./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-simple/deep-nested.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_f69e2362-99d8-474c-977e-afd6b969207a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69e2362-99d8-474c-977e-afd6b969207a/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69e2362-99d8-474c-977e-afd6b969207a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69e2362-99d8-474c-977e-afd6b969207a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/deep-nested.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69e2362-99d8-474c-977e-afd6b969207a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69e2362-99d8-474c-977e-afd6b969207a/bin/ukojak-verify-0OAaufAVZV --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 f4fa4f6a03e1cc5362361e8e2a443a39504511936859bef102e6d3337f038be8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:59:22,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:59:22,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69e2362-99d8-474c-977e-afd6b969207a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:59:22,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:59:22,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:59:22,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:59:22,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:59:22,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:59:22,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:59:22,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:59:22,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:59:22,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:59:22,876 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:59:22,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:59:22,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:59:22,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:59:22,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:59:22,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:59:22,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:59:22,881 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:59:22,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:59:22,883 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:59:22,883 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:59:22,884 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:59:22,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:59:22,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:22,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:59:22,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:59:22,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:59:22,887 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:59:22,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:59:22,888 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:59:22,889 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_f69e2362-99d8-474c-977e-afd6b969207a/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69e2362-99d8-474c-977e-afd6b969207a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4fa4f6a03e1cc5362361e8e2a443a39504511936859bef102e6d3337f038be8 [2023-11-11 23:59:23,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:59:23,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:59:23,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:59:23,208 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:59:23,208 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:59:23,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69e2362-99d8-474c-977e-afd6b969207a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/loop-simple/deep-nested.c [2023-11-11 23:59:26,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:59:26,633 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:59:26,634 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69e2362-99d8-474c-977e-afd6b969207a/sv-benchmarks/c/loop-simple/deep-nested.c [2023-11-11 23:59:26,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69e2362-99d8-474c-977e-afd6b969207a/bin/ukojak-verify-0OAaufAVZV/data/ce1b7f17b/7f38222892fc45078e188d3ee1152efb/FLAG3ee33d3af [2023-11-11 23:59:26,663 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69e2362-99d8-474c-977e-afd6b969207a/bin/ukojak-verify-0OAaufAVZV/data/ce1b7f17b/7f38222892fc45078e188d3ee1152efb [2023-11-11 23:59:26,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:59:26,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:59:26,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:26,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:59:26,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:59:26,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:26" (1/1) ... [2023-11-11 23:59:26,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28dac573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:26, skipping insertion in model container [2023-11-11 23:59:26,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:26" (1/1) ... [2023-11-11 23:59:26,705 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:59:26,858 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_f69e2362-99d8-474c-977e-afd6b969207a/sv-benchmarks/c/loop-simple/deep-nested.c[863,876] [2023-11-11 23:59:26,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:26,875 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:59:26,890 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_f69e2362-99d8-474c-977e-afd6b969207a/sv-benchmarks/c/loop-simple/deep-nested.c[863,876] [2023-11-11 23:59:26,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:26,907 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:59:26,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:26 WrapperNode [2023-11-11 23:59:26,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:26,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:26,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:59:26,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:59:26,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:26" (1/1) ... [2023-11-11 23:59:26,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:26" (1/1) ... [2023-11-11 23:59:26,944 INFO L138 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2023-11-11 23:59:26,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:26,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:59:26,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:59:26,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:59:26,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:26" (1/1) ... [2023-11-11 23:59:26,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:26" (1/1) ... [2023-11-11 23:59:26,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:26" (1/1) ... [2023-11-11 23:59:26,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:26" (1/1) ... [2023-11-11 23:59:26,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:26" (1/1) ... [2023-11-11 23:59:26,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:26" (1/1) ... [2023-11-11 23:59:26,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:26" (1/1) ... [2023-11-11 23:59:26,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:26" (1/1) ... [2023-11-11 23:59:26,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:59:26,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:59:26,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:59:26,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:59:26,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:26" (1/1) ... [2023-11-11 23:59:26,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:26,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69e2362-99d8-474c-977e-afd6b969207a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:59:27,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69e2362-99d8-474c-977e-afd6b969207a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:59:27,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f69e2362-99d8-474c-977e-afd6b969207a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:59:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:59:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:59:27,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:59:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:59:27,110 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:59:27,112 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:59:27,279 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:59:27,334 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:59:27,335 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-11 23:59:27,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:27 BoogieIcfgContainer [2023-11-11 23:59:27,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:59:27,339 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:59:27,339 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:59:27,350 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:59:27,350 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:27" (1/1) ... [2023-11-11 23:59:27,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:59:27,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2023-11-11 23:59:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2023-11-11 23:59:27,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:59:27,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:27,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:27,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:28,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:28,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 29 transitions. [2023-11-11 23:59:28,175 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 29 transitions. [2023-11-11 23:59:28,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:59:28,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:28,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:28,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:28,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2023-11-11 23:59:28,978 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2023-11-11 23:59:28,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:59:28,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:28,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:29,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:29,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:29,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2023-11-11 23:59:29,534 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2023-11-11 23:59:29,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:59:29,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:29,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:29,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:29,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:29,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2023-11-11 23:59:29,882 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2023-11-11 23:59:29,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:59:29,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:29,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:30,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:31,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:31,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2023-11-11 23:59:31,436 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2023-11-11 23:59:31,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:59:31,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:31,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:31,803 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:59:32,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:32,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2023-11-11 23:59:32,833 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2023-11-11 23:59:32,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:59:32,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:32,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:33,135 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-11 23:59:34,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:34,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2023-11-11 23:59:34,314 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2023-11-11 23:59:34,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:59:34,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:34,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:59:34,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:34,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2023-11-11 23:59:34,924 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2023-11-11 23:59:34,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:59:34,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:34,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:35,445 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:59:36,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:36,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2023-11-11 23:59:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2023-11-11 23:59:36,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:59:36,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:36,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:36,876 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:59:37,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:37,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2023-11-11 23:59:37,920 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2023-11-11 23:59:37,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:59:37,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:37,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:59:39,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:39,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 85 transitions. [2023-11-11 23:59:39,664 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2023-11-11 23:59:39,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:59:39,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:39,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:59:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:41,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2023-11-11 23:59:41,501 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2023-11-11 23:59:41,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:59:41,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:41,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:59:43,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:43,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 91 transitions. [2023-11-11 23:59:43,472 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2023-11-11 23:59:43,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:59:43,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:43,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:44,259 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 3 proven. 85 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:59:45,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2023-11-11 23:59:45,583 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2023-11-11 23:59:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:59:45,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:45,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:46,443 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 3 proven. 109 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:59:47,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:47,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2023-11-11 23:59:47,831 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2023-11-11 23:59:47,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-11 23:59:47,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:47,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:48,696 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 3 proven. 136 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:59:50,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:50,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 65 states and 100 transitions. [2023-11-11 23:59:50,236 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-11 23:59:50,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-11 23:59:50,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:50,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 3 proven. 166 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:59:52,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:52,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 68 states and 103 transitions. [2023-11-11 23:59:52,769 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 103 transitions. [2023-11-11 23:59:52,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:59:52,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:52,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 3 proven. 199 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:59:55,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:55,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 71 states and 106 transitions. [2023-11-11 23:59:55,340 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 106 transitions. [2023-11-11 23:59:55,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-11 23:59:55,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:55,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:56,438 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 3 proven. 235 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:59:58,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:58,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 74 states and 109 transitions. [2023-11-11 23:59:58,215 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2023-11-11 23:59:58,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-11 23:59:58,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:58,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:59,414 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 3 proven. 274 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:00:01,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:01,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 77 states and 112 transitions. [2023-11-12 00:00:01,240 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2023-11-12 00:00:01,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-12 00:00:01,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:01,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:02,472 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 3 proven. 316 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:00:04,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:04,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 80 states and 115 transitions. [2023-11-12 00:00:04,415 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions. [2023-11-12 00:00:04,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-12 00:00:04,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:04,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:05,606 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 3 proven. 361 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:00:07,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:07,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 83 states and 118 transitions. [2023-11-12 00:00:07,517 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions. [2023-11-12 00:00:07,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-12 00:00:07,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:07,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:08,875 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 3 proven. 409 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:00:10,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:10,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 86 states and 121 transitions. [2023-11-12 00:00:10,893 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 121 transitions. [2023-11-12 00:00:10,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-12 00:00:10,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:10,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:12,234 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 3 proven. 460 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.