./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/sleep-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_873fb72b-c5dc-4079-9817-e6acdb9572da/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_873fb72b-c5dc-4079-9817-e6acdb9572da/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_873fb72b-c5dc-4079-9817-e6acdb9572da/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_873fb72b-c5dc-4079-9817-e6acdb9572da/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sleep-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_873fb72b-c5dc-4079-9817-e6acdb9572da/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_873fb72b-c5dc-4079-9817-e6acdb9572da/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 201afb0304f75aafd17af3d762c0926f4ea0271883b75624cd621490900e7673 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:27,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:27,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_873fb72b-c5dc-4079-9817-e6acdb9572da/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 03:13:27,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:13:27,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:13:27,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:27,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:27,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:27,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:27,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:13:27,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:27,484 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:13:27,485 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:13:27,485 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:13:27,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:27,487 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:13:27,487 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:27,488 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:27,488 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:27,489 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:27,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:27,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:27,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:27,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:27,492 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:13:27,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:13:27,492 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_873fb72b-c5dc-4079-9817-e6acdb9572da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_873fb72b-c5dc-4079-9817-e6acdb9572da/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 201afb0304f75aafd17af3d762c0926f4ea0271883b75624cd621490900e7673 [2023-11-19 03:13:27,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:27,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:27,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:27,892 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:27,892 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:27,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_873fb72b-c5dc-4079-9817-e6acdb9572da/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/sleep-1.i [2023-11-19 03:13:31,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:31,575 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:31,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_873fb72b-c5dc-4079-9817-e6acdb9572da/sv-benchmarks/c/busybox-1.22.0/sleep-1.i [2023-11-19 03:13:31,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_873fb72b-c5dc-4079-9817-e6acdb9572da/bin/ukojak-verify-G8NBE6pJGL/data/9dbf3bdf2/f808105261a648b4a16fa4dac94b948a/FLAG1c5db2e18 [2023-11-19 03:13:31,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_873fb72b-c5dc-4079-9817-e6acdb9572da/bin/ukojak-verify-G8NBE6pJGL/data/9dbf3bdf2/f808105261a648b4a16fa4dac94b948a [2023-11-19 03:13:31,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:31,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:31,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:31,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:31,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:31,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:31" (1/1) ... [2023-11-19 03:13:31,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2277a6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:31, skipping insertion in model container [2023-11-19 03:13:31,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:31" (1/1) ... [2023-11-19 03:13:31,712 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:33,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:33,140 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:33,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:33,615 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:13:33,616 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:13:33,616 WARN L675 CHandler]: The function strspn is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:13:33,625 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:33,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33 WrapperNode [2023-11-19 03:13:33,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:33,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:33,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:33,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:33,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,850 INFO L138 Inliner]: procedures = 633, calls = 240, calls flagged for inlining = 36, calls inlined = 79, statements flattened = 2070 [2023-11-19 03:13:33,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:33,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:33,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:33,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:33,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:33,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:34,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:34,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:34,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:34,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:34,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:34,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:34,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:33" (1/1) ... [2023-11-19 03:13:34,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:34,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_873fb72b-c5dc-4079-9817-e6acdb9572da/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:34,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_873fb72b-c5dc-4079-9817-e6acdb9572da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:34,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_873fb72b-c5dc-4079-9817-e6acdb9572da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:13:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:13:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:13:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:13:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:13:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 03:13:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:13:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:13:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:13:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:13:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:13:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2023-11-19 03:13:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-19 03:13:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:13:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:13:34,616 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:34,618 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:13:37,758 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:13:38,351 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:13:38,352 INFO L302 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-19 03:13:38,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:38 BoogieIcfgContainer [2023-11-19 03:13:38,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:13:38,366 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:13:38,366 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:13:38,378 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:13:38,378 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:38" (1/1) ... [2023-11-19 03:13:38,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:13:38,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:38,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1216 states and 1377 transitions. [2023-11-19 03:13:38,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1377 transitions. [2023-11-19 03:13:38,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:13:38,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:38,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:39,009 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 03:13:39,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:39,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1215 states and 1376 transitions. [2023-11-19 03:13:39,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1376 transitions. [2023-11-19 03:13:39,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:13:39,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:39,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:39,321 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 03:13:39,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:39,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1214 states and 1375 transitions. [2023-11-19 03:13:39,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1375 transitions. [2023-11-19 03:13:39,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:13:39,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:39,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:39,597 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 03:13:39,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:39,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1215 states and 1377 transitions. [2023-11-19 03:13:39,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1377 transitions. [2023-11-19 03:13:39,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:13:39,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:39,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:39,740 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 03:13:39,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:39,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1216 states and 1379 transitions. [2023-11-19 03:13:39,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1379 transitions. [2023-11-19 03:13:39,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:13:39,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:39,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:40,034 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 03:13:40,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:40,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1218 states and 1381 transitions. [2023-11-19 03:13:40,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1381 transitions. [2023-11-19 03:13:40,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:13:40,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:40,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:40,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:40,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:40,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1219 states and 1384 transitions. [2023-11-19 03:13:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1384 transitions. [2023-11-19 03:13:40,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:13:40,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:40,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:40,706 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 03:13:40,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:40,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1219 states and 1383 transitions. [2023-11-19 03:13:40,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1383 transitions. [2023-11-19 03:13:40,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:13:40,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:40,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:41,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:41,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:41,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1221 states and 1386 transitions. [2023-11-19 03:13:41,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1386 transitions. [2023-11-19 03:13:41,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:13:41,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:41,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:41,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:41,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1223 states and 1391 transitions. [2023-11-19 