./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_069e0b18-0c38-48e4-9761-e33332a7c0b5/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069e0b18-0c38-48e4-9761-e33332a7c0b5/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069e0b18-0c38-48e4-9761-e33332a7c0b5/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069e0b18-0c38-48e4-9761-e33332a7c0b5/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069e0b18-0c38-48e4-9761-e33332a7c0b5/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069e0b18-0c38-48e4-9761-e33332a7c0b5/bin/ukojak-verify-1t5iHCbJaC --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 1870b8451d4735c7264ac4337bbb2c1eeecb277125949d2d6e57edbf68a24fac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:25:17,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:25:17,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069e0b18-0c38-48e4-9761-e33332a7c0b5/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:25:17,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:25:17,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:25:17,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:25:17,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:25:17,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:25:17,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:25:17,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:25:17,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:25:17,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:25:17,599 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:25:17,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:25:17,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:25:17,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:25:17,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:25:17,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:25:17,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:25:17,603 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:25:17,603 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:25:17,604 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:25:17,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:25:17,605 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:25:17,606 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:25:17,606 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:25:17,606 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:25:17,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:25:17,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:17,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:25:17,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:25:17,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:25:17,610 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:25:17,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:25:17,611 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:25:17,611 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_069e0b18-0c38-48e4-9761-e33332a7c0b5/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069e0b18-0c38-48e4-9761-e33332a7c0b5/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1870b8451d4735c7264ac4337bbb2c1eeecb277125949d2d6e57edbf68a24fac [2023-11-23 20:25:17,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:25:17,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:25:17,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:25:17,874 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:25:17,875 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:25:17,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069e0b18-0c38-48e4-9761-e33332a7c0b5/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c [2023-11-23 20:25:21,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:25:21,337 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:25:21,338 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069e0b18-0c38-48e4-9761-e33332a7c0b5/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c [2023-11-23 20:25:21,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069e0b18-0c38-48e4-9761-e33332a7c0b5/bin/ukojak-verify-1t5iHCbJaC/data/05eee59c8/03da25bbc59f4965873584688a9153bc/FLAG56baaaff6 [2023-11-23 20:25:21,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069e0b18-0c38-48e4-9761-e33332a7c0b5/bin/ukojak-verify-1t5iHCbJaC/data/05eee59c8/03da25bbc59f4965873584688a9153bc [2023-11-23 20:25:21,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:25:21,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:25:21,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:21,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:25:21,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:25:21,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:21" (1/1) ... [2023-11-23 20:25:21,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f53e4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:21, skipping insertion in model container [2023-11-23 20:25:21,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:21" (1/1) ... [2023-11-23 20:25:21,408 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:25:21,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:21,638 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:25:21,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:21,678 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:25:21,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:21 WrapperNode [2023-11-23 20:25:21,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:21,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:21,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:25:21,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:25:21,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:21" (1/1) ... [2023-11-23 20:25:21,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:21" (1/1) ... [2023-11-23 20:25:21,743 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2023-11-23 20:25:21,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:21,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:25:21,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:25:21,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:25:21,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:21" (1/1) ... [2023-11-23 20:25:21,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:21" (1/1) ... [2023-11-23 20:25:21,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:21" (1/1) ... [2023-11-23 20:25:21,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:21" (1/1) ... [2023-11-23 20:25:21,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:21" (1/1) ... [2023-11-23 20:25:21,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:21" (1/1) ... [2023-11-23 20:25:21,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:21" (1/1) ... [2023-11-23 20:25:21,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:21" (1/1) ... [2023-11-23 20:25:21,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:25:21,773 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:25:21,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:25:21,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:25:21,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:21" (1/1) ... [2023-11-23 20:25:21,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:21,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069e0b18-0c38-48e4-9761-e33332a7c0b5/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:25:21,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069e0b18-0c38-48e4-9761-e33332a7c0b5/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:25:21,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_069e0b18-0c38-48e4-9761-e33332a7c0b5/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:25:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:25:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:25:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:25:21,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:25:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:25:21,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:25:21,962 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:25:21,965 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:25:22,433 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:25:22,466 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:25:22,467 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:25:22,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:22 BoogieIcfgContainer [2023-11-23 20:25:22,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:25:22,470 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:25:22,470 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:25:22,481 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:25:22,488 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:22" (1/1) ... [2023-11-23 20:25:22,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:25:22,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:22,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 118 states and 125 transitions. [2023-11-23 20:25:22,565 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 125 transitions. [2023-11-23 20:25:22,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:25:22,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:22,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:22,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:22,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 118 states and 124 transitions. [2023-11-23 20:25:22,755 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2023-11-23 20:25:22,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:25:22,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:22,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:22,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:22,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:22,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2023-11-23 20:25:22,917 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2023-11-23 20:25:22,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:25:22,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:22,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:22,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:22,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:22,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 121 states and 128 transitions. [2023-11-23 20:25:22,980 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2023-11-23 20:25:22,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:25:22,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:22,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:23,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:23,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 126 states and 136 transitions. [2023-11-23 20:25:23,215 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 136 transitions. [2023-11-23 20:25:23,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:25:23,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:23,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:23,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:23,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:23,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 127 states and 137 transitions. [2023-11-23 20:25:23,296 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2023-11-23 20:25:23,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:25:23,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:23,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:23,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:23,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:23,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 128 states and 138 transitions. [2023-11-23 20:25:23,344 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2023-11-23 20:25:23,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:25:23,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:23,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:23,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:23,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:23,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 129 states and 139 transitions. [2023-11-23 20:25:23,446 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2023-11-23 20:25:23,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:25:23,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:23,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:23,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:23,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:23,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 130 states and 140 transitions. [2023-11-23 20:25:23,542 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 140 transitions. [2023-11-23 20:25:23,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:25:23,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:23,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:23,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:23,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:23,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 132 states and 143 transitions. [2023-11-23 20:25:23,662 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2023-11-23 20:25:23,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:25:23,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:23,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:23,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:23,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:23,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 133 states and 144 transitions. [2023-11-23 20:25:23,741 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2023-11-23 20:25:23,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:25:23,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:23,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:23,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:23,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2023-11-23 20:25:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2023-11-23 20:25:23,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:25:23,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:23,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:23,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:23,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-23 20:25:23,840 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-23 20:25:23,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:25:23,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:23,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:23,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:23,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2023-11-23 20:25:23,863 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2023-11-23 20:25:23,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:25:23,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:23,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:23,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:23,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:23,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:23,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 136 states and 147 transitions. [2023-11-23 20:25:23,976 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 147 transitions. [2023-11-23 20:25:23,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:25:23,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:23,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:24,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:25:24,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:24,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:25:24,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:24,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-23 20:25:24,016 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-23 20:25:24,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:25:24,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:24,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:24,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:24,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:24,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:25:24,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:24,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 153 states and 169 transitions. [2023-11-23 20:25:24,445 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2023-11-23 20:25:24,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:25:24,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:24,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:24,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:24,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:25:25,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:25,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 172 states and 194 transitions. [2023-11-23 20:25:25,085 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 194 transitions. [2023-11-23 20:25:25,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:25:25,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:25,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:25,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:25,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:25,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:25:25,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:25,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 192 states and 220 transitions. [2023-11-23 20:25:25,947 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 220 transitions. [2023-11-23 20:25:25,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:25:25,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:25,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:25,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:25,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:26,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:25:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:26,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 195 states and 224 transitions. [2023-11-23 20:25:26,372 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 224 transitions. [2023-11-23 20:25:26,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:25:26,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:26,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:26,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:26,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:26,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:25:26,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:26,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 198 states and 228 transitions. [2023-11-23 20:25:26,708 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 228 transitions. [2023-11-23 20:25:26,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:25:26,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:26,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:26,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:26,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:26,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:25:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 200 states and 232 transitions. [2023-11-23 20:25:27,055 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 232 transitions. [2023-11-23 20:25:27,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:25:27,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:27,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:27,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:27,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:25:27,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:27,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 203 states and 237 transitions. [2023-11-23 20:25:27,357 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 237 transitions. [2023-11-23 20:25:27,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:25:27,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:27,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:27,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:27,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:27,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:25:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:27,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 205 states and 240 transitions. [2023-11-23 20:25:27,993 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 240 transitions. [2023-11-23 20:25:27,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:25:27,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:27,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:28,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:28,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:28,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:25:28,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:28,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 209 states and 245 transitions. [2023-11-23 20:25:28,668 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 245 transitions. [2023-11-23 20:25:28,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:25:28,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:28,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:28,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:28,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:28,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:25:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:29,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 210 states and 247 transitions. [2023-11-23 20:25:29,065 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 247 transitions. [2023-11-23 20:25:29,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:25:29,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:29,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:29,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:29,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:25:29,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:29,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 212 states and 250 transitions. [2023-11-23 20:25:29,429 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 250 transitions. [2023-11-23 20:25:29,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:25:29,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:29,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:29,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:29,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:29,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:30,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:30,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 222 states and 266 transitions. [2023-11-23 20:25:30,390 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 266 transitions. [2023-11-23 20:25:30,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:25:30,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:30,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:30,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:30,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:30,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:30,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 223 states and 267 transitions. [2023-11-23 20:25:30,581 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 267 transitions. [2023-11-23 20:25:30,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:25:30,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:30,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:30,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:30,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:31,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:31,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 234 states and 284 transitions. [2023-11-23 20:25:31,775 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 284 transitions. [2023-11-23 20:25:31,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:25:31,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:31,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:31,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:31,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:31,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:32,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:32,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 236 states and 286 transitions. [2023-11-23 20:25:32,041 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 286 transitions. [2023-11-23 20:25:32,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:25:32,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:32,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:32,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:32,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:32,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:32,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 235 states and 285 transitions. [2023-11-23 20:25:32,166 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 285 transitions. [2023-11-23 20:25:32,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:25:32,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:32,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:32,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:32,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:32,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:32,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:32,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 240 states and 295 transitions. [2023-11-23 20:25:32,859 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 295 transitions. [2023-11-23 20:25:32,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:25:32,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:32,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:32,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:32,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:32,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:32,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:32,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 239 states and 294 transitions. [2023-11-23 20:25:32,988 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 294 transitions. [2023-11-23 20:25:32,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:25:32,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:32,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:33,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:33,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:33,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:33,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:33,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 245 states and 305 transitions. [2023-11-23 20:25:33,803 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 305 transitions. [2023-11-23 20:25:33,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:25:33,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:33,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:33,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:33,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:34,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 255 states and 322 transitions. [2023-11-23 20:25:35,828 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 322 transitions. [2023-11-23 20:25:35,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:25:35,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:35,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:35,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:35,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:37,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:37,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 270 states and 345 transitions. [2023-11-23 20:25:37,740 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 345 transitions. [2023-11-23 20:25:37,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:25:37,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:37,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:37,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:37,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:37,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:25:37,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:37,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 269 states and 344 transitions. [2023-11-23 20:25:37,961 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 344 transitions. [2023-11-23 20:25:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:25:37,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:37,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:37,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:37,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:38,024 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:25:38,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:38,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 268 states and 343 transitions. [2023-11-23 20:25:38,078 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 343 transitions. [2023-11-23 20:25:38,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:25:38,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:38,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:38,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:38,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:38,333 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:40,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:40,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 304 states and 420 transitions. [2023-11-23 20:25:40,494 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 420 transitions. [2023-11-23 20:25:40,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:25:40,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:40,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:40,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:40,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:25:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:40,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 303 states and 419 transitions. [2023-11-23 20:25:40,624 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 419 transitions. [2023-11-23 20:25:40,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:25:40,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:40,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:40,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:25:40,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:43,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 340 states and 498 transitions. [2023-11-23 20:25:43,761 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 498 transitions. [2023-11-23 20:25:43,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:25:43,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:43,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:43,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:43,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:43,831 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:25:43,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:43,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 339 states and 497 transitions. [2023-11-23 20:25:43,891 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 497 transitions. [2023-11-23 20:25:43,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:25:43,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:43,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:43,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:25:43,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:43,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:25:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:43,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 338 states and 496 transitions. [2023-11-23 20:25:43,948 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 496 transitions. [2023-11-23 20:25:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:25:43,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:43,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:43,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:43,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:44,174 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:46,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:46,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 364 states and 533 transitions. [2023-11-23 20:25:46,953 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 533 transitions. [2023-11-23 20:25:46,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:25:46,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:46,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:46,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:46,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:47,046 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:47,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:47,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 367 states and 536 transitions. [2023-11-23 20:25:47,561 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 536 transitions. [2023-11-23 20:25:47,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:25:47,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:47,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:47,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:47,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:47,776 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:25:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:49,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 378 states and 560 transitions. [2023-11-23 20:25:49,284 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 560 transitions. [2023-11-23 20:25:49,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:25:49,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:49,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:49,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:49,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:49,525 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:52,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:52,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 405 states and 597 transitions. [2023-11-23 20:25:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 597 transitions. [2023-11-23 20:25:52,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:25:52,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:52,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:52,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:52,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:53,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:53,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 408 states and 600 transitions. [2023-11-23 20:25:53,597 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 600 transitions. [2023-11-23 20:25:53,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:25:53,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:53,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:53,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:53,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:53,678 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 20:25:54,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 407 states and 599 transitions. [2023-11-23 20:25:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 599 transitions. [2023-11-23 20:25:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:25:54,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:54,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:54,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:54,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:25:54,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:54,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 406 states and 598 transitions. [2023-11-23 20:25:54,458 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 598 transitions. [2023-11-23 20:25:54,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:25:54,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:54,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:54,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:25:54,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:54,488 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:25:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 405 states and 597 transitions. [2023-11-23 20:25:54,518 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 597 transitions. [2023-11-23 20:25:54,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:25:54,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:54,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:54,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:54,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:25:56,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:56,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 419 states and 626 transitions. [2023-11-23 20:25:56,356 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 626 transitions. [2023-11-23 20:25:56,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:25:56,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:56,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:56,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:56,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:56,533 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:25:57,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:57,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 434 states and 655 transitions. [2023-11-23 20:25:57,606 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 655 transitions. [2023-11-23 20:25:57,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:25:57,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:57,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:57,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:57,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:57,647 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-23 20:25:57,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:57,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 433 states and 654 transitions. [2023-11-23 20:25:57,704 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 654 transitions. [2023-11-23 20:25:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:25:57,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:57,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:57,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:57,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:57,893 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:25:59,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:59,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 449 states and 685 transitions. [2023-11-23 20:25:59,258 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 685 transitions. [2023-11-23 20:25:59,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:25:59,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:59,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:59,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:59,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:59,307 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:25:59,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:59,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 448 states and 684 transitions. [2023-11-23 20:25:59,369 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 684 transitions. [2023-11-23 20:25:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:25:59,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:59,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:59,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:59,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:59,600 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:25:59,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 447 states and 683 transitions. [2023-11-23 20:25:59,793 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 683 transitions. [2023-11-23 20:25:59,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:25:59,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:59,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:59,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:25:59,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:26:00,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:00,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 446 states and 682 transitions. [2023-11-23 20:26:00,310 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 682 transitions. [2023-11-23 20:26:00,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:26:00,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:00,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:00,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:00,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:26:02,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:02,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 464 states and 714 transitions. [2023-11-23 20:26:02,809 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 714 transitions. [2023-11-23 20:26:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:26:02,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:02,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:02,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:02,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-23 20:26:03,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:03,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 463 states and 713 transitions. [2023-11-23 20:26:03,282 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 713 transitions. [2023-11-23 20:26:03,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:26:03,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:03,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:03,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:03,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:03,353 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:26:04,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:04,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 462 states and 712 transitions. [2023-11-23 20:26:04,335 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 712 transitions. [2023-11-23 20:26:04,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:26:04,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:04,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:04,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:04,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:04,408 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:26:05,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:05,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 461 states and 711 transitions. [2023-11-23 20:26:05,554 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 711 transitions. [2023-11-23 20:26:05,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:26:05,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:05,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:05,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:05,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:05,997 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:26:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:10,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 147 states and 223 transitions. [2023-11-23 20:26:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2023-11-23 20:26:10,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:26:10,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:10,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:10,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:10,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:10,303 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:26:12,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:12,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 146 states and 222 transitions. [2023-11-23 20:26:12,434 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 222 transitions. [2023-11-23 20:26:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:26:12,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:12,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:12,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:12,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.