./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label46.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label46.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/bin/ukojak-verify-ENZ3QT5qd3 --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 454a0d8e81468f46c7e33771197733cd10e6f7a6ab6cc63470839978aa4b6ed5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:02:36,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:02:37,033 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:02:37,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:02:37,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:02:37,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:02:37,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:02:37,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:02:37,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:02:37,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:02:37,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:02:37,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:02:37,070 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:02:37,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:02:37,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:02:37,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:02:37,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:02:37,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:02:37,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:02:37,071 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:02:37,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:02:37,071 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:02:37,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:02:37,072 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:02:37,072 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:02:37,072 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:02:37,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:02:37,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:02:37,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:02:37,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:02:37,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:02:37,073 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:02:37,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:02:37,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/bin/ukojak-verify-ENZ3QT5qd3 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 -> 454a0d8e81468f46c7e33771197733cd10e6f7a6ab6cc63470839978aa4b6ed5 [2024-11-24 18:02:37,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:02:37,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:02:37,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:02:37,502 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:02:37,503 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:02:37,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem14_label46.c [2024-11-24 18:02:41,261 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/bin/ukojak-verify-ENZ3QT5qd3/data/d83341922/a6ede4642bcf445b88bbe7a5faf87dc8/FLAG01a0bfb51 [2024-11-24 18:02:41,725 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:02:41,725 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/sv-benchmarks/c/eca-rers2012/Problem14_label46.c [2024-11-24 18:02:41,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/bin/ukojak-verify-ENZ3QT5qd3/data/d83341922/a6ede4642bcf445b88bbe7a5faf87dc8/FLAG01a0bfb51 [2024-11-24 18:02:41,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/bin/ukojak-verify-ENZ3QT5qd3/data/d83341922/a6ede4642bcf445b88bbe7a5faf87dc8 [2024-11-24 18:02:41,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:02:41,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:02:41,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:02:41,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:02:41,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:02:41,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:02:41" (1/1) ... [2024-11-24 18:02:41,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c56901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:41, skipping insertion in model container [2024-11-24 18:02:41,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:02:41" (1/1) ... [2024-11-24 18:02:41,856 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:02:42,097 WARN L250 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_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/sv-benchmarks/c/eca-rers2012/Problem14_label46.c[4146,4159] [2024-11-24 18:02:42,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:02:42,387 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:02:42,413 WARN L250 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_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/sv-benchmarks/c/eca-rers2012/Problem14_label46.c[4146,4159] [2024-11-24 18:02:42,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:02:42,585 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:02:42,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:42 WrapperNode [2024-11-24 18:02:42,586 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:02:42,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:02:42,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:02:42,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:02:42,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:42" (1/1) ... [2024-11-24 18:02:42,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:42" (1/1) ... [2024-11-24 18:02:42,742 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-24 18:02:42,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:02:42,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:02:42,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:02:42,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:02:42,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:42" (1/1) ... [2024-11-24 18:02:42,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:42" (1/1) ... [2024-11-24 18:02:42,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:42" (1/1) ... [2024-11-24 18:02:42,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:42" (1/1) ... [2024-11-24 18:02:42,796 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:42" (1/1) ... [2024-11-24 18:02:42,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:42" (1/1) ... [2024-11-24 18:02:42,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:42" (1/1) ... [2024-11-24 18:02:42,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:42" (1/1) ... [2024-11-24 18:02:42,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:42" (1/1) ... [2024-11-24 18:02:42,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:02:42,860 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:02:42,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:02:42,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:02:42,865 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:42" (1/1) ... [2024-11-24 18:02:42,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:02:42,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:02:42,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:02:42,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f5f691-01af-4f6c-9f1b-5e375b91d85c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:02:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:02:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:02:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:02:42,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:02:43,058 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:02:43,061 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:02:45,260 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-24 18:02:45,261 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:02:51,861 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:02:51,862 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 18:02:51,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:02:51 BoogieIcfgContainer [2024-11-24 18:02:51,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:02:51,864 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:02:51,864 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:02:51,878 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:02:51,878 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:02:51" (1/1) ... [2024-11-24 18:02:51,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:02:51,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:02:51,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-24 18:02:51,960 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-24 18:02:51,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 18:02:51,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:02:51,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:02:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:02:52,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:02:52,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-24 18:02:52,481 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-24 18:02:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:02:52,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:02:52,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:02:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:03:21,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:03:22,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:03:22,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2024-11-24 18:03:22,231 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2024-11-24 18:03:22,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:03:22,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:03:22,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:03:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:03,518 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:05,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:05,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2024-11-24 18:04:05,055 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2024-11-24 18:04:05,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:04:05,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:05,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:22,232 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:05:32,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:05:33,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:33,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2024-11-24 18:05:33,916 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2024-11-24 18:05:33,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 18:05:33,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:33,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:56,970 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:08:08,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:08:08,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:08,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 96 transitions. [2024-11-24 18:08:08,792 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 96 transitions. [2024-11-24 18:08:08,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 18:08:08,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:08,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:39,936 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:52,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 18:10:53,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:53,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 50 states and 117 transitions. [2024-11-24 18:10:53,309 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 117 transitions. [2024-11-24 18:10:53,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 18:10:53,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:53,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:10:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:13:05,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:05,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 58 states and 136 transitions. [2024-11-24 18:13:05,398 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 136 transitions. [2024-11-24 18:13:05,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 18:13:05,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:05,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:13:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:16:12,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:12,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 68 states and 170 transitions. [2024-11-24 18:16:12,169 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 170 transitions. [2024-11-24 18:16:12,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 18:16:12,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:12,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:16:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat