./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_7586c680-fae3-4a14-b466-058012af7473/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7586c680-fae3-4a14-b466-058012af7473/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7586c680-fae3-4a14-b466-058012af7473/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7586c680-fae3-4a14-b466-058012af7473/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7586c680-fae3-4a14-b466-058012af7473/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7586c680-fae3-4a14-b466-058012af7473/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 270a8c73bc7d9e9639eeb25f37db1c00f9bf9fa2d12a97f4c4992b09daa4f118 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:20,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:20,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7586c680-fae3-4a14-b466-058012af7473/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:01:20,684 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:20,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:20,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:20,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:20,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:20,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:20,734 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:20,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:20,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:20,736 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:20,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:20,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:20,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:20,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:20,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:20,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:20,740 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:20,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:20,742 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:20,742 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:20,743 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:20,743 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:20,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:20,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:20,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:20,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:20,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:20,747 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:20,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:20,748 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:20,748 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_7586c680-fae3-4a14-b466-058012af7473/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7586c680-fae3-4a14-b466-058012af7473/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 270a8c73bc7d9e9639eeb25f37db1c00f9bf9fa2d12a97f4c4992b09daa4f118 [2023-11-19 04:01:21,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:21,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:21,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:21,085 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:21,085 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:21,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7586c680-fae3-4a14-b466-058012af7473/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem06_label20.c [2023-11-19 04:01:24,164 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:24,966 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:24,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7586c680-fae3-4a14-b466-058012af7473/sv-benchmarks/c/eca-rers2012/Problem06_label20.c [2023-11-19 04:01:25,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7586c680-fae3-4a14-b466-058012af7473/bin/ukojak-verify-G8NBE6pJGL/data/3c51a59e7/f1ae1b62dc8446c388b3fe54734aef84/FLAG1ca7fc705 [2023-11-19 04:01:25,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7586c680-fae3-4a14-b466-058012af7473/bin/ukojak-verify-G8NBE6pJGL/data/3c51a59e7/f1ae1b62dc8446c388b3fe54734aef84 [2023-11-19 04:01:25,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:25,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:25,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:25,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:25,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:25,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3833d0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:25, skipping insertion in model container [2023-11-19 04:01:25,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,319 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:27,559 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_7586c680-fae3-4a14-b466-058012af7473/sv-benchmarks/c/eca-rers2012/Problem06_label20.c[332051,332064] [2023-11-19 04:01:27,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:27,605 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:28,750 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_7586c680-fae3-4a14-b466-058012af7473/sv-benchmarks/c/eca-rers2012/Problem06_label20.c[332051,332064] [2023-11-19 04:01:28,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:28,824 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:28,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:28 WrapperNode [2023-11-19 04:01:28,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:28,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:28,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:28,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:28,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:28" (1/1) ... [2023-11-19 04:01:28,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:28" (1/1) ... [2023-11-19 04:01:29,218 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10174 [2023-11-19 04:01:29,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:29,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:29,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:29,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:29,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:28" (1/1) ... [2023-11-19 04:01:29,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:28" (1/1) ... [2023-11-19 04:01:29,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:28" (1/1) ... [2023-11-19 04:01:29,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:28" (1/1) ... [2023-11-19 04:01:29,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:28" (1/1) ... [2023-11-19 04:01:29,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:28" (1/1) ... [2023-11-19 04:01:29,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:28" (1/1) ... [2023-11-19 04:01:29,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:28" (1/1) ... [2023-11-19 04:01:29,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:29,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:29,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:29,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:29,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:28" (1/1) ... [2023-11-19 04:01:29,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:29,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7586c680-fae3-4a14-b466-058012af7473/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:29,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7586c680-fae3-4a14-b466-058012af7473/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:29,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7586c680-fae3-4a14-b466-058012af7473/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:30,183 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:30,187 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:37,894 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:39,206 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:39,207 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:01:39,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:39 BoogieIcfgContainer [2023-11-19 04:01:39,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:39,221 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:39,221 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:39,231 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:39,232 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:39" (1/1) ... [2023-11-19 04:01:39,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:39,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:39,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 938 states and 1864 transitions. [2023-11-19 04:01:39,325 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1864 transitions. [2023-11-19 04:01:39,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2023-11-19 04:01:39,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:39,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:50,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:50,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3066 states to 1865 states and 3066 transitions. [2023-11-19 04:01:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3066 transitions. [2023-11-19 04:01:50,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 935 [2023-11-19 04:01:50,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:50,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:51,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:52,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:52,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 1869 states and 3072 transitions. [2023-11-19 04:01:52,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 3072 transitions. [2023-11-19 04:01:52,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 938 [2023-11-19 04:01:52,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:52,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:53,881 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 1876 states and 3082 transitions. [2023-11-19 04:01:54,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 3082 transitions. [2023-11-19 04:01:54,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2023-11-19 04:01:54,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:54,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:57,020 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:57,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:57,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 1884 states and 3094 transitions. [2023-11-19 04:01:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 3094 transitions. [2023-11-19 04:01:57,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2023-11-19 04:01:57,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:57,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:59,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 1893 states and 3108 transitions. [2023-11-19 04:01:59,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 3108 transitions. [2023-11-19 04:01:59,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 942 [2023-11-19 04:01:59,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:59,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:00,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:00,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 1896 states and 3113 transitions. [2023-11-19 04:02:00,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 3113 transitions. [2023-11-19 04:02:00,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 943 [2023-11-19 04:02:00,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:00,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:01,427 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:01,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:01,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 1901 states and 3121 transitions. [2023-11-19 04:02:01,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 3121 transitions. [2023-11-19 04:02:01,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 944 [2023-11-19 04:02:01,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:01,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:03,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:03,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 1914 states and 3140 transitions. [2023-11-19 04:02:03,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 3140 transitions. [2023-11-19 04:02:03,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 945 [2023-11-19 04:02:03,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:03,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:04,519 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:05,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:05,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 1928 states and 3162 transitions. [2023-11-19 04:02:05,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 3162 transitions. [2023-11-19 04:02:05,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 949 [2023-11-19 04:02:05,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:05,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms