./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/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_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/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_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/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 111e613944cc7c4f40e73d8912198083d9e385bb8d4d44cecdc5062eedc235a0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:33,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:33,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:11:33,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:11:33,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:11:33,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:33,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:33,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:33,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:33,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:33,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:33,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:33,227 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:11:33,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:11:33,228 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:11:33,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:33,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:33,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:33,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:33,231 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:11:33,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:33,238 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:33,239 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:33,239 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:33,243 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:33,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:33,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:33,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:33,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:33,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:33,247 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:11:33,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:11:33,248 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:33,248 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_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 111e613944cc7c4f40e73d8912198083d9e385bb8d4d44cecdc5062eedc235a0 [2023-11-24 23:11:33,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:33,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:33,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:33,640 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:33,641 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:33,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c [2023-11-24 23:11:36,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:37,063 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:37,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c [2023-11-24 23:11:37,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/bin/ukojak-verify-afCqCEvfdi/data/4ccc9ed59/bfc79c3deae943a898a0879c8bfdf5fc/FLAGb1a30775a [2023-11-24 23:11:37,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/bin/ukojak-verify-afCqCEvfdi/data/4ccc9ed59/bfc79c3deae943a898a0879c8bfdf5fc [2023-11-24 23:11:37,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:37,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:37,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:37,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:37,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:37,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:37" (1/1) ... [2023-11-24 23:11:37,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31287935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:37, skipping insertion in model container [2023-11-24 23:11:37,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:37" (1/1) ... [2023-11-24 23:11:37,145 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:37,361 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_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c[454,467] [2023-11-24 23:11:37,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:37,394 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:37,411 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_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c[454,467] [2023-11-24 23:11:37,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:37,437 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:37,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:37 WrapperNode [2023-11-24 23:11:37,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:37,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:37,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:37,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:37,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:37" (1/1) ... [2023-11-24 23:11:37,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:37" (1/1) ... [2023-11-24 23:11:37,477 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2023-11-24 23:11:37,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:37,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:37,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:37,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:37,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:37" (1/1) ... [2023-11-24 23:11:37,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:37" (1/1) ... [2023-11-24 23:11:37,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:37" (1/1) ... [2023-11-24 23:11:37,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:37" (1/1) ... [2023-11-24 23:11:37,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:37" (1/1) ... [2023-11-24 23:11:37,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:37" (1/1) ... [2023-11-24 23:11:37,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:37" (1/1) ... [2023-11-24 23:11:37,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:37" (1/1) ... [2023-11-24 23:11:37,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:37,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:37,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:37,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:37,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:37" (1/1) ... [2023-11-24 23:11:37,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:37,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:37,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:37,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce5ff9cd-25bd-47c3-8cfc-bb7ee9f3642d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:11:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:37,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:11:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:11:37,675 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:37,677 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:37,878 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:37,919 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:37,924 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:11:37,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:37 BoogieIcfgContainer [2023-11-24 23:11:37,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:37,927 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:37,927 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:37,938 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:37,939 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:37" (1/1) ... [2023-11-24 23:11:37,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:38,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:38,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-24 23:11:38,031 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-24 23:11:38,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:11:38,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:38,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:38,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:11:38,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:38,341 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 23:11:38,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-24 23:11:38,371 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-24 23:11:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:11:38,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:38,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:38,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:11:38,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:38,553 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 23:11:38,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:38,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-24 23:11:38,598 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-24 23:11:38,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:11:38,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:38,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:38,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:11:38,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:38,719 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 23:11:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-24 23:11:38,992 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-24 23:11:38,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:11:38,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:38,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:39,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:11:39,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:39,142 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 23:11:39,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:39,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-24 23:11:39,444 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-24 23:11:39,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:11:39,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:39,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:39,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:11:39,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:39,622 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 23:11:40,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2023-11-24 23:11:40,275 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2023-11-24 23:11:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:11:40,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:40,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:40,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:11:40,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:40,386 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 23:11:41,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:41,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2023-11-24 23:11:41,464 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2023-11-24 23:11:41,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:11:41,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:41,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:41,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:11:41,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:41,555 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 23:11:41,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:41,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2023-11-24 23:11:41,945 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2023-11-24 23:11:41,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:11:41,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:41,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:41,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:11:41,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:42,112 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 23:11:43,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:43,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2023-11-24 23:11:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2023-11-24 23:11:43,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:11:43,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:43,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:43,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:11:43,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:43,351 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 23:11:44,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:44,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 51 states and 108 transitions. [2023-11-24 23:11:44,831 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 108 transitions. [2023-11-24 23:11:44,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:11:44,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:44,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:44,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:11:44,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:44,977 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 23:11:45,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:45,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 53 states and 109 transitions. [2023-11-24 23:11:45,527 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 109 transitions. [2023-11-24 23:11:45,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:11:45,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:45,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:45,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:11:45,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:45,663 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 23:11:46,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:46,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 55 states and 110 transitions. [2023-11-24 23:11:46,257 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 110 transitions. [2023-11-24 23:11:46,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:11:46,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:46,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:46,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:11:46,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:46,329 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 23:11:46,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 55 states and 109 transitions. [2023-11-24 23:11:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 109 transitions. [2023-11-24 23:11:46,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:11:46,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:46,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:46,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:11:46,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:46,773 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 23:11:47,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:47,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 125 transitions. [2023-11-24 23:11:47,864 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 125 transitions. [2023-11-24 23:11:47,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:11:47,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:47,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:47,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:11:47,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:48,023 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 23:11:48,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:48,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 126 transitions. [2023-11-24 23:11:48,674 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2023-11-24 23:11:48,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:11:48,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:48,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:48,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:11:48,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:48,927 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 23:11:50,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:50,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 69 states and 160 transitions. [2023-11-24 23:11:50,969 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 160 transitions. [2023-11-24 23:11:50,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:11:50,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:50,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:51,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:11:51,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:51,096 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 23:11:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:51,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 71 states and 161 transitions. [2023-11-24 23:11:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 161 transitions. [2023-11-24 23:11:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:11:51,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:51,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:51,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:11:51,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:51,886 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 23:11:52,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:52,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 73 states and 162 transitions. [2023-11-24 23:11:52,615 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 162 transitions. [2023-11-24 23:11:52,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:11:52,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:52,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:52,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:11:52,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:52,746 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 23:11:53,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:53,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 73 states and 161 transitions. [2023-11-24 23:11:53,037 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 161 transitions. [2023-11-24 23:11:53,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:11:53,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:53,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:53,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:11:53,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:53,112 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 23:11:53,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:53,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 73 states and 160 transitions. [2023-11-24 23:11:53,424 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 160 transitions. [2023-11-24 23:11:53,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:11:53,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:53,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:53,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:11:53,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:53,686 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 23:11:55,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:55,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 77 states and 180 transitions. [2023-11-24 23:11:55,250 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 180 transitions. [2023-11-24 23:11:55,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:11:55,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:55,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:55,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:11:55,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:55,557 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 23:11:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:57,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 85 states and 220 transitions. [2023-11-24 23:11:57,759 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 220 transitions. [2023-11-24 23:11:57,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:11:57,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:57,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:57,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:11:57,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:57,901 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 23:11:58,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:58,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 87 states and 221 transitions. [2023-11-24 23:11:58,721 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 221 transitions. [2023-11-24 23:11:58,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:11:58,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:58,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:58,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:11:58,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:58,822 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 23:11:59,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:59,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 87 states and 220 transitions. [2023-11-24 23:11:59,208 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 220 transitions. [2023-11-24 23:11:59,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:11:59,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:59,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:59,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:11:59,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:59,341 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 23:12:00,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:00,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 89 states and 221 transitions. [2023-11-24 23:12:00,305 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 221 transitions. [2023-11-24 