12-05 22:32:04,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:03" (1/1) ... [2024-12-05 22:32:04,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:03" (1/1) ... [2024-12-05 22:32:04,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:32:04,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:32:04,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:32:04,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:32:04,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:03" (1/1) ... [2024-12-05 22:32:04,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:32:04,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:32:04,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:32:04,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:32:04,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:32:04,257 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:32:04,257 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:32:04,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:32:04,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:32:04,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:32:04,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:32:04,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:32:04,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:32:04,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:32:04,563 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:32:04,565 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:32:07,826 INFO L? ?]: Removed 1909 outVars from TransFormulas that were not future-live. [2024-12-05 22:32:07,826 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:32:10,881 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:32:10,882 INFO L312 CfgBuilder]: Removed 19 assume(true) statements. [2024-12-05 22:32:10,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:32:10 BoogieIcfgContainer [2024-12-05 22:32:10,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:32:10,932 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:32:10,932 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:32:10,939 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:32:10,939 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:32:10" (1/1) ... [2024-12-05 22:32:10,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:32:10,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:10,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2024-12-05 22:32:10,988 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2024-12-05 22:32:10,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:32:10,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:10,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:11,834 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-05 22:32:12,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:12,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-12-05 22:32:12,043 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-12-05 22:32:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:32:12,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:12,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:12,519 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-05 22:32:12,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:12,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2024-12-05 22:32:12,574 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-12-05 22:32:12,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:32:12,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:12,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:13,268 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-05 22:32:13,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:13,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2024-12-05 22:32:13,329 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-12-05 22:32:13,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:32:13,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:13,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-05 22:32:14,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:14,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2024-12-05 22:32:14,082 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2024-12-05 22:32:14,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 22:32:14,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:14,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:14,466 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 22:32:14,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:14,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-12-05 22:32:14,522 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-12-05 22:32:14,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 22:32:14,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:14,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:14,990 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 22:32:15,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:15,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2024-12-05 22:32:15,075 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2024-12-05 22:32:15,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 22:32:15,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:15,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:15,488 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-05 22:32:15,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:15,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2024-12-05 22:32:15,598 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2024-12-05 22:32:15,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 22:32:15,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:15,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:15,926 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-05 22:32:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 66 transitions. [2024-12-05 22:32:16,013 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2024-12-05 22:32:16,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 22:32:16,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:16,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:16,514 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-05 22:32:16,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:16,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2024-12-05 22:32:16,613 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2024-12-05 22:32:16,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 22:32:16,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:16,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-05 22:32:17,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:17,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2024-12-05 22:32:17,207 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2024-12-05 22:32:17,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 22:32:17,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:17,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:20,265 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-12-05 22:32:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 58 states and 86 transitions. [2024-12-05 22:32:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2024-12-05 22:32:22,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-05 22:32:22,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:22,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:23,399 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-12-05 22:32:30,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:32:30,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:30,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 87 transitions. [2024-12-05 22:32:30,343 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2024-12-05 22:32:30,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-05 22:32:30,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:30,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:31,109 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-12-05 22:32:31,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:31,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 60 states and 88 transitions. [2024-12-05 22:32:31,309 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2024-12-05 22:32:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-05 22:32:31,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:31,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-05 22:32:32,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:32,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 61 states and 89 transitions. [2024-12-05 22:32:32,108 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2024-12-05 22:32:32,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-05 22:32:32,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:32,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:32,848 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-05 22:32:33,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:33,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2024-12-05 22:32:33,043 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2024-12-05 22:32:33,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-05 22:32:33,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:33,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:33,716 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-12-05 22:32:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2024-12-05 22:32:33,795 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2024-12-05 22:32:33,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-05 22:32:33,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:33,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:34,503 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-12-05 22:32:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:34,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2024-12-05 22:32:34,724 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2024-12-05 22:32:34,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-05 22:32:34,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:34,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:35,540 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-05 22:32:35,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:35,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2024-12-05 22:32:35,616 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2024-12-05 22:32:35,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-05 22:32:35,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:35,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:36,359 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-05 22:32:36,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:36,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2024-12-05 22:32:36,580 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2024-12-05 22:32:36,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-05 22:32:36,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:36,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:37,269 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-12-05 22:32:37,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:37,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2024-12-05 22:32:37,636 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2024-12-05 22:32:37,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-05 22:32:37,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:37,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-12-05 22:32:39,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:39,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2024-12-05 22:32:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2024-12-05 22:32:39,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-05 22:32:39,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:39,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:39,646 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-05 22:32:40,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:40,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2024-12-05 22:32:40,353 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2024-12-05 22:32:40,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-05 22:32:40,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:40,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-05 22:32:41,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:41,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2024-12-05 22:32:41,963 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2024-12-05 22:32:41,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-05 22:32:41,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:41,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:42,959 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-05 22:32:44,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:44,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2024-12-05 22:32:44,123 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2024-12-05 22:32:44,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-05 22:32:44,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:44,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:45,100 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-05 22:32:47,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:32:47,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:47,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2024-12-05 22:32:47,606 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2024-12-05 22:32:47,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-05 22:32:47,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:47,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:48,231 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-12-05 22:32:48,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:48,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2024-12-05 22:32:48,624 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2024-12-05 22:32:48,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-05 22:32:48,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:48,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:49,325 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-12-05 22:32:49,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:49,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2024-12-05 22:32:49,589 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2024-12-05 22:32:49,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-05 22:32:49,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:49,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:50,438 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-12-05 22:32:50,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:50,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2024-12-05 22:32:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2024-12-05 22:32:50,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-05 22:32:50,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:50,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:51,778 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-12-05 22:32:52,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:52,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2024-12-05 22:32:52,060 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2024-12-05 22:32:52,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-05 22:32:52,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:52,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-05 22:32:52,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:52,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2024-12-05 22:32:52,846 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2024-12-05 22:32:52,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-05 22:32:52,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:52,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:53,589 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-05 22:32:53,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:53,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 78 states and 106 transitions. [2024-12-05 22:32:53,843 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2024-12-05 22:32:53,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-05 22:32:53,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:53,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:54,702 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-05 22:32:54,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:54,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2024-12-05 22:32:54,965 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2024-12-05 22:32:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-05 22:32:54,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:54,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:55,964 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-05 22:32:56,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:56,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 80 states and 108 transitions. [2024-12-05 22:32:56,253 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 108 transitions. [2024-12-05 22:32:56,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-05 22:32:56,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:56,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:57,005 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-12-05 22:32:57,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:57,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 81 states and 109 transitions. [2024-12-05 22:32:57,101 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2024-12-05 22:32:57,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-05 22:32:57,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:57,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:57,895 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-12-05 22:32:58,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 82 states and 110 transitions. [2024-12-05 22:32:58,212 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2024-12-05 22:32:58,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-05 22:32:58,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:58,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:59,255 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-12-05 22:32:59,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:59,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 83 states and 111 transitions. [2024-12-05 22:32:59,518 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2024-12-05 22:32:59,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 22:32:59,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:59,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:32:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:00,577 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-12-05 22:33:00,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:00,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 84 states and 112 transitions. [2024-12-05 22:33:00,863 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 112 transitions. [2024-12-05 22:33:00,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-05 22:33:00,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:00,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:01,610 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-12-05 22:33:01,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:01,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 85 states and 113 transitions. [2024-12-05 22:33:01,724 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 113 transitions. [2024-12-05 22:33:01,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-05 22:33:01,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:01,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:02,519 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-12-05 22:33:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:02,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 86 states and 114 transitions. [2024-12-05 22:33:02,847 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2024-12-05 22:33:02,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-05 22:33:02,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:02,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:03,737 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-12-05 22:33:04,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:04,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 87 states and 115 transitions. [2024-12-05 22:33:04,038 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 115 transitions. [2024-12-05 22:33:04,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-05 22:33:04,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:04,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:05,088 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-12-05 22:33:05,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:05,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 88 states and 116 transitions. [2024-12-05 22:33:05,380 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2024-12-05 22:33:05,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-05 22:33:05,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:05,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:06,061 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-12-05 22:33:06,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:06,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 89 states and 117 transitions. [2024-12-05 22:33:06,183 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2024-12-05 22:33:06,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-05 22:33:06,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:06,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:07,235 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-12-05 22:33:07,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:07,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 90 states and 118 transitions. [2024-12-05 22:33:07,571 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 118 transitions. [2024-12-05 22:33:07,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-05 22:33:07,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:07,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:08,505 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-12-05 22:33:08,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:08,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 91 states and 119 transitions. [2024-12-05 22:33:08,850 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2024-12-05 22:33:08,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-05 22:33:08,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:08,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-12-05 22:33:10,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:10,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 92 states and 120 transitions. [2024-12-05 22:33:10,398 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2024-12-05 22:33:10,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-05 22:33:10,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:10,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:11,078 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-05 22:33:11,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:11,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 93 states and 121 transitions. [2024-12-05 22:33:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2024-12-05 22:33:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-05 22:33:11,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:11,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:12,022 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-05 22:33:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:12,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 122 transitions. [2024-12-05 22:33:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2024-12-05 22:33:12,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-05 22:33:12,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:12,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:13,241 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-05 22:33:13,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:13,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2024-12-05 22:33:13,552 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2024-12-05 22:33:13,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-05 22:33:13,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:13,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-12-05 22:33:15,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:15,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 96 states and 124 transitions. [2024-12-05 22:33:15,009 