./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/egcd-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cb0025-b3e5-4f80-88b6-f65fe8cc1420/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cb0025-b3e5-4f80-88b6-f65fe8cc1420/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_18cb0025-b3e5-4f80-88b6-f65fe8cc1420/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cb0025-b3e5-4f80-88b6-f65fe8cc1420/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cb0025-b3e5-4f80-88b6-f65fe8cc1420/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_18cb0025-b3e5-4f80-88b6-f65fe8cc1420/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 5cf588c7d7521936f2238a5a4b8ed55e91050a69daa6016b5b2b4a486ef1b9f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:02,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:02,625 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cb0025-b3e5-4f80-88b6-f65fe8cc1420/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:15:02,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:15:02,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:15:02,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:02,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:02,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:02,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:02,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:02,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:02,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:02,701 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:15:02,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:15:02,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:15:02,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:02,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:02,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:02,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:02,704 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:15:02,704 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:15:02,707 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:15:02,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:02,707 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:02,708 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:02,708 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:02,708 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:02,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:02,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:02,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:02,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:02,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:02,712 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:15:02,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:15:02,712 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:02,712 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_18cb0025-b3e5-4f80-88b6-f65fe8cc1420/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cb0025-b3e5-4f80-88b6-f65fe8cc1420/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cf588c7d7521936f2238a5a4b8ed55e91050a69daa6016b5b2b4a486ef1b9f8 [2023-11-19 03:15:03,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:03,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:03,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:03,134 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:03,134 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:03,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cb0025-b3e5-4f80-88b6-f65fe8cc1420/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/egcd-ll.c [2023-11-19 03:15:06,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:06,338 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:06,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cb0025-b3e5-4f80-88b6-f65fe8cc1420/sv-benchmarks/c/nla-digbench/egcd-ll.c [2023-11-19 03:15:06,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cb0025-b3e5-4f80-88b6-f65fe8cc1420/bin/ukojak-verify-G8NBE6pJGL/data/36f80cac7/2186bc2e7f30418ea2b0357e37f084fd/FLAG271401852 [2023-11-19 03:15:06,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cb0025-b3e5-4f80-88b6-f65fe8cc1420/bin/ukojak-verify-G8NBE6pJGL/data/36f80cac7/2186bc2e7f30418ea2b0357e37f084fd [2023-11-19 03:15:06,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:06,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:06,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:06,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:06,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:06,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:06" (1/1) ... [2023-11-19 03:15:06,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b33650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:06, skipping insertion in model container [2023-11-19 03:15:06,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:06" (1/1) ... [2023-11-19 03:15:06,428 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:06,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:06,646 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:06,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:06,679 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:06,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:06 WrapperNode [2023-11-19 03:15:06,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:06,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:06,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:06,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:06,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:06" (1/1) ... [2023-11-19 03:15:06,709 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:06" (1/1) ... [2023-11-19 03:15:06,733 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 117 [2023-11-19 03:15:06,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:06,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:06,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:06,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:06,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:06" (1/1) ... [2023-11-19 03:15:06,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:06" (1/1) ... [2023-11-19 03:15:06,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:06" (1/1) ... [2023-11-19 03:15:06,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:06" (1/1) ... [2023-11-19 03:15:06,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:06" (1/1) ... [2023-11-19 03:15:06,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:06" (1/1) ... [2023-11-19 03:15:06,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:06" (1/1) ... [2023-11-19 03:15:06,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:06" (1/1) ... [2023-11-19 03:15:06,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:06,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:06,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:06,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:06,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:06" (1/1) ... [2023-11-19 03:15:06,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:06,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cb0025-b3e5-4f80-88b6-f65fe8cc1420/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:06,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cb0025-b3e5-4f80-88b6-f65fe8cc1420/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:06,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18cb0025-b3e5-4f80-88b6-f65fe8cc1420/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:15:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:15:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:15:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:06,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:15:06,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:15:06,997 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:07,000 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:07,426 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:07,470 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:07,470 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:15:07,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:07 BoogieIcfgContainer [2023-11-19 03:15:07,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:07,481 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:07,481 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:07,491 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:07,492 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:07" (1/1) ... [2023-11-19 03:15:07,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:15:07,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:07,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 132 states and 141 transitions. [2023-11-19 03:15:07,563 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2023-11-19 03:15:07,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:15:07,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:07,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:07,722 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 03:15:07,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:07,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 132 states and 140 transitions. [2023-11-19 03:15:07,746 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 140 transitions. [2023-11-19 03:15:07,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:15:07,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:07,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:07,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:15:07,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:07,868 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 03:15:07,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:07,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 134 states and 144 transitions. [2023-11-19 03:15:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 144 transitions. [2023-11-19 03:15:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:15:07,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:07,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:07,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:15:07,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:07,971 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 03:15:07,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:08,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 135 states and 145 transitions. [2023-11-19 03:15:08,001 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 145 transitions. [2023-11-19 03:15:08,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:15:08,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:08,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:08,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:08,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:08,051 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 03:15:08,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:08,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 139 states and 152 transitions. [2023-11-19 03:15:08,142 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-19 03:15:08,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:15:08,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:08,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:08,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:08,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:08,191 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 03:15:08,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:08,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 140 states and 153 transitions. [2023-11-19 03:15:08,217 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2023-11-19 03:15:08,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:15:08,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:08,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:08,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:08,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:08,375 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 03:15:08,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:08,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 143 states and 156 transitions. [2023-11-19 03:15:08,474 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2023-11-19 03:15:08,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:15:08,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:08,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:08,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:15:08,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:08,643 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 03:15:08,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:08,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 144 states and 157 transitions. [2023-11-19 03:15:08,676 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 157 transitions. [2023-11-19 03:15:08,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:15:08,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:08,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:08,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:08,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:08,808 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 03:15:08,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:08,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 153 states and 170 transitions. [2023-11-19 03:15:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 170 transitions. [2023-11-19 03:15:08,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:15:08,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:08,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:09,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:09,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:09,054 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 03:15:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:09,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 154 states and 171 transitions. [2023-11-19 03:15:09,077 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 171 transitions. [2023-11-19 03:15:09,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:15:09,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:09,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:09,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:15:09,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:09,262 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 03:15:09,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:09,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 165 states and 187 transitions. [2023-11-19 03:15:09,631 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 187 transitions. [2023-11-19 03:15:09,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:15:09,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:09,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:09,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:15:09,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:09,782 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 03:15:10,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:10,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 177 states and 205 transitions. [2023-11-19 03:15:10,376 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 205 transitions. [2023-11-19 03:15:10,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:15:10,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:10,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:10,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:15:10,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:10,534 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 03:15:10,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:10,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 180 states and 210 transitions. [2023-11-19 03:15:10,786 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 210 transitions. [2023-11-19 03:15:10,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:15:10,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:10,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:10,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:15:10,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:10,882 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 03:15:11,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:11,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 181 states and 211 transitions. [2023-11-19 03:15:11,329 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 211 transitions. [2023-11-19 03:15:11,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:15:11,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:11,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:11,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:11,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:15:12,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:12,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 190 states and 226 transitions. [2023-11-19 03:15:12,157 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 226 transitions. [2023-11-19 03:15:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:15:12,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:12,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:12,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:12,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:15:12,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:12,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 191 states and 227 transitions. [2023-11-19 03:15:12,236 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 227 transitions. [2023-11-19 03:15:12,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:15:12,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:12,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:12,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:15:12,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:15:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 209 states and 253 transitions. [2023-11-19 03:15:13,728 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 253 transitions. [2023-11-19 03:15:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:15:13,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:13,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:13,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:15:13,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:13,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:15:15,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:15,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 228 states and 281 transitions. [2023-11-19 03:15:15,494 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 281 transitions. [2023-11-19 03:15:15,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:15:15,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:15,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:15,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:15:15,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:15,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:15:15,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:16,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 231 states and 286 transitions. [2023-11-19 03:15:16,000 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 286 transitions. [2023-11-19 03:15:16,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:15:16,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:16,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:16,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:15:16,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:16,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:15:16,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:16,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 232 states and 287 transitions. [2023-11-19 03:15:16,926 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 287 transitions. [2023-11-19 03:15:16,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:15:16,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:16,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:16,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:15:16,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:15:17,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:17,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 231 states and 286 transitions. [2023-11-19 03:15:17,073 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 286 transitions. [2023-11-19 03:15:17,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:15:17,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:17,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:17,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:15:17,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:17,159 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:15:17,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:17,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 230 states and 285 transitions. [2023-11-19 03:15:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 285 transitions. [2023-11-19 03:15:17,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:15:17,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:17,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:17,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:15:17,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:17,351 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:15:17,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:17,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 229 states and 284 transitions. [2023-11-19 03:15:17,375 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 284 transitions. [2023-11-19 03:15:17,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:15:17,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:17,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:17,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:15:17,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:17,406 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:15:17,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:17,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 228 states and 283 transitions. [2023-11-19 03:15:17,428 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 283 transitions. [2023-11-19 03:15:17,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:15:17,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:17,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:17,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:15:17,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:17,819 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:15:20,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:20,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 254 states and 322 transitions. [2023-11-19 03:15:20,475 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 322 transitions. [2023-11-19 03:15:20,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:15:20,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:20,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:20,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:15:20,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:20,876 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:15:23,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:23,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 280 states and 359 transitions. [2023-11-19 03:15:23,974 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 359 transitions. [2023-11-19 03:15:23,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:15:23,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:23,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:24,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:24,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:24,171 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:15:27,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:27,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 295 states and 384 transitions. [2023-11-19 03:15:27,166 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 384 transitions. [2023-11-19 03:15:27,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:15:27,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:27,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:27,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:27,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:27,401 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:15:30,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:30,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 310 states and 409 transitions. [2023-11-19 03:15:30,875 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 409 transitions. [2023-11-19 03:15:30,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:15:30,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:30,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:30,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:15:30,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:31,052 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:15:34,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:34,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 323 states and 431 transitions. [2023-11-19 03:15:34,083 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 431 transitions. [2023-11-19 03:15:34,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:15:34,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:34,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:34,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:34,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:15:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:35,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 327 states and 437 transitions. [2023-11-19 03:15:35,243 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 437 transitions. [2023-11-19 03:15:35,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:15:35,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:35,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:35,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:35,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:15:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:36,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 331 states and 443 transitions. [2023-11-19 03:15:36,219 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 443 transitions. [2023-11-19 03:15:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:15:36,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:36,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:36,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:15:36,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:36,498 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:15:40,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:40,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 345 states and 466 transitions. [2023-11-19 03:15:40,877 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 466 transitions. [2023-11-19 03:15:40,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:15:40,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:40,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:40,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:40,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:15:45,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:45,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 360 states and 493 transitions. [2023-11-19 03:15:45,711 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 493 transitions. [2023-11-19 03:15:45,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:15:45,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:45,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:45,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:45,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:45,992 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:15:50,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:50,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 375 states and 520 transitions. [2023-11-19 03:15:50,853 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 520 transitions. [2023-11-19 03:15:50,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:15:50,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:50,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:50,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:15:50,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:51,125 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:15:53,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 381 states and 531 transitions. [2023-11-19 03:15:53,760 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 531 transitions. [2023-11-19 03:15:53,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:15:53,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:53,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:53,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:53,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:15:55,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:55,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 387 states and 542 transitions. [2023-11-19 03:15:55,845 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 542 transitions. [2023-11-19 03:15:55,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:15:55,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:55,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:55,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:55,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:55,978 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:15:57,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:57,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 393 states and 554 transitions. [2023-11-19 03:15:57,758 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 554 transitions. [2023-11-19 03:15:57,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:15:57,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:57,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:57,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:15:57,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:57,982 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.