./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps6-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps6-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:16:38,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:16:38,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:16:38,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:16:38,730 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:16:38,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:16:38,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:16:38,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:16:38,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:16:38,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:16:38,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:16:38,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:16:38,769 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:16:38,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:16:38,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:16:38,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:16:38,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:16:38,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:16:38,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:16:38,770 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:16:38,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:16:38,770 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:16:38,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:16:38,771 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:16:38,771 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:16:38,771 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:16:38,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:16:38,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:16:38,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:16:38,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:16:38,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:16:38,772 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:16:38,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:16:38,772 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 [2024-11-25 02:16:39,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:16:39,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:16:39,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:16:39,182 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:16:39,183 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:16:39,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench/ps6-ll.c [2024-11-25 02:16:42,250 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/data/8896144df/aa29703a43994e02ae1d0f5989e578f0/FLAGcfda6cff4 [2024-11-25 02:16:42,556 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:16:42,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/sv-benchmarks/c/nla-digbench/ps6-ll.c [2024-11-25 02:16:42,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/data/8896144df/aa29703a43994e02ae1d0f5989e578f0/FLAGcfda6cff4 [2024-11-25 02:16:42,604 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/data/8896144df/aa29703a43994e02ae1d0f5989e578f0 [2024-11-25 02:16:42,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:16:42,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:16:42,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:16:42,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:16:42,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:16:42,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:16:42" (1/1) ... [2024-11-25 02:16:42,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d72bac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:42, skipping insertion in model container [2024-11-25 02:16:42,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:16:42" (1/1) ... [2024-11-25 02:16:42,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:16:42,826 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_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2024-11-25 02:16:42,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:16:42,871 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:16:42,886 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_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2024-11-25 02:16:42,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:16:42,918 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:16:42,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:42 WrapperNode [2024-11-25 02:16:42,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:16:42,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:16:42,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:16:42,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:16:42,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:42" (1/1) ... [2024-11-25 02:16:42,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:42" (1/1) ... [2024-11-25 02:16:42,957 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-11-25 02:16:42,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:16:42,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:16:42,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:16:42,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:16:42,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:42" (1/1) ... [2024-11-25 02:16:42,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:42" (1/1) ... [2024-11-25 02:16:42,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:42" (1/1) ... [2024-11-25 02:16:42,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:42" (1/1) ... [2024-11-25 02:16:42,975 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:42" (1/1) ... [2024-11-25 02:16:42,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:42" (1/1) ... [2024-11-25 02:16:42,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:42" (1/1) ... [2024-11-25 02:16:42,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:42" (1/1) ... [2024-11-25 02:16:42,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:42" (1/1) ... [2024-11-25 02:16:42,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:16:42,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:16:42,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:16:42,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:16:42,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:16:42" (1/1) ... [2024-11-25 02:16:43,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:16:43,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:16:43,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:16:43,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:16:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:16:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:16:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:16:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:16:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:16:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:16:43,126 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:16:43,128 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:16:43,274 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 02:16:43,274 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:16:43,316 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:16:43,316 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:16:43,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:16:43 BoogieIcfgContainer [2024-11-25 02:16:43,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:16:43,317 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:16:43,317 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:16:43,329 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:16:43,329 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:16:43" (1/1) ... [2024-11-25 02:16:43,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:16:43,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:43,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-25 02:16:43,394 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-25 02:16:43,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:16:43,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:43,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:16:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:43,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:16:43,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:43,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:16:43,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:43,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-11-25 02:16:43,872 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-11-25 02:16:43,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:16:43,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:43,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:44,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:16:44,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:44,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-25 02:16:44,845 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-25 02:16:44,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:16:44,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:44,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:16:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:44,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:16:44,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:44,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:16:45,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:45,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-25 02:16:45,326 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-25 02:16:45,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:16:45,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:45,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:16:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:45,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 02:16:45,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:45,441 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 02:16:45,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:45,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-25 02:16:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-25 02:16:45,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:16:45,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:45,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:16:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:45,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 02:16:45,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:45,781 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:16:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:46,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2024-11-25 02:16:46,225 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2024-11-25 02:16:46,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:16:46,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:46,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:16:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:46,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:16:46,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:46,436 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:16:47,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:47,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2024-11-25 02:16:47,329 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2024-11-25 02:16:47,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 02:16:47,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:47,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:16:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:47,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 02:16:47,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:16:48,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:48,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-11-25 02:16:48,040 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-11-25 02:16:48,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 02:16:48,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:48,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:16:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:48,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 02:16:48,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:48,307 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:16:49,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:49,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2024-11-25 02:16:49,429 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2024-11-25 02:16:49,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:16:49,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:49,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:16:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:49,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 02:16:49,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:50,319 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:16:51,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:51,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2024-11-25 02:16:51,071 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2024-11-25 02:16:51,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 02:16:51,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:51,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:16:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:51,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 02:16:51,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:51,448 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 02:16:52,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:52,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 82 transitions. [2024-11-25 02:16:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2024-11-25 02:16:52,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 02:16:52,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:52,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:16:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:53,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 02:16:53,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:53,720 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 17 proven. 36 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 02:16:54,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:54,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2024-11-25 02:16:54,459 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2024-11-25 02:16:54,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 02:16:54,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:54,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:16:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:54,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 02:16:54,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:54,821 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 02:16:56,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 52 states and 99 transitions. [2024-11-25 02:16:56,143 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 99 transitions. [2024-11-25 02:16:56,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 02:16:56,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:56,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:17:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:17:06,200 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 02:17:06,205 INFO L158 Benchmark]: Toolchain (without parser) took 23594.58ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 119.5MB in the beginning and 158.2MB in the end (delta: -38.8MB). Peak memory consumption was 223.3MB. Max. memory is 16.1GB. [2024-11-25 02:17:06,206 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:17:06,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.49ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 108.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:17:06,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.56ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:17:06,207 INFO L158 Benchmark]: Boogie Preprocessor took 30.48ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 106.3MB in the end (delta: 569.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:17:06,208 INFO L158 Benchmark]: RCFGBuilder took 325.36ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 94.3MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:17:06,208 INFO L158 Benchmark]: CodeCheck took 22886.66ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 94.1MB in the beginning and 158.2MB in the end (delta: -64.1MB). Peak memory consumption was 198.1MB. Max. memory is 16.1GB. [2024-11-25 02:17:06,211 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 0.41ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.49ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 108.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.56ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.48ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 106.3MB in the end (delta: 569.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 325.36ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 94.3MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 22886.66ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 94.1MB in the beginning and 158.2MB in the end (delta: -64.1MB). Peak memory consumption was 198.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:17:06,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps6-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:17:09,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:17:09,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:17:09,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:17:09,184 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:17:09,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:17:09,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:17:09,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:17:09,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:17:09,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:17:09,187 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:17:09,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:17:09,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:17:09,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:17:09,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:17:09,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:17:09,189 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:17:09,189 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:17:09,189 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:17:09,189 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:17:09,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:17:09,189 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:17:09,189 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:17:09,190 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:17:09,190 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:17:09,190 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:17:09,190 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:17:09,190 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:17:09,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:17:09,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:17:09,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:17:09,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:17:09,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:17:09,192 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:17:09,192 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:17:09,192 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:17:09,192 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 [2024-11-25 02:17:09,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:17:09,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:17:09,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:17:09,619 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:17:09,620 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:17:09,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench/ps6-ll.c [2024-11-25 02:17:12,724 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/data/893b915af/151b0d389e0d4c08a1c4d9aed641d5d4/FLAG28be6f01a [2024-11-25 02:17:13,028 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:17:13,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/sv-benchmarks/c/nla-digbench/ps6-ll.c [2024-11-25 02:17:13,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/data/893b915af/151b0d389e0d4c08a1c4d9aed641d5d4/FLAG28be6f01a [2024-11-25 02:17:13,330 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/data/893b915af/151b0d389e0d4c08a1c4d9aed641d5d4 [2024-11-25 02:17:13,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:17:13,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:17:13,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:17:13,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:17:13,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:17:13,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:17:13" (1/1) ... [2024-11-25 02:17:13,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346226eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:13, skipping insertion in model container [2024-11-25 02:17:13,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:17:13" (1/1) ... [2024-11-25 02:17:13,370 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:17:13,550 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_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2024-11-25 02:17:13,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:17:13,587 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:17:13,599 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_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2024-11-25 02:17:13,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:17:13,623 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:17:13,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:13 WrapperNode [2024-11-25 02:17:13,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:17:13,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:17:13,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:17:13,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:17:13,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:13" (1/1) ... [2024-11-25 02:17:13,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:13" (1/1) ... [2024-11-25 02:17:13,658 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-25 02:17:13,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:17:13,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:17:13,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:17:13,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:17:13,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:13" (1/1) ... [2024-11-25 02:17:13,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:13" (1/1) ... [2024-11-25 02:17:13,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:13" (1/1) ... [2024-11-25 02:17:13,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:13" (1/1) ... [2024-11-25 02:17:13,674 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:13" (1/1) ... [2024-11-25 02:17:13,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:13" (1/1) ... [2024-11-25 02:17:13,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:13" (1/1) ... [2024-11-25 02:17:13,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:13" (1/1) ... [2024-11-25 02:17:13,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:13" (1/1) ... [2024-11-25 02:17:13,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:17:13,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:17:13,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:17:13,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:17:13,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:17:13" (1/1) ... [2024-11-25 02:17:13,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:17:13,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:17:13,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:17:13,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:17:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:17:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:17:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:17:13,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:17:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:17:13,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:17:13,844 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:17:13,847 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:17:14,504 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 02:17:14,504 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:17:14,561 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:17:14,561 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:17:14,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:17:14 BoogieIcfgContainer [2024-11-25 02:17:14,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:17:14,562 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:17:14,563 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:17:14,574 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:17:14,574 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:17:14" (1/1) ... [2024-11-25 02:17:14,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:17:14,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:17:14,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-25 02:17:14,647 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-25 02:17:14,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:17:14,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:17:14,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:17:14,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:17:14,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:17:14,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:17:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:15,269 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:17:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:15,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 02:17:15,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:17:15,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:17:15,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:17:17,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:17:17,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-11-25 02:17:17,843 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-11-25 02:17:17,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:17:17,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:17:17,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:17:17,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:17:17,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:17:17,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:17:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:18,370 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:17:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:17:18,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 02:17:18,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:17:35,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:17:35,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 02:18:08,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:08,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-25 02:18:08,993 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-25 02:18:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:18:08,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:08,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:18:08,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:18:08,999 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:18:09,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:18:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:10,116 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:18:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:10,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:18:10,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:12,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:18:12,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 02:19:01,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:19:04,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:04,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-25 02:19:04,052 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-25 02:19:04,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:19:04,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:19:04,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:19:04,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:19:04,055 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:19:04,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 02:19:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:04,713 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:19:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:04,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:19:04,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:19:06,578 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:19:06,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 02:20:04,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:20:04,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-11-25 02:20:04,276 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-11-25 02:20:04,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:20:04,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:20:04,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:20:04,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:20:04,280 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:20:04,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 02:20:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:20:05,987 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:20:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:20:06,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 02:20:06,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:20:08,586 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:20:08,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 02:21:09,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:21:11,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:21:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2024-11-25 02:21:11,740 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2024-11-25 02:21:11,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:21:11,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:21:11,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:21:11,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:21:11,744 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:21:11,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 02:21:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:21:12,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:21:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:21:13,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:21:13,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:21:17,161 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:21:17,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 02:22:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:22:57,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2024-11-25 02:22:57,244 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2024-11-25 02:22:57,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 02:22:57,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:22:57,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:22:57,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:22:57,248 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:22:57,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 02:22:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:22:59,370 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:23:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:23:00,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 02:23:00,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:23:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:23:02,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-25 02:23:52,145 WARN L286 SmtUtils]: Spent 6.86s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:23:54,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:24:22,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:24:22,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2024-11-25 02:24:22,691 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2024-11-25 02:24:22,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 02:24:22,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:24:22,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:24:22,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:24:22,696 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:24:22,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 02:24:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:24:24,291 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:24:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:24:24,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 02:24:24,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:24:29,853 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:24:29,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 02:26:12,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:26:12,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 75 transitions. [2024-11-25 02:26:12,173 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 75 transitions. [2024-11-25 02:26:12,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:26:12,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:26:12,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:26:12,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:26:12,177 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:26:12,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 02:26:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:15,059 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:26:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:26:16,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:26:16,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:26:18,939 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:26:18,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-25 02:26:44,320 WARN L286 SmtUtils]: Spent 6.84s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:27:16,055 WARN L286 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:27:47,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:27:49,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:27:51,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:51,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2024-11-25 02:27:51,748 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2024-11-25 02:27:51,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 02:27:51,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:51,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:27:51,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:27:51,753 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:27:51,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 02:27:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:53,879 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:27:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:54,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:27:54,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:28:00,030 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 02:28:00,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 02:28:55,825 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:30:00,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:00,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 44 states and 90 transitions. [2024-11-25 02:30:00,467 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 90 transitions. [2024-11-25 02:30:00,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 02:30:00,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:00,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:00,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:30:00,472 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:30:00,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 02:30:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:03,570 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:30:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:04,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 02:30:04,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:30:08,723 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 02:30:08,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 02:30:36,719 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:31:10,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:31:46,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:31:48,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 46 states and 94 transitions. [2024-11-25 02:31:48,824 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2024-11-25 02:31:48,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 02:31:48,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:48,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:31:48,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:31:48,829 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:31:48,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc7b64d-f98d-41cb-83c0-fd0e150a914c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 02:31:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:51,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:31:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:52,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 02:31:52,436 INFO L279 TraceCheckSpWp]: Computing forward predicates...