./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/sum_array-2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_cd357fcd-97c1-4c0a-8ca5-379a70a3f754/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd357fcd-97c1-4c0a-8ca5-379a70a3f754/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd357fcd-97c1-4c0a-8ca5-379a70a3f754/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd357fcd-97c1-4c0a-8ca5-379a70a3f754/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum_array-2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd357fcd-97c1-4c0a-8ca5-379a70a3f754/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd357fcd-97c1-4c0a-8ca5-379a70a3f754/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cf9175e436d0e00a51b884dabf87739d3176e3315a908e56fcba99730a10796 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:11:14,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:11:14,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd357fcd-97c1-4c0a-8ca5-379a70a3f754/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:11:14,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:11:14,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:11:14,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:11:14,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:11:14,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:11:14,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:11:14,311 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:11:14,312 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:11:14,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:11:14,313 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:11:14,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:11:14,315 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:11:14,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:11:14,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:11:14,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:11:14,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:11:14,319 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:11:14,320 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:11:14,321 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:11:14,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:11:14,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:11:14,323 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:11:14,323 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:11:14,324 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:11:14,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:11:14,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:14,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:11:14,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:11:14,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:11:14,328 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:11:14,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:11:14,329 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:11:14,330 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_cd357fcd-97c1-4c0a-8ca5-379a70a3f754/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd357fcd-97c1-4c0a-8ca5-379a70a3f754/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cf9175e436d0e00a51b884dabf87739d3176e3315a908e56fcba99730a10796 [2023-11-23 20:11:14,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:11:14,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:11:14,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:11:14,639 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:11:14,640 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:11:14,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd357fcd-97c1-4c0a-8ca5-379a70a3f754/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/loops/sum_array-2-2.i [2023-11-23 20:11:17,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:11:18,084 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:11:18,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd357fcd-97c1-4c0a-8ca5-379a70a3f754/sv-benchmarks/c/loops/sum_array-2-2.i [2023-11-23 20:11:18,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd357fcd-97c1-4c0a-8ca5-379a70a3f754/bin/ukojak-verify-1t5iHCbJaC/data/e7041586e/208e788603eb4d78acfb07329078ca0e/FLAGa27d6e10a [2023-11-23 20:11:18,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd357fcd-97c1-4c0a-8ca5-379a70a3f754/bin/ukojak-verify-1t5iHCbJaC/data/e7041586e/208e788603eb4d78acfb07329078ca0e [2023-11-23 20:11:18,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:11:18,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:11:18,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:18,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:11:18,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:11:18,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:18" (1/1) ... [2023-11-23 20:11:18,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e0e187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:18, skipping insertion in model container [2023-11-23 20:11:18,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:18" (1/1) ... [2023-11-23 20:11:18,155 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:11:18,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:18,354 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:11:18,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:18,398 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:11:18,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:18 WrapperNode [2023-11-23 20:11:18,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:18,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:18,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:11:18,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:11:18,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:18" (1/1) ... [2023-11-23 20:11:18,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:18" (1/1) ... [2023-11-23 20:11:18,460 INFO L138 Inliner]: procedures = 18, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 137 [2023-11-23 20:11:18,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:18,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:11:18,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:11:18,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:11:18,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:18" (1/1) ... [2023-11-23 20:11:18,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:18" (1/1) ... [2023-11-23 20:11:18,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:18" (1/1) ... [2023-11-23 20:11:18,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:18" (1/1) ... [2023-11-23 20:11:18,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:18" (1/1) ... [2023-11-23 20:11:18,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:18" (1/1) ... [2023-11-23 20:11:18,492 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:18" (1/1) ... [2023-11-23 20:11:18,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:18" (1/1) ... [2023-11-23 20:11:18,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:11:18,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:11:18,498 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:11:18,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:11:18,500 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:18" (1/1) ... [2023-11-23 20:11:18,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:18,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd357fcd-97c1-4c0a-8ca5-379a70a3f754/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:11:18,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd357fcd-97c1-4c0a-8ca5-379a70a3f754/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:11:18,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd357fcd-97c1-4c0a-8ca5-379a70a3f754/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:11:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:11:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:11:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:11:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:11:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:11:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:11:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:11:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:11:18,712 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:11:18,715 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:11:19,035 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:11:19,127 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:11:19,128 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 20:11:19,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:19 BoogieIcfgContainer [2023-11-23 20:11:19,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:11:19,131 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:11:19,132 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:11:19,141 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:11:19,142 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:19" (1/1) ... [2023-11-23 20:11:19,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:11:19,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:19,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-23 20:11:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-23 20:11:19,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:11:19,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:19,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:19,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:19,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:19,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2023-11-23 20:11:19,984 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2023-11-23 20:11:19,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:11:19,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:19,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:20,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:20,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2023-11-23 20:11:20,268 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2023-11-23 20:11:20,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:11:20,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:20,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:20,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:20,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2023-11-23 20:11:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2023-11-23 20:11:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:11:20,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:20,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:22,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:24,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:24,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2023-11-23 20:11:24,691 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2023-11-23 20:11:24,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:11:24,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:24,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:26,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:30,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:30,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 96 transitions. [2023-11-23 20:11:30,075 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 96 transitions. [2023-11-23 20:11:30,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:11:30,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:30,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:30,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:35,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:35,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 54 states and 120 transitions. [2023-11-23 20:11:35,287 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 120 transitions. [2023-11-23 20:11:35,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:11:35,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:35,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:36,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:11:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:39,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 59 states and 132 transitions. [2023-11-23 20:11:39,232 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 132 transitions. [2023-11-23 20:11:39,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:11:39,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:39,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:40,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:44,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:44,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 66 states and 156 transitions. [2023-11-23 20:11:44,058 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 156 transitions. [2023-11-23 20:11:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:11:44,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:44,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:46,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:56,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 80 states and 193 transitions. [2023-11-23 20:11:56,163 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 193 transitions. [2023-11-23 20:11:56,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:11:56,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:56,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:56,554 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:58,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:58,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 83 states and 199 transitions. [2023-11-23 20:11:58,580 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 199 transitions. [2023-11-23 20:11:58,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:11:58,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:58,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:58,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:00,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:00,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 85 states and 204 transitions. [2023-11-23 20:12:00,364 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 204 transitions. [2023-11-23 20:12:00,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:12:00,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:00,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:02,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.