./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/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_e1351414-0bd1-4ffc-97e5-67451efd2f94/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f54335276b565c52e40eef6a3f78ed9d794347e65877e7f862e4de86bcdea73 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:18:35,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:18:35,452 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:18:35,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:18:35,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:18:35,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:18:35,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:18:35,494 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:18:35,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:18:35,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:18:35,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:18:35,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:18:35,498 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:18:35,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:18:35,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:18:35,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:18:35,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:18:35,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:18:35,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:18:35,504 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:18:35,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:18:35,506 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:18:35,507 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:18:35,507 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:18:35,508 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:18:35,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:18:35,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:35,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:18:35,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:18:35,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:18:35,512 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:18:35,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:18:35,514 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:18:35,514 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_e1351414-0bd1-4ffc-97e5-67451efd2f94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f54335276b565c52e40eef6a3f78ed9d794347e65877e7f862e4de86bcdea73 [2023-11-19 03:18:35,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:18:35,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:18:35,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:18:35,866 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:18:35,867 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:18:35,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i [2023-11-19 03:18:39,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:18:40,461 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:18:40,462 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i [2023-11-19 03:18:40,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/bin/ukojak-verify-G8NBE6pJGL/data/9f46f9640/1c198ebcff3b4afea6376bfcbc6118b5/FLAG0f5f7f63e [2023-11-19 03:18:40,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/bin/ukojak-verify-G8NBE6pJGL/data/9f46f9640/1c198ebcff3b4afea6376bfcbc6118b5 [2023-11-19 03:18:40,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:18:40,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:18:40,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:40,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:18:40,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:18:40,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:40" (1/1) ... [2023-11-19 03:18:40,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b5846d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:40, skipping insertion in model container [2023-11-19 03:18:40,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:40" (1/1) ... [2023-11-19 03:18:40,684 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:18:41,443 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i[33021,33034] [2023-11-19 03:18:41,774 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i[84583,84596] [2023-11-19 03:18:41,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:41,798 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:18:41,866 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i[33021,33034] [2023-11-19 03:18:42,082 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i[84583,84596] [2023-11-19 03:18:42,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:42,209 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:18:42,220 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:18:42,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42 WrapperNode [2023-11-19 03:18:42,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:42,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:42,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:18:42,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:18:42,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,529 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3187 [2023-11-19 03:18:42,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:42,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:18:42,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:18:42,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:18:42,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:18:42,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:18:42,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:18:42,810 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:18:42,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:42,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:18:42,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:18:42,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1351414-0bd1-4ffc-97e5-67451efd2f94/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:18:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:18:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:18:42,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:18:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:18:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:18:42,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:18:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:18:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:18:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:18:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:18:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:18:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:18:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:18:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:18:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:18:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:18:43,229 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:18:43,231 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:18:47,134 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:18:49,933 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:18:49,933 INFO L302 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-19 03:18:49,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:49 BoogieIcfgContainer [2023-11-19 03:18:49,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:18:49,958 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:18:49,958 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:18:49,972 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:18:49,973 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:49" (1/1) ... [2023-11-19 03:18:49,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:18:50,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:50,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1106 states and 2176 transitions. [2023-11-19 03:18:50,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2176 transitions. [2023-11-19 03:18:50,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:18:50,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:50,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:50,436 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 03:18:50,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1106 states and 2171 transitions. [2023-11-19 03:18:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2171 transitions. [2023-11-19 03:18:50,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:18:50,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:50,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:50,826 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 03:18:50,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:50,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1108 states and 2170 transitions. [2023-11-19 03:18:50,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2170 transitions. [2023-11-19 03:18:50,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:18:50,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:50,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:51,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:18:51,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:18:51,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:51,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 1108 states and 2166 transitions. [2023-11-19 03:18:51,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2166 transitions. [2023-11-19 03:18:51,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:18:51,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:51,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:51,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:18:51,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:18:51,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:01,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:19:01,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:01,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1108 states and 2160 transitions. [2023-11-19 03:19:01,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2160 transitions. [2023-11-19 03:19:01,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:19:01,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:01,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:01,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:19:01,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:01,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:01,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:01,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1108 states and 2154 transitions. [2023-11-19 03:19:01,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2154 transitions. [2023-11-19 03:19:01,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:19:01,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:01,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:01,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:19:01,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:01,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:02,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:02,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 1108 states and 2146 transitions. [2023-11-19 03:19:02,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2146 transitions. [2023-11-19 03:19:02,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:19:02,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:02,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:02,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:19:02,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:03,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:13,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:19:23,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:19:26,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:19:26,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:26,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1121 states and 2161 transitions. [2023-11-19 03:19:26,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2161 transitions. [2023-11-19 03:19:26,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:19:26,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:26,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:26,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:19:26,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:26,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:26,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:26,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1121 states and 2159 transitions. [2023-11-19 03:19:26,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2159 transitions. [2023-11-19 03:19:26,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:19:26,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:26,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:26,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:19:26,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:36,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:19:36,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:36,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1121 states and 2157 transitions. [2023-11-19 03:19:36,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2157 transitions. [2023-11-19 03:19:36,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:19:36,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:36,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:37,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:19:37,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:37,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.