./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/mine2017-ex4.6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_346d358e-d771-4bf5-858b-64863e70e843/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346d358e-d771-4bf5-858b-64863e70e843/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_346d358e-d771-4bf5-858b-64863e70e843/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346d358e-d771-4bf5-858b-64863e70e843/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/mine2017-ex4.6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346d358e-d771-4bf5-858b-64863e70e843/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_346d358e-d771-4bf5-858b-64863e70e843/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 1fa7c9a8ed8874a508931184bf09b1ee30162cb6ccbf87de6b2ebe54845cfa76 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:39:39,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:39:39,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346d358e-d771-4bf5-858b-64863e70e843/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:39:39,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:39:39,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:39:39,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:39:39,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:39:39,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:39:39,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:39:39,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:39:39,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:39:39,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:39:39,213 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:39:39,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:39:39,216 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:39:39,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:39:39,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:39:39,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:39:39,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:39:39,218 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:39:39,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:39:39,219 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:39:39,219 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:39:39,220 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:39:39,220 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:39:39,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:39:39,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:39,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:39:39,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:39:39,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:39:39,224 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:39:39,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:39:39,225 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:39:39,225 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_346d358e-d771-4bf5-858b-64863e70e843/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346d358e-d771-4bf5-858b-64863e70e843/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fa7c9a8ed8874a508931184bf09b1ee30162cb6ccbf87de6b2ebe54845cfa76 [2023-11-19 03:39:39,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:39:39,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:39:39,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:39:39,534 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:39:39,535 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:39:39,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346d358e-d771-4bf5-858b-64863e70e843/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-lit/mine2017-ex4.6.i [2023-11-19 03:39:42,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:39:42,724 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:39:42,724 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346d358e-d771-4bf5-858b-64863e70e843/sv-benchmarks/c/loop-lit/mine2017-ex4.6.i [2023-11-19 03:39:42,732 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346d358e-d771-4bf5-858b-64863e70e843/bin/ukojak-verify-G8NBE6pJGL/data/4aa11290f/62b7b429e609414596c9dc0dea70430c/FLAG07d5aa6aa [2023-11-19 03:39:42,746 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346d358e-d771-4bf5-858b-64863e70e843/bin/ukojak-verify-G8NBE6pJGL/data/4aa11290f/62b7b429e609414596c9dc0dea70430c [2023-11-19 03:39:42,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:39:42,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:39:42,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:42,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:39:42,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:39:42,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:42" (1/1) ... [2023-11-19 03:39:42,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4f5b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:42, skipping insertion in model container [2023-11-19 03:39:42,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:42" (1/1) ... [2023-11-19 03:39:42,783 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:39:42,935 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_346d358e-d771-4bf5-858b-64863e70e843/sv-benchmarks/c/loop-lit/mine2017-ex4.6.i[812,825] [2023-11-19 03:39:42,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:42,953 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:39:42,963 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_346d358e-d771-4bf5-858b-64863e70e843/sv-benchmarks/c/loop-lit/mine2017-ex4.6.i[812,825] [2023-11-19 03:39:42,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:42,980 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:39:42,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:42 WrapperNode [2023-11-19 03:39:42,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:42,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:42,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:39:42,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:39:42,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:42" (1/1) ... [2023-11-19 03:39:42,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:42" (1/1) ... [2023-11-19 03:39:43,007 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-11-19 03:39:43,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:43,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:39:43,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:39:43,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:39:43,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:42" (1/1) ... [2023-11-19 03:39:43,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:42" (1/1) ... [2023-11-19 03:39:43,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:42" (1/1) ... [2023-11-19 03:39:43,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:42" (1/1) ... [2023-11-19 03:39:43,019 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:42" (1/1) ... [2023-11-19 03:39:43,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:42" (1/1) ... [2023-11-19 03:39:43,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:42" (1/1) ... [2023-11-19 03:39:43,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:42" (1/1) ... [2023-11-19 03:39:43,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:39:43,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:39:43,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:39:43,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:39:43,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:42" (1/1) ... [2023-11-19 03:39:43,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:43,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346d358e-d771-4bf5-858b-64863e70e843/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:39:43,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346d358e-d771-4bf5-858b-64863e70e843/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:39:43,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346d358e-d771-4bf5-858b-64863e70e843/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:39:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:39:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:39:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:39:43,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:39:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:39:43,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:39:43,158 