./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_init_var_plus_ind2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_7e6223e4-c8c8-474f-b494-a6adf25fda6a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6223e4-c8c8-474f-b494-a6adf25fda6a/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_7e6223e4-c8c8-474f-b494-a6adf25fda6a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6223e4-c8c8-474f-b494-a6adf25fda6a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/array-cav19/array_init_var_plus_ind2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6223e4-c8c8-474f-b494-a6adf25fda6a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6223e4-c8c8-474f-b494-a6adf25fda6a/bin/ukojak-verify-1t5iHCbJaC --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 61ee7f467544bc9f9ea1f0d9fd399b9972cb81a4a1640bca414247c42e8cc99d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:28:12,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:28:12,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6223e4-c8c8-474f-b494-a6adf25fda6a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-23 20:28:12,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:28:12,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:28:12,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:28:12,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:28:12,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:28:12,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:28:12,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:28:12,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:28:12,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:28:12,875 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:28:12,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:28:12,877 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:28:12,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:28:12,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:28:12,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:28:12,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:28:12,880 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:28:12,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:28:12,881 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:28:12,882 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:28:12,882 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:28:12,883 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:28:12,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:28:12,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:12,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:28:12,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:28:12,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:28:12,886 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:28:12,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:28:12,888 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:28:12,888 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_7e6223e4-c8c8-474f-b494-a6adf25fda6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6223e4-c8c8-474f-b494-a6adf25fda6a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61ee7f467544bc9f9ea1f0d9fd399b9972cb81a4a1640bca414247c42e8cc99d [2023-11-23 20:28:13,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:28:13,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:28:13,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:28:13,273 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:28:13,274 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:28:13,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6223e4-c8c8-474f-b494-a6adf25fda6a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/array-cav19/array_init_var_plus_ind2.c [2023-11-23 20:28:16,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:28:16,524 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:28:16,525 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6223e4-c8c8-474f-b494-a6adf25fda6a/sv-benchmarks/c/array-cav19/array_init_var_plus_ind2.c [2023-11-23 20:28:16,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6223e4-c8c8-474f-b494-a6adf25fda6a/bin/ukojak-verify-1t5iHCbJaC/data/a34e9d9d9/d5362e55e08b4360843046c3365690dd/FLAGbfe45a406 [2023-11-23 20:28:16,550 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6223e4-c8c8-474f-b494-a6adf25fda6a/bin/ukojak-verify-1t5iHCbJaC/data/a34e9d9d9/d5362e55e08b4360843046c3365690dd [2023-11-23 20:28:16,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:28:16,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:28:16,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:16,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:28:16,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:28:16,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:16" (1/1) ... [2023-11-23 20:28:16,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7317f596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:16, skipping insertion in model container [2023-11-23 20:28:16,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:16" (1/1) ... [2023-11-23 20:28:16,594 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:28:16,756 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_7e6223e4-c8c8-474f-b494-a6adf25fda6a/sv-benchmarks/c/array-cav19/array_init_var_plus_ind2.c[415,428] [2023-11-23 20:28:16,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:16,781 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:28:16,793 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_7e6223e4-c8c8-474f-b494-a6adf25fda6a/sv-benchmarks/c/array-cav19/array_init_var_plus_ind2.c[415,428] [2023-11-23 20:28:16,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:16,816 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:28:16,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:16 WrapperNode [2023-11-23 20:28:16,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:16,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:16,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:28:16,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:28:16,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:16" (1/1) ... [2023-11-23 20:28:16,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:16" (1/1) ... [2023-11-23 20:28:16,855 INFO L138 Inliner]: procedures = 15, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2023-11-23 20:28:16,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:16,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:28:16,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:28:16,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:28:16,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:16" (1/1) ... [2023-11-23 20:28:16,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:16" (1/1) ... [2023-11-23 20:28:16,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:16" (1/1) ... [2023-11-23 20:28:16,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:16" (1/1) ... [2023-11-23 20:28:16,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:16" (1/1) ... [2023-11-23 20:28:16,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:16" (1/1) ... [2023-11-23 20:28:16,877 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:16" (1/1) ... [2023-11-23 20:28:16,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:16" (1/1) ... [2023-11-23 20:28:16,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:28:16,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:28:16,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:28:16,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:28:16,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:16" (1/1) ... [2023-11-23 20:28:16,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:16,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6223e4-c8c8-474f-b494-a6adf25fda6a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:28:16,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6223e4-c8c8-474f-b494-a6adf25fda6a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:28:16,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6223e4-c8c8-474f-b494-a6adf25fda6a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:28:16,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:28:16,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:28:16,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:28:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:28:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:28:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:28:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:28:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:28:17,077 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:28:17,079 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:28:17,228 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:28:17,270 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:28:17,270 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:28:17,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:17 BoogieIcfgContainer [2023-11-23 20:28:17,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:28:17,273 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:28:17,274 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:28:17,284 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:28:17,285 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:17" (1/1) ... [2023-11-23 20:28:17,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:28:17,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:17,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-23 20:28:17,354 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-23 20:28:17,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:28:17,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:17,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:17,645 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 20:28:17,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:17,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2023-11-23 20:28:17,694 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2023-11-23 20:28:17,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:28:17,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:17,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:17,872 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 20:28:17,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:17,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2023-11-23 20:28:17,978 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2023-11-23 20:28:17,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:28:17,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:17,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:18,202 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 20:28:18,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:18,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2023-11-23 20:28:18,377 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2023-11-23 20:28:18,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:28:18,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:18,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:18,463 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 20:28:18,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:18,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2023-11-23 20:28:18,492 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2023-11-23 20:28:18,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:28:18,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:18,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:18,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:19,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2023-11-23 20:28:19,174 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2023-11-23 20:28:19,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:28:19,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:19,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:19,663 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 20:28:20,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:20,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2023-11-23 20:28:20,721 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2023-11-23 20:28:20,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:28:20,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:20,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:21,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:21,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2023-11-23 20:28:21,097 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2023-11-23 20:28:21,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:28:21,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:21,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:21,604 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2023-11-23 20:28:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2023-11-23 20:28:22,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:28:22,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:22,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:22,659 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:23,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2023-11-23 20:28:23,137 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2023-11-23 20:28:23,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:28:23,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:23,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:24,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:24,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2023-11-23 20:28:24,836 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2023-11-23 20:28:24,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:28:24,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:24,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:25,450 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:26,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:26,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2023-11-23 20:28:26,706 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2023-11-23 20:28:26,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:28:26,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:26,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:27,438 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:30,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:30,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 93 transitions. [2023-11-23 20:28:30,515 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 93 transitions. [2023-11-23 20:28:30,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:28:30,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:30,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:30,699 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:31,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:31,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 49 states and 100 transitions. [2023-11-23 20:28:31,495 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 100 transitions. [2023-11-23 20:28:31,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:28:31,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:31,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:32,366 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:34,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:34,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 51 states and 105 transitions. [2023-11-23 20:28:34,387 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 105 transitions. [2023-11-23 20:28:34,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:28:34,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:34,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:35,420 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:38,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 117 transitions. [2023-11-23 20:28:38,251 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 117 transitions. [2023-11-23 20:28:38,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:28:38,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:38,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:39,265 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:42,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:42,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 63 states and 140 transitions. [2023-11-23 20:28:42,928 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 140 transitions. [2023-11-23 20:28:42,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:28:42,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:42,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:43,169 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:44,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:44,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 65 states and 148 transitions. [2023-11-23 20:28:44,099 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 148 transitions. [2023-11-23 20:28:44,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:28:44,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:44,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:49,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:49,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 71 states and 171 transitions. [2023-11-23 20:28:49,650 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 171 transitions. [2023-11-23 20:28:49,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:28:49,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:49,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:51,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:51,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 73 states and 180 transitions. [2023-11-23 20:28:51,233 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 180 transitions. [2023-11-23 20:28:51,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:28:51,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:51,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:52,693 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:55,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 75 states and 188 transitions. [2023-11-23 20:28:55,235 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 188 transitions. [2023-11-23 20:28:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:28:55,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:55,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:56,755 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:01,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:01,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 80 states and 202 transitions. [2023-11-23 20:29:01,087 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 202 transitions. [2023-11-23 20:29:01,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:29:01,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:01,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:01,708 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:04,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:04,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 83 states and 206 transitions. [2023-11-23 20:29:04,314 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 206 transitions. [2023-11-23 20:29:04,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:29:04,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:04,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:04,584 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.