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2024-12-05 22:33:15,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-05 22:33:15,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:15,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:15,699 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-12-05 22:33:15,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:15,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 97 states and 125 transitions. [2024-12-05 22:33:15,816 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2024-12-05 22:33:15,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-05 22:33:15,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:15,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:16,635 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-12-05 22:33:17,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:17,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 126 transitions. [2024-12-05 22:33:17,001 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2024-12-05 22:33:17,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-05 22:33:17,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:17,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-12-05 22:33:17,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:17,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 99 states and 127 transitions. [2024-12-05 22:33:17,837 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions. [2024-12-05 22:33:17,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-05 22:33:17,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:17,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-12-05 22:33:19,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:19,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 100 states and 128 transitions. [2024-12-05 22:33:19,045 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2024-12-05 22:33:19,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-05 22:33:19,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:19,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:20,019 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-12-05 22:33:20,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:20,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 101 states and 129 transitions. [2024-12-05 22:33:20,376 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 129 transitions. [2024-12-05 22:33:20,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-05 22:33:20,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:20,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:21,565 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-12-05 22:33:21,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:21,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 102 states and 130 transitions. [2024-12-05 22:33:21,922 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 130 transitions. [2024-12-05 22:33:21,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-05 22:33:21,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:21,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-12-05 22:33:22,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:22,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 103 states and 131 transitions. [2024-12-05 22:33:22,776 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 131 transitions. [2024-12-05 22:33:22,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-05 22:33:22,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:22,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:23,568 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-12-05 22:33:24,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:24,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 104 states and 132 transitions. [2024-12-05 22:33:24,016 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2024-12-05 22:33:24,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-05 22:33:24,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:24,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-12-05 22:33:25,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:25,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 105 states and 133 transitions. [2024-12-05 22:33:25,543 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 133 transitions. [2024-12-05 22:33:25,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-05 22:33:25,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:25,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-12-05 22:33:27,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:27,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 106 states and 134 transitions. [2024-12-05 22:33:27,115 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 134 transitions. [2024-12-05 22:33:27,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-05 22:33:27,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:27,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:33:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:33:58,345 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:34:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:34:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:34:36,743 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:34:36,746 INFO L158 Benchmark]: Toolchain (without parser) took 153716.57ms. Allocated memory was 142.6MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 115.2MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-05 22:34:36,746 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:36,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.13ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 59.9MB in the end (delta: 55.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 22:34:36,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 322.59ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 59.9MB in the beginning and 76.1MB in the end (delta: -16.2MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2024-12-05 22:34:36,747 INFO L158 Benchmark]: Boogie Preprocessor took 289.98ms. Allocated memory was 159.4MB in the beginning and 411.0MB in the end (delta: 251.7MB). Free memory was 76.1MB in the beginning and 306.7MB in the end (delta: -230.6MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-12-05 22:34:36,747 INFO L158 Benchmark]: RCFGBuilder took 6719.30ms. Allocated memory was 411.0MB in the beginning and 771.8MB in the end (delta: 360.7MB). Free memory was 306.7MB in the beginning and 610.6MB in the end (delta: -304.0MB). Peak memory consumption was 497.7MB. Max. memory is 16.1GB. [2024-12-05 22:34:36,747 INFO L158 Benchmark]: CodeCheck took 145813.42ms. Allocated memory was 771.8MB in the beginning and 2.7GB in the end (delta: 1.9GB). Free memory was 610.6MB in the beginning and 1.5GB in the end (delta: -919.0MB). Peak memory consumption was 992.8MB. Max. memory is 16.1GB. [2024-12-05 22:34:36,749 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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.13ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 59.9MB in the end (delta: 55.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 322.59ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 59.9MB in the beginning and 76.1MB in the end (delta: -16.2MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 289.98ms. Allocated memory was 159.4MB in the beginning and 411.0MB in the end (delta: 251.7MB). Free memory was 76.1MB in the beginning and 306.7MB in the end (delta: -230.6MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6719.30ms. Allocated memory was 411.0MB in the beginning and 771.8MB in the end (delta: 360.7MB). Free memory was 306.7MB in the beginning and 610.6MB in the end (delta: -304.0MB). Peak memory consumption was 497.7MB. Max. memory is 16.1GB. * CodeCheck took 145813.42ms. Allocated memory was 771.8MB in the beginning and 2.7GB in the end (delta: 1.9GB). Free memory was 610.6MB in the beginning and 1.5GB in the end (delta: -919.0MB). Peak memory consumption was 992.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:34:36,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eb904c0981d69b458d5d2831cb1cef4022d2f4fca573c75928a054243d001b7a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:34:38,747 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:34:38,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 22:34:38,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:34:38,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:34:38,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:34:38,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:34:38,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:34:38,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:34:38,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:34:38,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:34:38,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:34:38,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:34:38,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:34:38,850 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:34:38,850 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:34:38,850 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:34:38,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:34:38,851 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:34:38,851 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:34:38,851 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:34:38,851 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:34:38,851 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:34:38,851 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:38,851 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:34:38,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:34:38,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:34:38,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:34:38,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:34:38,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:34:38,852 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:34:38,852 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:38,852 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:34:38,852 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_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb904c0981d69b458d5d2831cb1cef4022d2f4fca573c75928a054243d001b7a [2024-12-05 22:34:39,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:34:39,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:34:39,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:34:39,095 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:34:39,095 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:34:39,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c [2024-12-05 22:34:41,740 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/data/f1c962cdd/9eae63c834f54b58b7c62b3ff4f6e717/FLAGacefaad75 [2024-12-05 22:34:41,988 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:34:41,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c [2024-12-05 22:34:42,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/data/f1c962cdd/9eae63c834f54b58b7c62b3ff4f6e717/FLAGacefaad75 [2024-12-05 22:34:42,016 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/data/f1c962cdd/9eae63c834f54b58b7c62b3ff4f6e717 [2024-12-05 22:34:42,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:34:42,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:34:42,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:34:42,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:34:42,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:34:42,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:34:42" (1/1) ... [2024-12-05 22:34:42,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216964e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:42, skipping insertion in model container [2024-12-05 22:34:42,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:34:42" (1/1) ... [2024-12-05 22:34:42,061 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:34:42,208 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_1799da53-a088-4d41-a48e-b56e8b109854/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c[1268,1281] [2024-12-05 22:34:42,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:34:42,434 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:34:42,441 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_1799da53-a088-4d41-a48e-b56e8b109854/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c[1268,1281] [2024-12-05 