./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a50671f-87d8-49e1-9bc2-4e87c09d0d2d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a50671f-87d8-49e1-9bc2-4e87c09d0d2d/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_1a50671f-87d8-49e1-9bc2-4e87c09d0d2d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a50671f-87d8-49e1-9bc2-4e87c09d0d2d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a50671f-87d8-49e1-9bc2-4e87c09d0d2d/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_1a50671f-87d8-49e1-9bc2-4e87c09d0d2d/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 a3d3bea00f90884a75828a52041ade76894eb11b308d280406ab40770bedb299 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:40:08,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:40:08,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a50671f-87d8-49e1-9bc2-4e87c09d0d2d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:40:08,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:40:08,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:40:08,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:40:08,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:40:08,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:40:08,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:40:08,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:40:08,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:40:08,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:40:08,736 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:40:08,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:40:08,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:40:08,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:40:08,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:40:08,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:40:08,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:40:08,742 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:40:08,743 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:40:08,743 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:40:08,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:40:08,745 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:40:08,745 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:40:08,746 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:40:08,747 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:40:08,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:40:08,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:08,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:40:08,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:40:08,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:40:08,751 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:40:08,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:40:08,752 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:40:08,753 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_1a50671f-87d8-49e1-9bc2-4e87c09d0d2d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a50671f-87d8-49e1-9bc2-4e87c09d0d2d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3d3bea00f90884a75828a52041ade76894eb11b308d280406ab40770bedb299 [2023-11-19 03:40:09,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:40:09,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:40:09,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:40:09,140 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:40:09,140 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:40:09,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a50671f-87d8-49e1-9bc2-4e87c09d0d2d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c [2023-11-19 03:40:12,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:40:12,966 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:40:12,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a50671f-87d8-49e1-9bc2-4e87c09d0d2d/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c [2023-11-19 03:40:12,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a50671f-87d8-49e1-9bc2-4e87c09d0d2d/bin/ukojak-verify-G8NBE6pJGL/data/51358dd63/be5021f5a0f84fc0aa64b3f80f9a7bb9/FLAG44941f46a [2023-11-19 03:40:12,995 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a50671f-87d8-49e1-9bc2-4e87c09d0d2d/bin/ukojak-verify-G8NBE6pJGL/data/51358dd63/be5021f5a0f84fc0aa64b3f80f9a7bb9 [2023-11-19 03:40:12,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:40:13,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:40:13,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:13,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:40:13,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:40:13,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:12" (1/1) ... [2023-11-19 03:40:13,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe707d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:13, skipping insertion in model container [2023-11-19 03:40:13,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:12" (1/1) ... [2023-11-19 03:40:13,053 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:40:13,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:13,318 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:40:13,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:13,366 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:40:13,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:13 WrapperNode [2023-11-19 03:40:13,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:13,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:13,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:40:13,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:40:13,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:13" (1/1) ... [2023-11-19 03:40:13,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:13" (1/1) ... [2023-11-19 03:40:13,421 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-19 03:40:13,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:13,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:40:13,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:40:13,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:40:13,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:13" (1/1) ... [2023-11-19 03:40:13,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:13" (1/1) ... [2023-11-19 03:40:13,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:13" (1/1) ... [2023-11-19 03:40:13,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:13" (1/1) ... [2023-11-19 03:40:13,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:13" (1/1) ... [2023-11-19 03:40:13,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:13" (1/1) ... [2023-11-19 03:40:13,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:13" (1/1) ... [2023-11-19 03:40:13,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:13" (1/1) ... [2023-11-19 03:40:13,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:40:13,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:40:13,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:40:13,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:40:13,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:13" (1/1) ... [2023-11-19 03:40:13,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:13,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a50671f-87d8-49e1-9bc2-4e87c09d0d2d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:40:13,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a50671f-87d8-49e1-9bc2-4e87c09d0d2d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:40:13,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a50671f-87d8-49e1-9bc2-4e87c09d0d2d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:40:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:40:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:40:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:40:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:40:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:40:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:40:13,632 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:40:13,635 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:40:14,155 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:40:14,221 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:40:14,222 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:40:14,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:14 BoogieIcfgContainer [2023-11-19 03:40:14,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:40:14,230 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:40:14,230 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:40:14,243 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:40:14,244 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:14" (1/1) ... [2023-11-19 03:40:14,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:40:14,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-19 03:40:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-19 03:40:14,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:40:14,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:14,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:14,607 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 03:40:14,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:14,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-19 03:40:14,667 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-19 03:40:14,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:40:14,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:14,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:14,804 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 03:40:15,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:15,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 80 states and 93 transitions. [2023-11-19 03:40:15,053 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2023-11-19 03:40:15,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:40:15,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:15,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:15,191 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 03:40:15,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:15,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 81 states and 93 transitions. [2023-11-19 03:40:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2023-11-19 03:40:15,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:40:15,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:15,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:15,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:15,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:40:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:16,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 88 states and 104 transitions. [2023-11-19 03:40:16,120 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 104 transitions. [2023-11-19 03:40:16,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:40:16,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:16,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:16,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:16,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:16,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:40:16,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:16,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2023-11-19 03:40:16,297 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2023-11-19 03:40:16,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:40:16,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:16,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:16,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:16,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:16,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:17,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:17,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 98 states and 123 transitions. [2023-11-19 03:40:17,399 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 123 transitions. [2023-11-19 03:40:17,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:40:17,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:17,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:17,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:17,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:17,637 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:18,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 108 states and 161 transitions. [2023-11-19 03:40:18,813 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2023-11-19 