./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/egcd3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e292c022-771f-4b19-a94f-f0ae5483a88c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e292c022-771f-4b19-a94f-f0ae5483a88c/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_e292c022-771f-4b19-a94f-f0ae5483a88c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e292c022-771f-4b19-a94f-f0ae5483a88c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e292c022-771f-4b19-a94f-f0ae5483a88c/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_e292c022-771f-4b19-a94f-f0ae5483a88c/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 bb88ed9682db6491f425c1562db72fd328b6ec1826a177590c091d79b16175c0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:23:01,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:23:01,714 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e292c022-771f-4b19-a94f-f0ae5483a88c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:23:01,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:23:01,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:23:01,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:23:01,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:23:01,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:23:01,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:23:01,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:23:01,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:23:01,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:23:01,752 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:23:01,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:23:01,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:23:01,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:23:01,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:23:01,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:23:01,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:23:01,756 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:23:01,757 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:23:01,757 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:23:01,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:23:01,758 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:23:01,759 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:23:01,760 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:23:01,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:23:01,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:23:01,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:23:01,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:23:01,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:23:01,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:23:01,763 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:23:01,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:23:01,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:23:01,764 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_e292c022-771f-4b19-a94f-f0ae5483a88c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e292c022-771f-4b19-a94f-f0ae5483a88c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb88ed9682db6491f425c1562db72fd328b6ec1826a177590c091d79b16175c0 [2023-11-23 20:23:02,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:23:02,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:23:02,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:23:02,085 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:23:02,085 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:23:02,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e292c022-771f-4b19-a94f-f0ae5483a88c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/egcd3.c [2023-11-23 20:23:05,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:23:05,474 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:23:05,475 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e292c022-771f-4b19-a94f-f0ae5483a88c/sv-benchmarks/c/nla-digbench/egcd3.c [2023-11-23 20:23:05,485 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e292c022-771f-4b19-a94f-f0ae5483a88c/bin/ukojak-verify-1t5iHCbJaC/data/f55ad0b2a/3c568ad3f05241dc89f8bb39e499c181/FLAG93ac94ffa [2023-11-23 20:23:05,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e292c022-771f-4b19-a94f-f0ae5483a88c/bin/ukojak-verify-1t5iHCbJaC/data/f55ad0b2a/3c568ad3f05241dc89f8bb39e499c181 [2023-11-23 20:23:05,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:23:05,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:23:05,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:23:05,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:23:05,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:23:05,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:05" (1/1) ... [2023-11-23 20:23:05,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec10f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:05, skipping insertion in model container [2023-11-23 20:23:05,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:05" (1/1) ... [2023-11-23 20:23:05,552 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:23:05,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:23:05,788 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:23:05,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:23:05,841 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:23:05,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:05 WrapperNode [2023-11-23 20:23:05,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:23:05,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:23:05,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:23:05,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:23:05,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:05" (1/1) ... [2023-11-23 20:23:05,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:05" (1/1) ... [2023-11-23 20:23:05,886 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 145 [2023-11-23 20:23:05,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:23:05,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:23:05,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:23:05,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:23:05,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:05" (1/1) ... [2023-11-23 20:23:05,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:05" (1/1) ... [2023-11-23 20:23:05,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:05" (1/1) ... [2023-11-23 20:23:05,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:05" (1/1) ... [2023-11-23 20:23:05,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:05" (1/1) ... [2023-11-23 20:23:05,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:05" (1/1) ... [2023-11-23 20:23:05,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:05" (1/1) ... [2023-11-23 20:23:05,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:05" (1/1) ... [2023-11-23 20:23:05,916 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:23:05,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:23:05,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:23:05,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:23:05,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:05" (1/1) ... [2023-11-23 20:23:05,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:23:05,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e292c022-771f-4b19-a94f-f0ae5483a88c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:23:05,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e292c022-771f-4b19-a94f-f0ae5483a88c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:23:05,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e292c022-771f-4b19-a94f-f0ae5483a88c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:23:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:23:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:23:06,014 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:23:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:23:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:23:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:23:06,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:23:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:23:06,094 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:23:06,097 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:23:06,574 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:23:06,618 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:23:06,618 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:23:06,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:06 BoogieIcfgContainer [2023-11-23 20:23:06,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:23:06,621 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:23:06,621 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:23:06,632 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:23:06,633 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:06" (1/1) ... [2023-11-23 20:23:06,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:23:06,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 122 states and 132 transitions. [2023-11-23 20:23:06,704 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 132 transitions. [2023-11-23 20:23:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:23:06,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:06,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:06,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:23:06,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:06,962 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 20:23:06,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:07,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 122 states and 131 transitions. [2023-11-23 20:23:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 131 transitions. [2023-11-23 20:23:07,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:23:07,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:07,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:07,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:07,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:07,154 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 20:23:07,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:07,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 125 states and 136 transitions. [2023-11-23 20:23:07,217 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 136 transitions. [2023-11-23 20:23:07,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:23:07,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:07,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:07,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:07,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:07,351 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 20:23:07,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:07,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 129 states and 142 transitions. [2023-11-23 20:23:07,634 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 142 transitions. [2023-11-23 20:23:07,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:23:07,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:07,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:07,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:07,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:07,735 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 20:23:07,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:07,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 134 states and 150 transitions. [2023-11-23 20:23:07,936 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 150 transitions. [2023-11-23 20:23:07,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:23:07,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:07,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:07,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:23:07,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:07,986 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 20:23:07,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:07,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 134 states and 149 transitions. [2023-11-23 20:23:07,997 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 149 transitions. [2023-11-23 20:23:07,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:23:07,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:07,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:08,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:08,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:08,042 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 20:23:08,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:08,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 135 states and 150 transitions. [2023-11-23 20:23:08,060 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 150 transitions. [2023-11-23 20:23:08,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:23:08,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:08,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:08,094 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 20:23:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:08,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 135 states and 149 transitions. [2023-11-23 20:23:08,104 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 149 transitions. [2023-11-23 20:23:08,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:23:08,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:08,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:08,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:08,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:08,165 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 20:23:08,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:08,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 141 states and 163 transitions. [2023-11-23 20:23:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2023-11-23 20:23:08,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:23:08,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:08,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:08,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:08,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:08,359 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 20:23:08,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:08,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 145 states and 172 transitions. [2023-11-23 20:23:08,454 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2023-11-23 20:23:08,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:23:08,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:08,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:08,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:08,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:08,546 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 20:23:08,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 148 states and 176 transitions. [2023-11-23 20:23:08,772 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2023-11-23 20:23:08,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:23:08,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:08,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:08,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:08,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:08,816 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 20:23:08,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:08,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 149 states and 177 transitions. [2023-11-23 20:23:08,834 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 177 transitions. [2023-11-23 20:23:08,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:23:08,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:08,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:08,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:08,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:08,878 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 20:23:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:08,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 150 states and 178 transitions. [2023-11-23 20:23:08,896 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 178 transitions. [2023-11-23 20:23:08,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:23:08,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:08,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:08,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:08,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:08,984 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 20:23:09,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:09,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 151 states and 179 transitions. [2023-11-23 20:23:09,226 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 179 transitions. [2023-11-23 20:23:09,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:23:09,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:09,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:09,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:09,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:09,304 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 20:23:09,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:09,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 157 states and 190 transitions. [2023-11-23 20:23:09,546 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 190 transitions. [2023-11-23 20:23:09,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:23:09,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:09,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:09,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:09,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:09,702 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 20:23:10,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:10,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 161 states and 197 transitions. [2023-11-23 20:23:10,060 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 197 transitions. [2023-11-23 20:23:10,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:23:10,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:10,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:10,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:10,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:10,106 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 20:23:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:10,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 168 states and 206 transitions. [2023-11-23 20:23:10,547 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 206 transitions. [2023-11-23 20:23:10,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:23:10,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:10,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:10,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:10,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:10,626 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 20:23:10,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:10,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 175 states and 218 transitions. [2023-11-23 20:23:10,874 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 218 transitions. [2023-11-23 20:23:10,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:23:10,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:10,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:10,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:10,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:11,027 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 20:23:11,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:11,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 180 states and 226 transitions. [2023-11-23 20:23:11,515 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 226 transitions. [2023-11-23 20:23:11,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:23:11,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:11,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:11,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:11,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:11,573 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 20:23:11,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:11,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 181 states and 227 transitions. [2023-11-23 20:23:11,612 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 227 transitions. [2023-11-23 20:23:11,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:23:11,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:11,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:11,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:11,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:11,707 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 20:23:11,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:11,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 184 states and 231 transitions. [2023-11-23 20:23:11,956 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 231 transitions. [2023-11-23 20:23:11,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:23:11,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:11,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:11,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:11,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:12,037 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 20:23:12,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:12,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 192 states and 246 transitions. [2023-11-23 20:23:12,715 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 246 transitions. [2023-11-23 20:23:12,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:23:12,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:12,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:12,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:23:12,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:12,870 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 20:23:13,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:13,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 195 states and 249 transitions. [2023-11-23 20:23:13,189 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 249 transitions. [2023-11-23 20:23:13,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:23:13,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:13,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:13,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:13,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:13,289 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 20:23:13,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:13,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 196 states and 250 transitions. [2023-11-23 20:23:13,674 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 250 transitions. [2023-11-23 20:23:13,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:23:13,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:13,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:13,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:13,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:13,717 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 20:23:13,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:13,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 197 states and 251 transitions. [2023-11-23 20:23:13,732 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 251 transitions. [2023-11-23 20:23:13,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:23:13,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:13,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:13,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:23:13,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:13,823 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 20:23:14,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:14,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 198 states and 252 transitions. [2023-11-23 20:23:14,152 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 252 transitions. [2023-11-23 20:23:14,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:23:14,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:14,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:14,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:14,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:14,341 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 20:23:15,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:15,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 206 states and 264 transitions. [2023-11-23 20:23:15,239 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 264 transitions. [2023-11-23 20:23:15,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:23:15,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:15,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:15,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:15,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:15,439 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 20:23:16,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:16,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 219 states and 281 transitions. [2023-11-23 20:23:16,548 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 281 transitions. [2023-11-23 20:23:16,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:23:16,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:16,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:16,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:16,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:16,836 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 20:23:18,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 228 states and 297 transitions. [2023-11-23 20:23:18,126 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2023-11-23 20:23:18,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:23:18,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:18,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:18,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:18,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:18,343 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 20:23:19,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:19,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 242 states and 315 transitions. [2023-11-23 20:23:19,978 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 315 transitions. [2023-11-23 20:23:19,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:23:19,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:19,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:20,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:20,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:20,029 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 20:23:20,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:20,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 251 states and 328 transitions. [2023-11-23 20:23:20,412 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 328 transitions. [2023-11-23 20:23:20,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:23:20,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:20,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:20,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:23:20,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:20,855 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 20:23:22,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:22,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 262 states and 339 transitions. [2023-11-23 20:23:22,384 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 339 transitions. [2023-11-23 20:23:22,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:23:22,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:22,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:22,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:22,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:22,432 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 20:23:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:22,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 263 states and 340 transitions. [2023-11-23 20:23:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 340 transitions. [2023-11-23 20:23:22,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:23:22,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:22,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:22,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:23:22,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:22,912 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 20:23:25,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:25,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 279 states and 359 transitions. [2023-11-23 20:23:25,089 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 359 transitions. [2023-11-23 20:23:25,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:23:25,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:25,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:25,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:25,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:25,171 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 20:23:25,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 292 states and 380 transitions. [2023-11-23 20:23:25,791 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 380 transitions. [2023-11-23 20:23:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:23:25,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:25,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:25,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:23:25,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:26,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:23:29,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:29,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 