./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.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_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/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_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/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_257b7c3c-d50e-4d55-9bf1-b16801289344/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 aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:20:30,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:20:31,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:20:31,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:20:31,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:20:31,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:20:31,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:20:31,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:20:31,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:20:31,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:20:31,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:20:31,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:20:31,096 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:20:31,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:20:31,096 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:20:31,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:20:31,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:20:31,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:20:31,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:20:31,097 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:20:31,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:20:31,098 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:20:31,098 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:20:31,098 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:20:31,098 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:20:31,098 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:20:31,098 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:20:31,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:20:31,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:20:31,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:20:31,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:20:31,099 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:20:31,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:20:31,099 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_257b7c3c-d50e-4d55-9bf1-b16801289344/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 -> aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d [2024-11-25 03:20:31,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:20:31,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:20:31,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:20:31,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:20:31,436 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:20:31,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2024-11-25 03:20:34,510 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/data/090292fbe/f02cd4287ded45b38eb577843115d3fc/FLAG9fe3e3b45 [2024-11-25 03:20:34,789 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:20:34,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2024-11-25 03:20:34,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/data/090292fbe/f02cd4287ded45b38eb577843115d3fc/FLAG9fe3e3b45 [2024-11-25 03:20:35,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/data/090292fbe/f02cd4287ded45b38eb577843115d3fc [2024-11-25 03:20:35,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:20:35,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:20:35,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:20:35,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:20:35,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:20:35,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:20:35" (1/1) ... [2024-11-25 03:20:35,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454fb1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:35, skipping insertion in model container [2024-11-25 03:20:35,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:20:35" (1/1) ... [2024-11-25 03:20:35,149 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:20:35,302 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_257b7c3c-d50e-4d55-9bf1-b16801289344/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2024-11-25 03:20:35,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:20:35,334 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:20:35,344 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_257b7c3c-d50e-4d55-9bf1-b16801289344/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2024-11-25 03:20:35,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:20:35,366 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:20:35,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:35 WrapperNode [2024-11-25 03:20:35,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:20:35,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:20:35,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:20:35,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:20:35,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:35" (1/1) ... [2024-11-25 03:20:35,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:35" (1/1) ... [2024-11-25 03:20:35,397 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-25 03:20:35,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:20:35,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:20:35,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:20:35,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:20:35,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:35" (1/1) ... [2024-11-25 03:20:35,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:35" (1/1) ... [2024-11-25 03:20:35,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:35" (1/1) ... [2024-11-25 03:20:35,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:35" (1/1) ... [2024-11-25 03:20:35,410 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:35" (1/1) ... [2024-11-25 03:20:35,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:35" (1/1) ... [2024-11-25 03:20:35,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:35" (1/1) ... [2024-11-25 03:20:35,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:35" (1/1) ... [2024-11-25 03:20:35,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:35" (1/1) ... [2024-11-25 03:20:35,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:20:35,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:20:35,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:20:35,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:20:35,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:35" (1/1) ... [2024-11-25 03:20:35,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:20:35,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:20:35,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:20:35,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:20:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:20:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:20:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:20:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:20:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:20:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:20:35,578 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:20:35,581 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:20:35,763 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 03:20:35,763 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:20:35,827 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:20:35,829 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:20:35,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:20:35 BoogieIcfgContainer [2024-11-25 03:20:35,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:20:35,830 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:20:35,830 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:20:35,842 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:20:35,842 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:20:35" (1/1) ... [2024-11-25 03:20:35,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:20:35,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:35,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 03:20:35,906 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 03:20:35,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:20:35,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:35,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:36,068 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 03:20:36,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:36,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 03:20:36,094 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 03:20:36,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:20:36,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:36,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:36,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:20:36,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:36,340 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 03:20:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:36,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-25 03:20:36,474 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-25 03:20:36,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:20:36,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:36,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:36,594 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 03:20:36,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-25 03:20:36,932 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-25 03:20:36,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:20:36,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:36,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:37,324 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 03:20:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 03:20:37,849 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 03:20:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:20:37,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:37,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:37,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 03:20:37,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:38,033 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:20:41,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:20:41,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:41,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 03:20:41,816 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 03:20:41,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:20:41,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:41,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:41,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:20:41,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:41,940 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 03:20:42,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:42,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-11-25 03:20:42,026 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-11-25 03:20:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:20:42,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:42,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:42,205 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 03:20:42,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:42,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-11-25 03:20:42,893 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-11-25 03:20:42,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:20:42,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:42,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:42,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:20:42,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 03:20:47,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:20:47,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:47,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-25 03:20:47,269 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-25 03:20:47,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 03:20:47,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:47,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:47,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:20:47,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:47,621 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:20:49,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:49,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2024-11-25 03:20:49,536 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2024-11-25 03:20:49,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:20:49,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:49,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:20:50,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:50,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2024-11-25 03:20:50,763 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2024-11-25 03:20:50,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:20:50,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:50,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:50,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:20:50,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:51,093 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:20:55,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:20:59,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:20:59,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:59,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2024-11-25 03:20:59,438 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2024-11-25 03:20:59,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:20:59,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:59,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:59,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 03:20:59,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:59,801 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 03:21:02,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:02,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2024-11-25 03:21:02,216 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2024-11-25 03:21:02,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:21:02,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:02,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 03:21:03,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:03,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 69 states and 122 transitions. [2024-11-25 03:21:03,489 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 122 transitions. [2024-11-25 03:21:03,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 03:21:03,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:03,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:21:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:04,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-25 03:21:04,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 46 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 03:21:08,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:21:08,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:08,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 73 states and 129 transitions. [2024-11-25 03:21:08,431 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2024-11-25 03:21:08,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 03:21:08,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:08,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:21:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:08,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 03:21:08,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:08,937 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 03:21:11,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:11,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 83 states and 149 transitions. [2024-11-25 03:21:11,686 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 149 transitions. [2024-11-25 03:21:11,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-25 03:21:11,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:11,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:12,067 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 03:21:13,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 87 states and 157 transitions. [2024-11-25 03:21:13,333 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 157 transitions. [2024-11-25 03:21:13,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:21:13,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:13,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:21:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:18,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-25 03:21:18,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:19,079 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 25 proven. 58 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:21:23,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:21:23,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:23,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 91 states and 164 transitions. [2024-11-25 03:21:23,382 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 164 transitions. [2024-11-25 03:21:23,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 03:21:23,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:23,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:21:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:23,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 03:21:23,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:23,879 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 11 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-25 03:21:27,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:27,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 101 states and 184 transitions. [2024-11-25 03:21:27,069 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 184 transitions. [2024-11-25 03:21:27,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 03:21:27,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:27,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:27,475 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 12 proven. 50 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 03:21:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:28,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 105 states and 192 transitions. [2024-11-25 03:21:28,961 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 192 transitions. [2024-11-25 03:21:28,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-25 03:21:28,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:28,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:21:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:21:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:21:39,047 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:21:39,052 INFO L158 Benchmark]: Toolchain (without parser) took 63936.05ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 119.3MB in the beginning and 90.1MB in the end (delta: 29.2MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2024-11-25 03:21:39,052 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:21:39,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.37ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.7MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:21:39,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.61ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:21:39,053 INFO L158 Benchmark]: Boogie Preprocessor took 22.58ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.9MB in the end (delta: 762.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:21:39,054 INFO L158 Benchmark]: RCFGBuilder took 408.37ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 93.6MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:21:39,054 INFO L158 Benchmark]: CodeCheck took 63221.10ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 93.3MB in the beginning and 90.1MB in the end (delta: 3.2MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2024-11-25 03:21:39,057 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 0.40ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.37ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.7MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.61ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.58ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.9MB in the end (delta: 762.