./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.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_dd5c3bb9-8021-4cfe-998b-d923c4e9e089/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c3bb9-8021-4cfe-998b-d923c4e9e089/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_dd5c3bb9-8021-4cfe-998b-d923c4e9e089/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c3bb9-8021-4cfe-998b-d923c4e9e089/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c3bb9-8021-4cfe-998b-d923c4e9e089/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_dd5c3bb9-8021-4cfe-998b-d923c4e9e089/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 3b27cf24a9b45c76034fb9a60cae976f5ca5dfa5338fef373d189f4ae84c7ed4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:10:21,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:10:21,931 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c3bb9-8021-4cfe-998b-d923c4e9e089/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:10:21,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:10:21,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:10:21,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:10:21,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:10:21,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:10:21,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:10:21,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:10:21,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:10:21,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:10:21,969 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:10:21,969 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:10:21,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:10:21,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:10:21,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:10:21,972 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:10:21,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:10:21,973 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:10:21,974 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:10:21,974 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:10:21,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:10:21,976 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:10:21,976 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:10:21,977 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:10:21,977 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:10:21,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:10:21,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:21,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:10:21,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:10:21,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:10:21,980 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:10:21,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:10:21,981 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:10:21,982 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_dd5c3bb9-8021-4cfe-998b-d923c4e9e089/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c3bb9-8021-4cfe-998b-d923c4e9e089/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b27cf24a9b45c76034fb9a60cae976f5ca5dfa5338fef373d189f4ae84c7ed4 [2023-11-23 20:10:22,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:10:22,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:10:22,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:10:22,277 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:10:22,279 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:10:22,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c3bb9-8021-4cfe-998b-d923c4e9e089/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c [2023-11-23 20:10:25,479 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:25,737 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:25,738 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c3bb9-8021-4cfe-998b-d923c4e9e089/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c [2023-11-23 20:10:25,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c3bb9-8021-4cfe-998b-d923c4e9e089/bin/ukojak-verify-1t5iHCbJaC/data/3245303b8/6e5b9ddc15a14ed69907300f642a4a72/FLAGb7387a841 [2023-11-23 20:10:25,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c3bb9-8021-4cfe-998b-d923c4e9e089/bin/ukojak-verify-1t5iHCbJaC/data/3245303b8/6e5b9ddc15a14ed69907300f642a4a72 [2023-11-23 20:10:25,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:25,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:25,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:25,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:25,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:25,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:25" (1/1) ... [2023-11-23 20:10:25,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6825ec9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:25, skipping insertion in model container [2023-11-23 20:10:25,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:25" (1/1) ... [2023-11-23 20:10:25,800 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:25,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:25,997 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:26,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:26,033 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:26,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:26 WrapperNode [2023-11-23 20:10:26,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:26,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:26,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:26,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:26,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:26" (1/1) ... [2023-11-23 20:10:26,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:26" (1/1) ... [2023-11-23 20:10:26,080 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-23 20:10:26,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:26,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:26,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:26,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:26,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:26" (1/1) ... [2023-11-23 20:10:26,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:26" (1/1) ... [2023-11-23 20:10:26,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:26" (1/1) ... [2023-11-23 20:10:26,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:26" (1/1) ... [2023-11-23 20:10:26,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:26" (1/1) ... [2023-11-23 20:10:26,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:26" (1/1) ... [2023-11-23 20:10:26,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:26" (1/1) ... [2023-11-23 20:10:26,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:26" (1/1) ... [2023-11-23 20:10:26,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:26,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:26,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:26,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:26,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:26" (1/1) ... [2023-11-23 20:10:26,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:26,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c3bb9-8021-4cfe-998b-d923c4e9e089/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:26,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c3bb9-8021-4cfe-998b-d923c4e9e089/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:26,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c3bb9-8021-4cfe-998b-d923c4e9e089/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:10:26,202 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:10:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:10:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:26,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:10:26,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:10:26,267 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:26,269 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:26,690 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:26,757 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:26,757 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:10:26,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:26 BoogieIcfgContainer [2023-11-23 20:10:26,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:26,760 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:26,761 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:26,772 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:26,772 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:26" (1/1) ... [2023-11-23 20:10:26,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:10:26,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:26,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 104 states and 112 transitions. [2023-11-23 20:10:26,847 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2023-11-23 20:10:26,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:10:26,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:26,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:27,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:10:27,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:27,367 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 20:10:27,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:27,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 117 transitions. [2023-11-23 20:10:27,590 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2023-11-23 20:10:27,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:10:27,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:27,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:27,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:10:27,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:27,811 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 20:10:27,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:28,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 109 states and 125 transitions. [2023-11-23 20:10:28,002 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2023-11-23 20:10:28,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:10:28,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:28,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:28,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:10:28,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:28,214 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 20:10:28,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:28,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 113 states and 134 transitions. [2023-11-23 20:10:28,549 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2023-11-23 20:10:28,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:10:28,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:28,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:28,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 20:10:28,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:28,789 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 20:10:29,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 118 states and 143 transitions. [2023-11-23 20:10:29,133 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 143 transitions. [2023-11-23 20:10:29,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:10:29,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:29,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:29,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:10:29,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:29,346 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 20:10:29,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:29,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 124 states and 154 transitions. [2023-11-23 20:10:29,802 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 154 transitions. [2023-11-23 20:10:29,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:10:29,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:29,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:29,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:10:29,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:30,054 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 20:10:31,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:31,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 131 states and 167 transitions. [2023-11-23 20:10:31,264 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2023-11-23 20:10:31,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:10:31,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:31,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:31,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:10:31,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:31,408 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 20:10:32,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:32,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 139 states and 182 transitions. [2023-11-23 20:10:32,618 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 182 transitions. [2023-11-23 20:10:32,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:10:32,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:32,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:32,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:10:32,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:32,810 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 20:10:32,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:32,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 140 states and 183 transitions. [2023-11-23 20:10:32,855 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 183 transitions. [2023-11-23 20:10:32,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:10:32,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:32,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:32,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:10:32,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:33,016 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 20:10:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:33,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 143 states and 188 transitions. [2023-11-23 20:10:33,115 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 188 transitions. [2023-11-23 20:10:33,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:10:33,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:33,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:33,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:10:33,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:33,198 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 20:10:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:33,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 142 states and 187 transitions. [2023-11-23 20:10:33,352 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 187 transitions. [2023-11-23 20:10:33,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:10:33,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:33,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:33,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:10:33,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:33,561 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 20:10:35,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:35,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 151 states and 205 transitions. [2023-11-23 20:10:35,245 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 205 transitions. [2023-11-23 20:10:35,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:10:35,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:35,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:35,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:10:35,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:35,391 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 20:10:35,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:35,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 150 states and 204 transitions. [2023-11-23 20:10:35,479 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 204 transitions. [2023-11-23 20:10:35,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:10:35,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:35,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:35,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:10:35,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:35,713 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 20:10:37,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:37,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 159 states and 222 transitions. [2023-11-23 20:10:37,390 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 222 transitions. [2023-11-23 20:10:37,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:10:37,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:37,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:37,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:10:37,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:37,461 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 20:10:37,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:37,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 226 transitions. [2023-11-23 20:10:37,528 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 226 transitions. [2023-11-23 20:10:37,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:10:37,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:37,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:37,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:10:37,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:37,657 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 20:10:37,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:37,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 161 states and 225 transitions. [2023-11-23 20:10:37,750 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 225 transitions. [2023-11-23 20:10:37,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:10:37,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:37,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:37,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:10:37,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:37,815 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 20:10:38,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:38,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 164 states and 229 transitions. [2023-11-23 20:10:38,150 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-11-23 20:10:38,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:10:38,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:38,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:38,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:10:38,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:38,458 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 20:10:42,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:42,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 174 states and 249 transitions. [2023-11-23 20:10:42,173 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-11-23 20:10:42,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:10:42,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:42,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:42,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:10:42,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:42,487 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:10:53,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:53,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 179 states and 259 transitions. [2023-11-23 20:10:53,217 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 259 transitions. [2023-11-23 20:10:53,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:10:53,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:53,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:53,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:10:53,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:53,289 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 20:10:53,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:53,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 182 states and 263 transitions. [2023-11-23 20:10:53,349 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 263 transitions. [2023-11-23 20:10:53,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:10:53,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:53,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:53,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:10:53,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:53,573 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 20:10:57,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:57,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 193 states and 286 transitions. [2023-11-23 20:10:57,510 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 286 transitions. [2023-11-23 20:10:57,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:10:57,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:57,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:57,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:10:57,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:57,816 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 20:11:02,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:02,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 204 states and 308 transitions. [2023-11-23 20:11:02,032 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 308 transitions. [2023-11-23 20:11:02,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:11:02,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:02,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:02,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:02,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:02,093 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 20:11:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 208 states and 315 transitions. [2023-11-23 20:11:03,317 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 315 transitions. [2023-11-23 20:11:03,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:11:03,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:03,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:03,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:11:03,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:11:06,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:06,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 207 states and 314 transitions. [2023-11-23 20:11:06,662 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 314 transitions. [2023-11-23 20:11:06,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:11:06,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:06,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:06,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:06,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:06,727 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 20:11:07,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:07,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 211 states and 321 transitions. [2023-11-23 20:11:07,509 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 321 transitions. [2023-11-23 20:11:07,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:11:07,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:07,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:07,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:11:07,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:07,841 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 20:11:09,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 215 states and 328 transitions. [2023-11-23 20:11:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 328 transitions. [2023-11-23 20:11:09,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:11:09,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:09,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:09,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:11:09,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:09,458 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 20:11:11,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:11,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 219 states and 334 transitions. [2023-11-23 20:11:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 334 transitions. [2023-11-23 20:11:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:11:11,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:11,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:11,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:11:11,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:11,391 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 20:11:13,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:13,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 224 states and 344 transitions. [2023-11-23 20:11:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 344 transitions. [2023-11-23 20:11:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:11:13,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:13,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:13,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:13,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:13,926 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 20:11:14,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:14,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 228 states and 350 transitions. [2023-11-23 20:11:14,818 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 350 transitions. [2023-11-23 20:11:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:11:14,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:14,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:14,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:11:14,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:15,183 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 20:11:16,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:16,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 232 states and 356 transitions. [2023-11-23 20:11:16,672 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 356 transitions. [2023-11-23 20:11:16,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:11:16,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:16,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:16,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:11:16,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:17,102 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 20:11:20,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:20,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 244 states and 377 transitions. [2023-11-23 20:11:20,440 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 377 transitions. [2023-11-23 20:11:20,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:11:20,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:20,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:20,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:11:20,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:20,652 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 20:11:23,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:23,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 250 states and 389 transitions. [2023-11-23 20:11:23,067 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 389 transitions. [2023-11-23 20:11:23,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:11:23,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:23,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:23,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:11:23,096 INFO L285 TraceCheckSpWp]: Computing forward predicates...