./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_8d18e478-4abd-499a-9c23-2114c9f0cfda/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d18e478-4abd-499a-9c23-2114c9f0cfda/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d18e478-4abd-499a-9c23-2114c9f0cfda/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d18e478-4abd-499a-9c23-2114c9f0cfda/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d18e478-4abd-499a-9c23-2114c9f0cfda/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d18e478-4abd-499a-9c23-2114c9f0cfda/bin/ukojak-verify-0OAaufAVZV --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 4b8e7a0340ae3342090517f2a88c3de1beaa3d83173c8c0fc0ae95ebc1f42c80 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:03:07,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:03:07,519 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d18e478-4abd-499a-9c23-2114c9f0cfda/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:03:07,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:03:07,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:03:07,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:03:07,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:03:07,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:03:07,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:03:07,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:03:07,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:03:07,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:03:07,578 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:03:07,580 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:03:07,580 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:03:07,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:03:07,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:03:07,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:03:07,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:03:07,583 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:03:07,583 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:03:07,584 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:03:07,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:03:07,585 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:03:07,585 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:03:07,586 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:03:07,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:03:07,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:07,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:03:07,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:03:07,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:03:07,590 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:03:07,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:03:07,590 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:03:07,590 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_8d18e478-4abd-499a-9c23-2114c9f0cfda/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d18e478-4abd-499a-9c23-2114c9f0cfda/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b8e7a0340ae3342090517f2a88c3de1beaa3d83173c8c0fc0ae95ebc1f42c80 [2023-11-12 00:03:07,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:03:07,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:03:07,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:03:07,934 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:03:07,934 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:03:07,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d18e478-4abd-499a-9c23-2114c9f0cfda/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c [2023-11-12 00:03:11,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:03:11,316 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:03:11,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d18e478-4abd-499a-9c23-2114c9f0cfda/sv-benchmarks/c/termination-nla/egcd2-both-nt.c [2023-11-12 00:03:11,325 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d18e478-4abd-499a-9c23-2114c9f0cfda/bin/ukojak-verify-0OAaufAVZV/data/26aea09d8/10ee2dc61e394626901c3bb1a8c7d2ff/FLAG34ee67c48 [2023-11-12 00:03:11,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d18e478-4abd-499a-9c23-2114c9f0cfda/bin/ukojak-verify-0OAaufAVZV/data/26aea09d8/10ee2dc61e394626901c3bb1a8c7d2ff [2023-11-12 00:03:11,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:03:11,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:03:11,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:11,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:03:11,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:03:11,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22172511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11, skipping insertion in model container [2023-11-12 00:03:11,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,386 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:03:11,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:11,587 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:03:11,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:11,618 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:03:11,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11 WrapperNode [2023-11-12 00:03:11,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:11,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:11,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:03:11,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:03:11,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,652 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2023-11-12 00:03:11,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:11,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:03:11,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:03:11,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:03:11,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:03:11,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:03:11,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:03:11,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:03:11,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:11,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d18e478-4abd-499a-9c23-2114c9f0cfda/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:03:11,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d18e478-4abd-499a-9c23-2114c9f0cfda/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:03:11,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d18e478-4abd-499a-9c23-2114c9f0cfda/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:03:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:03:11,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:03:11,831 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:03:11,832 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:03:12,063 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:03:12,081 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:03:12,082 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:03:12,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:12 BoogieIcfgContainer [2023-11-12 00:03:12,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:03:12,086 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:03:12,086 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:03:12,096 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:03:12,096 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:12" (1/1) ... [2023-11-12 00:03:12,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:03:12,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:12,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2023-11-12 00:03:12,159 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-11-12 00:03:12,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:03:12,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:12,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:12,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:03:12,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:12,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:12,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 49 states and 55 transitions. [2023-11-12 00:03:12,500 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2023-11-12 00:03:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:03:12,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:12,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:12,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:03:12,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:12,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:12,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2023-11-12 00:03:12,791 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2023-11-12 00:03:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:03:12,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:12,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:12,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:03:12,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:13,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:13,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 73 transitions. [2023-11-12 00:03:13,369 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2023-11-12 00:03:13,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:03:13,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:13,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:13,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:03:13,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:14,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:14,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2023-11-12 00:03:14,134 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2023-11-12 00:03:14,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:03:14,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:14,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:14,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:03:14,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:14,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:14,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2023-11-12 00:03:14,662 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2023-11-12 00:03:14,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:03:14,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:14,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:14,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:03:14,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:14,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:15,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:15,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2023-11-12 00:03:15,002 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2023-11-12 00:03:15,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:03:15,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:15,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:15,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:03:15,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:15,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:16,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:16,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 79 states and 111 transitions. [2023-11-12 00:03:16,289 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-11-12 00:03:16,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:03:16,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:16,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:16,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:03:16,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:16,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:17,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 