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 408.37ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 93.6MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 63221.10ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 93.3MB in the beginning and 90.1MB in the end (delta: 3.2MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:21:39,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/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_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/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_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/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_257b7c3c-d50e-4d55-9bf1-b16801289344/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 aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:21:41,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:21:41,777 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:21:41,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:21:41,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:21:41,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:21:41,823 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:21:41,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:21:41,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:21:41,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:21:41,825 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:21:41,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:21:41,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:21:41,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:21:41,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:21:41,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:21:41,826 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:21:41,826 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:21:41,826 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:21:41,826 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:21:41,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:21:41,826 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:21:41,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:21:41,826 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:21:41,826 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:21:41,826 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:21:41,826 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:41,827 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:21:41,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:21:41,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:21:41,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:21:41,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:21:41,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:21:41,827 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:21:41,827 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:41,827 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:21:41,827 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_257b7c3c-d50e-4d55-9bf1-b16801289344/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 -> aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d [2024-11-25 03:21:42,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:21:42,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:21:42,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:21:42,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:21:42,170 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:21:42,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2024-11-25 03:21:45,201 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/data/da6f30137/6085855bc0ed4b709982d2e71448d671/FLAG202a5b822 [2024-11-25 03:21:45,434 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:21:45,434 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2024-11-25 03:21:45,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/data/da6f30137/6085855bc0ed4b709982d2e71448d671/FLAG202a5b822 [2024-11-25 03:21:45,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/data/da6f30137/6085855bc0ed4b709982d2e71448d671 [2024-11-25 03:21:45,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:21:45,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:21:45,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:21:45,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:21:45,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:21:45,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:21:45" (1/1) ... [2024-11-25 03:21:45,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f59997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:45, skipping insertion in model container [2024-11-25 03:21:45,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:21:45" (1/1) ... [2024-11-25 03:21:45,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:21:45,771 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_257b7c3c-d50e-4d55-9bf1-b16801289344/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2024-11-25 03:21:45,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:21:45,826 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:21:45,840 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_257b7c3c-d50e-4d55-9bf1-b16801289344/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2024-11-25 03:21:45,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:21:45,884 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:21:45,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:45 WrapperNode [2024-11-25 03:21:45,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:21:45,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:21:45,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:21:45,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:21:45,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:45" (1/1) ... [2024-11-25 03:21:45,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:45" (1/1) ... [2024-11-25 03:21:45,925 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-25 03:21:45,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:21:45,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:21:45,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:21:45,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:21:45,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:45" (1/1) ... [2024-11-25 03:21:45,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:45" (1/1) ... [2024-11-25 03:21:45,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:45" (1/1) ... [2024-11-25 03:21:45,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:45" (1/1) ... [2024-11-25 03:21:45,949 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:45" (1/1) ... [2024-11-25 03:21:45,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:45" (1/1) ... [2024-11-25 03:21:45,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:45" (1/1) ... [2024-11-25 03:21:45,958 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:45" (1/1) ... [2024-11-25 03:21:45,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:45" (1/1) ... [2024-11-25 03:21:45,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:21:45,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:21:45,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:21:45,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:21:45,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:21:45" (1/1) ... [2024-11-25 03:21:45,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:21:45,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:21:46,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:21:46,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:21:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:21:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:21:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:21:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:21:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:21:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:21:46,113 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:21:46,115 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:21:46,640 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 03:21:46,640 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:21:46,694 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:21:46,695 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:21:46,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:21:46 BoogieIcfgContainer [2024-11-25 03:21:46,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:21:46,696 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:21:46,696 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:21:46,709 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:21:46,709 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:21:46" (1/1) ... [2024-11-25 03:21:46,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:21:46,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:46,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 03:21:46,780 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 03:21:46,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:21:46,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:46,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:46,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:46,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:46,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:21:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:46,879 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:47,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 03:21:47,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:47,120 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 03:21:47,122 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:21:47,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:21:47,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:47,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 03:21:47,180 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 03:21:47,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:21:47,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:47,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:47,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:47,184 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:47,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:21:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:47,810 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:47,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 03:21:48,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:48,319 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 03:21:48,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:21:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:50,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-25 03:21:50,702 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-25 03:21:50,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:21:50,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:50,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:50,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:50,709 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:50,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:21:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:51,132 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:51,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 03:21:51,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:21:51,461 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 03:21:51,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 03:21:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:21:52,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:21:52,067 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:21:52,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:21:52,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:21:52,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:21:52,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:21:52,072 