22:34:42,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:34:42,570 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:34:42,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:42 WrapperNode [2024-12-05 22:34:42,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:34:42,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:34:42,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:34:42,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:34:42,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:42" (1/1) ... [2024-12-05 22:34:42,595 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:42" (1/1) ... [2024-12-05 22:34:42,655 INFO L138 Inliner]: procedures = 18, calls = 107, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1575 [2024-12-05 22:34:42,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:34:42,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:34:42,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:34:42,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:34:42,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:42" (1/1) ... [2024-12-05 22:34:42,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:42" (1/1) ... [2024-12-05 22:34:42,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:42" (1/1) ... [2024-12-05 22:34:42,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:42" (1/1) ... [2024-12-05 22:34:42,704 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:42" (1/1) ... [2024-12-05 22:34:42,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:42" (1/1) ... [2024-12-05 22:34:42,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:42" (1/1) ... [2024-12-05 22:34:42,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:42" (1/1) ... [2024-12-05 22:34:42,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:42" (1/1) ... [2024-12-05 22:34:42,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:34:42,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:34:42,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:34:42,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:34:42,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:42" (1/1) ... [2024-12-05 22:34:42,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:34:42,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:34:42,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:34:42,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:34:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:34:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-12-05 22:34:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:34:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:34:42,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:34:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:34:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:34:42,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:34:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-12-05 22:34:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:34:43,060 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:34:43,062 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:34:44,140 INFO L? ?]: Removed 1019 outVars from TransFormulas that were not future-live. [2024-12-05 22:34:44,140 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:34:44,426 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:34:44,426 INFO L312 CfgBuilder]: Removed 19 assume(true) statements. [2024-12-05 22:34:44,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:34:44 BoogieIcfgContainer [2024-12-05 22:34:44,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:34:44,427 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:34:44,427 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:34:44,436 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:34:44,436 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:34:44" (1/1) ... [2024-12-05 22:34:44,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:34:44,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:44,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2024-12-05 22:34:44,490 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2024-12-05 22:34:44,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 22:34:44,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:44,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:44,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:44,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:44,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:34:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:45,169 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:45,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:34:45,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:45,396 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-05 22:34:45,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:34:45,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-12-05 22:34:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-12-05 22:34:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:34:45,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:45,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:45,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:45,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:45,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:34:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:46,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:46,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:34:46,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:46,287 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 22:34:46,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:34:46,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:46,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2024-12-05 22:34:46,326 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-12-05 22:34:46,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:34:46,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:46,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:46,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:46,329 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:46,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:34:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:46,952 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:47,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:34:47,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:47,114 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 22:34:47,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:34:47,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:47,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2024-12-05 22:34:47,151 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-12-05 22:34:47,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:34:47,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:47,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:47,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:47,153 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:47,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:34:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:47,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:47,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:34:47,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:47,817 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 22:34:47,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:34:47,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:47,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2024-12-05 22:34:47,877 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2024-12-05 22:34:47,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 22:34:47,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:47,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:47,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:47,879 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:47,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:34:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:48,382 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:48,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:34:48,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 22:34:48,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:34:48,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:48,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-12-05 22:34:48,578 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-12-05 22:34:48,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 22:34:48,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:48,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:48,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:48,580 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:48,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:34:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:49,147 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:49,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:34:49,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:49,286 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:34:49,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:34:49,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:49,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2024-12-05 22:34:49,352 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2024-12-05 22:34:49,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 22:34:49,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:49,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:49,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:49,354 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:49,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:34:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:49,833 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:49,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:34:49,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:49,990 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:34:49,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 22:34:50,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:50,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2024-12-05 22:34:50,066 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2024-12-05 22:34:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 22:34:50,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:50,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:50,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:50,069 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:50,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:34:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:50,756 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:50,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:34:50,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:34:50,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:34:51,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:51,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2024-12-05 22:34:51,004 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-12-05 22:34:51,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 22:34:51,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:51,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:51,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:51,007 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:51,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:34:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:51,585 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:51,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:34:51,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:51,736 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-05 22:34:51,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:34:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:51,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2024-12-05 22:34:51,812 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2024-12-05 22:34:51,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 22:34:51,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:51,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:51,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:51,814 