307 states and 414 transitions. [2023-11-23 20:23:29,875 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 414 transitions. [2023-11-23 20:23:29,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:23:29,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:29,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:29,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:29,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:30,172 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 20:23:34,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:34,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 323 states and 442 transitions. [2023-11-23 20:23:34,227 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 442 transitions. [2023-11-23 20:23:34,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:23:34,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:34,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:34,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:23:34,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:34,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:23:34,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 325 states and 447 transitions. [2023-11-23 20:23:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 447 transitions. [2023-11-23 20:23:34,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:23:34,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:34,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:34,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:34,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:34,917 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 20:23:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:35,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 328 states and 451 transitions. [2023-11-23 20:23:35,576 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 451 transitions. [2023-11-23 20:23:35,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:23:35,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:35,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:35,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:23:35,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:35,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:23:36,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:36,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 330 states and 455 transitions. [2023-11-23 20:23:36,003 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 455 transitions. [2023-11-23 20:23:36,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:23:36,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:36,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:36,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:36,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:36,340 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 20:23:37,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:37,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 331 states and 456 transitions. [2023-11-23 20:23:37,098 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 456 transitions. [2023-11-23 20:23:37,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:23:37,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:37,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:37,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:23:37,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:37,673 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:23:42,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:42,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 350 states and 503 transitions. [2023-11-23 20:23:42,581 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 503 transitions. [2023-11-23 20:23:42,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:23:42,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:42,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:42,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:42,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:23:47,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:47,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 359 states and 526 transitions. [2023-11-23 20:23:47,014 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 526 transitions. [2023-11-23 20:23:47,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:23:47,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:47,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:47,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:47,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:47,074 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:23:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:47,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 361 states and 532 transitions. [2023-11-23 20:23:47,544 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 532 transitions. [2023-11-23 20:23:47,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:23:47,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:47,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:47,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:23:47,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:47,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:23:48,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:48,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 363 states and 536 transitions. [2023-11-23 20:23:48,294 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 536 transitions. [2023-11-23 20:23:48,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:23:48,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:48,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:48,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:23:48,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:48,446 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:23:48,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:48,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 365 states and 538 transitions. [2023-11-23 20:23:48,921 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 538 transitions. [2023-11-23 20:23:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:23:48,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:48,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:48,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:48,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:48,983 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:23:49,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:49,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 367 states and 540 transitions. [2023-11-23 20:23:49,532 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 540 transitions. [2023-11-23 20:23:49,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:23:49,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:49,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:49,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:49,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:23:50,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:50,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 369 states and 546 transitions. [2023-11-23 20:23:50,150 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 546 transitions. [2023-11-23 20:23:50,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:23:50,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:50,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:50,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:50,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:23:50,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:50,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 371 states and 556 transitions. [2023-11-23 20:23:50,726 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 556 transitions. [2023-11-23 20:23:50,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:23:50,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:50,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:50,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:23:50,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:50,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:23:51,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:51,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 373 states and 558 transitions. [2023-11-23 20:23:51,470 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 558 transitions. [2023-11-23 20:23:51,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:23:51,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:51,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:51,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:23:51,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:51,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:23:57,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:57,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 389 states and 595 transitions. [2023-11-23 20:23:57,563 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 595 transitions. [2023-11-23 20:23:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:23:57,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:57,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:57,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:23:57,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:57,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:23:58,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:58,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 391 states and 599 transitions. [2023-11-23 20:23:58,347 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 599 transitions. [2023-11-23 20:23:58,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:23:58,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:58,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:58,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:23:58,376 INFO L285 TraceCheckSpWp]: Computing forward predicates...