./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_014454c3-8477-419d-ade0-9d440858b2e0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014454c3-8477-419d-ade0-9d440858b2e0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014454c3-8477-419d-ade0-9d440858b2e0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014454c3-8477-419d-ade0-9d440858b2e0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/brs1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014454c3-8477-419d-ade0-9d440858b2e0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014454c3-8477-419d-ade0-9d440858b2e0/bin/ukojak-verify-G8NBE6pJGL --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 1719c559f228c1029533750a96ea896ed07efcc9b139440443e471db2c10d1e7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:48:21,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:48:21,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014454c3-8477-419d-ade0-9d440858b2e0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:48:21,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:48:21,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:48:21,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:48:21,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:48:21,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:48:21,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:48:21,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:48:21,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:48:21,471 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:48:21,471 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:48:21,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:48:21,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:48:21,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:48:21,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:48:21,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:48:21,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:48:21,476 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:48:21,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:48:21,477 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:48:21,477 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:48:21,478 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:48:21,478 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:48:21,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:48:21,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:21,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:48:21,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:48:21,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:48:21,483 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:48:21,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:48:21,483 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:48:21,483 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_014454c3-8477-419d-ade0-9d440858b2e0/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014454c3-8477-419d-ade0-9d440858b2e0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1719c559f228c1029533750a96ea896ed07efcc9b139440443e471db2c10d1e7 [2023-11-19 02:48:21,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:48:21,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:48:21,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:48:21,882 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:48:21,882 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:48:21,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014454c3-8477-419d-ade0-9d440858b2e0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-fpi/brs1.c [2023-11-19 02:48:25,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:48:25,390 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:48:25,391 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014454c3-8477-419d-ade0-9d440858b2e0/sv-benchmarks/c/array-fpi/brs1.c [2023-11-19 02:48:25,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014454c3-8477-419d-ade0-9d440858b2e0/bin/ukojak-verify-G8NBE6pJGL/data/8e34290fc/cbbbe0c21e9b46e7817d5344016299ed/FLAG6e18ba967 [2023-11-19 02:48:25,411 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014454c3-8477-419d-ade0-9d440858b2e0/bin/ukojak-verify-G8NBE6pJGL/data/8e34290fc/cbbbe0c21e9b46e7817d5344016299ed [2023-11-19 02:48:25,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:48:25,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:48:25,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:25,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:48:25,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:48:25,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:25" (1/1) ... [2023-11-19 02:48:25,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1414eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:25, skipping insertion in model container [2023-11-19 02:48:25,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:25" (1/1) ... [2023-11-19 02:48:25,454 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:48:25,663 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_014454c3-8477-419d-ade0-9d440858b2e0/sv-benchmarks/c/array-fpi/brs1.c[587,600] [2023-11-19 02:48:25,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:25,688 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:48:25,700 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_014454c3-8477-419d-ade0-9d440858b2e0/sv-benchmarks/c/array-fpi/brs1.c[587,600] [2023-11-19 02:48:25,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:25,720 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:48:25,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:25 WrapperNode [2023-11-19 02:48:25,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:25,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:25,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:48:25,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:48:25,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:25" (1/1) ... [2023-11-19 02:48:25,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:25" (1/1) ... [2023-11-19 02:48:25,757 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-19 02:48:25,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:25,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:48:25,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:48:25,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:48:25,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:25" (1/1) ... [2023-11-19 02:48:25,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:25" (1/1) ... [2023-11-19 02:48:25,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:25" (1/1) ... [2023-11-19 02:48:25,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:25" (1/1) ... [2023-11-19 02:48:25,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:25" (1/1) ... [2023-11-19 02:48:25,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:25" (1/1) ... [2023-11-19 02:48:25,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:25" (1/1) ... [2023-11-19 02:48:25,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:25" (1/1) ... [2023-11-19 02:48:25,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:48:25,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:48:25,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:48:25,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:48:25,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:25" (1/1) ... [2023-11-19 02:48:25,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:25,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014454c3-8477-419d-ade0-9d440858b2e0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:48:25,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014454c3-8477-419d-ade0-9d440858b2e0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:48:25,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_014454c3-8477-419d-ade0-9d440858b2e0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:48:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:48:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:48:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:48:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:48:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:48:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:48:25,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:48:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:48:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:48:25,922 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:48:25,923 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:48:26,081 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:48:26,160 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:48:26,161 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:48:26,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:26 BoogieIcfgContainer [2023-11-19 02:48:26,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:48:26,171 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:48:26,172 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:48:26,183 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:48:26,183 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:26" (1/1) ... [2023-11-19 02:48:26,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:48:26,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:26,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-19 02:48:26,275 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-19 02:48:26,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:48:26,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:26,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:26,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:26,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2023-11-19 02:48:26,725 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2023-11-19 02:48:26,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:48:26,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:26,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:26,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:48:26,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:26,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-19 02:48:26,949 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-19 02:48:26,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:48:26,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:26,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:27,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:48:27,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:27,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2023-11-19 02:48:27,343 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2023-11-19 02:48:27,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:48:27,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:27,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:27,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:28,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:28,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2023-11-19 02:48:28,057 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2023-11-19 02:48:28,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:48:28,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:28,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:28,791 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:30,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:30,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2023-11-19 02:48:30,125 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2023-11-19 02:48:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:48:30,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:30,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:30,326 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:31,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:31,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 24 states and 48 transitions. [2023-11-19 02:48:31,415 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 48 transitions. [2023-11-19 02:48:31,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:48:31,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:31,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:32,757 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:34,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:34,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 27 states and 59 transitions. [2023-11-19 02:48:34,663 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 59 transitions. [2023-11-19 02:48:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:48:34,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:34,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:34,984 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:36,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 31 states and 68 transitions. [2023-11-19 02:48:36,601 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 68 transitions. [2023-11-19 02:48:36,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:48:36,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:36,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:41,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:41,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 35 states and 87 transitions. [2023-11-19 02:48:41,944 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 87 transitions. [2023-11-19 02:48:41,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:48:41,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:41,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:43,440 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:45,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 37 states and 98 transitions. [2023-11-19 02:48:45,024 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 98 transitions. [2023-11-19 02:48:45,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:48:45,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:45,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:47,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:47,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 41 states and 108 transitions. [2023-11-19 02:48:47,371 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 108 transitions. [2023-11-19 02:48:47,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:48:47,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:47,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:48,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:48,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 42 states and 110 transitions. [2023-11-19 02:48:48,042 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 110 transitions. [2023-11-19 02:48:48,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:48:48,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:48,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:50,626 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:55,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:55,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 46 states and 133 transitions. [2023-11-19 02:48:55,392 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 133 transitions. [2023-11-19 02:48:55,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:48:55,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:55,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:57,214 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:59,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:59,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 49 states and 146 transitions. [2023-11-19 02:48:59,964 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 146 transitions. [2023-11-19 02:48:59,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:48:59,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:59,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:01,759 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:03,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 50 states and 152 transitions. [2023-11-19 02:49:03,285 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 152 transitions. [2023-11-19 02:49:03,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:49:03,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:03,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:06,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:06,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 54 states and 162 transitions. [2023-11-19 02:49:06,601 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 162 transitions. [2023-11-19 02:49:06,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:49:06,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:06,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:06,726 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:07,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:07,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 55 states and 163 transitions. [2023-11-19 02:49:07,389 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 163 transitions. [2023-11-19 02:49:07,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:49:07,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:07,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:07,548 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:49:08,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:08,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 56 states and 164 transitions. [2023-11-19 02:49:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 164 transitions. [2023-11-19 02:49:08,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:49:08,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:49:08,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:12,022 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.