./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_83769134-0bb6-4e58-b5ea-eeed14664d3c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83769134-0bb6-4e58-b5ea-eeed14664d3c/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83769134-0bb6-4e58-b5ea-eeed14664d3c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83769134-0bb6-4e58-b5ea-eeed14664d3c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83769134-0bb6-4e58-b5ea-eeed14664d3c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83769134-0bb6-4e58-b5ea-eeed14664d3c/bin/ukojak-verify-afCqCEvfdi --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 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:11,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:11,308 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83769134-0bb6-4e58-b5ea-eeed14664d3c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:53:11,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:11,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:11,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:11,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:53:11,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:53:11,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:11,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:11,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:11,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:53:11,345 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:53:11,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:11,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:53:11,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:11,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:53:11,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:11,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:53:11,358 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:53:11,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:53:11,359 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:11,359 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:11,360 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:11,360 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:11,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:11,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:11,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:11,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:11,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:53:11,363 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:11,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:11,364 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:53:11,365 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_83769134-0bb6-4e58-b5ea-eeed14664d3c/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83769134-0bb6-4e58-b5ea-eeed14664d3c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c [2023-11-24 22:53:11,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:11,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:11,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:11,661 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:11,661 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:11,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83769134-0bb6-4e58-b5ea-eeed14664d3c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2023-11-24 22:53:14,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:15,278 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:15,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83769134-0bb6-4e58-b5ea-eeed14664d3c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2023-11-24 22:53:15,319 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83769134-0bb6-4e58-b5ea-eeed14664d3c/bin/ukojak-verify-afCqCEvfdi/data/180c24494/2d8a99d6cd2d41b9bdbb458735cc9239/FLAG46c40f710 [2023-11-24 22:53:15,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83769134-0bb6-4e58-b5ea-eeed14664d3c/bin/ukojak-verify-afCqCEvfdi/data/180c24494/2d8a99d6cd2d41b9bdbb458735cc9239 [2023-11-24 22:53:15,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:15,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:15,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:15,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:15,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:15,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:15" (1/1) ... [2023-11-24 22:53:15,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5258f222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:15, skipping insertion in model container [2023-11-24 22:53:15,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:15" (1/1) ... [2023-11-24 22:53:15,462 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:16,188 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_83769134-0bb6-4e58-b5ea-eeed14664d3c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i[33021,33034] [2023-11-24 22:53:16,644 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_83769134-0bb6-4e58-b5ea-eeed14664d3c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i[84583,84596] [2023-11-24 22:53:16,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:16,689 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:16,742 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_83769134-0bb6-4e58-b5ea-eeed14664d3c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i[33021,33034] [2023-11-24 22:53:16,905 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_83769134-0bb6-4e58-b5ea-eeed14664d3c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i[84583,84596] [2023-11-24 22:53:16,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:16,963 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:16,971 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:16,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16 WrapperNode [2023-11-24 22:53:16,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:16,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:16,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:16,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:16,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:17,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:17,188 INFO L138 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3352 [2023-11-24 22:53:17,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:17,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:17,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:17,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:17,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:17,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:17,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:17,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:17,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:17,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:17,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:17,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:17,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:17,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:17,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:17,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:17,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:16" (1/1) ... [2023-11-24 22:53:17,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:17,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83769134-0bb6-4e58-b5ea-eeed14664d3c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:17,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83769134-0bb6-4e58-b5ea-eeed14664d3c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:17,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83769134-0bb6-4e58-b5ea-eeed14664d3c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:53:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:53:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:53:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:53:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 22:53:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 22:53:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:53:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:53:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:53:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 22:53:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:53:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:53:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:53:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:17,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:17,815 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:17,819 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:21,145 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:23,237 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:23,237 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-24 22:53:23,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:23 BoogieIcfgContainer [2023-11-24 22:53:23,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:23,241 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:23,241 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:23,251 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:23,251 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:23" (1/1) ... [2023-11-24 22:53:23,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:23,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:23,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1121 states and 2202 transitions. [2023-11-24 22:53:23,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2202 transitions. [2023-11-24 22:53:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:53:23,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:23,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:23,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1121 states and 2197 transitions. [2023-11-24 22:53:23,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2197 transitions. [2023-11-24 22:53:23,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:53:23,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:23,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:23,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1123 states and 2196 transitions. [2023-11-24 22:53:23,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2196 transitions. [2023-11-24 22:53:23,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:53:23,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:23,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:24,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:53:24,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:24,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:24,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:24,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1123 states and 2192 transitions. [2023-11-24 22:53:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2192 transitions. [2023-11-24 22:53:24,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:53:24,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:24,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:24,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:53:24,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:24,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:34,328 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 [] [2023-11-24 22:53:34,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:34,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1123 states and 2186 transitions. [2023-11-24 22:53:34,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2186 transitions. [2023-11-24 22:53:34,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:53:34,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:34,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:34,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:53:34,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:34,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:34,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:34,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1123 states and 2180 transitions. [2023-11-24 22:53:34,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2180 transitions. [2023-11-24 22:53:34,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:53:34,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:34,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:34,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:53:34,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:34,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:44,887 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 [] [2023-11-24 22:53:44,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:44,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1123 states and 2172 transitions. [2023-11-24 22:53:44,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2172 transitions. [2023-11-24 22:53:44,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:53:44,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:44,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:45,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:53:45,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:45,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:55,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:54:05,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 22:54:15,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []