./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dcebefc76bde79b9a5fa67feebc75881761b0a4209b78516b385f787f62f9340 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:02:27,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:02:27,820 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:02:27,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:02:27,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:02:27,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:02:27,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:02:27,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:02:27,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:02:27,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:02:27,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:02:27,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:02:27,861 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:02:27,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:02:27,861 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:02:27,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:02:27,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:02:27,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:02:27,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:02:27,862 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:02:27,864 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:02:27,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:02:27,865 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:02:27,865 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:02:27,866 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:02:27,866 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:02:27,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:02:27,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:27,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:02:27,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:02:27,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:02:27,867 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:02:27,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:02:27,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcebefc76bde79b9a5fa67feebc75881761b0a4209b78516b385f787f62f9340 [2024-11-09 00:02:28,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:02:28,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:02:28,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:02:28,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:02:28,241 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:02:28,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c Unable to find full path for "g++" [2024-11-09 00:02:30,380 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:02:30,588 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:02:30,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c [2024-11-09 00:02:30,600 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/data/726e69c11/f0bf92beab72450598eebaafd370df99/FLAG3d422f1f6 [2024-11-09 00:02:30,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/data/726e69c11/f0bf92beab72450598eebaafd370df99 [2024-11-09 00:02:30,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:02:30,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:02:30,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:02:30,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:02:30,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:02:30,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:30,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54597201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30, skipping insertion in model container [2024-11-09 00:02:30,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:30,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:02:30,905 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_50f228df-977c-4dfe-9ee7-273f22378f6b/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c[458,471] [2024-11-09 00:02:30,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:02:30,941 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:02:30,954 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_50f228df-977c-4dfe-9ee7-273f22378f6b/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c[458,471] [2024-11-09 00:02:30,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:02:30,976 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:02:30,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30 WrapperNode [2024-11-09 00:02:30,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:02:30,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:02:30,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:02:30,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:02:30,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:30,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:31,009 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-11-09 00:02:31,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:02:31,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:02:31,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:02:31,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:02:31,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:31,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:31,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:31,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:31,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:31,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:31,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:31,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:31,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:02:31,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:02:31,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:02:31,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:02:31,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:30" (1/1) ... [2024-11-09 00:02:31,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:31,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:02:31,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:02:31,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:02:31,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:02:31,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:02:31,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:02:31,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:02:31,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:02:31,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:02:31,198 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:02:31,199 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:02:31,335 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 00:02:31,335 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:02:31,387 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:02:31,387 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:02:31,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:31 BoogieIcfgContainer [2024-11-09 00:02:31,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:02:31,388 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:02:31,389 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:02:31,400 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:02:31,400 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:31" (1/1) ... [2024-11-09 00:02:31,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:02:31,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:31,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-09 00:02:31,480 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-09 00:02:31,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:02:31,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:31,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:31,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:02:31,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:31,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:31,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:31,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-09 00:02:31,907 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-09 00:02:31,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:02:31,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:31,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:31,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:02:31,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:32,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:32,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-09 00:02:32,073 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-09 00:02:32,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:02:32,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:32,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:32,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:02:32,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:32,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:32,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2024-11-09 00:02:32,391 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2024-11-09 00:02:32,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:02:32,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:32,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:32,698 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:02:33,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:33,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 32 transitions. [2024-11-09 00:02:33,152 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-09 00:02:33,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:02:33,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:33,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:33,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:02:33,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:33,438 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:02:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 48 transitions. [2024-11-09 00:02:34,046 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-11-09 00:02:34,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:02:34,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:34,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:34,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:02:34,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:34,202 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:02:34,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:34,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 52 transitions. [2024-11-09 00:02:34,495 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-09 00:02:34,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:02:34,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:34,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:34,635 