23:12:00,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:12:00,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:00,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:00,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:12:00,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:00,453 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 23:12:01,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:01,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 91 states and 222 transitions. [2023-11-24 23:12:01,296 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 222 transitions. [2023-11-24 23:12:01,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:12:01,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:01,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:01,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:12:01,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:01,414 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 23:12:01,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:01,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 91 states and 221 transitions. [2023-11-24 23:12:01,817 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 221 transitions. [2023-11-24 23:12:01,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:12:01,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:01,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:01,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:12:01,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:01,957 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 23:12:02,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:02,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 93 states and 222 transitions. [2023-11-24 23:12:02,861 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 222 transitions. [2023-11-24 23:12:02,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:12:02,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:02,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:02,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:12:02,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:02,947 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 23:12:03,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:03,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 93 states and 221 transitions. [2023-11-24 23:12:03,308 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 221 transitions. [2023-11-24 23:12:03,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:12:03,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:03,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:03,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:12:03,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:03,589 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:12:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:05,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 97 states and 245 transitions. [2023-11-24 23:12:05,531 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 245 transitions. [2023-11-24 23:12:05,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:12:05,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:05,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:05,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:12:05,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:12:06,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:06,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 99 states and 246 transitions. [2023-11-24 23:12:06,757 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 246 transitions. [2023-11-24 23:12:06,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:12:06,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:06,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:06,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:12:06,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:06,910 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:12:08,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:08,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 101 states and 247 transitions. [2023-11-24 23:12:08,043 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 247 transitions. [2023-11-24 23:12:08,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:12:08,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:08,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:08,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:12:08,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:12:09,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:09,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 103 states and 248 transitions. [2023-11-24 23:12:09,336 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 248 transitions. [2023-11-24 23:12:09,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:12:09,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:09,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:09,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:12:09,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:09,721 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:11,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:11,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 107 states and 276 transitions. [2023-11-24 23:12:11,419 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 276 transitions. [2023-11-24 23:12:11,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:12:11,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:11,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:11,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:12:11,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:11,595 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:12:12,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:12,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 109 states and 277 transitions. [2023-11-24 23:12:12,510 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 277 transitions. [2023-11-24 23:12:12,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:12:12,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:12,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:12,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:12:12,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:12,649 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:12:13,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:13,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 111 states and 278 transitions. [2023-11-24 23:12:13,780 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 278 transitions. [2023-11-24 23:12:13,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:12:13,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:13,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:13,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:12:13,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:13,887 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 115 states and 295 transitions. [2023-11-24 23:12:15,963 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 295 transitions. [2023-11-24 23:12:15,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:12:15,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:15,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:16,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:12:16,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:16,104 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:16,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:16,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 115 states and 294 transitions. [2023-11-24 23:12:16,582 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 294 transitions. [2023-11-24 23:12:16,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:12:16,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:16,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:16,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:12:16,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:16,694 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:17,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:17,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 115 states and 293 transitions. [2023-11-24 23:12:17,178 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 293 transitions. [2023-11-24 23:12:17,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:12:17,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:17,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:17,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:12:17,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:17,304 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:17,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 115 states and 292 transitions. [2023-11-24 23:12:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 292 transitions. [2023-11-24 23:12:17,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:12:17,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:17,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:17,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:12:17,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 119 states and 323 transitions. [2023-11-24 23:12:21,392 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 323 transitions. [2023-11-24 23:12:21,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:12:21,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:21,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:21,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 23:12:21,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:21,756 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 23:12:24,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 123 states and 353 transitions. [2023-11-24 23:12:24,457 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 353 transitions. [2023-11-24 23:12:24,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:12:24,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:24,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:24,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 23:12:24,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:24,654 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 23:12:26,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:26,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 125 states and 354 transitions. [2023-11-24 23:12:26,036 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 354 transitions. [2023-11-24 23:12:26,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:12:26,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:26,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:26,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 23:12:26,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:26,218 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 11 proven. 94 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.