./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 0e0057cc 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_0c99c25c-57a2-4ea2-a910-d114e74d11ac/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c99c25c-57a2-4ea2-a910-d114e74d11ac/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c99c25c-57a2-4ea2-a910-d114e74d11ac/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c99c25c-57a2-4ea2-a910-d114e74d11ac/bin/ukojak-verify-afCqCEvfdi/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_0c99c25c-57a2-4ea2-a910-d114e74d11ac/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c99c25c-57a2-4ea2-a910-d114e74d11ac/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 22:53:30,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:30,809 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c99c25c-57a2-4ea2-a910-d114e74d11ac/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:53:30,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:30,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:30,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:30,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:53:30,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:53:30,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:30,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:30,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:30,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:30,844 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:53:30,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:30,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:53:30,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:30,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:30,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:30,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:30,848 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:53:30,849 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:53:30,849 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:53:30,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:30,851 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:30,851 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:30,852 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:30,852 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:30,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:30,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:30,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:30,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:30,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:53:30,856 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:30,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:30,857 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:53:30,857 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_0c99c25c-57a2-4ea2-a910-d114e74d11ac/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c99c25c-57a2-4ea2-a910-d114e74d11ac/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b27cf24a9b45c76034fb9a60cae976f5ca5dfa5338fef373d189f4ae84c7ed4 [2023-11-24 22:53:31,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:31,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:31,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:31,212 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:31,213 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:31,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c99c25c-57a2-4ea2-a910-d114e74d11ac/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c [2023-11-24 22:53:34,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:34,544 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:34,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c99c25c-57a2-4ea2-a910-d114e74d11ac/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound50.c [2023-11-24 22:53:34,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c99c25c-57a2-4ea2-a910-d114e74d11ac/bin/ukojak-verify-afCqCEvfdi/data/317dbb281/cc942cff4ef24cda8e95855df7233355/FLAG61760b250 [2023-11-24 22:53:34,571 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c99c25c-57a2-4ea2-a910-d114e74d11ac/bin/ukojak-verify-afCqCEvfdi/data/317dbb281/cc942cff4ef24cda8e95855df7233355 [2023-11-24 22:53:34,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:34,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:34,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:34,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:34,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:34,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:34" (1/1) ... [2023-11-24 22:53:34,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415e5de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:34, skipping insertion in model container [2023-11-24 22:53:34,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:34" (1/1) ... [2023-11-24 22:53:34,621 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:34,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:34,863 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:34,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:34,897 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:34,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:34 WrapperNode [2023-11-24 22:53:34,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:34,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:34,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:34,899 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:34,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:34" (1/1) ... [2023-11-24 22:53:34,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:34" (1/1) ... [2023-11-24 22:53:34,956 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-24 22:53:34,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:34,957 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:34,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:34,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:34,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:34" (1/1) ... [2023-11-24 22:53:34,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:34" (1/1) ... [2023-11-24 22:53:34,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:34" (1/1) ... [2023-11-24 22:53:34,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:34" (1/1) ... [2023-11-24 22:53:34,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:34" (1/1) ... [2023-11-24 22:53:34,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:34" (1/1) ... [2023-11-24 22:53:34,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:34" (1/1) ... [2023-11-24 22:53:34,981 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:34" (1/1) ... [2023-11-24 22:53:34,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:34,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:34,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:34,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:34,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:34" (1/1) ... [2023-11-24 22:53:34,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:35,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c99c25c-57a2-4ea2-a910-d114e74d11ac/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:35,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c99c25c-57a2-4ea2-a910-d114e74d11ac/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:35,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c99c25c-57a2-4ea2-a910-d114e74d11ac/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:53:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:53:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:53:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:53:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:53:35,144 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:35,147 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:35,608 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:35,641 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:35,641 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:53:35,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:35 BoogieIcfgContainer [2023-11-24 22:53:35,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:35,644 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:35,644 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:35,655 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:35,655 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:35" (1/1) ... [2023-11-24 22:53:35,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:35,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:35,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 104 states and 112 transitions. [2023-11-24 22:53:35,726 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2023-11-24 22:53:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:53:35,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:35,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:35,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:53:35,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:36,180 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:53:36,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 117 transitions. [2023-11-24 22:53:36,392 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2023-11-24 22:53:36,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:53:36,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:36,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:36,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:53:36,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:36,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:37,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:37,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 125 transitions. [2023-11-24 22:53:37,040 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2023-11-24 22:53:37,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:53:37,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:37,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:37,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:53:37,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:37,185 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:53:37,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 113 states and 134 transitions. [2023-11-24 22:53:37,488 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2023-11-24 22:53:37,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:53:37,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:37,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:37,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:53:37,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:37,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:38,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:38,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 118 states and 144 transitions. [2023-11-24 22:53:38,041 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 144 transitions. [2023-11-24 22:53:38,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:53:38,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:38,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:38,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:53:38,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:38,195 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:38,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:38,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 124 states and 156 transitions. [2023-11-24 22:53:38,829 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 156 transitions. [2023-11-24 22:53:38,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:53:38,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:38,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:38,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:53:38,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:40,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 131 states and 170 transitions. [2023-11-24 22:53:40,005 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 170 transitions. [2023-11-24 22:53:40,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:53:40,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:40,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:40,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:53:40,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:41,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:41,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 139 states and 186 transitions. [2023-11-24 22:53:41,921 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 186 transitions. [2023-11-24 22:53:41,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:53:41,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:41,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:41,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:53:41,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:42,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:42,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 187 transitions. [2023-11-24 22:53:42,095 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 187 transitions. [2023-11-24 22:53:42,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:53:42,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:42,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:42,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:53:42,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:42,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:42,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:42,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 143 states and 192 transitions. [2023-11-24 22:53:42,395 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 192 transitions. [2023-11-24 22:53:42,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:53:42,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:42,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:42,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:53:42,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:42,492 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:42,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:42,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 142 states and 191 transitions. [2023-11-24 22:53:42,685 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2023-11-24 22:53:42,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:53:42,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:42,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:42,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:53:42,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:43,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:46,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:46,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 151 states and 209 transitions. [2023-11-24 22:53:46,479 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 209 transitions. [2023-11-24 22:53:46,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:53:46,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:46,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:46,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:53:46,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:46,593 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:46,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:46,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 150 states and 208 transitions. [2023-11-24 22:53:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2023-11-24 22:53:46,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:53:46,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:46,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:46,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:53:46,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:47,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:53,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:53,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 161 states and 230 transitions. [2023-11-24 22:53:53,124 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 230 transitions. [2023-11-24 22:53:53,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:53:53,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:53,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:53,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:53:53,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:53,189 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:53,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:53,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 164 states and 234 transitions. [2023-11-24 22:53:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 234 transitions. [2023-11-24 22:53:53,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:53:53,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:53,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:53,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:53:53,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:53,346 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:53,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:53,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 163 states and 233 transitions. [2023-11-24 22:53:53,505 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 233 transitions. [2023-11-24 22:53:53,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:53:53,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:53,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:53,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:53:53,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:53,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:54,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:54,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 166 states and 237 transitions. [2023-11-24 22:53:54,139 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 237 transitions. [2023-11-24 22:53:54,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:53:54,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:54,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:54,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:53:54,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:54,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:59,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:59,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 177 states and 259 transitions. [2023-11-24 22:53:59,908 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 259 transitions. [2023-11-24 22:53:59,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:53:59,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:59,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:59,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:53:59,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:00,696 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:54:16,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:16,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 182 states and 269 transitions. [2023-11-24 22:54:16,975 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 269 transitions. [2023-11-24 22:54:16,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:54:16,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:16,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:17,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:54:17,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:17,036 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:17,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:17,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 185 states and 273 transitions. [2023-11-24 22:54:17,115 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 273 transitions. [2023-11-24 22:54:17,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:54:17,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:17,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:17,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:54:17,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:17,600 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:23,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:23,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 198 states and 300 transitions. [2023-11-24 22:54:23,590 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 300 transitions. [2023-11-24 22:54:23,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:54:23,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:23,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:23,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:54:23,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:23,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:54:28,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:28,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 210 states and 324 transitions. [2023-11-24 22:54:28,590 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 324 transitions. [2023-11-24 22:54:28,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:54:28,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:28,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:28,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:54:28,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:28,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.