./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.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_9624d6df-cce3-4343-b037-94261888aa1a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9624d6df-cce3-4343-b037-94261888aa1a/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_9624d6df-cce3-4343-b037-94261888aa1a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9624d6df-cce3-4343-b037-94261888aa1a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9624d6df-cce3-4343-b037-94261888aa1a/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_9624d6df-cce3-4343-b037-94261888aa1a/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 173419c809fa8cb7fa094fdfc7b5765802a9a2fdebfe9d0a53cd745fd0c573d2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:35,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:35,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9624d6df-cce3-4343-b037-94261888aa1a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:53:35,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:35,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:35,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:35,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:53:35,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:53:35,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:35,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:35,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:35,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:35,282 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:53:35,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:35,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:53:35,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:35,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:35,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:35,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:35,286 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:53:35,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:35,288 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:35,288 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:35,289 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:35,289 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:35,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:35,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:35,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:35,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:35,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:53:35,292 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:35,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:35,293 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:53:35,294 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_9624d6df-cce3-4343-b037-94261888aa1a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9624d6df-cce3-4343-b037-94261888aa1a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 173419c809fa8cb7fa094fdfc7b5765802a9a2fdebfe9d0a53cd745fd0c573d2 [2023-11-24 22:53:35,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:35,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:35,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:35,583 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:35,584 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:35,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9624d6df-cce3-4343-b037-94261888aa1a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c [2023-11-24 22:53:38,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:39,110 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:39,111 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9624d6df-cce3-4343-b037-94261888aa1a/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c [2023-11-24 22:53:39,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9624d6df-cce3-4343-b037-94261888aa1a/bin/ukojak-verify-afCqCEvfdi/data/8b5990d56/c29b9baf99134b25b1586112f503ed3d/FLAG0f3ad6411 [2023-11-24 22:53:39,135 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9624d6df-cce3-4343-b037-94261888aa1a/bin/ukojak-verify-afCqCEvfdi/data/8b5990d56/c29b9baf99134b25b1586112f503ed3d [2023-11-24 22:53:39,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:39,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:39,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:39,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:39,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:39,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:39" (1/1) ... [2023-11-24 22:53:39,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0971b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:39, skipping insertion in model container [2023-11-24 22:53:39,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:39" (1/1) ... [2023-11-24 22:53:39,181 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:39,350 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_9624d6df-cce3-4343-b037-94261888aa1a/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c[588,601] [2023-11-24 22:53:39,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:39,383 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:39,394 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_9624d6df-cce3-4343-b037-94261888aa1a/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c[588,601] [2023-11-24 22:53:39,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:39,421 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:39,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:39 WrapperNode [2023-11-24 22:53:39,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:39,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:39,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:39,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:39,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:39" (1/1) ... [2023-11-24 22:53:39,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:39" (1/1) ... [2023-11-24 22:53:39,459 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2023-11-24 22:53:39,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:39,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:39,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:39,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:39,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:39" (1/1) ... [2023-11-24 22:53:39,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:39" (1/1) ... [2023-11-24 22:53:39,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:39" (1/1) ... [2023-11-24 22:53:39,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:39" (1/1) ... [2023-11-24 22:53:39,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:39" (1/1) ... [2023-11-24 22:53:39,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:39" (1/1) ... [2023-11-24 22:53:39,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:39" (1/1) ... [2023-11-24 22:53:39,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:39" (1/1) ... [2023-11-24 22:53:39,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:39,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:39,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:39,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:39,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:39" (1/1) ... [2023-11-24 22:53:39,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:39,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9624d6df-cce3-4343-b037-94261888aa1a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:39,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9624d6df-cce3-4343-b037-94261888aa1a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:39,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9624d6df-cce3-4343-b037-94261888aa1a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:53:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:39,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:53:39,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:53:39,627 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:39,630 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:39,840 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:39,865 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:39,865 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:53:39,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:39 BoogieIcfgContainer [2023-11-24 22:53:39,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:39,868 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:39,868 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:39,879 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:39,879 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:39" (1/1) ... [2023-11-24 22:53:39,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:39,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2023-11-24 22:53:39,942 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2023-11-24 22:53:39,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:53:39,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:39,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:40,139 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 22:53:40,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:40,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2023-11-24 22:53:40,174 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2023-11-24 22:53:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:53:40,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:40,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:40,289 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 22:53:40,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:40,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-24 22:53:40,333 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-24 22:53:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:53:40,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:40,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:40,657 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 22:53:40,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:40,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 53 transitions. [2023-11-24 22:53:40,950 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2023-11-24 22:53:40,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:53:40,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:40,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:40,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:53:40,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:41,220 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 22:53:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:41,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-11-24 22:53:41,987 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-24 22:53:41,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:53:41,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:41,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:42,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:53:42,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:42,155 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:53:42,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:42,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 71 transitions. [2023-11-24 22:53:42,987 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2023-11-24 22:53:42,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:53:42,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:42,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:43,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:53:43,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:43,166 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:43,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 73 transitions. [2023-11-24 22:53:43,466 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2023-11-24 22:53:43,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:53:43,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:43,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:43,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:53:43,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:53:43,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:43,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 41 states and 75 transitions. [2023-11-24 22:53:43,722 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2023-11-24 22:53:43,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:53:43,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:43,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:43,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:53:43,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:43,798 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:53:44,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:44,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 79 transitions. [2023-11-24 22:53:44,100 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2023-11-24 22:53:44,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:53:44,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:44,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:44,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:53:44,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 22:53:46,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:46,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 55 states and 129 transitions. [2023-11-24 22:53:46,091 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 129 transitions. [2023-11-24 22:53:46,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:53:46,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:46,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:46,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:53:46,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:46,370 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 22:53:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:47,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 58 states and 134 transitions. [2023-11-24 22:53:47,168 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 134 transitions. [2023-11-24 22:53:47,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:53:47,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:47,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:47,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:53:47,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:47,370 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:53:48,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:48,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 60 states and 144 transitions. [2023-11-24 22:53:48,008 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 144 transitions. [2023-11-24 22:53:48,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:53:48,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:48,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:48,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:53:48,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:48,245 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 11 proven. 20 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:53:49,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:49,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 64 states and 156 transitions. [2023-11-24 22:53:49,672 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 156 transitions. [2023-11-24 22:53:49,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:53:49,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:49,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:49,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:53:49,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 11 proven. 20 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:53:50,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:50,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 64 states and 155 transitions. [2023-11-24 22:53:50,405 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 155 transitions. [2023-11-24 22:53:50,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:53:50,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:50,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:50,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:53:50,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:50,520 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 22:53:51,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:51,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 67 states and 171 transitions. [2023-11-24 22:53:51,071 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 171 transitions. [2023-11-24 22:53:51,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:53:51,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:51,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:51,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:53:51,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:51,317 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 13 proven. 24 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 22:53:52,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:52,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 70 states and 185 transitions. [2023-11-24 22:53:52,607 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 185 transitions. [2023-11-24 22:53:52,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:53:52,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:52,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:52,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:53:52,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 13 proven. 24 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 22:53:53,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:53,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 70 states and 184 transitions. [2023-11-24 22:53:53,391 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 184 transitions. [2023-11-24 22:53:53,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:53:53,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:53,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:53,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:53:53,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 15 proven. 22 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:53:53,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:53,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 72 states and 192 transitions. [2023-11-24 22:53:53,783 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 192 transitions. [2023-11-24 22:53:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:53:53,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:53,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:53,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:53:53,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:54,085 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 15 proven. 28 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:53:54,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:54,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 73 states and 196 transitions. [2023-11-24 22:53:54,881 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 196 transitions. [2023-11-24 22:53:54,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:53:54,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:54,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:54,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:53:54,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:55,226 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 29 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 22:53:55,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:55,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 74 states and 198 transitions. [2023-11-24 22:53:55,447 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 198 transitions. [2023-11-24 22:53:55,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:53:55,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:55,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:55,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:53:55,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:55,653 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 17 proven. 