./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b2ee659e7bd0f15011c822a777a938a0e6f5b3a8f826a051cccefa88973daa0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:23:07,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:23:07,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:23:07,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:23:07,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:23:07,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:23:07,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:23:07,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:23:07,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:23:07,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:23:07,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:23:07,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:23:07,572 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:23:07,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:23:07,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:23:07,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:23:07,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:23:07,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:23:07,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:23:07,573 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:23:07,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:23:07,573 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:23:07,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:23:07,573 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:23:07,573 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:23:07,574 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:23:07,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:23:07,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:23:07,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:23:07,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:23:07,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:23:07,575 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:23:07,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:23:07,576 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_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b2ee659e7bd0f15011c822a777a938a0e6f5b3a8f826a051cccefa88973daa0 [2024-11-25 04:23:07,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:23:07,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:23:07,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:23:07,941 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:23:07,943 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:23:07,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c [2024-11-25 04:23:11,330 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/data/e41ed51c1/39787704045044c0992748b3ca89e907/FLAGcf58679a4 [2024-11-25 04:23:11,606 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:23:11,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c [2024-11-25 04:23:11,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/data/e41ed51c1/39787704045044c0992748b3ca89e907/FLAGcf58679a4 [2024-11-25 04:23:11,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/data/e41ed51c1/39787704045044c0992748b3ca89e907 [2024-11-25 04:23:11,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:23:11,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:23:11,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:23:11,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:23:11,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:23:11,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:23:11" (1/1) ... [2024-11-25 04:23:11,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f8e8150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:11, skipping insertion in model container [2024-11-25 04:23:11,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:23:11" (1/1) ... [2024-11-25 04:23:11,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:23:11,871 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_cac31334-9f6b-4d76-b66c-88a10b9185d9/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c[458,471] [2024-11-25 04:23:11,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:23:11,910 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:23:11,922 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_cac31334-9f6b-4d76-b66c-88a10b9185d9/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c[458,471] [2024-11-25 04:23:11,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:23:11,954 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:23:11,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:11 WrapperNode [2024-11-25 04:23:11,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:23:11,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:23:11,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:23:11,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:23:11,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:11" (1/1) ... [2024-11-25 04:23:11,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:11" (1/1) ... [2024-11-25 04:23:11,995 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-11-25 04:23:11,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:23:11,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:23:11,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:23:11,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:23:12,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:11" (1/1) ... [2024-11-25 04:23:12,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:11" (1/1) ... [2024-11-25 04:23:12,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:11" (1/1) ... [2024-11-25 04:23:12,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:11" (1/1) ... [2024-11-25 04:23:12,015 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:11" (1/1) ... [2024-11-25 04:23:12,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:11" (1/1) ... [2024-11-25 04:23:12,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:11" (1/1) ... [2024-11-25 04:23:12,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:11" (1/1) ... [2024-11-25 04:23:12,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:11" (1/1) ... [2024-11-25 04:23:12,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:23:12,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:23:12,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:23:12,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:23:12,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:23:11" (1/1) ... [2024-11-25 04:23:12,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:23:12,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:23:12,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:23:12,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:23:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:23:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:23:12,107 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:23:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:23:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:23:12,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:23:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:23:12,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:23:12,177 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:23:12,179 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:23:12,328 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 04:23:12,328 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:23:12,361 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:23:12,361 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:23:12,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:23:12 BoogieIcfgContainer [2024-11-25 04:23:12,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:23:12,362 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:23:12,362 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:23:12,374 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:23:12,374 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:23:12" (1/1) ... [2024-11-25 04:23:12,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:23:12,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:12,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-25 04:23:12,452 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-25 04:23:12,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:23:12,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:12,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:12,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:23:12,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:23:12,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-25 04:23:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-25 04:23:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:23:12,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:12,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:23:13,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-25 04:23:13,923 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-25 04:23:13,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:23:13,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:13,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:14,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 04:23:14,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:14,099 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:23:14,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:14,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-25 04:23:14,433 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-25 04:23:14,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:23:14,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:14,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:14,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:23:14,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:14,579 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:23:14,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:14,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-25 04:23:14,672 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-25 04:23:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 04:23:14,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:14,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:14,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:23:14,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:14,821 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:23:15,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:23:15,152 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:23:15,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 04:23:15,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:15,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:15,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:23:15,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:15,427 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 04:23:16,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:16,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2024-11-25 04:23:16,329 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-11-25 04:23:16,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:23:16,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:16,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:16,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 04:23:16,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:16,624 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 04:23:17,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:17,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-11-25 04:23:17,065 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-11-25 04:23:17,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 04:23:17,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:17,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:17,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 04:23:17,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-25 04:23:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:18,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-11-25 04:23:18,429 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-11-25 04:23:18,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 