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:51,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:34:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:52,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:52,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:34:52,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-05 22:34:52,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 22:34:52,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 46 states and 65 transitions. [2024-12-05 22:34:52,796 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-12-05 22:34:52,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 22:34:52,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:52,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:52,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:52,799 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:52,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:34:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:53,538 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:53,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 22:34:53,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:54,152 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 22:34:54,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:34:56,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:56,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 58 states and 85 transitions. [2024-12-05 22:34:56,698 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2024-12-05 22:34:56,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-05 22:34:56,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:56,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:56,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:56,701 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:56,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:34:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:57,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:58,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:34:58,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:34:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-12-05 22:34:58,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:34:58,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 59 states and 86 transitions. [2024-12-05 22:34:58,504 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2024-12-05 22:34:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-05 22:34:58,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:58,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:34:58,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:34:58,507 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:34:58,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:34:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:59,595 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:34:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:59,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:34:59,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:00,006 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-05 22:35:00,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 22:35:00,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:00,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 87 transitions. [2024-12-05 22:35:00,182 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2024-12-05 22:35:00,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-05 22:35:00,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:00,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:00,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:00,185 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:00,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 22:35:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:01,326 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:01,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:35:01,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:01,807 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:35:01,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 22:35:02,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:02,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 88 transitions. [2024-12-05 22:35:02,046 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2024-12-05 22:35:02,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-05 22:35:02,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:02,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:02,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:02,049 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:02,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 22:35:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:03,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:03,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:35:03,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:03,830 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-05 22:35:03,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 22:35:03,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:03,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-12-05 22:35:03,993 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-12-05 22:35:03,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-05 22:35:03,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:03,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:03,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:03,995 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:03,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 22:35:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:05,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:05,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:35:05,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:05,870 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-05 22:35:05,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 22:35:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:06,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2024-12-05 22:35:06,089 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2024-12-05 22:35:06,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-05 22:35:06,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:06,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:06,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:06,091 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:06,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 22:35:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:07,472 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:07,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:35:07,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:07,949 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-05 22:35:07,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 22:35:08,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:08,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2024-12-05 22:35:08,185 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2024-12-05 22:35:08,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-05 22:35:08,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:08,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:08,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:08,187 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:08,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 22:35:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:09,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:10,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:35:10,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:10,177 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-12-05 22:35:10,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 22:35:10,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:10,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 92 transitions. [2024-12-05 22:35:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2024-12-05 22:35:10,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-05 22:35:10,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:10,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:10,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:10,365 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:10,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 22:35:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:11,916 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:12,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:35:12,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:12,405 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-12-05 22:35:12,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 22:35:12,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:12,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2024-12-05 22:35:12,608 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2024-12-05 22:35:12,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-05 22:35:12,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:12,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:12,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:12,610 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:12,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 22:35:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:14,307 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:14,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:35:14,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-12-05 22:35:14,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 22:35:14,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:14,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 94 transitions. [2024-12-05 22:35:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2024-12-05 22:35:14,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-05 22:35:14,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:14,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:14,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:14,998 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:14,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 22:35:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:16,802 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:17,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:35:17,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:17,264 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-05 22:35:17,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 22:35:17,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:17,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 68 states and 95 transitions. [2024-12-05 22:35:17,482 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 95 transitions. [2024-12-05 22:35:17,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-05 22:35:17,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:17,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:17,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:17,484 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:17,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 22:35:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:19,238 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:19,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:35:19,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-12-05 22:35:19,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 22:35:19,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:19,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2024-12-05 22:35:19,986 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2024-12-05 22:35:19,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-05 22:35:19,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:19,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:19,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:19,987 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:19,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 22:35:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:21,803 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:22,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:35:22,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:22,313 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-12-05 22:35:22,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 