./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c --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_e16cdd34-4b25-451c-9aef-fad67a187fed/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cdd34-4b25-451c-9aef-fad67a187fed/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_e16cdd34-4b25-451c-9aef-fad67a187fed/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cdd34-4b25-451c-9aef-fad67a187fed/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cdd34-4b25-451c-9aef-fad67a187fed/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_e16cdd34-4b25-451c-9aef-fad67a187fed/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 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:21,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:21,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cdd34-4b25-451c-9aef-fad67a187fed/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:53:21,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:21,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:21,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:21,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:53:21,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:53:21,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:21,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:21,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:21,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:21,423 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:53:21,425 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:21,425 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:53:21,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:21,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:21,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:21,427 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:21,428 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:53:21,428 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:21,429 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:21,430 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:21,430 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:21,431 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:21,431 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:21,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:21,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:21,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:21,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:53:21,434 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:21,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:21,435 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:53:21,435 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_e16cdd34-4b25-451c-9aef-fad67a187fed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cdd34-4b25-451c-9aef-fad67a187fed/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2023-11-24 22:53:21,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:21,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:21,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:21,748 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:21,749 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:21,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cdd34-4b25-451c-9aef-fad67a187fed/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c [2023-11-24 22:53:24,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:25,191 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:25,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cdd34-4b25-451c-9aef-fad67a187fed/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c [2023-11-24 22:53:25,200 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cdd34-4b25-451c-9aef-fad67a187fed/bin/ukojak-verify-afCqCEvfdi/data/ef4237d9b/556da45cdf824385b94c60f52c3db22e/FLAG47e391f22 [2023-11-24 22:53:25,222 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cdd34-4b25-451c-9aef-fad67a187fed/bin/ukojak-verify-afCqCEvfdi/data/ef4237d9b/556da45cdf824385b94c60f52c3db22e [2023-11-24 22:53:25,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:25,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:25,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:25,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:25,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:25,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:25" (1/1) ... [2023-11-24 22:53:25,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53117407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:25, skipping insertion in model container [2023-11-24 22:53:25,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:25" (1/1) ... [2023-11-24 22:53:25,265 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:25,454 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_e16cdd34-4b25-451c-9aef-fad67a187fed/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c[573,586] [2023-11-24 22:53:25,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:25,477 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:25,491 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_e16cdd34-4b25-451c-9aef-fad67a187fed/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound10.c[573,586] [2023-11-24 22:53:25,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:25,512 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:25,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:25 WrapperNode [2023-11-24 22:53:25,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:25,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:25,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:25,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:25,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:25" (1/1) ... [2023-11-24 22:53:25,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:25" (1/1) ... [2023-11-24 22:53:25,543 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-11-24 22:53:25,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:25,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:25,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:25,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:25,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:25" (1/1) ... [2023-11-24 22:53:25,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:25" (1/1) ... [2023-11-24 22:53:25,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:25" (1/1) ... [2023-11-24 22:53:25,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:25" (1/1) ... [2023-11-24 22:53:25,560 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:25" (1/1) ... [2023-11-24 22:53:25,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:25" (1/1) ... [2023-11-24 22:53:25,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:25" (1/1) ... [2023-11-24 22:53:25,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:25" (1/1) ... [2023-11-24 22:53:25,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:25,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:25,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:25,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:25,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:25" (1/1) ... [2023-11-24 22:53:25,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:25,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cdd34-4b25-451c-9aef-fad67a187fed/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:25,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cdd34-4b25-451c-9aef-fad67a187fed/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:25,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e16cdd34-4b25-451c-9aef-fad67a187fed/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:53:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:53:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:53:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:53:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:53:25,708 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:25,711 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:25,836 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:25,894 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:25,902 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:53:25,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:25 BoogieIcfgContainer [2023-11-24 22:53:25,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:25,906 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:25,908 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:25,916 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:25,916 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:25" (1/1) ... [2023-11-24 22:53:25,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:25,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:25,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-24 22:53:25,985 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-24 22:53:25,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:53:25,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:25,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:26,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:53:26,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:26,279 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 22:53:26,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:26,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-11-24 22:53:26,307 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-24 22:53:26,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:53:26,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:26,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:26,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:53:26,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:26,766 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 22:53:27,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:27,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 28 transitions. [2023-11-24 22:53:27,063 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-24 22:53:27,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:53:27,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:27,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:27,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:53:27,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:53:27,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:27,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 37 transitions. [2023-11-24 22:53:27,739 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-24 22:53:27,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:53:27,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:27,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:27,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:53:27,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:28,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:53:28,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:28,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 44 transitions. [2023-11-24 22:53:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2023-11-24 22:53:28,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:53:28,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:28,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:28,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:53:28,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:53:30,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:30,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 50 transitions. [2023-11-24 22:53:30,098 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2023-11-24 22:53:30,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:53:30,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:30,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:30,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:53:30,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:31,041 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:53:32,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:32,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 58 transitions. [2023-11-24 22:53:32,242 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2023-11-24 22:53:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:53:32,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:32,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:32,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:53:32,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:32,771 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-24 22:53:34,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:34,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 64 transitions. [2023-11-24 22:53:34,940 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2023-11-24 22:53:34,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:53:34,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:34,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:35,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 22:53:35,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:36,876 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 17 proven. 27 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:53:41,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:41,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 49 states and 90 transitions. [2023-11-24 22:53:41,247 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 90 transitions. [2023-11-24 22:53:41,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:53:41,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:41,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:41,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:53:41,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:42,705 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 19 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 22:53:44,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:44,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 91 transitions. [2023-11-24 22:53:44,080 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 91 transitions. [2023-11-24 22:53:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:53:44,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:44,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:44,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 22:53:44,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:46,251 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 22:53:49,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:49,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 53 states and 98 transitions. [2023-11-24 22:53:49,435 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2023-11-24 22:53:49,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:53:49,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:49,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:49,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 22:53:49,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:51,240 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 22:53:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:53,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 54 states and 100 transitions. [2023-11-24 22:53:53,611 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2023-11-24 22:53:53,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:53:53,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:53,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:53,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:53:53,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:56,350 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-24 22:54:00,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:00,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 107 transitions. [2023-11-24 22:54:00,734 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 107 transitions. [2023-11-24 22:54:00,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:54:00,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:00,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:00,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 22:54:00,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:03,488 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 36 proven. 60 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-24 22:54:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:09,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 60 states and 116 transitions. [2023-11-24 22:54:09,827 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2023-11-24 22:54:09,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:54:09,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:09,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:09,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 22:54:09,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:13,272 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 43 proven. 79 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-24 22:54:19,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:19,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 63 states and 124 transitions. [2023-11-24 22:54:19,783 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 124 transitions. [2023-11-24 22:54:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:54:19,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:19,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:19,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:54:19,885 INFO L285 TraceCheckSpWp]: Computing forward predicates...