./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97b1f82-d791-4b4c-ab11-6c6fecad2d71/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97b1f82-d791-4b4c-ab11-6c6fecad2d71/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97b1f82-d791-4b4c-ab11-6c6fecad2d71/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97b1f82-d791-4b4c-ab11-6c6fecad2d71/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97b1f82-d791-4b4c-ab11-6c6fecad2d71/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97b1f82-d791-4b4c-ab11-6c6fecad2d71/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 91c207b4b9ec9497b682edea4de56d410c70b882e6c03e91b56844bba1af20ff --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:54:26,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:26,565 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97b1f82-d791-4b4c-ab11-6c6fecad2d71/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:54:26,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:54:26,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:54:26,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:26,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:54:26,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:54:26,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:26,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:26,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:26,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:26,618 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:26,620 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:54:26,620 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:26,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:26,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:26,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:26,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:26,622 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:54:26,623 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:54:26,623 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:26,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:26,624 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:26,625 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:26,625 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:26,625 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:26,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:26,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:26,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:26,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:26,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:54:26,629 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:54:26,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:54:26,630 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:54:26,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97b1f82-d791-4b4c-ab11-6c6fecad2d71/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97b1f82-d791-4b4c-ab11-6c6fecad2d71/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91c207b4b9ec9497b682edea4de56d410c70b882e6c03e91b56844bba1af20ff [2023-11-19 02:54:26,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:26,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:26,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:26,947 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:26,948 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:26,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97b1f82-d791-4b4c-ab11-6c6fecad2d71/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c [2023-11-19 02:54:29,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:30,170 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:30,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97b1f82-d791-4b4c-ab11-6c6fecad2d71/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c [2023-11-19 02:54:30,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97b1f82-d791-4b4c-ab11-6c6fecad2d71/bin/ukojak-verify-G8NBE6pJGL/data/e4bc5b752/b974053f03bc4a3291158ad1243f7f5c/FLAG21216de4c [2023-11-19 02:54:30,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97b1f82-d791-4b4c-ab11-6c6fecad2d71/bin/ukojak-verify-G8NBE6pJGL/data/e4bc5b752/b974053f03bc4a3291158ad1243f7f5c [2023-11-19 02:54:30,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:30,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:30,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:30,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:30,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:30,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:30" (1/1) ... [2023-11-19 02:54:30,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f00e5d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:30, skipping insertion in model container [2023-11-19 02:54:30,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:30" (1/1) ... [2023-11-19 02:54:30,225 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:30,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:30,414 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:30,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:30,447 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:30,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:30 WrapperNode [2023-11-19 02:54:30,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:30,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:30,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:30,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:30,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:30" (1/1) ... [2023-11-19 02:54:30,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:30" (1/1) ... [2023-11-19 02:54:30,490 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2023-11-19 02:54:30,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:30,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:30,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:30,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:30,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:30" (1/1) ... [2023-11-19 02:54:30,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:30" (1/1) ... [2023-11-19 02:54:30,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:30" (1/1) ... [2023-11-19 02:54:30,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:30" (1/1) ... [2023-11-19 02:54:30,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:30" (1/1) ... [2023-11-19 02:54:30,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:30" (1/1) ... [2023-11-19 02:54:30,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:30" (1/1) ... [2023-11-19 02:54:30,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:30" (1/1) ... [2023-11-19 02:54:30,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:30,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:30,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:30,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:30,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:30" (1/1) ... [2023-11-19 02:54:30,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:30,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97b1f82-d791-4b4c-ab11-6c6fecad2d71/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:30,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97b1f82-d791-4b4c-ab11-6c6fecad2d71/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:30,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97b1f82-d791-4b4c-ab11-6c6fecad2d71/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:54:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:54:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:54:30,693 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:30,695 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:31,030 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:31,063 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:31,063 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:54:31,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:31 BoogieIcfgContainer [2023-11-19 02:54:31,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:54:31,070 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:54:31,070 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:54:31,080 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:54:31,081 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:31" (1/1) ... [2023-11-19 02:54:31,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:54:31,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:31,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 74 states and 77 transitions. [2023-11-19 02:54:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2023-11-19 02:54:31,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:54:31,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:31,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:31,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:54:31,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:31,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:31,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:31,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 73 states and 76 transitions. [2023-11-19 02:54:31,495 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2023-11-19 02:54:31,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:54:31,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:31,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:31,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:54:31,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:31,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:31,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 72 states and 75 transitions. [2023-11-19 02:54:31,631 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2023-11-19 02:54:31,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:54:31,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:31,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:31,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:54:31,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:31,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 72 states and 74 transitions. [2023-11-19 02:54:31,686 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2023-11-19 02:54:31,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:54:31,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:31,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:31,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:31,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:31,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:31,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 74 states and 77 transitions. [2023-11-19 02:54:31,947 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2023-11-19 02:54:31,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:54:31,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:31,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:31,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:31,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:32,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:32,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:32,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2023-11-19 02:54:32,337 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-19 02:54:32,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:54:32,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:32,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:32,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:32,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:32,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 78 states and 81 transitions. [2023-11-19 02:54:32,394 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2023-11-19 02:54:32,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:54:32,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:32,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:32,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:32,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:32,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:33,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 83 states and 87 transitions. [2023-11-19 02:54:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2023-11-19 02:54:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:54:33,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:33,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:33,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:33,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:33,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:35,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:35,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 89 states and 94 transitions. [2023-11-19 02:54:35,024 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 94 transitions. [2023-11-19 02:54:35,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:54:35,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:35,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:35,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:35,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:35,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:36,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:36,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 96 states and 103 transitions. [2023-11-19 02:54:36,869 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2023-11-19 02:54:36,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:54:36,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:36,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:36,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:36,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:36,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:37,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:37,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 97 states and 104 transitions. [2023-11-19 02:54:37,010 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 104 transitions. [2023-11-19 02:54:37,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:54:37,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:37,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:37,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:37,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:37,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:38,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:38,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 106 states and 116 transitions. [2023-11-19 02:54:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 116 transitions. [2023-11-19 02:54:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:54:38,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:38,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:38,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:38,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:38,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:40,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:40,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 116 states and 130 transitions. [2023-11-19 02:54:40,576 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 130 transitions. [2023-11-19 02:54:40,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:54:40,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:40,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:40,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:54:40,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:41,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:47,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 127 states and 146 transitions. [2023-11-19 02:54:47,098 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2023-11-19 02:54:47,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:54:47,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:47,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:47,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:54:47,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:47,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:02,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:02,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 139 states and 163 transitions. [2023-11-19 02:55:02,734 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2023-11-19 02:55:02,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:55:02,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:02,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:02,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:02,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:03,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:19,464 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-19 02:55:20,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:20,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 152 states and 179 transitions. [2023-11-19 02:55:20,648 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 179 transitions. [2023-11-19 02:55:20,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:55:20,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:20,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:20,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:20,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:20,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:20,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 153 states and 180 transitions. [2023-11-19 02:55:20,864 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2023-11-19 02:55:20,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:55:20,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:20,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:20,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:20,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:21,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:21,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 156 states and 186 transitions. [2023-11-19 02:55:21,624 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 186 transitions. [2023-11-19 02:55:21,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:55:21,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:21,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:21,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:21,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:21,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:27,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:27,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 173 states and 210 transitions. [2023-11-19 02:55:27,229 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 210 transitions. [2023-11-19 02:55:27,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:55:27,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:27,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:27,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:27,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:27,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:28,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 177 states and 218 transitions. [2023-11-19 02:55:28,901 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 218 transitions. [2023-11-19 02:55:28,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:55:28,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:28,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:28,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:28,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.