22:35:22,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:22,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2024-12-05 22:35:22,594 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2024-12-05 22:35:22,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-05 22:35:22,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:22,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:22,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:22,596 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:22,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 22:35:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:24,511 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:24,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:35:24,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-12-05 22:35:25,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 22:35:25,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:25,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2024-12-05 22:35:25,305 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2024-12-05 22:35:25,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-05 22:35:25,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:25,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:25,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:25,307 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:25,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 22:35:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:27,415 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:27,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:35:27,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:27,926 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-05 22:35:27,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 22:35:28,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:28,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2024-12-05 22:35:28,257 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2024-12-05 22:35:28,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-05 22:35:28,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:28,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:28,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:28,259 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:28,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 22:35:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:30,277 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:30,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:35:30,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-12-05 22:35:30,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 22:35:31,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:31,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2024-12-05 22:35:31,007 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2024-12-05 22:35:31,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-05 22:35:31,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:31,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:31,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:31,009 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:31,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 22:35:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:32,982 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:33,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:35:33,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:33,558 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-12-05 22:35:33,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 22:35:34,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:34,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2024-12-05 22:35:34,322 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2024-12-05 22:35:34,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-05 22:35:34,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:34,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:34,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:34,324 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:34,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 22:35:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:36,503 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:36,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:35:36,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-12-05 22:35:37,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 22:35:37,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:37,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 75 states and 100 transitions. [2024-12-05 22:35:37,732 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2024-12-05 22:35:37,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-05 22:35:37,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:37,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:37,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:37,734 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:37,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 22:35:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:39,898 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:40,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:35:40,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:40,545 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-05 22:35:40,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 22:35:41,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:41,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2024-12-05 22:35:41,200 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2024-12-05 22:35:41,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-05 22:35:41,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:41,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:41,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:41,202 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:41,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 22:35:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:43,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:43,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:35:43,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:44,180 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-12-05 22:35:44,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 22:35:44,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:44,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 77 states and 101 transitions. [2024-12-05 22:35:44,900 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 101 transitions. [2024-12-05 22:35:44,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-05 22:35:44,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:44,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:44,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:44,902 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:44,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 22:35:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:47,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:47,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:35:47,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:47,918 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-12-05 22:35:47,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 22:35:48,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:48,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 78 states and 102 transitions. [2024-12-05 22:35:48,672 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2024-12-05 22:35:48,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-05 22:35:48,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:48,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:48,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:48,674 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:48,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 22:35:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:51,108 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:51,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:35:51,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:51,737 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-12-05 22:35:51,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-05 22:35:52,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:52,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 79 states and 103 transitions. [2024-12-05 22:35:52,449 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 103 transitions. [2024-12-05 22:35:52,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-05 22:35:52,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:52,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:52,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:52,450 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:52,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 22:35:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:54,923 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:55,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:35:55,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:55,582 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-12-05 22:35:55,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-05 22:35:56,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:35:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 80 states and 104 transitions. [2024-12-05 22:35:56,447 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 104 transitions. [2024-12-05 22:35:56,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-05 22:35:56,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:35:56,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:56,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:35:56,450 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:35:56,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 22:35:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:58,977 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:35:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:35:59,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:35:59,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:35:59,583 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-05 22:35:59,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 22:36:00,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:00,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 81 states and 104 transitions. [2024-12-05 22:36:00,456 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2024-12-05 22:36:00,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-05 22:36:00,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:00,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:36:00,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:36:00,458 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:36:00,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-05 22:36:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:03,069 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:36:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:03,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:36:03,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:03,714 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-12-05 22:36:03,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-05 22:36:04,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:04,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 82 states and 104 transitions. [2024-12-05 22:36:04,592 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2024-12-05 22:36:04,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-05 22:36:04,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:04,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:36:04,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:36:04,594 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:36:04,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-05 22:36:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:07,343 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:36:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:07,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:36:07,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-12-05 22:36:08,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-05 22:36:08,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 83 states and 104 transitions. [2024-12-05 22:36:08,945 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 104 transitions. [2024-12-05 22:36:08,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 22:36:08,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:08,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:36:08,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:36:08,947 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:36:08,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-05 22:36:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:11,813 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:36:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:12,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:36:12,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:12,512 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-12-05 22:36:12,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-05 22:36:13,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:13,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2024-12-05 22:36:13,470 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2024-12-05 22:36:13,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-05 22:36:13,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:13,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:36:13,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:36:13,472 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:36:13,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-05 22:36:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:16,407 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:36:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:16,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:36:16,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:17,155 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-12-05 22:36:17,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-05 22:36:18,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:18,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 106 transitions. [2024-12-05 22:36:18,137 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 106 transitions. [2024-12-05 22:36:18,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-05 22:36:18,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:18,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:36:18,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:36:18,139 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:36:18,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-05 22:36:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:21,295 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:36:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:21,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:36:21,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-12-05 22:36:22,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-05 22:36:22,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 86 states and 107 transitions. [2024-12-05 22:36:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 107 transitions. [2024-12-05 22:36:22,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-05 22:36:22,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:22,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:36:22,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:36:22,981 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:36:22,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-05 22:36:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:25,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:36:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:26,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:36:26,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:26,758 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-12-05 22:36:26,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-05 22:36:27,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:27,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 87 states and 108 transitions. [2024-12-05 22:36:27,799 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2024-12-05 22:36:27,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-05 22:36:27,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:27,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:36:27,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:36:27,802 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:36:27,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-05 22:36:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:30,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:36:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:31,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:36:31,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 22:36:31,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-05 22:36:32,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:32,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 88 states and 109 transitions. [2024-12-05 22:36:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2024-12-05 22:36:32,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-05 22:36:32,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:32,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:36:32,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:36:32,745 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:36:32,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-05 22:36:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:35,807 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:36:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:36,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:36:36,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:36,538 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 22:36:36,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-05 22:36:37,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:37,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 89 states and 110 transitions. [2024-12-05 22:36:37,644 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 110 transitions. [2024-12-05 22:36:37,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-05 22:36:37,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:37,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:36:37,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:36:37,646 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:36:37,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-05 22:36:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:41,023 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:36:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:41,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:36:41,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 22:36:41,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-05 22:36:43,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:43,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 90 states and 110 transitions. [2024-12-05 22:36:43,095 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2024-12-05 22:36:43,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-05 22:36:43,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:43,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:36:43,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:36:43,097 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:36:43,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-05 22:36:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:46,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:36:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:46,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:36:46,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:47,275 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-05 22:36:47,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-05 22:36:48,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:48,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 91 states and 111 transitions. [2024-12-05 22:36:48,481 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 111 transitions. [2024-12-05 22:36:48,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-05 22:36:48,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:48,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:36:48,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:36:48,483 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:36:48,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-05 22:36:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:51,713 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:36:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:52,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:36:52,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:52,520 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-05 22:36:52,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-05 22:36:53,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:53,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 92 states and 111 transitions. [2024-12-05 22:36:53,805 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2024-12-05 22:36:53,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-05 22:36:53,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:53,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:36:53,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:36:53,807 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:36:53,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-05 22:36:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:56,704 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:36:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:36:57,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:36:57,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:36:57,509 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-12-05 22:36:57,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-05 22:36:58,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:36:58,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 93 states and 112 transitions. [2024-12-05 22:36:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2024-12-05 22:36:58,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-05 22:36:58,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:36:58,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:36:58,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:36:58,905 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:36:58,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-05 22:37:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:02,450 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:37:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:02,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:37:02,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:03,308 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-12-05 22:37:03,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-05 22:37:04,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:04,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2024-12-05 22:37:04,681 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2024-12-05 22:37:04,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-05 22:37:04,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:04,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:37:04,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:37:04,683 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:37:04,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-05 22:37:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:08,008 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:37:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:08,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:37:08,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:08,999 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-05 22:37:09,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-05 22:37:10,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 95 states and 113 transitions. [2024-12-05 22:37:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 113 transitions. [2024-12-05 22:37:10,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-05 22:37:10,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:10,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:37:10,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:37:10,513 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:37:10,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-05 22:37:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:14,067 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:37:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:14,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:37:14,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:14,943 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-05 22:37:14,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-05 22:37:16,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:16,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 96 states and 113 transitions. [2024-12-05 22:37:16,315 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 113 transitions. [2024-12-05 22:37:16,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-05 22:37:16,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:16,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:37:16,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:37:16,318 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:37:16,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-05 22:37:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:19,871 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:37:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:20,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:37:20,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:20,776 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-12-05 22:37:20,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-05 22:37:22,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 97 states and 114 transitions. [2024-12-05 22:37:22,187 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2024-12-05 22:37:22,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-05 22:37:22,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:22,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:37:22,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:37:22,190 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:37:22,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-05 22:37:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:25,906 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:37:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:26,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:37:26,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:26,859 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-12-05 22:37:26,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-05 22:37:28,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:28,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 114 transitions. [2024-12-05 22:37:28,425 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2024-12-05 22:37:28,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-05 22:37:28,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:28,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:37:28,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:37:28,426 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:37:28,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-05 22:37:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:32,280 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:37:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:32,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:37:32,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:33,221 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-12-05 22:37:33,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-05 22:37:34,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:34,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 99 states and 115 transitions. [2024-12-05 22:37:34,717 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2024-12-05 22:37:34,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-05 22:37:34,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:34,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:37:34,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:37:34,719 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:37:34,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-05 22:37:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:38,661 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:37:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:39,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:37:39,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:39,623 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-12-05 22:37:39,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-05 22:37:41,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:41,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 100 states and 115 transitions. [2024-12-05 22:37:41,240 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2024-12-05 22:37:41,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-05 22:37:41,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:41,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:37:41,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:37:41,242 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:37:41,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-05 22:37:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:45,303 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:37:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:45,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:37:45,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:46,314 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-05 22:37:46,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-05 22:37:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:48,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 101 states and 116 transitions. [2024-12-05 22:37:48,237 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2024-12-05 22:37:48,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-05 22:37:48,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:48,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:37:48,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:37:48,239 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:37:48,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-05 22:37:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:52,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:37:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:52,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:37:52,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:37:53,364 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-05 22:37:53,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-05 22:37:55,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:37:55,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 102 states and 116 transitions. [2024-12-05 22:37:55,227 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2024-12-05 22:37:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-05 22:37:55,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:37:55,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:37:55,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:37:55,229 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:37:55,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-05 22:37:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:59,421 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:37:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:37:59,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:37:59,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:38:00,441 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-12-05 22:38:00,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-05 22:38:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:02,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 103 states and 117 transitions. [2024-12-05 22:38:02,202 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2024-12-05 22:38:02,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-05 22:38:02,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:02,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:38:02,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:38:02,204 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:38:02,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-05 22:38:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:06,348 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:38:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:06,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:38:06,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:38:07,463 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-12-05 22:38:07,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-05 22:38:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 104 states and 117 transitions. [2024-12-05 22:38:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2024-12-05 22:38:09,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-05 22:38:09,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:09,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:38:09,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:38:09,361 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:38:09,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-05 22:38:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:13,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:38:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:14,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:38:14,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:38:14,858 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-12-05 22:38:14,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-05 22:38:16,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 105 states and 118 transitions. [2024-12-05 22:38:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2024-12-05 22:38:16,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-05 22:38:16,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:16,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:38:16,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:38:16,852 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:38:16,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-05 22:38:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:21,431 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:38:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:21,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:38:21,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:38:22,477 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-12-05 22:38:22,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-05 22:38:24,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:24,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 106 states and 118 transitions. [2024-12-05 22:38:24,391 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2024-12-05 22:38:24,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-05 22:38:24,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:24,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:38:24,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:38:24,393 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:38:24,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-05 22:38:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:29,187 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:38:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:38:29,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-05 22:38:29,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:38:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-12-05 22:38:36,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-05 22:42:23,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:42:23,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 193 states and 226 transitions. [2024-12-05 22:42:23,277 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 226 transitions. [2024-12-05 22:42:23,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-12-05 22:42:23,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:42:23,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:42:23,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:42:23,290 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:42:23,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1799da53-a088-4d41-a48e-b56e8b109854/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process