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:39:43,160 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:39:43,247 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:39:43,268 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:39:43,268 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:39:43,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:43 BoogieIcfgContainer [2023-11-19 03:39:43,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:39:43,274 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:39:43,274 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:39:43,285 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:39:43,285 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:43" (1/1) ... [2023-11-19 03:39:43,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:39:43,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:43,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-19 03:39:43,342 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-19 03:39:43,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:39:43,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:43,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:43,686 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 03:39:43,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:43,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 22 transitions. [2023-11-19 03:39:43,821 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 03:39:43,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:39:43,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:43,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:43,871 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 03:39:43,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:43,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 24 transitions. [2023-11-19 03:39:43,963 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-19 03:39:43,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:39:43,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:43,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:44,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:39:44,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:44,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 29 transitions. [2023-11-19 03:39:44,274 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-11-19 03:39:44,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:39:44,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:44,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:44,342 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:39:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:44,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 30 transitions. [2023-11-19 03:39:44,406 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-19 03:39:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:39:44,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:44,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:44,575 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:39:44,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:44,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 26 transitions. [2023-11-19 03:39:44,630 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-19 03:39:44,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:39:44,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:44,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:39:44,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:44,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 31 transitions. [2023-11-19 03:39:44,824 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-11-19 03:39:44,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:39:44,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:44,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:44,910 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:39:44,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 30 transitions. [2023-11-19 03:39:44,955 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-19 03:39:44,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:39:44,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:44,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:45,116 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:39:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:45,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 36 transitions. [2023-11-19 03:39:45,212 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-11-19 03:39:45,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:39:45,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:45,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:45,358 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 14 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 03:39:45,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:45,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 42 transitions. [2023-11-19 03:39:45,457 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2023-11-19 03:39:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:39:45,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:45,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:45,609 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 18 proven. 40 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 03:39:45,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:45,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 48 transitions. [2023-11-19 03:39:45,718 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2023-11-19 03:39:45,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 03:39:45,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:45,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 22 proven. 60 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 03:39:46,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:46,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 54 transitions. [2023-11-19 03:39:46,008 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2023-11-19 03:39:46,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 03:39:46,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:46,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:46,184 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 26 proven. 84 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 03:39:46,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:46,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 60 transitions. [2023-11-19 03:39:46,318 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2023-11-19 03:39:46,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 03:39:46,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:46,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:46,603 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 30 proven. 112 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 03:39:46,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:46,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 66 transitions. [2023-11-19 03:39:46,731 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2023-11-19 03:39:46,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 03:39:46,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:46,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:46,993 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 34 proven. 144 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 03:39:47,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:47,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 52 states and 72 transitions. [2023-11-19 03:39:47,122 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2023-11-19 03:39:47,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-19 03:39:47,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:47,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 38 proven. 