./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.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_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/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_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/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_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/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 946e199240c0e980bd422384e40e4d2247ef6b3560471b18ba5a354c3628dba9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:12,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:12,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:02:12,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:12,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:12,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:12,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:12,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:12,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:12,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:12,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:12,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:12,527 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:12,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:12,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:12,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:12,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:12,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:12,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:12,530 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:12,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:12,533 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:12,534 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:12,535 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:12,535 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:12,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:12,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:12,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:12,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:12,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:12,540 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:12,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:12,541 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:12,541 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_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946e199240c0e980bd422384e40e4d2247ef6b3560471b18ba5a354c3628dba9 [2023-11-24 23:02:12,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:12,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:12,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:12,950 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:12,950 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:12,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c [2023-11-24 23:02:16,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:16,326 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:16,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c [2023-11-24 23:02:16,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/bin/ukojak-verify-afCqCEvfdi/data/4b521fe2e/a262be527526433e8dc1dec8e716199b/FLAGb6e4dd51a [2023-11-24 23:02:16,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/bin/ukojak-verify-afCqCEvfdi/data/4b521fe2e/a262be527526433e8dc1dec8e716199b [2023-11-24 23:02:16,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:16,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:16,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:16,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:16,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:16,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@391fb5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16, skipping insertion in model container [2023-11-24 23:02:16,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,405 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:16,609 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_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c[458,471] [2023-11-24 23:02:16,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:16,663 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:16,675 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_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c[458,471] [2023-11-24 23:02:16,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:16,699 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:16,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16 WrapperNode [2023-11-24 23:02:16,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:16,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:16,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:16,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:16,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,740 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2023-11-24 23:02:16,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:16,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:16,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:16,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:16,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:16,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:16,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:16,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:16,767 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:16,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:16,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:16,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf62cdd-a801-4f61-aefc-e9affc9b38d0/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:16,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:02:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:02:16,961 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:16,964 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:17,126 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:17,172 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:17,172 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:02:17,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:17 BoogieIcfgContainer [2023-11-24 23:02:17,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:17,175 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:17,175 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:17,185 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:17,186 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:17" (1/1) ... [2023-11-24 23:02:17,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:17,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:17,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-24 23:02:17,258 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-24 23:02:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:02:17,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:17,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:17,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:02:17,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:17,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:17,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:17,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-24 23:02:17,537 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-24 23:02:17,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:02:17,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:17,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:17,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:02:17,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:17,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-24 23:02:17,749 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-24 23:02:17,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:02:17,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:17,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:17,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:02:17,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:17,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:18,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:18,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-24 23:02:18,349 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-24 23:02:18,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:02:18,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:18,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:18,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:02:18,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:18,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:19,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:19,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-11-24 23:02:19,095 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-11-24 23:02:19,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:19,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:19,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:19,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:02:19,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:20,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:20,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-11-24 23:02:20,445 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-24 23:02:20,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:20,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:20,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:20,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:02:20,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:21,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2023-11-24 23:02:21,383 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2023-11-24 23:02:21,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:21,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:21,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:21,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:02:21,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:21,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:21,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:21,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2023-11-24 23:02:21,873 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2023-11-24 23:02:21,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:02:21,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:21,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:21,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:02:21,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:21,970 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:02:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2023-11-24 23:02:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2023-11-24 23:02:22,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:02:22,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:22,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:22,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:02:22,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:22,448 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:02:23,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:23,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 95 transitions. [2023-11-24 23:02:23,571 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 95 transitions. [2023-11-24 23:02:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:02:23,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:23,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:23,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:02:23,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:25,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 54 states and 128 transitions. [2023-11-24 23:02:25,470 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 128 transitions. [2023-11-24 23:02:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:02:25,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:25,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:25,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:02:25,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:25,614 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:02:26,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 129 transitions. [2023-11-24 23:02:26,186 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 129 transitions. [2023-11-24 23:02:26,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:02:26,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:26,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:26,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:02:26,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:26,296 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:02:27,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:27,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 59 states and 132 transitions. [2023-11-24 23:02:27,255 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 132 transitions. [2023-11-24 23:02:27,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:02:27,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:27,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:27,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:02:27,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:27,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:27,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 59 states and 131 transitions. [2023-11-24 23:02:27,601 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 131 transitions. [2023-11-24 23:02:27,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:02:27,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:27,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:27,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 23:02:27,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:28,005 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:30,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:30,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 69 states and 172 transitions. [2023-11-24 23:02:30,675 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 172 transitions. [2023-11-24 23:02:30,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:02:30,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:30,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:30,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 23:02:30,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:30,768 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:31,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 72 states and 176 transitions. [2023-11-24 23:02:31,768 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 176 transitions. [2023-11-24 23:02:31,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:02:31,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:31,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:31,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:02:31,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:33,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 76 states and 189 transitions. [2023-11-24 23:02:33,442 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 189 transitions. [2023-11-24 23:02:33,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:02:33,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:33,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:33,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:02:33,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:33,640 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:34,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 79 states and 193 transitions. [2023-11-24 23:02:34,857 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 193 transitions. [2023-11-24 23:02:34,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:02:34,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:34,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:34,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:02:34,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:37,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 87 states and 238 transitions. [2023-11-24 23:02:37,685 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 238 transitions. [2023-11-24 23:02:37,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:02:37,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:37,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:37,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:02:37,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:37,879 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:38,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 89 states and 239 transitions. [2023-11-24 23:02:38,811 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 239 transitions. [2023-11-24 23:02:38,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:02:38,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:38,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:38,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:02:38,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:38,909 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:39,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 89 states and 238 transitions. [2023-11-24 23:02:39,408 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 238 transitions. [2023-11-24 23:02:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:02:39,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:39,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:39,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:02:39,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:39,628 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:02:40,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:40,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 92 states and 241 transitions. [2023-11-24 23:02:40,935 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 241 transitions. [2023-11-24 23:02:40,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:02:40,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:40,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:40,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:02:40,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:41,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:41,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 92 states and 240 transitions. [2023-11-24 23:02:41,405 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 240 transitions. [2023-11-24 23:02:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:02:41,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:41,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:41,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:02:41,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:41,948 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:02:46,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:46,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 102 states and 290 transitions. [2023-11-24 23:02:46,851 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 290 transitions. [2023-11-24 23:02:46,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:02:46,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:46,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:46,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:02:46,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:02:49,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:49,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 107 states and 295 transitions. [2023-11-24 23:02:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 295 transitions. [2023-11-24 23:02:49,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:02:49,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:49,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:49,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:02:49,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:49,149 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:02:49,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:49,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 108 states and 297 transitions. [2023-11-24 23:02:49,605 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 297 transitions. [2023-11-24 23:02:49,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:02:49,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:49,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:49,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:02:49,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:49,716 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:02:50,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 111 states and 300 transitions. [2023-11-24 23:02:50,761 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 300 transitions. [2023-11-24 23:02:50,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:02:50,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:50,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:52,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:02:52,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:52,924 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:02:55,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:55,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 115 states and 317 transitions. [2023-11-24 23:02:55,376 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 317 transitions. [2023-11-24 23:02:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:02:55,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:55,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:56,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:02:56,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:56,671 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:02:57,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:57,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 117 states and 318 transitions. [2023-11-24 23:02:57,785 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 318 transitions. [2023-11-24 23:02:57,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:02:57,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:57,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:58,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:02:58,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:03:00,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:00,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 120 states and 321 transitions. [2023-11-24 23:03:00,542 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 321 transitions. [2023-11-24 23:03:00,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:03:00,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:00,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:02,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:03:02,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:03:04,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:04,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 123 states and 324 transitions. [2023-11-24 23:03:04,054 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 324 transitions. [2023-11-24 23:03:04,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:03:04,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:04,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:04,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:03:04,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:04,456 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:08,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:08,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 131 states and 381 transitions. [2023-11-24 23:03:08,503 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 381 transitions. [2023-11-24 23:03:08,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:03:08,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:08,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:09,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:03:09,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:09,912 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:03:11,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:11,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 134 states and 384 transitions. [2023-11-24 23:03:11,693 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 384 transitions. [2023-11-24 23:03:11,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:03:11,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:11,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:11,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:03:11,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:11,776 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.