./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-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_09939c7f-01b4-4209-b738-02639c7ed1ae/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09939c7f-01b4-4209-b738-02639c7ed1ae/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_09939c7f-01b4-4209-b738-02639c7ed1ae/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09939c7f-01b4-4209-b738-02639c7ed1ae/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09939c7f-01b4-4209-b738-02639c7ed1ae/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_09939c7f-01b4-4209-b738-02639c7ed1ae/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 ca0a35d4b53e887915aee77ad0870e3a785e5005b2722a373bb8b33ec26ecb04 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:17:20,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:17:20,141 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09939c7f-01b4-4209-b738-02639c7ed1ae/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:17:20,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:17:20,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:17:20,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:17:20,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:17:20,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:17:20,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:17:20,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:17:20,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:17:20,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:17:20,195 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:17:20,197 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:17:20,198 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:17:20,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:17:20,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:17:20,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:17:20,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:17:20,200 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:17:20,200 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:17:20,201 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:17:20,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:17:20,202 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:17:20,202 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:17:20,203 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:17:20,203 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:17:20,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:17:20,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:20,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:17:20,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:17:20,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:17:20,206 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:17:20,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:17:20,207 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:17:20,207 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_09939c7f-01b4-4209-b738-02639c7ed1ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09939c7f-01b4-4209-b738-02639c7ed1ae/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca0a35d4b53e887915aee77ad0870e3a785e5005b2722a373bb8b33ec26ecb04 [2023-11-24 22:17:20,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:17:20,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:17:20,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:17:20,508 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:17:20,509 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:17:20,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09939c7f-01b4-4209-b738-02639c7ed1ae/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound50.c [2023-11-24 22:17:23,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:17:23,854 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:17:23,854 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09939c7f-01b4-4209-b738-02639c7ed1ae/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound50.c [2023-11-24 22:17:23,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09939c7f-01b4-4209-b738-02639c7ed1ae/bin/ukojak-verify-afCqCEvfdi/data/482522422/c0d37f2ae7c94388bff64ea20fa2941c/FLAGbcd4c6562 [2023-11-24 22:17:23,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09939c7f-01b4-4209-b738-02639c7ed1ae/bin/ukojak-verify-afCqCEvfdi/data/482522422/c0d37f2ae7c94388bff64ea20fa2941c [2023-11-24 22:17:23,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:17:23,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:17:23,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:23,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:17:23,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:17:23,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:23" (1/1) ... [2023-11-24 22:17:23,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1ca398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:23, skipping insertion in model container [2023-11-24 22:17:23,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:23" (1/1) ... [2023-11-24 22:17:23,908 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:17:24,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:24,086 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:17:24,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:24,121 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:17:24,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:24 WrapperNode [2023-11-24 22:17:24,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:24,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:24,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:17:24,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:17:24,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:24" (1/1) ... [2023-11-24 22:17:24,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:24" (1/1) ... [2023-11-24 22:17:24,162 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2023-11-24 22:17:24,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:24,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:17:24,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:17:24,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:17:24,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:24" (1/1) ... [2023-11-24 22:17:24,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:24" (1/1) ... [2023-11-24 22:17:24,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:24" (1/1) ... [2023-11-24 22:17:24,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:24" (1/1) ... [2023-11-24 22:17:24,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:24" (1/1) ... [2023-11-24 22:17:24,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:24" (1/1) ... [2023-11-24 22:17:24,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:24" (1/1) ... [2023-11-24 22:17:24,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:24" (1/1) ... [2023-11-24 22:17:24,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:17:24,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:17:24,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:17:24,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:17:24,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:24" (1/1) ... [2023-11-24 22:17:24,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:24,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09939c7f-01b4-4209-b738-02639c7ed1ae/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:17:24,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09939c7f-01b4-4209-b738-02639c7ed1ae/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:17:24,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09939c7f-01b4-4209-b738-02639c7ed1ae/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:17:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:17:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:17:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:17:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:17:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:17:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:17:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:17:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:17:24,384 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:17:24,386 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:17:24,810 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:17:24,855 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:17:24,856 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:17:24,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:24 BoogieIcfgContainer [2023-11-24 22:17:24,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:17:24,859 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:17:24,859 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:17:24,877 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:17:24,877 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:24" (1/1) ... [2023-11-24 22:17:24,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:17:24,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:24,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2023-11-24 22:17:24,961 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-24 22:17:24,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:17:24,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:24,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:25,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:17:25,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:17:25,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:25,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 76 states and 80 transitions. [2023-11-24 22:17:25,645 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2023-11-24 22:17:25,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:17:25,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:25,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:25,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:17:25,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:25,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:17:25,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:25,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 75 states and 79 transitions. [2023-11-24 22:17:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2023-11-24 22:17:25,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:17:25,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:25,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:25,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:17:25,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:25,948 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 22:17:26,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 80 transitions. [2023-11-24 22:17:26,277 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2023-11-24 22:17:26,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:17:26,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:26,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:26,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:17:26,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:26,384 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 22:17:26,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:26,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 80 states and 83 transitions. [2023-11-24 22:17:26,581 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2023-11-24 22:17:26,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:26,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:26,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:26,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:17:26,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:26,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:17:27,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:27,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 84 states and 88 transitions. [2023-11-24 22:17:27,076 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2023-11-24 22:17:27,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:17:27,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:27,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:27,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:17:27,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:27,235 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 22:17:27,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:27,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 90 transitions. [2023-11-24 22:17:27,347 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2023-11-24 22:17:27,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:17:27,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:27,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:27,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:17:27,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:27,478 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 22:17:27,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:27,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 91 states and 99 transitions. [2023-11-24 22:17:27,946 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2023-11-24 22:17:27,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:17:27,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:27,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:27,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:17:27,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:28,094 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 22:17:28,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:28,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 98 states and 110 transitions. [2023-11-24 22:17:28,701 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2023-11-24 22:17:28,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:17:28,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:28,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:28,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:17:28,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:29,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:17:31,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:31,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 106 states and 123 transitions. [2023-11-24 22:17:31,127 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2023-11-24 22:17:31,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:17:31,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:31,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:31,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:17:31,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:31,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:17:35,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:35,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 115 states and 139 transitions. [2023-11-24 22:17:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 139 transitions. [2023-11-24 22:17:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:17:35,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:35,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:35,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:17:35,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:36,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:17:39,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:39,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 121 states and 147 transitions. [2023-11-24 22:17:39,037 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2023-11-24 22:17:39,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:17:39,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:39,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:39,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:17:39,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:39,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:17:41,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:41,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 132 states and 161 transitions. [2023-11-24 22:17:41,418 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 161 transitions. [2023-11-24 22:17:41,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:17:41,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:41,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:41,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:17:41,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:41,487 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 22:17:41,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:41,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 135 states and 166 transitions. [2023-11-24 22:17:41,548 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 166 transitions. [2023-11-24 22:17:41,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:17:41,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:41,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:41,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:17:41,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:41,686 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 22:17:44,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:44,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 149 states and 188 transitions. [2023-11-24 22:17:44,129 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 188 transitions. [2023-11-24 22:17:44,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:17:44,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:44,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:44,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:17:44,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:44,206 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 22:17:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:44,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 153 states and 195 transitions. [2023-11-24 22:17:44,838 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 195 transitions. [2023-11-24 22:17:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:17:44,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:44,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:44,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:17:44,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:44,958 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 22:17:48,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:48,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 168 states and 219 transitions. [2023-11-24 22:17:48,515 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 219 transitions. [2023-11-24 22:17:48,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:17:48,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:48,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:48,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:17:48,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:48,882 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 22:17:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:50,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 173 states and 228 transitions. [2023-11-24 22:17:50,724 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 228 transitions. [2023-11-24 22:17:50,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:17:50,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:50,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:50,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:17:50,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:50,783 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 22:17:51,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:51,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 176 states and 232 transitions. [2023-11-24 22:17:51,352 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 232 transitions. [2023-11-24 22:17:51,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:17:51,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:51,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:51,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:17:51,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:51,513 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 22:17:54,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:54,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 182 states and 242 transitions. [2023-11-24 22:17:54,048 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 242 transitions. [2023-11-24 22:17:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:17:54,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:54,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:54,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:17:54,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:54,117 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 22:17:55,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:55,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 186 states and 247 transitions. [2023-11-24 22:17:55,106 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 247 transitions. [2023-11-24 22:17:55,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:17:55,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:55,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:55,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:17:55,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:55,359 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 22:18:00,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:00,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 193 states and 258 transitions. [2023-11-24 22:18:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 258 transitions. [2023-11-24 22:18:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:18:00,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:00,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:00,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:18:00,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:00,769 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 22:18:04,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:04,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 200 states and 272 transitions. [2023-11-24 22:18:04,559 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 272 transitions. [2023-11-24 22:18:04,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:18:04,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:04,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:04,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:18:04,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:04,722 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 22:18:09,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:09,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 208 states and 285 transitions. [2023-11-24 22:18:09,906 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 285 transitions. [2023-11-24 22:18:09,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:18:09,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:09,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:09,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:18:09,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:10,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:18:13,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:13,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 216 states and 298 transitions. [2023-11-24 22:18:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 298 transitions. [2023-11-24 22:18:13,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:18:13,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:13,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:13,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:18:13,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:13,760 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.