180 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 03:39:47,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:47,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 56 states and 78 transitions. [2023-11-19 03:39:47,598 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2023-11-19 03:39:47,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-19 03:39:47,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:47,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:47,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 42 proven. 220 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-19 03:39:48,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:48,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 84 transitions. [2023-11-19 03:39:48,112 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2023-11-19 03:39:48,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-19 03:39:48,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:48,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:48,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 46 proven. 264 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 03:39:48,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:48,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 64 states and 90 transitions. [2023-11-19 03:39:48,611 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2023-11-19 03:39:48,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-19 03:39:48,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:48,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:48,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 50 proven. 312 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 03:39:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:49,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 96 transitions. [2023-11-19 03:39:49,123 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2023-11-19 03:39:49,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 03:39:49,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:49,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:49,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1822 backedges. 54 proven. 364 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-19 03:39:49,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:49,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 102 transitions. [2023-11-19 03:39:49,789 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2023-11-19 03:39:49,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-19 03:39:49,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:49,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:50,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2102 backedges. 58 proven. 420 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-19 03:39:50,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:50,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 76 states and 108 transitions. [2023-11-19 03:39:50,429 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2023-11-19 03:39:50,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-19 03:39:50,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:50,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:50,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 62 proven. 480 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 03:39:51,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:51,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 80 states and 114 transitions. [2023-11-19 03:39:51,027 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2023-11-19 03:39:51,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-19 03:39:51,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:51,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:51,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2722 backedges. 66 proven. 544 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-19 03:39:51,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:51,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 84 states and 120 transitions. [2023-11-19 03:39:51,662 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2023-11-19 03:39:51,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-19 03:39:51,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:51,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:52,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3062 backedges. 70 proven. 612 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-11-19 03:39:52,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:52,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 88 states and 126 transitions. [2023-11-19 03:39:52,367 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 126 transitions. [2023-11-19 03:39:52,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-11-19 03:39:52,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:52,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:52,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 74 proven. 684 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2023-11-19 03:39:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:53,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 92 states and 132 transitions. [2023-11-19 03:39:53,148 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 132 transitions. [2023-11-19 03:39:53,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-19 03:39:53,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:53,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3802 backedges. 78 proven. 760 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2023-11-19 03:39:53,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:53,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 96 states and 138 transitions. [2023-11-19 03:39:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2023-11-19 03:39:53,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2023-11-19 03:39:53,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:53,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:54,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4202 backedges. 82 proven. 840 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2023-11-19 03:39:54,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:54,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 100 states and 144 transitions. [2023-11-19 03:39:54,741 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 144 transitions. [2023-11-19 03:39:54,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2023-11-19 03:39:54,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:54,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:55,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4622 backedges. 86 proven. 924 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2023-11-19 03:39:55,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:55,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 104 states and 150 transitions. [2023-11-19 03:39:55,706 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 150 transitions. [2023-11-19 03:39:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2023-11-19 03:39:55,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:55,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:56,352 INFO L134 CoverageAnalysis]: Checked inductivity of 5062 backedges. 90 proven. 1012 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2023-11-19 03:39:56,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:56,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 108 states and 156 transitions. [2023-11-19 03:39:56,589 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 156 transitions. [2023-11-19 03:39:56,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2023-11-19 03:39:56,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:56,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:57,285 INFO L134 CoverageAnalysis]: Checked inductivity of 5522 backedges. 94 proven. 1104 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2023-11-19 03:39:57,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:57,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 112 states and 162 transitions. [2023-11-19 03:39:57,583 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 162 transitions. [2023-11-19 03:39:57,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2023-11-19 03:39:57,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:57,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 6002 backedges. 98 proven. 1200 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2023-11-19 03:39:58,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:58,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 116 states and 168 transitions. [2023-11-19 03:39:58,631 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2023-11-19 03:39:58,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2023-11-19 03:39:58,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:58,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:39:59,457 INFO L134 CoverageAnalysis]: Checked inductivity of 6502 backedges. 102 proven. 1300 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2023-11-19 03:39:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:39:59,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 120 states and 174 transitions. [2023-11-19 03:39:59,715 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2023-11-19 03:39:59,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-11-19 03:39:59,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:39:59,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:39:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:00,545 INFO L134 CoverageAnalysis]: Checked inductivity of 7022 backedges. 106 proven. 1404 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2023-11-19 03:40:00,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:00,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 124 states and 180 transitions. [2023-11-19 03:40:00,831 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2023-11-19 03:40:00,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2023-11-19 03:40:00,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:00,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:01,728 INFO L134 CoverageAnalysis]: Checked inductivity of 7562 backedges. 110 proven. 1512 refuted. 0 times theorem prover too weak. 5940 trivial. 0 not checked. [2023-11-19 03:40:01,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:01,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 128 states and 186 transitions. [2023-11-19 03:40:01,989 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 186 transitions. [2023-11-19 03:40:01,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2023-11-19 03:40:01,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:01,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 8122 backedges. 114 proven. 1624 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2023-11-19 03:40:03,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:03,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 132 states and 192 transitions. [2023-11-19 03:40:03,155 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 192 transitions. [2023-11-19 03:40:03,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2023-11-19 03:40:03,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:03,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 8702 backedges. 118 proven. 1740 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2023-11-19 03:40:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:04,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 136 states and 198 transitions. [2023-11-19 03:40:04,417 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 198 transitions. [2023-11-19 03:40:04,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2023-11-19 03:40:04,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:04,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:05,212 INFO L134 CoverageAnalysis]: Checked inductivity of 9302 backedges. 122 proven. 1860 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2023-11-19 03:40:05,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:05,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 140 states and 204 transitions. [2023-11-19 03:40:05,489 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2023-11-19 03:40:05,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2023-11-19 03:40:05,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:05,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:06,393 INFO L134 CoverageAnalysis]: Checked inductivity of 9922 backedges. 126 proven. 1984 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2023-11-19 03:40:06,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:06,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 144 states and 210 transitions. [2023-11-19 03:40:06,679 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2023-11-19 03:40:06,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2023-11-19 03:40:06,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:06,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 10562 backedges. 130 proven. 2112 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked. [2023-11-19 03:40:07,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:07,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 148 states and 216 transitions. [2023-11-19 03:40:07,846 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 216 transitions. [2023-11-19 03:40:07,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2023-11-19 03:40:07,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:07,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:09,015 INFO L134 CoverageAnalysis]: Checked inductivity of 11222 backedges. 134 proven. 2244 refuted. 0 times theorem prover too weak. 8844 trivial. 0 not checked. [2023-11-19 03:40:09,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:09,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 152 states and 222 transitions. [2023-11-19 03:40:09,306 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 222 transitions. [2023-11-19 03:40:09,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2023-11-19 03:40:09,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:09,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:10,419 INFO L134 CoverageAnalysis]: Checked inductivity of 11902 backedges. 138 proven. 2380 refuted. 0 times theorem prover too weak. 9384 trivial. 0 not checked. [2023-11-19 03:40:10,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:10,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 156 states and 228 transitions. [2023-11-19 03:40:10,725 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 228 transitions. [2023-11-19 03:40:10,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2023-11-19 03:40:10,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:10,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:11,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12602 backedges. 142 proven. 2520 refuted. 0 times theorem prover too weak. 9940 trivial. 0 not checked. [2023-11-19 03:40:12,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:12,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 160 states and 234 transitions. [2023-11-19 03:40:12,026 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 234 transitions. [2023-11-19 03:40:12,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2023-11-19 03:40:12,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:12,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:13,062 INFO L134 CoverageAnalysis]: Checked inductivity of 13322 backedges. 146 proven. 