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:02:34,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:34,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 54 transitions. [2024-11-09 00:02:34,816 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-11-09 00:02:34,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:02:34,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:34,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:34,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 00:02:34,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:35,166 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 00:02:36,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:36,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 68 transitions. [2024-11-09 00:02:36,033 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2024-11-09 00:02:36,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:02:36,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:36,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:36,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:02:36,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:36,236 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:02:36,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:36,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 72 transitions. [2024-11-09 00:02:36,606 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2024-11-09 00:02:36,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:02:36,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:36,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:36,738 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:02:36,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:36,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 74 transitions. [2024-11-09 00:02:36,979 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2024-11-09 00:02:36,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:02:36,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:36,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:37,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 00:02:37,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:37,328 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:02:38,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 88 transitions. [2024-11-09 00:02:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2024-11-09 00:02:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:02:38,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:38,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:38,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:02:38,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:38,588 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:02:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 52 states and 92 transitions. [2024-11-09 00:02:38,992 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2024-11-09 00:02:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 00:02:38,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:38,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-09 00:02:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:39,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 53 states and 94 transitions. [2024-11-09 00:02:39,411 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2024-11-09 00:02:39,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:02:39,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:39,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:39,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 00:02:39,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:39,894 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 43 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:02:41,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:41,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 108 transitions. [2024-11-09 00:02:41,247 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2024-11-09 00:02:41,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:02:41,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:41,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:41,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 00:02:41,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:41,540 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:02:41,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:41,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 112 transitions. [2024-11-09 00:02:41,966 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2024-11-09 00:02:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 00:02:41,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:41,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:42,037 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-09 00:02:42,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:42,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 63 states and 114 transitions. [2024-11-09 00:02:42,352 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 114 transitions. [2024-11-09 00:02:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:02:42,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:42,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:42,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 00:02:42,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:42,813 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:02:44,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 70 states and 128 transitions. [2024-11-09 00:02:44,150 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 128 transitions. [2024-11-09 00:02:44,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:02:44,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:44,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:44,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 00:02:44,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:45,260 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 26 proven. 58 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 00:02:46,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 132 transitions. [2024-11-09 00:02:46,379 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 132 transitions. [2024-11-09 00:02:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 00:02:46,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:46,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:46,474 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-09 00:02:46,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:46,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 73 states and 134 transitions. [2024-11-09 00:02:46,827 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 134 transitions. [2024-11-09 00:02:46,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 00:02:46,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:46,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:46,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-09 00:02:46,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:47,710 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 27 proven. 80 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-09 00:02:49,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:49,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 80 states and 148 transitions. [2024-11-09 00:02:49,471 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 148 transitions. [2024-11-09 00:02:49,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:02:49,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:49,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:50,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 00:02:50,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:50,745 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 31 proven. 78 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 00:02:51,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:51,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 152 transitions. [2024-11-09 00:02:51,875 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 152 transitions. [2024-11-09 00:02:51,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 00:02:51,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:51,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:51,983 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-09 00:02:52,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:52,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 83 states and 154 transitions. [2024-11-09 00:02:52,341 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 154 transitions. [2024-11-09 00:02:52,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 00:02:52,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:52,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:52,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 00:02:52,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:53,024 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 84 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 00:02:54,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:54,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 90 states and 168 transitions. [2024-11-09 00:02:54,958 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 168 transitions. [2024-11-09 00:02:54,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 00:02:54,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:54,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:55,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 00:02:55,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:55,729 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 36 proven. 101 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-09 00:02:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 172 transitions. [2024-11-09 00:02:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 172 transitions. [2024-11-09 00:02:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 00:02:56,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:56,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:56,657 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-09 00:02:57,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:57,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 93 states and 174 transitions. [2024-11-09 00:02:57,106 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 174 transitions. [2024-11-09 00:02:57,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 00:02:57,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:57,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:57,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 00:02:57,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:57,645 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 18 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:02:59,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 100 states and 188 transitions. [2024-11-09 00:02:59,777 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 188 transitions. [2024-11-09 00:02:59,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 00:02:59,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:59,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:03:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:00,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 00:03:00,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:00,463 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 41 proven. 127 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 00:03:01,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:01,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 102 states and 192 transitions. [2024-11-09 00:03:01,396 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2024-11-09 00:03:01,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 00:03:01,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:01,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:01,541 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-09 00:03:02,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:02,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 103 states and 194 transitions. [2024-11-09 00:03:02,130 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 194 transitions. [2024-11-09 00:03:02,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 00:03:02,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:02,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:03:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:02,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-09 00:03:02,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:02,827 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 19 proven. 163 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-09 00:03:05,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:05,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 110 states and 208 transitions. [2024-11-09 00:03:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 208 transitions. [2024-11-09 00:03:05,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 00:03:05,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:05,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:03:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:05,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 00:03:05,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:06,126 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 46 proven. 156 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-09 00:03:07,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:07,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 112 states and 212 transitions. [2024-11-09 00:03:07,149 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 212 transitions. [2024-11-09 00:03:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 00:03:07,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:07,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:07,245 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-09 00:03:07,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:07,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 113 states and 214 transitions. [2024-11-09 00:03:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 214 transitions. [2024-11-09 00:03:07,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 00:03:07,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:07,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:03:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:07,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-09 00:03:07,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:08,609 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 22 proven. 165 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 00:03:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 120 states and 228 transitions. [2024-11-09 00:03:11,389 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 228 transitions. [2024-11-09 00:03:11,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 00:03:11,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:11,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:03:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:12,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 00:03:12,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:12,712 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 51 proven. 188 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-09 00:03:13,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:13,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 122 states and 232 transitions. [2024-11-09 00:03:13,874 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 232 transitions. [2024-11-09 00:03:13,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 00:03:13,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:13,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:13,975 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 63 proven. 4 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-09 00:03:14,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:14,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 123 states and 234 transitions. [2024-11-09 00:03:14,623 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 234 transitions. [2024-11-09 00:03:14,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 00:03:14,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:14,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:03:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:14,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-09 00:03:14,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 56 proven. 199 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-09 00:03:19,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:19,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 130 states and 248 transitions. [2024-11-09 00:03:19,742 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 248 transitions. [2024-11-09 00:03:19,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 00:03:19,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:19,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:03:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:20,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-09 00:03:20,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:20,569 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 49 proven. 257 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-09 00:03:21,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:21,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 252 transitions. [2024-11-09 00:03:21,667 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 252 transitions. [2024-11-09 00:03:21,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 00:03:21,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:21,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:21,795 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2024-11-09 00:03:22,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:22,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 133 states and 254 transitions. [2024-11-09 00:03:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 254 transitions. [2024-11-09 00:03:22,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 00:03:22,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:22,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:03:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:22,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-09 00:03:22,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:23,464 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 26 proven. 234 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 00:03:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:26,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 140 states and 268 transitions. [2024-11-09 00:03:26,861 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 268 transitions. [2024-11-09 00:03:26,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 00:03:26,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:26,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:03:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:30,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-09 00:03:30,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:30,942 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 57 proven. 295 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-11-09 00:03:32,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:32,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 142 states and 272 transitions. [2024-11-09 00:03:32,451 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 272 transitions. [2024-11-09 00:03:32,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 00:03:32,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:32,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:32,550 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2024-11-09 00:03:33,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:33,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 143 states and 274 transitions. [2024-11-09 00:03:33,294 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 274 transitions. [2024-11-09 00:03:33,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 00:03:33,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:33,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:03:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:33,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-09 00:03:33,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:34,180 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 28 proven. 273 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 00:03:37,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 150 states and 288 transitions. [2024-11-09 00:03:37,685 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 288 transitions. [2024-11-09 00:03:37,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 00:03:37,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:37,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:03:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:38,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 00:03:38,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:38,648 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 66 proven. 302 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-09 00:03:40,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:40,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 152 states and 292 transitions. [2024-11-09 00:03:40,356 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 292 transitions. [2024-11-09 00:03:40,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 00:03:40,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:40,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:40,455 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 638 trivial. 0 not checked. [2024-11-09 00:03:41,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:41,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 153 states and 294 transitions. [2024-11-09 00:03:41,301 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 294 transitions. [2024-11-09 00:03:41,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 00:03:41,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:41,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:03:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:41,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-09 00:03:41,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:42,246 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 29 proven. 358 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-09 00:03:46,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:46,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 160 states and 308 transitions. [2024-11-09 00:03:46,166 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 308 transitions. [2024-11-09 00:03:46,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 00:03:46,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:46,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:03:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:46,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-09 00:03:46,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:47,325 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 71 proven. 346 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-09 00:03:48,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:48,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 162 states and 312 transitions. [2024-11-09 00:03:48,927 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 312 transitions. [2024-11-09 00:03:48,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 00:03:48,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:48,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 87 proven. 4 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2024-11-09 00:03:49,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:49,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 314 transitions. [2024-11-09 00:03:49,960 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 314 transitions. [2024-11-09 00:03:49,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 00:03:49,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:49,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:03:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:50,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-09 00:03:50,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 32 proven. 360 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 00:03:55,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:55,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 170 states and 328 transitions. [2024-11-09 00:03:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 328 transitions. [2024-11-09 00:03:55,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-09 00:03:55,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:55,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:05,656 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) [2024-11-09 00:04:05,663 INFO L158 Benchmark]: Toolchain (without parser) took 95028.33ms. Allocated memory was 153.1MB in the beginning and 809.5MB in the end (delta: 656.4MB). Free memory was 118.4MB in the beginning and 507.3MB in the end (delta: -388.8MB). Peak memory consumption was 270.2MB. Max. memory is 16.1GB. [2024-11-09 00:04:05,663 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 104.9MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:04:05,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.07ms. Allocated memory is still 153.1MB. Free memory was 118.1MB in the beginning and 105.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:04:05,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.66ms. Allocated memory is still 153.1MB. Free memory was 105.6MB in the beginning and 104.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:04:05,665 INFO L158 Benchmark]: Boogie Preprocessor took 25.50ms. Allocated memory is still 153.1MB. Free memory was 104.1MB in the beginning and 102.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:04:05,674 INFO L158 Benchmark]: RCFGBuilder took 351.39ms. Allocated memory is still 153.1MB. Free memory was 102.9MB in the beginning and 91.2MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:04:05,674 INFO L158 Benchmark]: CodeCheck took 94270.65ms. Allocated memory was 153.1MB in the beginning and 809.5MB in the end (delta: 656.4MB). Free memory was 91.2MB in the beginning and 507.3MB in the end (delta: -416.1MB). Peak memory consumption was 242.9MB. Max. memory is 16.1GB. [2024-11-09 00:04:05,682 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 0.76ms. Allocated memory is still 104.9MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.07ms. Allocated memory is still 153.1MB. Free memory was 118.1MB in the beginning and 105.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.66ms. Allocated memory is still 153.1MB. Free memory was 105.6MB in the beginning and 104.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.50ms. Allocated memory is still 153.1MB. Free memory was 104.1MB in the beginning and 102.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 351.39ms. Allocated memory is still 153.1MB. Free memory was 102.9MB in the beginning and 91.2MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 94270.65ms. Allocated memory was 153.1MB in the beginning and 809.5MB in the end (delta: 656.4MB). Free memory was 91.2MB in the beginning and 507.3MB in the end (delta: -416.1MB). Peak memory consumption was 242.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:04:05,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dcebefc76bde79b9a5fa67feebc75881761b0a4209b78516b385f787f62f9340 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:04:08,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:04:08,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:04:08,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:04:08,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:04:08,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:04:08,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:04:08,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:04:08,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:04:08,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:04:08,246 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:04:08,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:04:08,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:04:08,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:04:08,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:04:08,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:04:08,252 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:04:08,253 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:04:08,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:04:08,253 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:04:08,254 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:04:08,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:04:08,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:04:08,255 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:04:08,255 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:04:08,255 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:04:08,255 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:04:08,256 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:04:08,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:04:08,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:04:08,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:04:08,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:04:08,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:04:08,257 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:04:08,260 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:04:08,260 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:04:08,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcebefc76bde79b9a5fa67feebc75881761b0a4209b78516b385f787f62f9340 [2024-11-09 00:04:08,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:04:08,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:04:08,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:04:08,704 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:04:08,705 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:04:08,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c Unable to find full path for "g++" [2024-11-09 00:04:10,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:04:11,152 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:04:11,153 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c [2024-11-09 00:04:11,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/data/c7b6d74a3/e413c4fef5fd44fa9823cf5756be840d/FLAG731cb41e2 [2024-11-09 00:04:11,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/data/c7b6d74a3/e413c4fef5fd44fa9823cf5756be840d [2024-11-09 00:04:11,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:04:11,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:04:11,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:04:11,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:04:11,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:04:11,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebd7634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11, skipping insertion in model container [2024-11-09 00:04:11,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:04:11,478 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_50f228df-977c-4dfe-9ee7-273f22378f6b/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c[458,471] [2024-11-09 00:04:11,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:04:11,527 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:04:11,545 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_50f228df-977c-4dfe-9ee7-273f22378f6b/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c[458,471] [2024-11-09 00:04:11,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:04:11,587 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:04:11,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11 WrapperNode [2024-11-09 00:04:11,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:04:11,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:04:11,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:04:11,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:04:11,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,628 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-09 00:04:11,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:04:11,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:04:11,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:04:11,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:04:11,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:04:11,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:04:11,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:04:11,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:04:11,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:04:11,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:04:11,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:04:11,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:04:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:04:11,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:04:11,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:04:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:04:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:04:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:04:11,849 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:04:11,852 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:04:12,170 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 00:04:12,172 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:04:12,257 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:04:12,257 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:04:12,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:04:12 BoogieIcfgContainer [2024-11-09 00:04:12,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:04:12,259 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:04:12,259 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:04:12,270 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:04:12,271 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:04:12" (1/1) ... [2024-11-09 00:04:12,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:04:12,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:12,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-09 00:04:12,358 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-09 00:04:12,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:04:12,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:12,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:04:12,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:04:12,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:04:12,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:04:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:12,786 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:04:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:12,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:04:12,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:13,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:04:13,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:04:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-09 00:04:14,989 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-09 00:04:14,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:04:14,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:14,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:04:14,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:04:14,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:04:14,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:04:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:15,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:04:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:15,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:04:15,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:15,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:04:15,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:04:20,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:20,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-11-09 00:04:20,087 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-11-09 00:04:20,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:04:20,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:20,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:04:20,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:04:20,090 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:04:20,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:04:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:20,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:04:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:20,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:04:20,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:04:21,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:04:23,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:23,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2024-11-09 00:04:23,950 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2024-11-09 00:04:23,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:04:23,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:23,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:04:23,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:04:23,955 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:04:23,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:04:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:24,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:04:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:24,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:04:24,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:36,111 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:04:36,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-09 00:05:00,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:00,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2024-11-09 00:05:00,782 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-11-09 00:05:00,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:05:00,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:00,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:05:00,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:05:00,785 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:05:00,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:05:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:01,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:05:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:01,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:05:01,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:05:04,276 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:05:04,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:05:16,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:16,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 68 transitions. [2024-11-09 00:05:16,473 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2024-11-09 00:05:16,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:05:16,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:16,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:05:16,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:05:16,476 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:05:16,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:05:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:17,171 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:05:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:17,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:05:17,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:05:18,327 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:05:18,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-09 00:05:24,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:24,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2024-11-09 00:05:24,375 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2024-11-09 00:05:24,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:05:24,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:24,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:05:24,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:05:24,380 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:05:24,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:05:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:24,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:05:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:24,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:05:24,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:05:27,560 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:05:27,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-09 00:05:41,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:41,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2024-11-09 00:05:41,196 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2024-11-09 00:05:41,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:05:41,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:41,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:05:41,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:05:41,204 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:05:41,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:05:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:42,024 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:05:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:42,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:05:42,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:05:45,637 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 00:05:45,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 00:05:58,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:58,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 44 states and 88 transitions. [2024-11-09 00:05:58,840 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 88 transitions. [2024-11-09 00:05:58,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:05:58,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:58,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:05:58,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:05:58,843 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:05:58,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:05:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:59,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:00,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:06:00,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:01,500 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 00:06:01,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:09,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 47 states and 94 transitions. [2024-11-09 00:06:09,155 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 94 transitions. [2024-11-09 00:06:09,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:06:09,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:09,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:09,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:09,160 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:09,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:06:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:09,211 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:09,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:06:09,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:06:12,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:26,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:26,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 48 states and 97 transitions. [2024-11-09 00:06:26,361 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2024-11-09 00:06:26,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:06:26,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:26,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:26,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:26,366 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:26,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:06:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:27,290 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:27,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 00:06:27,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 00:06:31,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:45,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 108 transitions. [2024-11-09 00:06:45,147 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2024-11-09 00:06:45,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:06:45,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:45,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:45,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:45,153 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:45,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:06:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:46,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:46,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:06:46,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:48,771 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 00:06:48,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:57,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 55 states and 114 transitions. [2024-11-09 00:06:57,983 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 114 transitions. [2024-11-09 00:06:57,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 00:06:57,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:57,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:57,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:57,990 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:57,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:06:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:58,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:58,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:06:58,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-09 00:07:01,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:17,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 56 states and 117 transitions. [2024-11-09 00:07:17,739 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 117 transitions. [2024-11-09 00:07:17,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:07:17,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:17,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:17,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:17,743 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:17,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:07:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:18,949 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:19,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:07:19,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 43 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:07:26,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:47,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:47,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 60 states and 128 transitions. [2024-11-09 00:07:47,358 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 128 transitions. [2024-11-09 00:07:47,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:07:47,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:47,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:47,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:47,361 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:47,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:07:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:48,686 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:49,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 00:07:49,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:51,603 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 11 proven. 57 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:07:51,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:02,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:02,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 63 states and 134 transitions. [2024-11-09 00:08:02,560 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 134 transitions. [2024-11-09 00:08:02,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 00:08:02,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:02,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:02,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:02,564 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:02,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:08:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:02,697 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:03,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:08:03,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-09 00:08:07,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:25,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:25,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 64 states and 137 transitions. [2024-11-09 00:08:25,085 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 137 transitions. [2024-11-09 00:08:25,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:08:25,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:25,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:25,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:25,092 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:25,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:08:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:26,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:27,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 00:08:27,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:32,317 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 11 proven. 61 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 00:08:32,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-09 00:08:56,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:56,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 68 states and 148 transitions. [2024-11-09 00:08:56,161 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 148 transitions. [2024-11-09 00:08:56,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:08:56,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:56,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:56,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:56,167 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:56,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:08:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:57,819 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:58,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 00:08:58,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 11 proven. 73 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 00:09:01,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:14,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:14,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 71 states and 154 transitions. [2024-11-09 00:09:14,610 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 154 transitions. [2024-11-09 00:09:14,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 00:09:14,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:14,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:14,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:14,613 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:14,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:09:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:14,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:15,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:09:15,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-09 00:09:18,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:39,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:39,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 72 states and 157 transitions. [2024-11-09 00:09:39,053 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 157 transitions. [2024-11-09 00:09:39,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 00:09:39,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:39,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:39,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:39,058 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:39,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:09:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:40,895 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:41,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 00:09:41,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:51,474 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 13 proven. 82 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 00:09:51,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:21,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:21,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2024-11-09 00:10:21,723 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2024-11-09 00:10:21,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:10:21,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:21,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:21,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:21,729 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:21,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:10:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:23,678 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:24,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 00:10:24,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:28,381 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 13 proven. 