32 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 22:53:56,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 75 states and 204 transitions. [2023-11-24 22:53:56,549 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 204 transitions. [2023-11-24 22:53:56,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:53:56,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:56,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:56,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:53:56,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:57,313 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-24 22:53:59,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:59,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 77 states and 210 transitions. [2023-11-24 22:53:59,202 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 210 transitions. [2023-11-24 22:53:59,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:53:59,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:59,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:59,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:53:59,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:59,288 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-24 22:53:59,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:59,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 77 states and 208 transitions. [2023-11-24 22:53:59,671 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 208 transitions. [2023-11-24 22:53:59,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:53:59,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:59,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:59,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:53:59,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:59,904 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-24 22:54:01,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:01,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 80 states and 213 transitions. [2023-11-24 22:54:01,032 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2023-11-24 22:54:01,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:54:01,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:01,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:01,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:54:01,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:01,334 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-24 22:54:04,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:04,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 92 states and 302 transitions. [2023-11-24 22:54:04,269 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 302 transitions. [2023-11-24 22:54:04,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:54:04,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:04,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:04,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:54:04,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-24 22:54:05,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:05,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 95 states and 306 transitions. [2023-11-24 22:54:05,445 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 306 transitions. [2023-11-24 22:54:05,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:54:05,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:05,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:05,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:54:05,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:05,619 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-24 22:54:06,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:06,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 95 states and 305 transitions. [2023-11-24 22:54:06,033 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 305 transitions. [2023-11-24 22:54:06,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:54:06,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:06,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:06,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 22:54:06,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 22:54:11,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:11,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 113 states and 367 transitions. [2023-11-24 22:54:11,776 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 367 transitions. [2023-11-24 22:54:11,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:54:11,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:11,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:11,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:54:11,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:12,246 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 22:54:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:13,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 114 states and 369 transitions. [2023-11-24 22:54:13,792 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 369 transitions. [2023-11-24 22:54:13,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:54:13,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:13,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:13,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 22:54:13,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:14,159 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 22:54:15,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:15,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 116 states and 370 transitions. [2023-11-24 22:54:15,128 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 370 transitions. [2023-11-24 22:54:15,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:54:15,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:15,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:15,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:54:15,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:15,877 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 21 proven. 47 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 22:54:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:18,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 120 states and 388 transitions. [2023-11-24 22:54:18,812 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 388 transitions. [2023-11-24 22:54:18,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:54:18,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:18,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:18,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:54:18,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:19,486 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 21 proven. 47 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 22:54:20,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:20,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 122 states and 390 transitions. [2023-11-24 22:54:20,339 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 390 transitions. [2023-11-24 22:54:20,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:54:20,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:20,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:20,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:54:20,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:21,039 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 21 proven. 47 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 22:54:22,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:22,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 124 states and 392 transitions. [2023-11-24 22:54:22,364 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 392 transitions. [2023-11-24 22:54:22,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 22:54:22,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:22,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:22,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:54:22,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:22,895 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 23 proven. 42 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 22:54:24,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:24,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 127 states and 415 transitions. [2023-11-24 22:54:24,612 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 415 transitions. [2023-11-24 22:54:24,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 22:54:24,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:24,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:24,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:54:24,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 23 proven. 52 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 22:54:28,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 133 states and 441 transitions. [2023-11-24 22:54:28,201 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 441 transitions. [2023-11-24 22:54:28,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 22:54:28,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:28,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:28,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:54:28,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:28,428 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 23 proven. 52 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 22:54:29,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 135 states and 443 transitions. [2023-11-24 22:54:29,894 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 443 transitions. [2023-11-24 22:54:29,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 22:54:29,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:29,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:29,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:54:29,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:30,107 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 23 proven. 52 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked.