./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_3017aee9-31bd-47bc-861d-32e260242b42/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3017aee9-31bd-47bc-861d-32e260242b42/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_3017aee9-31bd-47bc-861d-32e260242b42/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3017aee9-31bd-47bc-861d-32e260242b42/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3017aee9-31bd-47bc-861d-32e260242b42/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_3017aee9-31bd-47bc-861d-32e260242b42/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 cf96ccf42beeb32dd4ada276d6687a251a0093c06fe1150e921bbfebb3df0607 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:42,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:42,268 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3017aee9-31bd-47bc-861d-32e260242b42/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:12:42,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:42,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:42,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:42,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:42,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:42,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:42,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:42,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:42,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:42,331 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:42,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:42,334 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:42,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:42,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:42,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:42,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:42,336 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:12:42,336 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:12:42,337 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:42,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:42,339 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:42,340 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:42,340 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:42,341 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:42,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:42,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:42,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:42,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:42,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:42,344 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:42,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:42,345 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:42,345 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_3017aee9-31bd-47bc-861d-32e260242b42/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3017aee9-31bd-47bc-861d-32e260242b42/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf96ccf42beeb32dd4ada276d6687a251a0093c06fe1150e921bbfebb3df0607 [2023-11-24 22:12:42,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:42,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:42,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:42,728 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:42,729 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:42,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3017aee9-31bd-47bc-861d-32e260242b42/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c [2023-11-24 22:12:46,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:46,210 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:46,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3017aee9-31bd-47bc-861d-32e260242b42/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c [2023-11-24 22:12:46,219 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3017aee9-31bd-47bc-861d-32e260242b42/bin/ukojak-verify-afCqCEvfdi/data/f69711ee7/69f54f71fd454d3fadd5f51444c17f75/FLAGa78652a25 [2023-11-24 22:12:46,234 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3017aee9-31bd-47bc-861d-32e260242b42/bin/ukojak-verify-afCqCEvfdi/data/f69711ee7/69f54f71fd454d3fadd5f51444c17f75 [2023-11-24 22:12:46,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:46,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:46,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:46,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:46,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:46,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187ced79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46, skipping insertion in model container [2023-11-24 22:12:46,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,270 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:46,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:46,468 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:46,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:46,509 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:46,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46 WrapperNode [2023-11-24 22:12:46,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:46,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:46,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:46,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:46,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,556 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-11-24 22:12:46,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:46,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:46,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:46,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:46,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:46,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:46,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:46,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:46,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:46,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3017aee9-31bd-47bc-861d-32e260242b42/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:46,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3017aee9-31bd-47bc-861d-32e260242b42/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:46,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3017aee9-31bd-47bc-861d-32e260242b42/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:12:46,665 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:12:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:12:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:46,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:46,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:12:46,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:12:46,737 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:46,740 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:47,344 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:47,395 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:47,396 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:12:47,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:47 BoogieIcfgContainer [2023-11-24 22:12:47,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:47,401 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:47,402 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:47,415 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:47,416 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:47" (1/1) ... [2023-11-24 22:12:47,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:47,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:47,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 161 states and 174 transitions. [2023-11-24 22:12:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2023-11-24 22:12:47,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:12:47,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:47,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:47,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 22:12:47,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:47,785 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 22:12:47,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:47,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 160 states and 173 transitions. [2023-11-24 22:12:47,945 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2023-11-24 22:12:47,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:12:47,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:47,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:48,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:12:48,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:48,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:12:48,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:48,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 159 states and 172 transitions. [2023-11-24 22:12:48,477 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-24 22:12:48,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:12:48,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:48,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:48,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:12:48,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:48,540 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 22:12:48,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:48,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 158 states and 171 transitions. [2023-11-24 22:12:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2023-11-24 22:12:48,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:12:48,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:48,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:48,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:12:48,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:48,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:12:48,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:48,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 157 states and 170 transitions. [2023-11-24 22:12:48,759 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2023-11-24 22:12:48,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:12:48,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:48,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:48,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:12:48,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:48,904 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:12:49,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:49,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 159 states and 172 transitions. [2023-11-24 22:12:49,888 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-24 22:12:49,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:12:49,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:49,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:49,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:12:49,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:12:51,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:51,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 176 transitions. [2023-11-24 22:12:51,404 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2023-11-24 22:12:51,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:12:51,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:51,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:51,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:12:51,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:51,486 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:12:51,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:51,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 163 states and 177 transitions. [2023-11-24 22:12:51,535 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2023-11-24 22:12:51,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:12:51,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:51,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:51,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:12:51,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:51,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:12:52,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:52,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 168 states and 185 transitions. [2023-11-24 22:12:52,946 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 185 transitions. [2023-11-24 22:12:52,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:12:52,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:52,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:52,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:12:52,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:53,173 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:12:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:53,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 171 states and 190 transitions. [2023-11-24 22:12:53,887 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 190 transitions. [2023-11-24 22:12:53,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:12:53,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:53,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:53,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:12:53,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:54,072 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:12:54,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:54,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 175 states and 197 transitions. [2023-11-24 22:12:54,844 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 197 transitions. [2023-11-24 22:12:54,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:12:54,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:54,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:54,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:12:54,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:55,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:12:55,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 180 states and 206 transitions. [2023-11-24 22:12:55,853 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 206 transitions. [2023-11-24 22:12:55,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:12:55,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:55,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:55,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:12:55,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:56,018 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:12:57,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:57,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 186 states and 217 transitions. [2023-11-24 22:12:57,234 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 217 transitions. [2023-11-24 22:12:57,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:12:57,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:57,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:57,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:12:57,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:12:57,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:57,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 187 states and 217 transitions. [2023-11-24 22:12:57,507 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 217 transitions. [2023-11-24 22:12:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:12:57,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:57,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:57,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:12:57,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:57,925 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:13:02,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:02,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 199 states and 236 transitions. [2023-11-24 22:13:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 236 transitions. [2023-11-24 22:13:02,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:13:02,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:02,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:02,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 22:13:02,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:02,861 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:13:08,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:08,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 212 states and 256 transitions. [2023-11-24 22:13:08,368 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 256 transitions. [2023-11-24 22:13:08,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:13:08,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:08,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:08,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:13:08,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:08,675 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:13:14,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:15,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 227 states and 280 transitions. [2023-11-24 22:13:15,001 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 280 transitions. [2023-11-24 22:13:15,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:13:15,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:15,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:15,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:13:15,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:15,339 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:13:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:22,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 243 states and 306 transitions. [2023-11-24 22:13:22,812 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 306 transitions. [2023-11-24 22:13:22,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:13:22,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:22,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:22,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:13:22,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:23,100 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:13:31,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:31,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 260 states and 334 transitions. [2023-11-24 22:13:31,976 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 334 transitions. [2023-11-24 22:13:31,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:13:31,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:31,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:32,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:13:32,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:13:32,286 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.