./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eab48b-5be1-4c6e-9ca1-a168fca87377/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eab48b-5be1-4c6e-9ca1-a168fca87377/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_73eab48b-5be1-4c6e-9ca1-a168fca87377/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eab48b-5be1-4c6e-9ca1-a168fca87377/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eab48b-5be1-4c6e-9ca1-a168fca87377/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eab48b-5be1-4c6e-9ca1-a168fca87377/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d0e3bce6f4731d98bf8e5301c405fc62948194b21f76143536933e108212a93 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:46,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:46,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eab48b-5be1-4c6e-9ca1-a168fca87377/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:54:46,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:46,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:46,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:46,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:46,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:46,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:46,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:46,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:46,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:46,905 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:46,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:46,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:46,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:46,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:46,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:46,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:46,911 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:46,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:46,912 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:46,913 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:46,914 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:46,914 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:46,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:46,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:46,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:46,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:46,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:46,919 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:46,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:46,931 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:46,931 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_73eab48b-5be1-4c6e-9ca1-a168fca87377/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eab48b-5be1-4c6e-9ca1-a168fca87377/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d0e3bce6f4731d98bf8e5301c405fc62948194b21f76143536933e108212a93 [2023-11-24 22:54:47,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:47,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:47,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:47,296 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:47,297 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:47,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eab48b-5be1-4c6e-9ca1-a168fca87377/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound5.i [2023-11-24 22:54:51,255 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:51,568 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:51,569 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eab48b-5be1-4c6e-9ca1-a168fca87377/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound5.i [2023-11-24 22:54:51,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eab48b-5be1-4c6e-9ca1-a168fca87377/bin/ukojak-verify-afCqCEvfdi/data/ac3f8d977/2f20e83cdf51439bb2e72ecd1077f0ec/FLAG10fa31762 [2023-11-24 22:54:51,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eab48b-5be1-4c6e-9ca1-a168fca87377/bin/ukojak-verify-afCqCEvfdi/data/ac3f8d977/2f20e83cdf51439bb2e72ecd1077f0ec [2023-11-24 22:54:51,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:51,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:51,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:51,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:51,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:51,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:51" (1/1) ... [2023-11-24 22:54:51,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8a213a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:51, skipping insertion in model container [2023-11-24 22:54:51,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:51" (1/1) ... [2023-11-24 22:54:51,667 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:51,924 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eab48b-5be1-4c6e-9ca1-a168fca87377/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound5.i[950,963] [2023-11-24 22:54:51,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:51,983 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:52,000 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eab48b-5be1-4c6e-9ca1-a168fca87377/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound5.i[950,963] [2023-11-24 22:54:52,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:52,028 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:52,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52 WrapperNode [2023-11-24 22:54:52,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:52,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:52,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:52,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:52,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,069 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-11-24 22:54:52,070 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:52,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:52,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:52,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:52,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:52,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:52,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:52,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:52,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:52,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eab48b-5be1-4c6e-9ca1-a168fca87377/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:52,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eab48b-5be1-4c6e-9ca1-a168fca87377/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:52,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eab48b-5be1-4c6e-9ca1-a168fca87377/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:52,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:52,216 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:54:52,217 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:54:52,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:52,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:52,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:54:52,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:54:52,326 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:52,329 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:52,550 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:52,610 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:52,611 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:54:52,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:52 BoogieIcfgContainer [2023-11-24 22:54:52,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:52,615 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:52,615 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:52,629 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:52,629 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:52,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:52,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-24 22:54:52,718 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-24 22:54:52,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:54:52,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:52,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:53,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:54:53,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:53,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:53,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:53,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-24 22:54:53,134 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-24 22:54:53,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:54:53,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:53,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:53,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:54:53,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:53,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:53,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2023-11-24 22:54:53,371 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-24 22:54:53,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:54:53,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:53,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:53,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:54:53,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:55,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:55,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 49 transitions. [2023-11-24 22:54:55,174 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2023-11-24 22:54:55,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:54:55,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:55,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:55,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:54:55,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:55,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:56,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:56,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 56 transitions. [2023-11-24 22:54:56,541 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2023-11-24 22:54:56,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:54:56,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:56,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:56,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:54:56,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:56,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:56,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:56,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 61 transitions. [2023-11-24 22:54:56,990 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2023-11-24 22:54:56,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:54:56,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:56,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:57,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:54:57,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:57,588 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:59,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:59,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 78 transitions. [2023-11-24 22:54:59,555 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2023-11-24 22:54:59,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:54:59,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:59,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:59,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:54:59,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:59,780 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:01,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:01,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 86 transitions. [2023-11-24 22:55:01,308 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2023-11-24 22:55:01,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:55:01,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:01,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:01,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:55:01,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:01,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:55:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:02,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 51 states and 93 transitions. [2023-11-24 22:55:02,645 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2023-11-24 22:55:02,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:55:02,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:02,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:02,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:55:02,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:04,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 54 states and 100 transitions. [2023-11-24 22:55:04,183 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2023-11-24 22:55:04,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:55:04,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:04,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:04,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:55:04,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:04,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:05,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:05,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 58 states and 107 transitions. [2023-11-24 22:55:05,686 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2023-11-24 22:55:05,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:55:05,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:05,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:05,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:55:05,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:05,842 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:06,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:06,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 60 states and 115 transitions. [2023-11-24 22:55:06,330 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2023-11-24 22:55:06,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:55:06,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:06,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:06,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:55:06,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:06,714 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:55:09,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:09,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 66 states and 132 transitions. [2023-11-24 22:55:09,438 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 132 transitions. [2023-11-24 22:55:09,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:55:09,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:09,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:09,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:55:09,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:14,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:14,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 73 states and 157 transitions. [2023-11-24 22:55:14,459 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 157 transitions. [2023-11-24 22:55:14,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:55:14,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:14,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:14,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:55:14,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:14,790 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:16,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:16,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 76 states and 174 transitions. [2023-11-24 22:55:16,357 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 174 transitions. [2023-11-24 22:55:16,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:55:16,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:16,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:16,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:55:16,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:16,447 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:16,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:16,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 77 states and 178 transitions. [2023-11-24 22:55:16,934 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 178 transitions. [2023-11-24 22:55:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:55:16,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:16,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:16,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:55:16,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:17,005 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:17,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:17,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 78 states and 181 transitions. [2023-11-24 22:55:17,508 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 181 transitions. [2023-11-24 22:55:17,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:55:17,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:17,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:17,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:55:17,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:55:20,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 83 states and 194 transitions. [2023-11-24 22:55:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 194 transitions. [2023-11-24 22:55:20,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:55:20,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:20,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:20,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:55:20,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:23,489 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.