./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb5efcc-94fd-4f6d-a449-99fe8db5774b/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb5efcc-94fd-4f6d-a449-99fe8db5774b/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb5efcc-94fd-4f6d-a449-99fe8db5774b/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb5efcc-94fd-4f6d-a449-99fe8db5774b/bin/ukojak-verify-i0I2FZA1j2/config/KojakMemDerefMemtrack.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_2bb5efcc-94fd-4f6d-a449-99fe8db5774b/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb5efcc-94fd-4f6d-a449-99fe8db5774b/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --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-527bcce [2023-11-21 18:51:16,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:51:16,358 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb5efcc-94fd-4f6d-a449-99fe8db5774b/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-21 18:51:16,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:51:16,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:51:16,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:51:16,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:51:16,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:51:16,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:51:16,429 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:51:16,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:51:16,431 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:51:16,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:51:16,434 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 18:51:16,435 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 18:51:16,435 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 18:51:16,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:51:16,436 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:51:16,437 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:51:16,437 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:51:16,438 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:51:16,439 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:51:16,439 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:51:16,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:51:16,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:16,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:51:16,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:51:16,442 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:51:16,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:51:16,443 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_2bb5efcc-94fd-4f6d-a449-99fe8db5774b/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb5efcc-94fd-4f6d-a449-99fe8db5774b/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 [2023-11-21 18:51:16,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:51:16,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:51:16,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:51:16,809 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:51:16,809 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:51:16,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb5efcc-94fd-4f6d-a449-99fe8db5774b/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2023-11-21 18:51:20,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:51:20,326 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:51:20,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb5efcc-94fd-4f6d-a449-99fe8db5774b/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2023-11-21 18:51:20,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb5efcc-94fd-4f6d-a449-99fe8db5774b/bin/ukojak-verify-i0I2FZA1j2/data/060d77ff5/0bccc46e5aca49cba801ec48f1c4000d/FLAG3d61743d7 [2023-11-21 18:51:20,352 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb5efcc-94fd-4f6d-a449-99fe8db5774b/bin/ukojak-verify-i0I2FZA1j2/data/060d77ff5/0bccc46e5aca49cba801ec48f1c4000d [2023-11-21 18:51:20,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:51:20,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:51:20,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:20,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:51:20,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:51:20,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:20" (1/1) ... [2023-11-21 18:51:20,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37eb007b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:20, skipping insertion in model container [2023-11-21 18:51:20,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:20" (1/1) ... [2023-11-21 18:51:20,399 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:51:20,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:20,602 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:51:20,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:20,642 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:51:20,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:20 WrapperNode [2023-11-21 18:51:20,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:20,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:20,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:51:20,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:51:20,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:20" (1/1) ... [2023-11-21 18:51:20,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:20" (1/1) ... [2023-11-21 18:51:20,695 INFO L138 Inliner]: procedures = 18, calls = 30, calls flagged for inlining = 8, calls inlined = 10, statements flattened = 183 [2023-11-21 18:51:20,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:20,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:51:20,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:51:20,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:51:20,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:20" (1/1) ... [2023-11-21 18:51:20,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:20" (1/1) ... [2023-11-21 18:51:20,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:20" (1/1) ... [2023-11-21 18:51:20,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:20" (1/1) ... [2023-11-21 18:51:20,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:20" (1/1) ... [2023-11-21 18:51:20,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:20" (1/1) ... [2023-11-21 18:51:20,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:20" (1/1) ... [2023-11-21 18:51:20,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:20" (1/1) ... [2023-11-21 18:51:20,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:51:20,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:51:20,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:51:20,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:51:20,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:20" (1/1) ... [2023-11-21 18:51:20,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:20,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb5efcc-94fd-4f6d-a449-99fe8db5774b/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:51:20,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb5efcc-94fd-4f6d-a449-99fe8db5774b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:51:20,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb5efcc-94fd-4f6d-a449-99fe8db5774b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:51:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:51:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:51:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:51:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:51:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:51:20,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:51:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:51:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:51:21,011 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:51:21,018 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:51:21,511 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:51:21,641 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:51:21,642 INFO L308 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-21 18:51:21,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:21 BoogieIcfgContainer [2023-11-21 18:51:21,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:51:21,645 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:51:21,645 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:51:21,659 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:51:21,659 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:21" (1/1) ... [2023-11-21 18:51:21,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:51:21,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:21,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2023-11-21 18:51:21,740 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2023-11-21 18:51:21,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:51:21,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:21,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:22,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:22,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:22,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2023-11-21 18:51:22,087 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2023-11-21 18:51:22,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:51:22,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:22,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:22,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:22,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2023-11-21 18:51:22,504 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2023-11-21 18:51:22,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:51:22,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:22,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:23,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:23,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2023-11-21 18:51:23,186 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2023-11-21 18:51:23,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:51:23,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:23,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:23,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:23,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:23,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2023-11-21 18:51:23,498 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2023-11-21 18:51:23,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:51:23,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:23,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:23,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:51:23,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:23,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2023-11-21 18:51:23,646 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2023-11-21 18:51:23,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:51:23,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:23,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:23,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:23,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:23,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2023-11-21 18:51:23,999 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2023-11-21 18:51:24,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:51:24,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:24,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:24,112 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:24,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:24,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2023-11-21 18:51:24,496 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2023-11-21 18:51:24,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:51:24,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:24,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:24,597 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:24,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:24,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2023-11-21 18:51:24,928 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2023-11-21 18:51:24,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:51:24,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:24,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-21 18:51:25,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:25,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2023-11-21 18:51:25,330 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2023-11-21 18:51:25,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:51:25,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:25,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:25,457 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-21 18:51:27,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:27,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 67 states and 80 transitions. [2023-11-21 18:51:27,019 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2023-11-21 