./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.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_3410ec03-83f6-43e2-867e-a4c79cc2bee4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410ec03-83f6-43e2-867e-a4c79cc2bee4/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_3410ec03-83f6-43e2-867e-a4c79cc2bee4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410ec03-83f6-43e2-867e-a4c79cc2bee4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410ec03-83f6-43e2-867e-a4c79cc2bee4/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_3410ec03-83f6-43e2-867e-a4c79cc2bee4/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 a2f43006c9a8080eee594d7c3e874c7ea5bb3a923f26b30531e1d07ef5cff7d9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:47:48,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:48,120 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410ec03-83f6-43e2-867e-a4c79cc2bee4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:47:48,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:47:48,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:47:48,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:48,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:47:48,156 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:47:48,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:48,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:48,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:48,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:47:48,160 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:47:48,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:47:48,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:47:48,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:48,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:47:48,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:48,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:47:48,165 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:47:48,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:47:48,166 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:48,167 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:48,167 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:48,168 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:48,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:48,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:48,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:48,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:48,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:47:48,171 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:47:48,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:47:48,180 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:47:48,180 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_3410ec03-83f6-43e2-867e-a4c79cc2bee4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410ec03-83f6-43e2-867e-a4c79cc2bee4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2f43006c9a8080eee594d7c3e874c7ea5bb3a923f26b30531e1d07ef5cff7d9 [2023-11-19 02:47:48,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:48,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:48,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:48,565 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:48,566 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:48,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410ec03-83f6-43e2-867e-a4c79cc2bee4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i [2023-11-19 02:47:51,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:52,298 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:52,299 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410ec03-83f6-43e2-867e-a4c79cc2bee4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i [2023-11-19 02:47:52,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410ec03-83f6-43e2-867e-a4c79cc2bee4/bin/ukojak-verify-G8NBE6pJGL/data/d359224de/100145206eec4a99823eb105573046e1/FLAGaa93e09c5 [2023-11-19 02:47:52,347 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410ec03-83f6-43e2-867e-a4c79cc2bee4/bin/ukojak-verify-G8NBE6pJGL/data/d359224de/100145206eec4a99823eb105573046e1 [2023-11-19 02:47:52,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:52,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:52,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:52,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:52,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:52,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:52" (1/1) ... [2023-11-19 02:47:52,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458c4b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:52, skipping insertion in model container [2023-11-19 02:47:52,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:52" (1/1) ... [2023-11-19 02:47:52,474 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:52,937 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_3410ec03-83f6-43e2-867e-a4c79cc2bee4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i[33021,33034] [2023-11-19 02:47:53,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:53,070 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:53,101 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_3410ec03-83f6-43e2-867e-a4c79cc2bee4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-1.i[33021,33034] [2023-11-19 02:47:53,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:53,196 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:53,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:53 WrapperNode [2023-11-19 02:47:53,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:53,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:53,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:53,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:53,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:53" (1/1) ... [2023-11-19 02:47:53,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:53" (1/1) ... [2023-11-19 02:47:53,340 INFO L138 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 790 [2023-11-19 02:47:53,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:53,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:53,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:53,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:53,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:53" (1/1) ... [2023-11-19 02:47:53,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:53" (1/1) ... [2023-11-19 02:47:53,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:53" (1/1) ... [2023-11-19 02:47:53,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:53" (1/1) ... [2023-11-19 02:47:53,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:53" (1/1) ... [2023-11-19 02:47:53,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:53" (1/1) ... [2023-11-19 02:47:53,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:53" (1/1) ... [2023-11-19 02:47:53,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:53" (1/1) ... [2023-11-19 02:47:53,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:47:53,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:47:53,498 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:47:53,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:47:53,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:53" (1/1) ... [2023-11-19 02:47:53,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:53,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410ec03-83f6-43e2-867e-a4c79cc2bee4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:47:53,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410ec03-83f6-43e2-867e-a4c79cc2bee4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:47:53,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3410ec03-83f6-43e2-867e-a4c79cc2bee4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:47:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:47:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:47:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:47:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:47:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 02:47:53,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 02:47:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:47:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:47:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:47:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:47:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:47:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:47:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:47:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:47:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:47:53,827 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:47:53,830 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:47:55,239 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:47:56,363 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:47:56,363 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-19 02:47:56,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:56 BoogieIcfgContainer [2023-11-19 02:47:56,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:47:56,371 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:47:56,371 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:47:56,383 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:47:56,384 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:56" (1/1) ... [2023-11-19 