03:13:41,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1391 transitions. [2023-11-19 03:13:41,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:13:41,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:41,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:42,034 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 03:13:42,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:42,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1223 states and 1390 transitions. [2023-11-19 03:13:42,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1390 transitions. [2023-11-19 03:13:42,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:13:42,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:42,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:42,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:42,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:43,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1225 states and 1393 transitions. [2023-11-19 03:13:43,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1393 transitions. [2023-11-19 03:13:43,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:13:43,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:43,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:43,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:43,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1227 states and 1400 transitions. [2023-11-19 03:13:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1400 transitions. [2023-11-19 03:13:43,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:13:43,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:43,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:43,874 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:44,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:44,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1229 states and 1404 transitions. [2023-11-19 03:13:44,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1404 transitions. [2023-11-19 03:13:44,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:13:44,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:44,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:44,658 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 03:13:44,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:44,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1229 states and 1403 transitions. [2023-11-19 03:13:44,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1403 transitions. [2023-11-19 03:13:44,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:13:44,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:44,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:45,036 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:45,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:45,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1230 states and 1403 transitions. [2023-11-19 03:13:45,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1403 transitions. [2023-11-19 03:13:45,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:13:45,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:45,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:45,555 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:45,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:45,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1232 states and 1412 transitions. [2023-11-19 03:13:45,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1412 transitions. [2023-11-19 03:13:45,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:13:45,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:45,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:46,758 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:49,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:49,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1233 states and 1411 transitions. [2023-11-19 03:13:49,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1411 transitions. [2023-11-19 03:13:49,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:13:49,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:49,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:49,413 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 03:13:49,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:49,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1233 states and 1410 transitions. [2023-11-19 03:13:49,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1410 transitions. [2023-11-19 03:13:49,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:13:49,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:49,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:50,362 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:13:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:53,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1236 states and 1424 transitions. [2023-11-19 03:13:53,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1424 transitions. [2023-11-19 03:13:53,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:13:53,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:53,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:54,019 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:54,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:54,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1238 states and 1435 transitions. [2023-11-19 03:13:54,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1435 transitions. [2023-11-19 03:13:54,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:13:54,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:54,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:54,950 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:13:55,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:55,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1238 states and 1434 transitions. [2023-11-19 03:13:55,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1434 transitions. [2023-11-19 03:13:55,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:13:55,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:55,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:55,839 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:57,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:57,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1240 states and 1439 transitions. [2023-11-19 03:13:57,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1439 transitions. [2023-11-19 03:13:57,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:13:57,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:57,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:58,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:58,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1242 states and 1454 transitions. [2023-11-19 03:13:58,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1454 transitions. [2023-11-19 03:13:58,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:13:58,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:58,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:59,071 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:00,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:00,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1244 states and 1459 transitions. [2023-11-19 03:14:00,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1459 transitions. [2023-11-19 03:14:00,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:14:00,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:00,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:02,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:02,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1246 states and 1462 transitions. [2023-11-19 03:14:02,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1462 transitions. [2023-11-19 03:14:02,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:14:02,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:02,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:02,478 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:03,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1248 states and 1474 transitions. [2023-11-19 03:14:03,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1474 transitions. [2023-11-19 03:14:03,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:14:03,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:03,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:03,470 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:03,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:03,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1249 states and 1475 transitions. [2023-11-19 03:14:03,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1475 transitions. [2023-11-19 03:14:03,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:14:03,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:03,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:04,033 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:14:04,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:04,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1249 states and 1474 transitions. [2023-11-19 03:14:04,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1474 transitions. [2023-11-19 03:14:04,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:14:04,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:04,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:04,852 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:05,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:05,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1251 states and 1489 transitions. [2023-11-19 03:14:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1489 transitions. [2023-11-19 03:14:05,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:14:05,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:05,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:05,975 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:06,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:06,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1252 states and 1490 transitions. [2023-11-19 03:14:06,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1490 transitions. [2023-11-19 03:14:06,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:14:06,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:06,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:06,760 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:07,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:07,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1253 states and 1502 transitions. [2023-11-19 03:14:07,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1502 transitions. [2023-11-19 03:14:07,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:14:07,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:07,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:08,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:08,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1254 states and 1502 transitions. [2023-11-19 03:14:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1502 transitions. [2023-11-19 03:14:08,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:14:08,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:08,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:09,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1255 states and 1503 transitions. [2023-11-19 03:14:09,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1503 transitions. [2023-11-19 03:14:09,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:14:09,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:09,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:09,852 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:10,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1256 states and 1503 transitions. [2023-11-19 03:14:10,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1503 transitions. [2023-11-19 03:14:10,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:14:10,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:10,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:10,351 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:14:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:10,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1256 states and 1502 transitions. [2023-11-19 03:14:10,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1502 transitions. [2023-11-19 03:14:10,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:14:10,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:10,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:11,198 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:12,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1258 states and 1517 transitions. [2023-11-19 03:14:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1517 transitions. [2023-11-19 03:14:12,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:14:12,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:12,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:12,736 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.