./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_2a30c514-0c37-4ee6-8c05-88360a39b405/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a30c514-0c37-4ee6-8c05-88360a39b405/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a30c514-0c37-4ee6-8c05-88360a39b405/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a30c514-0c37-4ee6-8c05-88360a39b405/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a30c514-0c37-4ee6-8c05-88360a39b405/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a30c514-0c37-4ee6-8c05-88360a39b405/bin/ukojak-verify-G8NBE6pJGL --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 d6a7b66d62d8261743d542694624b328b551f76289ee08b3039b7ca01c3c317e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:47:34,030 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:34,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a30c514-0c37-4ee6-8c05-88360a39b405/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:47:34,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:47:34,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:47:34,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:34,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:47:34,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:47:34,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:34,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:34,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:34,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:47:34,141 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:47:34,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:47:34,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:47:34,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:34,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:47:34,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:34,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:47:34,146 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:47:34,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:47:34,147 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:34,148 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:34,148 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:34,149 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:34,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:34,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:34,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:34,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:34,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:47:34,153 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:47:34,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:47:34,154 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:47:34,155 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_2a30c514-0c37-4ee6-8c05-88360a39b405/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a30c514-0c37-4ee6-8c05-88360a39b405/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6a7b66d62d8261743d542694624b328b551f76289ee08b3039b7ca01c3c317e [2023-11-19 02:47:34,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:34,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:34,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:34,434 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:34,435 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:34,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a30c514-0c37-4ee6-8c05-88360a39b405/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c [2023-11-19 02:47:37,587 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:37,837 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:37,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a30c514-0c37-4ee6-8c05-88360a39b405/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c [2023-11-19 02:47:37,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a30c514-0c37-4ee6-8c05-88360a39b405/bin/ukojak-verify-G8NBE6pJGL/data/7f85dbc86/a0d6c8fa58b440018807bdcaec09f7f0/FLAGc6bcacf75 [2023-11-19 02:47:37,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a30c514-0c37-4ee6-8c05-88360a39b405/bin/ukojak-verify-G8NBE6pJGL/data/7f85dbc86/a0d6c8fa58b440018807bdcaec09f7f0 [2023-11-19 02:47:37,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:37,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:37,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:37,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:37,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:37,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:37" (1/1) ... [2023-11-19 02:47:37,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73cbeaa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:37, skipping insertion in model container [2023-11-19 02:47:37,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:37" (1/1) ... [2023-11-19 02:47:37,912 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:38,069 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_2a30c514-0c37-4ee6-8c05-88360a39b405/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c[524,537] [2023-11-19 02:47:38,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:38,101 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:38,114 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_2a30c514-0c37-4ee6-8c05-88360a39b405/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c[524,537] [2023-11-19 02:47:38,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:38,161 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:38,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:38 WrapperNode [2023-11-19 02:47:38,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:38,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:38,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:38,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:38,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:38" (1/1) ... [2023-11-19 02:47:38,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:38" (1/1) ... [2023-11-19 02:47:38,200 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-11-19 02:47:38,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:38,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:38,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:38,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:38,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:38" (1/1) ... [2023-11-19 02:47:38,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:38" (1/1) ... [2023-11-19 02:47:38,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:38" (1/1) ... [2023-11-19 02:47:38,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:38" (1/1) ... [2023-11-19 02:47:38,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:38" (1/1) ... [2023-11-19 02:47:38,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:38" (1/1) ... [2023-11-19 02:47:38,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:38" (1/1) ... [2023-11-19 02:47:38,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:38" (1/1) ... [2023-11-19 02:47:38,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:47:38,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:47:38,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:47:38,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:47:38,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:38" (1/1) ... [2023-11-19 02:47:38,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:38,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a30c514-0c37-4ee6-8c05-88360a39b405/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:47:38,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a30c514-0c37-4ee6-8c05-88360a39b405/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:47:38,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a30c514-0c37-4ee6-8c05-88360a39b405/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:47:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:47:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:47:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:47:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:47:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:47:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:47:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:47:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:47:38,375 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:47:38,378 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:47:38,557 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:47:38,659 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:47:38,660 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:47:38,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:38 BoogieIcfgContainer [2023-11-19 02:47:38,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:47:38,668 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:47:38,668 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:47:38,680 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:47:38,681 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:38" (1/1) ... [2023-11-19 02:47:38,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:47:38,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:38,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-19 02:47:38,752 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-19 02:47:38,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:47:38,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:38,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:38,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:47:38,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:39,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:47:39,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:39,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2023-11-19 02:47:39,350 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2023-11-19 02:47:39,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:47:39,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:39,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:39,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:47:39,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:39,941 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:47:40,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:40,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2023-11-19 02:47:40,723 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2023-11-19 02:47:40,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:47:40,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:40,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:40,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:47:40,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:47:42,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:42,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 35 states and 63 transitions. [2023-11-19 02:47:42,886 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2023-11-19 02:47:42,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:47:42,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:42,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:42,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:47:42,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:54,650 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:48:17,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:17,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 40 states and 76 transitions. [2023-11-19 02:48:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 76 transitions. [2023-11-19 02:48:17,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:48:17,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:17,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:17,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:48:17,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:48:19,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:19,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 42 states and 85 transitions. [2023-11-19 02:48:19,205 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 85 transitions. [2023-11-19 02:48:19,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:48:19,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:19,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:19,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:48:19,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:21,209 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.