02:47:56,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:47:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:56,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 85 states and 144 transitions. [2023-11-19 02:47:56,467 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 144 transitions. [2023-11-19 02:47:56,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:47:56,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:56,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:56,687 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 02:47:56,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:56,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 86 states and 145 transitions. [2023-11-19 02:47:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 145 transitions. [2023-11-19 02:47:56,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:47:56,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:56,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:56,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:56,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:56,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:56,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:56,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 86 states and 143 transitions. [2023-11-19 02:47:56,833 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 143 transitions. [2023-11-19 02:47:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:47:56,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:56,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:56,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:56,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:56,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:56,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:56,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 86 states and 139 transitions. [2023-11-19 02:47:56,919 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 139 transitions. [2023-11-19 02:47:56,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:47:56,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:56,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:57,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:57,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:57,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 86 states and 133 transitions. [2023-11-19 02:47:57,059 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 133 transitions. [2023-11-19 02:47:57,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:47:57,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:57,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:57,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:47:57,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:57,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:07,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:48:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:07,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 86 states and 127 transitions. [2023-11-19 02:48:07,427 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 127 transitions. [2023-11-19 02:48:07,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:48:07,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:07,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:07,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:07,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:17,835 WARN L539 Checker$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 02:48:27,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:48:37,849 WARN L539 Checker$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 02:48:43,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:48:43,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:43,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 113 states and 160 transitions. [2023-11-19 02:48:43,926 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 160 transitions. [2023-11-19 02:48:43,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:48:43,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:43,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:44,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:48:44,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:44,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:44,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:44,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 113 states and 158 transitions. [2023-11-19 02:48:44,197 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 158 transitions. [2023-11-19 02:48:44,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:48:44,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:44,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:44,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:48:44,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:44,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:44,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 113 states and 156 transitions. [2023-11-19 02:48:44,454 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 156 transitions. [2023-11-19 02:48:44,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:48:44,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:44,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:44,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:48:44,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:44,744 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 02:48:54,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:48:54,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:54,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 111 states and 150 transitions. [2023-11-19 02:48:54,775 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 150 transitions. [2023-11-19 02:48:54,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:48:54,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:54,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:55,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:48:55,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:55,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:55,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 111 states and 148 transitions. [2023-11-19 02:48:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 148 transitions. [2023-11-19 02:48:55,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:48:55,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:55,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:55,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:48:55,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:55,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:55,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:55,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 111 states and 147 transitions. [2023-11-19 02:48:55,606 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 147 transitions. [2023-11-19 02:48:55,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:48:55,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:55,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:55,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:55,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:56,053 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 02:48:56,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:56,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 120 states and 158 transitions. [2023-11-19 02:48:56,377 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 158 transitions. [2023-11-19 02:48:56,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:48:56,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:56,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:56,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:56,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:56,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:48:56,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:56,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 129 states and 168 transitions. [2023-11-19 02:48:56,840 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 168 transitions. [2023-11-19 02:48:56,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:48:56,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:56,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:57,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:57,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:57,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:57,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:57,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 130 states and 170 transitions. [2023-11-19 02:48:57,661 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 170 transitions. [2023-11-19 02:48:57,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:48:57,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:57,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:58,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:48:58,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:58,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:58,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:58,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 130 states and 168 transitions. [2023-11-19 02:48:58,076 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 168 transitions. [2023-11-19 02:48:58,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:48:58,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:58,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms