./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728d76a3-e754-43d6-a750-68089ce3359d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728d76a3-e754-43d6-a750-68089ce3359d/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_728d76a3-e754-43d6-a750-68089ce3359d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728d76a3-e754-43d6-a750-68089ce3359d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728d76a3-e754-43d6-a750-68089ce3359d/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_728d76a3-e754-43d6-a750-68089ce3359d/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 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:40,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:40,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728d76a3-e754-43d6-a750-68089ce3359d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:58:40,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:58:40,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:58:40,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:40,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:40,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:40,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:40,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:40,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:40,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:40,746 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:58:40,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:58:40,749 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:58:40,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:40,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:40,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:40,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:40,751 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:58:40,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:40,752 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:40,752 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:40,755 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:40,755 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:40,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:40,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:40,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:40,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:40,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:40,759 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:58:40,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:58:40,760 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:40,760 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_728d76a3-e754-43d6-a750-68089ce3359d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728d76a3-e754-43d6-a750-68089ce3359d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 [2023-11-19 03:58:41,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:41,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:41,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:41,117 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:41,118 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:41,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728d76a3-e754-43d6-a750-68089ce3359d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2023-11-19 03:58:44,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:44,610 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:44,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728d76a3-e754-43d6-a750-68089ce3359d/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2023-11-19 03:58:44,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728d76a3-e754-43d6-a750-68089ce3359d/bin/ukojak-verify-G8NBE6pJGL/data/41af58f15/ef19c804ec68466ab032a8268a7c4472/FLAG069d6535f [2023-11-19 03:58:44,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728d76a3-e754-43d6-a750-68089ce3359d/bin/ukojak-verify-G8NBE6pJGL/data/41af58f15/ef19c804ec68466ab032a8268a7c4472 [2023-11-19 03:58:44,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:44,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:44,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:44,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:44,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:44,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d48924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44, skipping insertion in model container [2023-11-19 03:58:44,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,679 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:44,846 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_728d76a3-e754-43d6-a750-68089ce3359d/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i[838,851] [2023-11-19 03:58:44,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:44,883 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:44,897 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_728d76a3-e754-43d6-a750-68089ce3359d/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i[838,851] [2023-11-19 03:58:44,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:44,928 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:44,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44 WrapperNode [2023-11-19 03:58:44,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:44,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:44,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:44,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:44,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,975 INFO L138 Inliner]: procedures = 18, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 159 [2023-11-19 03:58:44,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:44,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:44,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:44,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:44,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:45,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:45,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:45,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:45,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:45,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:45,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:45,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:45,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:45,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:45,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:45,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728d76a3-e754-43d6-a750-68089ce3359d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:45,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728d76a3-e754-43d6-a750-68089ce3359d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:45,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728d76a3-e754-43d6-a750-68089ce3359d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:45,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:45,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:58:45,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:58:45,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:58:45,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:45,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:58:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:58:45,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:58:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:58:45,205 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:45,208 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:45,513 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:45,622 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:45,622 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-19 03:58:45,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:45 BoogieIcfgContainer [2023-11-19 03:58:45,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:45,633 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:45,633 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:45,651 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:45,651 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:45,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:45,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2023-11-19 03:58:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2023-11-19 03:58:45,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:58:45,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:45,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:45,936 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 03:58:46,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:46,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2023-11-19 03:58:46,002 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2023-11-19 03:58:46,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:58:46,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:46,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:46,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:46,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:46,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2023-11-19 03:58:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2023-11-19 03:58:46,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:58:46,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:46,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:46,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:58:46,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 36 transitions. [2023-11-19 03:58:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2023-11-19 03:58:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:58:46,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:46,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:46,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:58:46,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:46,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 38 transitions. [2023-11-19 03:58:46,759 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-11-19 03:58:46,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:58:46,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:46,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:46,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:58:47,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:47,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 40 transitions. [2023-11-19 03:58:47,011 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2023-11-19 03:58:47,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:58:47,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:47,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:47,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:58:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:47,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 42 transitions. [2023-11-19 03:58:47,168 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2023-11-19 03:58:47,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:58:47,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:47,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:47,287 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:58:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 43 transitions. [2023-11-19 03:58:47,443 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-11-19 03:58:47,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:58:47,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:47,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:58:47,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:47,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 44 transitions. [2023-11-19 03:58:47,739 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-19 03:58:47,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:58:47,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:47,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:47,886 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:58:48,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 45 transitions. [2023-11-19 03:58:48,068 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-19 03:58:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:58:48,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:48,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:58:48,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:48,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 46 transitions. [2023-11-19 03:58:48,402 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-19 03:58:48,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:58:48,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:48,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:48,569 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:58:48,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:48,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 47 transitions. [2023-11-19 03:58:48,743 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2023-11-19 03:58:48,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:58:48,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:48,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:48,930 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:58:49,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 48 transitions. [2023-11-19 03:58:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2023-11-19 03:58:49,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:58:49,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:49,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:58:49,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 49 transitions. [2023-11-19 03:58:49,505 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2023-11-19 03:58:49,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:58:49,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:49,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:49,713 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:58:49,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:49,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 50 transitions. [2023-11-19 03:58:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2023-11-19 03:58:49,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:58:49,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:49,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:50,120 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:58:50,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:50,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 51 transitions. [2023-11-19 03:58:50,347 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2023-11-19 03:58:50,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:58:50,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:50,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:58:50,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:50,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 52 transitions. [2023-11-19 03:58:50,839 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2023-11-19 03:58:50,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:58:50,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:50,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:51,019 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-19 03:58:51,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 63 transitions. [2023-11-19 03:58:51,616 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2023-11-19 03:58:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:58:51,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:51,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:51,872 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-19 03:58:52,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:52,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 65 transitions. [2023-11-19 03:58:52,192 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2023-11-19 03:58:52,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:58:52,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:52,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:52,260 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-19 03:58:52,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:52,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 76 transitions. [2023-11-19 03:58:52,858 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2023-11-19 03:58:52,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:58:52,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:52,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:58:53,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:53,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 48 states and 77 transitions. [2023-11-19 03:58:53,454 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2023-11-19 03:58:53,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:58:53,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:53,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:58:54,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:54,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 49 states and 78 transitions. [2023-11-19 03:58:54,072 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2023-11-19 03:58:54,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:58:54,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:54,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:54,423 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:58:54,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 79 transitions. [2023-11-19 03:58:54,762 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2023-11-19 03:58:54,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:58:54,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:54,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:55,061 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:58:55,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:55,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 51 states and 80 transitions. [2023-11-19 03:58:55,390 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2023-11-19 03:58:55,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:58:55,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:55,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:55,685 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:58:56,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:56,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 52 states and 81 transitions. [2023-11-19 03:58:56,078 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2023-11-19 03:58:56,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:58:56,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:56,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:58:56,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:56,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 53 states and 82 transitions. [2023-11-19 03:58:56,789 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2023-11-19 03:58:56,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:58:56,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:56,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:57,135 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:58:57,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:57,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 54 states and 83 transitions. [2023-11-19 03:58:57,512 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2023-11-19 03:58:57,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:58:57,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:57,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:57,726 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-19 03:58:57,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:57,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 84 transitions. [2023-11-19 03:58:57,752 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 84 transitions. [2023-11-19 03:58:57,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:58:57,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:57,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:58,210 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:58:58,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:58,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 56 states and 85 transitions. [2023-11-19 03:58:58,627 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2023-11-19 03:58:58,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:58:58,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:58,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:59,041 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:58:59,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:59,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 57 states and 86 transitions. [2023-11-19 03:58:59,460 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2023-11-19 03:58:59,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:58:59,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:59,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:59,882 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:00,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:00,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 58 states and 87 transitions. [2023-11-19 03:59:00,334 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions. [2023-11-19 03:59:00,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:59:00,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:00,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:00,733 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:01,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:01,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 88 transitions. [2023-11-19 03:59:01,213 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2023-11-19 03:59:01,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:59:01,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:01,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:01,633 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:02,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:02,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 60 states and 89 transitions. [2023-11-19 03:59:02,075 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2023-11-19 03:59:02,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:59:02,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:02,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:02,527 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:02,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:03,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 90 transitions. [2023-11-19 03:59:03,001 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 90 transitions. [2023-11-19 03:59:03,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:59:03,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:03,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:03,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:03,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 62 states and 91 transitions. [2023-11-19 03:59:03,974 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-11-19 03:59:03,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:59:03,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:03,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:04,522 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:05,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:05,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 92 transitions. [2023-11-19 03:59:05,040 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2023-11-19 03:59:05,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:59:05,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:05,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:05,560 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:06,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 93 transitions. [2023-11-19 03:59:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2023-11-19 03:59:06,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:59:06,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:06,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:06,564 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:07,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:07,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 94 transitions. [2023-11-19 03:59:07,078 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 94 transitions. [2023-11-19 03:59:07,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:59:07,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:07,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:07,584 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:08,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:08,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 66 states and 95 transitions. [2023-11-19 03:59:08,190 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2023-11-19 03:59:08,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:59:08,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:08,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:08,752 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:09,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:09,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 67 states and 96 transitions. [2023-11-19 03:59:09,287 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2023-11-19 03:59:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:59:09,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:09,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:09,893 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:10,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:10,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 68 states and 97 transitions. [2023-11-19 03:59:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2023-11-19 03:59:10,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:59:10,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:10,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:11,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:11,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 69 states and 98 transitions. [2023-11-19 03:59:11,604 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2023-11-19 03:59:11,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:59:11,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:11,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:12,245 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:12,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:12,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 70 states and 99 transitions. [2023-11-19 03:59:12,795 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2023-11-19 03:59:12,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:59:12,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:12,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:13,420 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:14,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:14,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 71 states and 100 transitions. [2023-11-19 03:59:14,031 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2023-11-19 03:59:14,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:59:14,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:14,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:14,629 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:15,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:15,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 72 states and 101 transitions. [2023-11-19 03:59:15,178 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2023-11-19 03:59:15,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:59:15,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:15,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:15,449 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2023-11-19 03:59:15,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:15,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 53 states and 61 transitions. [2023-11-19 03:59:15,494 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2023-11-19 03:59:15,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:59:15,495 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2023-11-19 03:59:15,510 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:59:15,681 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:59:15,692 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:59:15,692 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:59:15,692 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:59:15,693 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:59:15,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~n~0 [2023-11-19 03:59:15,694 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:59:15,694 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-11-19 03:59:15,695 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~n~0 [2023-11-19 03:59:15,695 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:59:15,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:59:15 ImpRootNode [2023-11-19 03:59:15,696 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:59:15,697 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:59:15,697 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:59:15,697 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:59:15,697 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:45" (3/4) ... [2023-11-19 03:59:15,699 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:59:15,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:59:15,711 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-19 03:59:15,712 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-19 03:59:15,712 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:59:15,713 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:59:15,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == \result) [2023-11-19 03:59:15,790 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == \result) [2023-11-19 03:59:15,857 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728d76a3-e754-43d6-a750-68089ce3359d/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:59:15,857 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728d76a3-e754-43d6-a750-68089ce3359d/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:59:15,858 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:59:15,858 INFO L158 Benchmark]: Toolchain (without parser) took 31219.67ms. Allocated memory was 142.6MB in the beginning and 557.8MB in the end (delta: 415.2MB). Free memory was 113.5MB in the beginning and 484.5MB in the end (delta: -371.0MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2023-11-19 03:59:15,859 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 116.1MB in the end (delta: 84.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:59:15,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.43ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 101.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:59:15,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.48ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 99.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:59:15,860 INFO L158 Benchmark]: Boogie Preprocessor took 36.94ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 98.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:59:15,861 INFO L158 Benchmark]: RCFGBuilder took 617.64ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 96.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:59:15,861 INFO L158 Benchmark]: CodeCheck took 30063.09ms. Allocated memory was 142.6MB in the beginning and 557.8MB in the end (delta: 415.2MB). Free memory was 96.5MB in the beginning and 489.7MB in the end (delta: -393.2MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-11-19 03:59:15,861 INFO L158 Benchmark]: Witness Printer took 161.25ms. Allocated memory is still 557.8MB. Free memory was 489.7MB in the beginning and 484.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:59:15,864 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, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.8s, OverallIterations: 46, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3032 SdHoareTripleChecker+Valid, 18.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 294 mSDsluCounter, 871 SdHoareTripleChecker+Invalid, 15.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4753 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8229 IncrementalHoareTripleChecker+Invalid, 12982 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4753 mSolverCounterUnsat, 871 mSDtfsCounter, 8229 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12072 GetRequests, 11210 SyntacticMatches, 600 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25057 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 12.8s InterpolantComputationTime, 1517 NumberOfCodeBlocks, 1517 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 1472 ConstructedInterpolants, 0 QuantifiedInterpolants, 3116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 8 PerfectInterpolantSequences, 1362/9134 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: 39]: Loop Invariant Derived loop invariant: ((n == 0) && (x == 0)) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((n == 0) && (x == 0)) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: (n == 0) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (n == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (0 == \result) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: ((n == 0) && (x == 0)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((size == 0) && (i == 0)) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (n == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 116.1MB in the end (delta: 84.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.43ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 101.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.48ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 99.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.94ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 98.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 617.64ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 96.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 30063.09ms. Allocated memory was 142.6MB in the beginning and 557.8MB in the end (delta: 415.2MB). Free memory was 96.5MB in the beginning and 489.7MB in the end (delta: -393.2MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Witness Printer took 161.25ms. Allocated memory is still 557.8MB. Free memory was 489.7MB in the beginning and 484.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~n~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~n~0 RESULT: Ultimate proved your program to be correct! [2023-11-19 03:59:15,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728d76a3-e754-43d6-a750-68089ce3359d/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