04:23:18,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:18,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:18,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-25 04:23:18,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:19,229 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-25 04:23:19,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:19,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2024-11-25 04:23:19,952 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-11-25 04:23:19,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 04:23:19,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:19,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:20,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 04:23:20,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 04:23:21,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:21,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-25 04:23:21,640 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-25 04:23:21,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 04:23:21,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:21,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:22,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 04:23:22,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:22,604 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 04:23:23,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:23,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 92 transitions. [2024-11-25 04:23:23,264 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2024-11-25 04:23:23,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 04:23:23,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:23,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:23,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 04:23:23,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:23,567 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 11 proven. 36 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-25 04:23:24,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:24,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-11-25 04:23:24,886 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-11-25 04:23:24,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 04:23:24,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:24,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:25,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-25 04:23:25,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:25,391 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 31 proven. 41 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-25 04:23:26,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:26,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 59 states and 109 transitions. [2024-11-25 04:23:26,033 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2024-11-25 04:23:26,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 04:23:26,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:26,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:26,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 04:23:26,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:26,405 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-25 04:23:27,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:27,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 65 states and 122 transitions. [2024-11-25 04:23:27,830 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2024-11-25 04:23:27,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-25 04:23:27,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:27,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:28,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-25 04:23:28,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:29,016 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 39 proven. 54 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-25 04:23:29,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:29,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 67 states and 126 transitions. [2024-11-25 04:23:29,606 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 126 transitions. [2024-11-25 04:23:29,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 04:23:29,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:29,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:29,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-25 04:23:29,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:30,022 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 15 proven. 64 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-25 04:23:31,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:31,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 73 states and 139 transitions. [2024-11-25 04:23:31,644 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 139 transitions. [2024-11-25 04:23:31,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-25 04:23:31,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:31,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:31,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 04:23:31,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:32,081 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 33 proven. 68 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-25 04:23:33,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:33,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 75 states and 143 transitions. [2024-11-25 04:23:33,008 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 143 transitions. [2024-11-25 04:23:33,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-25 04:23:33,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:33,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:33,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 04:23:33,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:33,419 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 18 proven. 56 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-25 04:23:35,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:35,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 81 states and 156 transitions. [2024-11-25 04:23:35,306 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 156 transitions. [2024-11-25 04:23:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-25 04:23:35,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:35,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:36,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-25 04:23:36,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 47 proven. 112 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-25 04:23:37,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:37,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 83 states and 160 transitions. [2024-11-25 04:23:37,344 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 160 transitions. [2024-11-25 04:23:37,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 04:23:37,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:37,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:37,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-25 04:23:37,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:37,869 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 19 proven. 100 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-25 04:23:39,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:39,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 89 states and 173 transitions. [2024-11-25 04:23:39,905 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 173 transitions. [2024-11-25 04:23:39,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-25 04:23:39,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:39,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:39,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-25 04:23:39,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 37 proven. 110 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-25 04:23:41,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:41,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 91 states and 177 transitions. [2024-11-25 04:23:41,168 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 177 transitions. [2024-11-25 04:23:41,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-25 04:23:41,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:41,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:41,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-25 04:23:41,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:41,683 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 21 proven. 121 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-25 04:23:43,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:43,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 97 states and 190 transitions. [2024-11-25 04:23:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 190 transitions. [2024-11-25 04:23:43,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-25 04:23:43,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:43,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:46,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-25 04:23:46,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:47,155 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 74 proven. 123 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-25 04:23:48,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:48,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 99 states and 194 transitions. [2024-11-25 04:23:48,547 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 194 transitions. [2024-11-25 04:23:48,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 04:23:48,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:48,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:48,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-25 04:23:48,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:49,083 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 24 proven. 110 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-11-25 04:23:51,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:51,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 105 states and 207 transitions. [2024-11-25 04:23:51,636 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 207 transitions. [2024-11-25 04:23:51,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-25 04:23:51,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:51,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:55,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 04:23:55,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:55,993 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 56 proven. 145 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-11-25 04:23:57,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:23:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 107 states and 211 transitions. [2024-11-25 04:23:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 211 transitions. [2024-11-25 04:23:57,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-25 04:23:57,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:23:57,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:23:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:23:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:23:57,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-25 04:23:57,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:23:57,793 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 25 proven. 169 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-25 04:24:00,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:00,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 113 states and 224 transitions. [2024-11-25 04:24:00,523 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 224 transitions. [2024-11-25 04:24:00,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-25 04:24:00,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:00,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:07,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-25 04:24:07,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:07,320 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 90 proven. 171 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-25 04:24:08,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:08,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 115 states and 228 transitions. [2024-11-25 04:24:08,620 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 228 transitions. [2024-11-25 04:24:08,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-25 04:24:08,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:08,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:08,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-25 04:24:08,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:09,235 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 27 proven. 196 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-25 04:24:12,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:12,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 121 states and 241 transitions. [2024-11-25 04:24:12,086 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 241 transitions. [2024-11-25 04:24:12,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-25 04:24:12,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:12,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:12,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-25 04:24:12,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:12,524 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 75 proven. 269 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-11-25 04:24:14,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:14,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 123 states and 245 transitions. [2024-11-25 04:24:14,108 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 245 transitions. [2024-11-25 04:24:14,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-25 04:24:14,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:14,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:14,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-25 04:24:14,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:14,910 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 29 proven. 225 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-11-25 04:24:18,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:18,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 129 states and 258 transitions. [2024-11-25 04:24:18,363 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 258 transitions. [2024-11-25 04:24:18,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-25 04:24:18,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:18,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:28,458 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:24:28,463 INFO L158 Benchmark]: Toolchain (without parser) took 76809.16ms. Allocated memory was 142.6MB in the beginning and 494.9MB in the end (delta: 352.3MB). Free memory was 119.8MB in the beginning and 366.6MB in the end (delta: -246.8MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. [2024-11-25 04:24:28,463 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:24:28,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.27ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 108.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:24:28,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.10ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:24:28,464 INFO L158 Benchmark]: Boogie Preprocessor took 31.95ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.3MB in the end (delta: 775.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:24:28,465 INFO L158 Benchmark]: RCFGBuilder took 332.41ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 94.8MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:24:28,465 INFO L158 Benchmark]: CodeCheck took 76099.32ms. Allocated memory was 142.6MB in the beginning and 494.9MB in the end (delta: 352.3MB). Free memory was 94.8MB in the beginning and 366.6MB in the end (delta: -271.8MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2024-11-25 04:24:28,467 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 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.27ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 108.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.10ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.95ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.3MB in the end (delta: 775.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.41ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 94.8MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 76099.32ms. Allocated memory was 142.6MB in the beginning and 494.9MB in the end (delta: 352.3MB). Free memory was 94.8MB in the beginning and 366.6MB in the end (delta: -271.8MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:24:28,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/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_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b2ee659e7bd0f15011c822a777a938a0e6f5b3a8f826a051cccefa88973daa0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:24:31,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:24:31,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:24:31,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:24:31,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:24:31,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:24:31,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:24:31,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:24:31,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:24:31,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:24:31,285 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:24:31,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:24:31,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:24:31,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:24:31,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:24:31,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:24:31,286 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:24:31,286 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:24:31,286 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:24:31,286 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:24:31,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:24:31,287 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:24:31,287 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:24:31,287 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:24:31,287 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:24:31,287 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:24:31,287 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:31,287 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:24:31,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:24:31,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:24:31,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:24:31,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:24:31,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:24:31,288 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:24:31,288 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:31,289 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:24:31,289 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_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b2ee659e7bd0f15011c822a777a938a0e6f5b3a8f826a051cccefa88973daa0 [2024-11-25 04:24:31,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:24:31,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:24:31,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:24:31,593 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:24:31,596 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:24:31,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c [2024-11-25 04:24:34,632 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/data/7380df35f/d3d410c3fd0e46a0939c8493e7565d06/FLAG80481e6d3 [2024-11-25 04:24:34,888 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:24:34,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c [2024-11-25 04:24:34,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/data/7380df35f/d3d410c3fd0e46a0939c8493e7565d06/FLAG80481e6d3 [2024-11-25 04:24:34,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/data/7380df35f/d3d410c3fd0e46a0939c8493e7565d06 [2024-11-25 04:24:34,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:24:34,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:24:34,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:24:34,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:24:34,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:24:34,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:24:34" (1/1) ... [2024-11-25 04:24:34,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6176fb00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:34, skipping insertion in model container [2024-11-25 04:24:34,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:24:34" (1/1) ... [2024-11-25 04:24:34,977 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:24:35,167 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_cac31334-9f6b-4d76-b66c-88a10b9185d9/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c[458,471] [2024-11-25 04:24:35,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:24:35,217 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:24:35,232 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_cac31334-9f6b-4d76-b66c-88a10b9185d9/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c[458,471] [2024-11-25 04:24:35,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:24:35,272 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:24:35,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:35 WrapperNode [2024-11-25 04:24:35,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:24:35,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:24:35,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:24:35,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:24:35,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:35" (1/1) ... [2024-11-25 04:24:35,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:35" (1/1) ... [2024-11-25 04:24:35,318 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-11-25 04:24:35,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:24:35,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:24:35,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:24:35,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:24:35,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:35" (1/1) ... [2024-11-25 04:24:35,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:35" (1/1) ... [2024-11-25 04:24:35,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:35" (1/1) ... [2024-11-25 04:24:35,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:35" (1/1) ... [2024-11-25 04:24:35,342 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:35" (1/1) ... [2024-11-25 04:24:35,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:35" (1/1) ... [2024-11-25 04:24:35,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:35" (1/1) ... [2024-11-25 04:24:35,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:35" (1/1) ... [2024-11-25 04:24:35,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:35" (1/1) ... [2024-11-25 04:24:35,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:24:35,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:24:35,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:24:35,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:24:35,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:35" (1/1) ... [2024-11-25 04:24:35,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:24:35,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:24:35,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:24:35,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:24:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:24:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:24:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:24:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:24:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:24:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:24:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:24:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:24:35,522 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:24:35,524 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:24:36,385 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 04:24:36,385 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:24:36,429 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:24:36,430 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:24:36,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:24:36 BoogieIcfgContainer [2024-11-25 04:24:36,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:24:36,431 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:24:36,431 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:24:36,442 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:24:36,443 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:24:36" (1/1) ... [2024-11-25 04:24:36,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:24:36,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-25 04:24:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-25 04:24:36,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:24:36,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:36,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:36,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:36,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:36,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:24:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:37,169 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:37,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:24:37,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:24:37,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:24:39,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-25 04:24:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-25 04:24:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:24:39,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:39,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:39,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:39,862 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:39,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:24:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:40,334 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:40,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:24:40,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:57,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:24:57,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 04:25:26,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:26,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-11-25 04:25:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-25 04:25:26,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:25:26,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:26,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:26,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:26,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:26,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:25:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:27,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:28,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:25:28,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:29,849 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:25:29,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 04:26:21,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:26:21,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-25 04:26:21,999 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-25 04:26:22,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:26:22,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:26:22,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:26:22,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:26:22,002 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:26:22,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:26:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:22,538 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:26:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:26:22,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:26:22,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:26:27,194 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 04:26:27,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 04:27:37,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:37,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 51 transitions. [2024-11-25 04:27:37,158 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-11-25 04:27:37,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 04:27:37,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:37,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:37,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:37,162 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:37,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 04:27:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:38,645 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:39,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 04:27:39,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:40,960 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 04:27:40,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-25 04:28:45,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:28:49,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:28:49,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:49,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 55 transitions. [2024-11-25 04:28:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-25 04:28:49,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 04:28:49,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:49,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:49,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:49,395 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:49,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 04:28:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:50,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:51,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 04:28:51,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 04:28:55,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 04:30:38,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:30:38,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 71 transitions. [2024-11-25 04:30:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2024-11-25 04:30:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:30:38,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:30:38,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:30:38,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:30:38,622 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:30:38,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 04:30:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:40,568 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:30:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:30:41,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:30:41,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:30:43,836 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-25 04:30:43,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 04:31:37,027 WARN L286 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:31:39,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:32:05,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:32:06,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:32:07,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:07,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 75 transitions. [2024-11-25 04:32:07,750 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2024-11-25 04:32:07,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 04:32:07,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:07,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:07,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:07,755 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:07,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 04:32:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:09,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:09,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 04:32:09,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:15,635 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-25 04:32:15,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 04:33:58,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:58,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 86 transitions. [2024-11-25 04:33:58,608 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-11-25 04:33:58,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 04:33:58,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:58,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:33:58,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:33:58,611 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:33:58,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 04:34:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:00,983 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:34:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:34:02,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:34:02,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:34:04,518 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 21 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 04:34:04,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-25 04:34:29,390 WARN L286 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:35:01,662 WARN L286 SmtUtils]: Spent 5.91s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:35:04,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:35:35,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:35:35,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:35:35,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 90 transitions. [2024-11-25 04:35:35,684 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2024-11-25 04:35:35,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 04:35:35,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:35:35,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:35:35,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:35:35,691 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:35:35,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 04:35:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:37,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:35:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:38,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:35:38,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:35:44,038 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-25 04:35:44,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 04:37:23,849 WARN L286 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:37:39,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:37:39,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 101 transitions. [2024-11-25 04:37:39,918 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2024-11-25 04:37:39,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 04:37:39,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:37:39,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:37:39,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:37:39,924 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:37:39,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 04:37:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:37:42,874 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:37:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:37:44,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 04:37:44,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:37:47,421 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 31 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-25 04:37:47,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac31334-9f6b-4d76-b66c-88a10b9185d9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 04:38:15,929 WARN L286 SmtUtils]: Spent 6.79s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)