03:40:18,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:40:18,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:18,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:18,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:18,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:18,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:20,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:20,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 118 states and 180 transitions. [2023-11-19 03:40:20,831 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 180 transitions. [2023-11-19 03:40:20,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:40:20,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:20,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:20,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:20,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:22,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:22,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 129 states and 226 transitions. [2023-11-19 03:40:22,822 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 226 transitions. [2023-11-19 03:40:22,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:40:22,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:22,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:22,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:22,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:22,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:23,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:23,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 134 states and 238 transitions. [2023-11-19 03:40:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 238 transitions. [2023-11-19 03:40:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:40:23,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:23,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:23,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:23,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:23,983 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:24,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:24,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 140 states and 252 transitions. [2023-11-19 03:40:24,841 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 252 transitions. [2023-11-19 03:40:24,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:40:24,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:24,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:24,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:40:24,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:25,055 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:26,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:26,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 152 states and 304 transitions. [2023-11-19 03:40:26,505 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 304 transitions. [2023-11-19 03:40:26,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:40:26,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:26,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:26,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:26,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:26,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:29,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:29,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 165 states and 333 transitions. [2023-11-19 03:40:29,417 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 333 transitions. [2023-11-19 03:40:29,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:40:29,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:29,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:29,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:29,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:29,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:29,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:29,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 166 states and 334 transitions. [2023-11-19 03:40:29,511 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 334 transitions. [2023-11-19 03:40:29,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:40:29,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:29,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:29,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:29,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:30,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:30,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 172 states and 348 transitions. [2023-11-19 03:40:30,909 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 348 transitions. [2023-11-19 03:40:30,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:40:30,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:30,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:30,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:30,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:31,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:34,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:34,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 187 states and 379 transitions. [2023-11-19 03:40:34,773 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 379 transitions. [2023-11-19 03:40:34,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:40:34,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:34,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:34,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:34,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:36,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:36,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 194 states and 390 transitions. [2023-11-19 03:40:36,181 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 390 transitions. [2023-11-19 03:40:36,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:40:36,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:36,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:36,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:36,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:36,441 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:40,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:40,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 210 states and 420 transitions. [2023-11-19 03:40:40,612 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 420 transitions. [2023-11-19 03:40:40,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:40:40,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:40,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:40,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:40:40,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:40,790 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:42,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:42,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 218 states and 441 transitions. [2023-11-19 03:40:42,435 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 441 transitions. [2023-11-19 03:40:42,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:40:42,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:42,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:42,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:42,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:42,722 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:40:45,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:45,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 228 states and 466 transitions. [2023-11-19 03:40:45,492 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 466 transitions. [2023-11-19 03:40:45,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:40:45,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:45,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:45,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:45,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:45,761 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:40:48,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:48,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 239 states and 492 transitions. [2023-11-19 03:40:48,963 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 492 transitions. [2023-11-19 03:40:48,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:40:48,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:48,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:48,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:48,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:49,345 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:40:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:52,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 253 states and 533 transitions. [2023-11-19 03:40:52,824 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 533 transitions. [2023-11-19 03:40:52,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:40:52,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:52,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:52,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:52,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:52,982 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:40:54,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:54,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 255 states and 535 transitions. [2023-11-19 03:40:54,025 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 535 transitions. [2023-11-19 03:40:54,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:40:54,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:54,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:54,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:54,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:54,150 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:40:55,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 259 states and 539 transitions. [2023-11-19 03:40:55,079 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 539 transitions. [2023-11-19 03:40:55,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:40:55,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:55,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:55,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:55,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:55,552 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:40:57,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:57,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 267 states and 571 transitions. [2023-11-19 03:40:57,953 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 571 transitions. [2023-11-19 03:40:57,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:40:57,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:57,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:57,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:57,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:40:58,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:58,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 269 states and 572 transitions. [2023-11-19 03:40:58,986 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 572 transitions. [2023-11-19 03:40:58,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:40:58,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:58,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:59,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:59,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:59,118 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:00,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 273 states and 575 transitions. [2023-11-19 03:41:00,172 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 575 transitions. [2023-11-19 03:41:00,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:41:00,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:00,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:00,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:41:00,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:00,236 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:01,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:01,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 279 states and 598 transitions. [2023-11-19 03:41:01,401 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 598 transitions. [2023-11-19 03:41:01,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:41:01,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:01,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:01,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:41:01,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:01,475 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.