90 states and 131 transitions. [2023-11-12 00:03:17,652 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2023-11-12 00:03:17,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:03:17,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:17,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:17,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:03:17,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:19,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 101 states and 151 transitions. [2023-11-12 00:03:19,772 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 151 transitions. [2023-11-12 00:03:19,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:03:19,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:19,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:19,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:03:19,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:19,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:19,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:19,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 102 states and 152 transitions. [2023-11-12 00:03:19,862 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 152 transitions. [2023-11-12 00:03:19,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:03:19,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:19,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:19,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:03:19,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:21,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:21,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 112 states and 171 transitions. [2023-11-12 00:03:21,898 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 171 transitions. [2023-11-12 00:03:21,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:03:21,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:21,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:21,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:03:21,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:23,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:23,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 118 states and 184 transitions. [2023-11-12 00:03:23,350 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 184 transitions. [2023-11-12 00:03:23,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:03:23,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:23,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:23,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:03:23,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:23,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:25,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:25,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 129 states and 212 transitions. [2023-11-12 00:03:25,891 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 212 transitions. [2023-11-12 00:03:25,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:03:25,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:25,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:25,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:03:25,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:26,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:28,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:28,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 137 states and 228 transitions. [2023-11-12 00:03:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 228 transitions. [2023-11-12 00:03:28,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:03:28,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:28,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:28,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:03:28,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:30,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:30,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 143 states and 243 transitions. [2023-11-12 00:03:30,192 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 243 transitions. [2023-11-12 00:03:30,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:03:30,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:30,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:30,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:03:30,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:30,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:33,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:33,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 158 states and 270 transitions. [2023-11-12 00:03:33,678 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 270 transitions. [2023-11-12 00:03:33,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:03:33,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:33,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:33,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:03:33,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:34,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:40,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:40,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 165 states and 289 transitions. [2023-11-12 00:03:40,180 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 289 transitions. [2023-11-12 00:03:40,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:03:40,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:40,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:40,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:03:40,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:40,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:40,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 166 states and 291 transitions. [2023-11-12 00:03:40,936 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 291 transitions. [2023-11-12 00:03:40,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:03:40,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:40,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:40,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:03:40,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:41,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:43,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:43,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 173 states and 303 transitions. [2023-11-12 00:03:43,614 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 303 transitions. [2023-11-12 00:03:43,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:03:43,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:43,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:43,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:03:43,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:50,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:50,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 181 states and 325 transitions. [2023-11-12 00:03:50,885 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 325 transitions. [2023-11-12 00:03:50,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:03:50,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:50,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:50,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:03:50,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:50,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:51,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:51,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 183 states and 329 transitions. [2023-11-12 00:03:51,948 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 329 transitions. [2023-11-12 00:03:51,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:03:51,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:51,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:51,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:03:51,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:51,993 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:53,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:53,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 184 states and 331 transitions. [2023-11-12 00:03:53,006 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 331 transitions. [2023-11-12 00:03:53,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:03:53,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:53,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:53,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:03:53,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:53,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:58,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:58,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 193 states and 351 transitions. [2023-11-12 00:03:58,236 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 351 transitions. [2023-11-12 00:03:58,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:03:58,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:58,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:58,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:03:58,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:58,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:06,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:06,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 200 states and 373 transitions. [2023-11-12 00:04:06,038 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 373 transitions. [2023-11-12 00:04:06,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:04:06,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:06,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:06,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:04:06,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:08,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:08,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 202 states and 377 transitions. [2023-11-12 00:04:08,326 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 377 transitions. [2023-11-12 00:04:08,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:04:08,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:08,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:08,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:04:08,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:08,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:09,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:09,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 204 states and 379 transitions. [2023-11-12 00:04:09,954 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 379 transitions. [2023-11-12 00:04:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:04:09,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:09,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:09,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:04:09,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:10,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:10,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:10,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 205 states and 381 transitions. [2023-11-12 00:04:10,538 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 381 transitions. [2023-11-12 00:04:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:04:10,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:10,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:10,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 00:04:10,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:10,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.