2664 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2023-11-19 03:40:13,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:13,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 164 states and 240 transitions. [2023-11-19 03:40:13,358 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 240 transitions. [2023-11-19 03:40:13,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2023-11-19 03:40:13,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:13,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:14,463 INFO L134 CoverageAnalysis]: Checked inductivity of 14062 backedges. 150 proven. 2812 refuted. 0 times theorem prover too weak. 11100 trivial. 0 not checked. [2023-11-19 03:40:14,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:14,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 168 states and 246 transitions. [2023-11-19 03:40:14,772 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 246 transitions. [2023-11-19 03:40:14,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2023-11-19 03:40:14,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:14,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:15,933 INFO L134 CoverageAnalysis]: Checked inductivity of 14822 backedges. 154 proven. 2964 refuted. 0 times theorem prover too weak. 11704 trivial. 0 not checked. [2023-11-19 03:40:16,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:16,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 172 states and 252 transitions. [2023-11-19 03:40:16,247 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 252 transitions. [2023-11-19 03:40:16,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2023-11-19 03:40:16,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:16,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:17,476 INFO L134 CoverageAnalysis]: Checked inductivity of 15602 backedges. 158 proven. 3120 refuted. 0 times theorem prover too weak. 12324 trivial. 0 not checked. [2023-11-19 03:40:17,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:17,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 176 states and 256 transitions. [2023-11-19 03:40:17,725 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 256 transitions. [2023-11-19 03:40:17,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2023-11-19 03:40:17,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:17,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:20,379 INFO L134 CoverageAnalysis]: Checked inductivity of 16402 backedges. 282 proven. 3160 refuted. 0 times theorem prover too weak. 12960 trivial. 0 not checked. [2023-11-19 03:40:20,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:20,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 169 states and 248 transitions. [2023-11-19 03:40:20,599 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 248 transitions. [2023-11-19 03:40:20,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:40:20,600 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 47 iterations. [2023-11-19 03:40:20,610 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:40:20,635 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:40:20,639 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:40:20,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:40:20 ImpRootNode [2023-11-19 03:40:20,640 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:40:20,640 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:40:20,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:40:20,641 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:40:20,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:43" (3/4) ... [2023-11-19 03:40:20,644 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:40:20,647 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:40:20,651 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 03:40:20,651 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:40:20,651 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:40:20,652 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:40:20,734 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346d358e-d771-4bf5-858b-64863e70e843/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:40:20,735 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346d358e-d771-4bf5-858b-64863e70e843/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:40:20,735 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:40:20,736 INFO L158 Benchmark]: Toolchain (without parser) took 37985.90ms. Allocated memory was 134.2MB in the beginning and 1.1GB in the end (delta: 943.7MB). Free memory was 92.8MB in the beginning and 978.4MB in the end (delta: -885.7MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:20,736 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:20,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.41ms. Allocated memory is still 134.2MB. Free memory was 92.8MB in the beginning and 82.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:40:20,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.11ms. Allocated memory is still 134.2MB. Free memory was 82.6MB in the beginning and 81.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:20,738 INFO L158 Benchmark]: Boogie Preprocessor took 16.64ms. Allocated memory is still 134.2MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:20,738 INFO L158 Benchmark]: RCFGBuilder took 247.65ms. Allocated memory is still 134.2MB. Free memory was 80.2MB in the beginning and 70.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:40:20,739 INFO L158 Benchmark]: CodeCheck took 37366.00ms. Allocated memory was 134.2MB in the beginning and 1.1GB in the end (delta: 943.7MB). Free memory was 70.2MB in the beginning and 981.6MB in the end (delta: -911.3MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2023-11-19 03:40:20,739 INFO L158 Benchmark]: Witness Printer took 94.69ms. Allocated memory is still 1.1GB. Free memory was 981.6MB in the beginning and 978.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:20,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 37.3s, OverallIterations: 47, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3711 SdHoareTripleChecker+Valid, 28.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2600 mSDsluCounter, 669 SdHoareTripleChecker+Invalid, 22.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 182 mSDsCounter, 6929 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20434 IncrementalHoareTripleChecker+Invalid, 27363 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6929 mSolverCounterUnsat, 487 mSDtfsCounter, 20434 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41761 GetRequests, 38258 SyntacticMatches, 3333 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20849 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 26.5s InterpolantComputationTime, 10410 NumberOfCodeBlocks, 10410 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 10364 ConstructedInterpolants, 0 QuantifiedInterpolants, 18170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 46 InterpolantComputations, 5 PerfectInterpolantSequences, 183938/229739 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 13]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.41ms. Allocated memory is still 134.2MB. Free memory was 92.8MB in the beginning and 82.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.11ms. Allocated memory is still 134.2MB. Free memory was 82.6MB in the beginning and 81.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.64ms. Allocated memory is still 134.2MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 247.65ms. Allocated memory is still 134.2MB. Free memory was 80.2MB in the beginning and 70.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 37366.00ms. Allocated memory was 134.2MB in the beginning and 1.1GB in the end (delta: 943.7MB). Free memory was 70.2MB in the beginning and 981.6MB in the end (delta: -911.3MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * Witness Printer took 94.69ms. Allocated memory is still 1.1GB. Free memory was 981.6MB in the beginning and 978.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:40:20,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_346d358e-d771-4bf5-858b-64863e70e843/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE