./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_3a06ae1c-fc61-4491-a9da-e3f9c945e595/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06ae1c-fc61-4491-a9da-e3f9c945e595/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_3a06ae1c-fc61-4491-a9da-e3f9c945e595/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06ae1c-fc61-4491-a9da-e3f9c945e595/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06ae1c-fc61-4491-a9da-e3f9c945e595/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06ae1c-fc61-4491-a9da-e3f9c945e595/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5506d4c7458a400c41a33af3f6404f1e04b9f2e97e99f1fb53b74acf6bf59baf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:04:52,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:04:52,992 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06ae1c-fc61-4491-a9da-e3f9c945e595/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:04:53,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:04:53,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:04:53,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:04:53,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:04:53,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:04:53,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:04:53,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:04:53,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:04:53,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:04:53,047 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:04:53,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:04:53,049 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:04:53,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:04:53,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:04:53,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:04:53,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:04:53,051 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:04:53,052 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:04:53,052 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:04:53,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:04:53,054 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:04:53,055 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:04:53,055 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:04:53,056 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:04:53,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:04:53,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:04:53,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:04:53,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:04:53,059 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:04:53,059 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:04:53,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:04:53,059 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:04:53,060 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_3a06ae1c-fc61-4491-a9da-e3f9c945e595/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06ae1c-fc61-4491-a9da-e3f9c945e595/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5506d4c7458a400c41a33af3f6404f1e04b9f2e97e99f1fb53b74acf6bf59baf [2023-11-19 03:04:53,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:04:53,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:04:53,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:04:53,391 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:04:53,391 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:04:53,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06ae1c-fc61-4491-a9da-e3f9c945e595/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c [2023-11-19 03:04:56,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:04:57,107 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:04:57,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06ae1c-fc61-4491-a9da-e3f9c945e595/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c [2023-11-19 03:04:57,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06ae1c-fc61-4491-a9da-e3f9c945e595/bin/ukojak-verify-G8NBE6pJGL/data/1fa27480f/000da1b2cb3a4b41b497768ee02173fa/FLAG0ec97c95a [2023-11-19 03:04:57,130 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06ae1c-fc61-4491-a9da-e3f9c945e595/bin/ukojak-verify-G8NBE6pJGL/data/1fa27480f/000da1b2cb3a4b41b497768ee02173fa [2023-11-19 03:04:57,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:04:57,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:04:57,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:04:57,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:04:57,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:04:57,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:04:57" (1/1) ... [2023-11-19 03:04:57,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8c1056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:57, skipping insertion in model container [2023-11-19 03:04:57,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:04:57" (1/1) ... [2023-11-19 03:04:57,168 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:04:57,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:04:57,362 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:04:57,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:04:57,399 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:04:57,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:57 WrapperNode [2023-11-19 03:04:57,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:04:57,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:04:57,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:04:57,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:04:57,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:57" (1/1) ... [2023-11-19 03:04:57,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:57" (1/1) ... [2023-11-19 03:04:57,443 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-19 03:04:57,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:04:57,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:04:57,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:04:57,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:04:57,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:57" (1/1) ... [2023-11-19 03:04:57,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:57" (1/1) ... [2023-11-19 03:04:57,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:57" (1/1) ... [2023-11-19 03:04:57,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:57" (1/1) ... [2023-11-19 03:04:57,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:57" (1/1) ... [2023-11-19 03:04:57,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:57" (1/1) ... [2023-11-19 03:04:57,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:57" (1/1) ... [2023-11-19 03:04:57,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:57" (1/1) ... [2023-11-19 03:04:57,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:04:57,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:04:57,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:04:57,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:04:57,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:57" (1/1) ... [2023-11-19 03:04:57,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:04:57,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06ae1c-fc61-4491-a9da-e3f9c945e595/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:04:57,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06ae1c-fc61-4491-a9da-e3f9c945e595/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:04:57,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a06ae1c-fc61-4491-a9da-e3f9c945e595/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:04:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:04:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:04:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:04:57,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:04:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:04:57,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:04:57,655 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:04:57,658 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:04:58,103 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:04:58,146 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:04:58,146 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:04:58,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:58 BoogieIcfgContainer [2023-11-19 03:04:58,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:04:58,154 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:04:58,154 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:04:58,167 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:04:58,167 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:58" (1/1) ... [2023-11-19 03:04:58,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:04:58,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:58,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-19 03:04:58,284 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-19 03:04:58,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:04:58,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:58,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:58,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:58,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-19 03:04:58,741 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-19 03:04:58,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:04:58,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:58,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:58,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:58,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:58,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-19 03:04:58,831 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-19 03:04:58,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:04:58,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:58,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:58,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-19 03:04:58,928 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-19 03:04:58,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:04:58,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:58,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:59,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:04:59,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:59,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:59,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:59,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-19 03:04:59,476 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-19 03:04:59,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:04:59,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:59,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:59,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:04:59,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:59,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:59,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:59,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-19 03:04:59,670 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-19 03:04:59,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:04:59,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:59,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:59,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:59,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:59,794 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:00,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-19 03:05:00,236 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-19 03:05:00,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:05:00,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:00,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:00,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:05:00,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:00,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:01,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:01,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-19 03:05:01,115 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-19 03:05:01,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:05:01,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:01,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:01,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:05:01,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:01,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:02,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:02,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-19 03:05:02,202 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-19 03:05:02,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:05:02,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:02,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:02,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:05:02,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:03,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:03,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-19 03:05:03,361 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-19 03:05:03,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:05:03,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:03,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:03,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:05:03,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:03,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-19 03:05:03,989 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-19 03:05:03,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:05:03,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:03,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:04,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:05:04,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:04,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:04,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:04,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-19 03:05:04,841 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-19 03:05:04,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:05:04,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:04,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:04,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:05:04,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:06,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:06,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 146 states and 289 transitions. [2023-11-19 03:05:06,409 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 289 transitions. [2023-11-19 03:05:06,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:05:06,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:06,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:06,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:05:06,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:06,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:08,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:08,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 157 states and 315 transitions. [2023-11-19 03:05:08,652 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 315 transitions. [2023-11-19 03:05:08,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:05:08,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:08,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:08,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:05:08,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:08,748 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:08,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:08,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 158 states and 316 transitions. [2023-11-19 03:05:08,779 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 316 transitions. [2023-11-19 03:05:08,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:05:08,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:08,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:08,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:05:08,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:08,921 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:09,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:09,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 164 states and 326 transitions. [2023-11-19 03:05:09,970 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 326 transitions. [2023-11-19 03:05:09,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:05:09,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:09,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:10,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:05:10,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:10,216 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:13,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:13,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 177 states and 353 transitions. [2023-11-19 03:05:13,047 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 353 transitions. [2023-11-19 03:05:13,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:05:13,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:13,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:13,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:05:13,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:13,218 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:14,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 184 states and 364 transitions. [2023-11-19 03:05:14,446 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 364 transitions. [2023-11-19 03:05:14,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:05:14,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:14,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:14,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:05:14,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:16,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:16,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 194 states and 387 transitions. [2023-11-19 03:05:16,569 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 387 transitions. [2023-11-19 03:05:16,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:05:16,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:16,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:16,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:05:16,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:16,652 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:16,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:16,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 195 states and 396 transitions. [2023-11-19 03:05:16,717 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 396 transitions. [2023-11-19 03:05:16,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:05:16,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:16,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:16,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:05:16,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:16,931 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:05:19,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:19,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 205 states and 423 transitions. [2023-11-19 03:05:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 423 transitions. [2023-11-19 03:05:19,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:05:19,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:19,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:19,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:05:19,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:05:23,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:23,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 216 states and 451 transitions. [2023-11-19 03:05:23,002 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 451 transitions. [2023-11-19 03:05:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:05:23,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:23,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:23,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:05:23,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:23,367 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:05:25,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:25,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 227 states and 483 transitions. [2023-11-19 03:05:25,910 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 483 transitions. [2023-11-19 03:05:25,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:05:25,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:25,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:25,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:05:25,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:26,267 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:05:28,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:28,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 235 states and 514 transitions. [2023-11-19 03:05:28,339 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 514 transitions. [2023-11-19 03:05:28,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:05:28,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:28,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:28,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:05:28,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:28,411 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:05:29,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:29,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 242 states and 538 transitions. [2023-11-19 03:05:29,791 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 538 transitions. [2023-11-19 03:05:29,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:05:29,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:29,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:29,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:05:29,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:05:34,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:34,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 255 states and 572 transitions. [2023-11-19 03:05:34,749 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 572 transitions. [2023-11-19 03:05:34,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:05:34,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:34,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:34,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:05:34,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:05:34,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:34,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 256 states and 573 transitions. [2023-11-19 03:05:34,860 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 573 transitions. [2023-11-19 03:05:34,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:05:34,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:34,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:34,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:05:34,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:35,079 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:05:36,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:36,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 264 states and 597 transitions. [2023-11-19 03:05:36,639 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 597 transitions. [2023-11-19 03:05:36,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:05:36,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:36,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:36,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:05:36,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:36,758 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:05:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:39,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 275 states and 626 transitions. [2023-11-19 03:05:39,289 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 626 transitions. [2023-11-19 03:05:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:05:39,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:39,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:39,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:05:39,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:39,747 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:05:44,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:44,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 292 states and 665 transitions. [2023-11-19 03:05:44,464 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 665 transitions. [2023-11-19 03:05:44,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:05:44,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:44,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:44,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:05:44,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:44,674 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:05:46,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:46,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 298 states and 672 transitions. [2023-11-19 03:05:46,121 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 672 transitions. [2023-11-19 03:05:46,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:05:46,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:46,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:46,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:05:46,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:46,310 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.