18:51:27,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:51:27,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:27,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:27,161 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:27,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:27,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 69 states and 82 transitions. [2023-11-21 18:51:27,646 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2023-11-21 18:51:27,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:51:27,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:27,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:28,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:28,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2023-11-21 18:51:28,378 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2023-11-21 18:51:28,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:51:28,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:28,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:28,588 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:29,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:29,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 73 states and 86 transitions. [2023-11-21 18:51:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2023-11-21 18:51:29,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:51:29,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:29,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:29,401 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:30,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 75 states and 88 transitions. [2023-11-21 18:51:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 88 transitions. [2023-11-21 18:51:30,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:51:30,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:30,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:30,296 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:30,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 90 transitions. [2023-11-21 18:51:30,925 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2023-11-21 18:51:30,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:51:30,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:30,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:31,164 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:31,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2023-11-21 18:51:31,798 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2023-11-21 18:51:31,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:51:31,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:31,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:32,043 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:32,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:32,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 81 states and 94 transitions. [2023-11-21 18:51:32,717 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2023-11-21 18:51:32,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:51:32,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:32,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:33,008 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:33,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:33,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 83 states and 96 transitions. [2023-11-21 18:51:33,728 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2023-11-21 18:51:33,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:51:33,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:33,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:34,043 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:34,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:34,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 85 states and 98 transitions. [2023-11-21 18:51:34,807 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2023-11-21 18:51:34,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:51:34,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:34,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:35,182 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:35,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:35,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 87 states and 100 transitions. [2023-11-21 18:51:35,988 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2023-11-21 18:51:35,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:51:35,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:35,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:37,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:37,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 89 states and 102 transitions. [2023-11-21 18:51:37,082 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2023-11-21 18:51:37,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:51:37,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:37,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:37,424 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:38,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:38,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 91 states and 104 transitions. [2023-11-21 18:51:38,230 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2023-11-21 18:51:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:51:38,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:38,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:38,549 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:39,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 93 states and 106 transitions. [2023-11-21 18:51:39,389 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2023-11-21 18:51:39,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:51:39,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:39,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:39,711 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:40,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 95 states and 108 transitions. [2023-11-21 18:51:40,641 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2023-11-21 18:51:40,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:51:40,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:40,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:42,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:42,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 97 states and 110 transitions. [2023-11-21 18:51:42,020 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2023-11-21 18:51:42,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:51:42,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:42,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:42,490 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:43,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:43,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 99 states and 112 transitions. [2023-11-21 18:51:43,708 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2023-11-21 18:51:43,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:51:43,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:43,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:44,106 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:45,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:45,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 101 states and 114 transitions. [2023-11-21 18:51:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2023-11-21 18:51:45,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:51:45,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:45,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:45,591 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:46,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:46,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 103 states and 116 transitions. [2023-11-21 18:51:46,560 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2023-11-21 18:51:46,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:51:46,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:46,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:47,014 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 529 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:48,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:48,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 105 states and 118 transitions. [2023-11-21 18:51:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2023-11-21 18:51:48,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:51:48,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:48,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:48,555 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:49,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 107 states and 120 transitions. [2023-11-21 18:51:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2023-11-21 18:51:49,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:51:49,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:49,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:50,165 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 0 proven. 625 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:51,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:51,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 109 states and 122 transitions. [2023-11-21 18:51:51,301 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 122 transitions. [2023-11-21 18:51:51,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:51:51,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:51,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:51,796 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 0 proven. 676 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:52,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:52,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 111 states and 124 transitions. [2023-11-21 18:51:52,941 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2023-11-21 18:51:52,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:51:52,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:52,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 729 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:54,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:54,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 113 states and 126 transitions. [2023-11-21 18:51:54,753 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 126 transitions. [2023-11-21 18:51:54,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:51:54,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:54,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:55,241 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:56,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:56,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 115 states and 128 transitions. [2023-11-21 18:51:56,532 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 128 transitions. [2023-11-21 18:51:56,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:51:56,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:56,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:57,115 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 0 proven. 841 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:58,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:58,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 117 states and 130 transitions. [2023-11-21 18:51:58,417 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 130 transitions. [2023-11-21 18:51:58,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:51:58,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:58,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:52:00,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:00,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 119 states and 132 transitions. [2023-11-21 18:52:00,309 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 132 transitions. [2023-11-21 18:52:00,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:52:00,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:00,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 0 proven. 961 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:52:02,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:02,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 121 states and 134 transitions. [2023-11-21 18:52:02,502 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 134 transitions. [2023-11-21 18:52:02,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:52:02,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:02,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 1024 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:52:04,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:04,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 123 states and 136 transitions. [2023-11-21 18:52:04,545 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 136 transitions. [2023-11-21 18:52:04,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:52:04,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:04,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1091 backedges. 0 proven. 1089 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.