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:21:52,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:21:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:52,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:21:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:21:52,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:21:52,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:22:11,869 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 03:22:11,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 03:22:37,933 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 03:22:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:40,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2024-11-25 03:22:40,962 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2024-11-25 03:22:40,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:22:40,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:40,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:22:40,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:22:40,965 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:22:40,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:22:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:41,858 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:22:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:42,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:22:42,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:22:43,344 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:22:43,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 03:23:24,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:23:30,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:23:30,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2024-11-25 03:23:30,309 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-11-25 03:23:30,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:23:30,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:23:30,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:23:30,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:23:30,312 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:23:30,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:23:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:23:30,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:23:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:23:31,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:23:31,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:23:32,649 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 03:23:32,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 03:24:21,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:24:21,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2024-11-25 03:24:21,909 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-11-25 03:24:21,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:24:21,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:24:21,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:24:21,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:24:21,915 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:24:21,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:24:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:24:22,854 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:24:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:24:23,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:24:23,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:24:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:24:26,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 03:25:09,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:25:09,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2024-11-25 03:25:09,410 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2024-11-25 03:25:09,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:25:09,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:25:09,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:25:09,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:25:09,414 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:25:09,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 03:25:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:10,767 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:25:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:11,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:25:11,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:25:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 03:25:13,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-25 03:26:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:26:23,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2024-11-25 03:26:23,827 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2024-11-25 03:26:23,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 03:26:23,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:26:23,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:26:23,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:26:23,834 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:26:23,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 03:26:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:26:24,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:26:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:26:25,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 03:26:25,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:26:30,146 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 03:26:30,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 03:28:31,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:31,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 53 states and 115 transitions. [2024-11-25 03:28:31,462 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 115 transitions. [2024-11-25 03:28:31,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:28:31,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:31,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:28:31,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:28:31,467 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:28:31,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 03:28:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:32,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:28:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:33,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:28:33,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:39,717 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:28:39,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 03:29:47,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:29:47,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 61 states and 147 transitions. [2024-11-25 03:29:47,760 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 147 transitions. [2024-11-25 03:29:47,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:29:47,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:29:47,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:29:47,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:29:47,765 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:29:47,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 03:29:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:49,655 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:29:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:50,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 03:29:50,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:29:53,016 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 03:29:53,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 03:31:15,375 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 03:31:30,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:31:30,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 65 states and 158 transitions. [2024-11-25 03:31:30,533 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 158 transitions. [2024-11-25 03:31:30,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:31:30,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:31:30,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:30,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:31:30,538 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:31:30,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 03:31:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:31,980 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:31:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:32,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 03:31:32,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:31:37,295 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 03:31:37,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 03:33:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:33:44,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 71 states and 186 transitions. [2024-11-25 03:33:44,894 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 186 transitions. [2024-11-25 03:33:44,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:33:44,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:33:44,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:33:44,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:33:44,900 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:33:44,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 03:33:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:33:46,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:33:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:33:47,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:33:47,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:34:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:34:01,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 03:34:52,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:52,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 75 states and 194 transitions. [2024-11-25 03:34:52,675 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 194 transitions. [2024-11-25 03:34:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 03:34:52,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:52,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:34:52,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:34:52,681 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:34:52,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 03:34:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:54,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:34:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:55,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:34:55,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:34:59,680 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:34:59,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_257b7c3c-d50e-4d55-9bf1-b16801289344/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 03:35:30,914 WARN L286 SmtUtils]: Spent 5.90s 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)