96 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 00:10:28,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:43,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:43,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 79 states and 174 transitions. [2024-11-09 00:10:43,952 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 174 transitions. [2024-11-09 00:10:43,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 00:10:43,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:43,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:43,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:43,956 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:43,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:10:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:44,048 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:44,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:10:44,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:48,058 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-09 00:10:48,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:08,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:08,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 80 states and 177 transitions. [2024-11-09 00:11:08,529 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 177 transitions. [2024-11-09 00:11:08,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 00:11:08,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:08,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:08,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:08,532 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:08,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:11:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:10,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:11,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 00:11:11,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:19,515 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 15 proven. 106 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-09 00:11:19,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:53,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:53,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 84 states and 188 transitions. [2024-11-09 00:11:53,188 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 188 transitions. [2024-11-09 00:11:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 00:11:53,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:53,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:53,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:53,191 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:53,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:11:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:55,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:56,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 00:11:56,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 15 proven. 122 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-09 00:12:00,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-09 00:12:19,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:19,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 87 states and 194 transitions. [2024-11-09 00:12:19,227 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 194 transitions. [2024-11-09 00:12:19,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 00:12:19,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:19,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:19,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:19,231 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:19,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 00:12:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:19,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:20,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:12:20,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-09 00:12:23,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-09 00:12:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 88 states and 197 transitions. [2024-11-09 00:12:46,285 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 197 transitions. [2024-11-09 00:12:46,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 00:12:46,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:46,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:46,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:46,288 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:46,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-09 00:12:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:48,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:49,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 00:12:49,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 17 proven. 133 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 00:13:09,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-09 00:14:00,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:14:01,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:01,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 92 states and 208 transitions. [2024-11-09 00:14:01,040 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 208 transitions. [2024-11-09 00:14:01,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 00:14:01,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:01,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:01,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:01,042 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:01,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 00:14:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:03,538 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:04,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 00:14:04,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 17 proven. 151 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 00:14:10,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:31,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:31,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 95 states and 214 transitions. [2024-11-09 00:14:31,671 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 214 transitions. [2024-11-09 00:14:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 00:14:31,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:31,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:31,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:31,677 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:31,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-09 00:14:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:31,744 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:32,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:14:32,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:35,842 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-09 00:14:35,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:59,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 96 states and 217 transitions. [2024-11-09 00:14:59,985 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 217 transitions. [2024-11-09 00:14:59,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 00:14:59,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:59,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:59,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:59,993 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:59,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-09 00:15:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:02,502 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:03,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 00:15:03,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:15,531 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 19 proven. 163 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-09 00:15:15,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:02,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 100 states and 228 transitions. [2024-11-09 00:16:02,366 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 228 transitions. [2024-11-09 00:16:02,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 00:16:02,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:02,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:02,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:02,370 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:02,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-09 00:16:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:05,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:06,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 00:16:06,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:13,493 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 19 proven. 183 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-09 00:16:13,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-09 00:16:37,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 103 states and 234 transitions. [2024-11-09 00:16:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 234 transitions. [2024-11-09 00:16:37,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 00:16:37,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:37,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:37,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:37,821 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:37,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-09 00:16:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:37,894 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:38,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:16:38,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:42,881 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-09 00:16:42,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:08,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:08,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 104 states and 237 transitions. [2024-11-09 00:17:08,036 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 237 transitions. [2024-11-09 00:17:08,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 00:17:08,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:08,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:08,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:08,041 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:08,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50f228df-977c-4dfe-9ee7-273f22378f6b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-09 00:17:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:11,083 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:12,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-09 00:17:12,358 INFO L278 TraceCheckSpWp]: Computing forward predicates...