./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/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_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/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_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/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 67d7a8078c463999fbe6676df51bd105d1b2c9209543e9e47ea1846fac277ca0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:04:39,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:04:39,751 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:04:39,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:04:39,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:04:39,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:04:39,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:04:39,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:04:39,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:04:39,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:04:39,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:04:39,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:04:39,791 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:04:39,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:04:39,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:04:39,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:04:39,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:04:39,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:04:39,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:04:39,796 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:04:39,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:04:39,805 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:04:39,805 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:04:39,806 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:04:39,806 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:04:39,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:04:39,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:04:39,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:04:39,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:04:39,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:04:39,818 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:04:39,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:04:39,819 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:04:39,819 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_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d7a8078c463999fbe6676df51bd105d1b2c9209543e9e47ea1846fac277ca0 [2023-11-19 03:04:40,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:04:40,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:04:40,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:04:40,134 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:04:40,134 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:04:40,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-1.i [2023-11-19 03:04:43,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:04:43,910 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:04:43,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-1.i [2023-11-19 03:04:43,940 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/bin/ukojak-verify-G8NBE6pJGL/data/02ed7b672/a95a0ad57c024bddada7c5714b1be062/FLAG04819baf9 [2023-11-19 03:04:43,961 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/bin/ukojak-verify-G8NBE6pJGL/data/02ed7b672/a95a0ad57c024bddada7c5714b1be062 [2023-11-19 03:04:43,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:04:43,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:04:43,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:04:43,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:04:43,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:04:43,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:04:43" (1/1) ... [2023-11-19 03:04:43,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d261486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:43, skipping insertion in model container [2023-11-19 03:04:43,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:04:43" (1/1) ... [2023-11-19 03:04:44,055 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:04:44,334 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:04:44,532 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_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-1.i[33510,33523] [2023-11-19 03:04:44,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:04:44,730 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:04:44,750 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:04:44,767 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_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-1.i[33510,33523] [2023-11-19 03:04:44,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:04:44,921 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:04:44,929 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:04:44,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:44 WrapperNode [2023-11-19 03:04:44,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:04:44,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:04:44,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:04:44,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:04:44,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:44" (1/1) ... [2023-11-19 03:04:45,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:44" (1/1) ... [2023-11-19 03:04:45,141 INFO L138 Inliner]: procedures = 178, calls = 340, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1457 [2023-11-19 03:04:45,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:04:45,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:04:45,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:04:45,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:04:45,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:44" (1/1) ... [2023-11-19 03:04:45,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:44" (1/1) ... [2023-11-19 03:04:45,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:44" (1/1) ... [2023-11-19 03:04:45,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:44" (1/1) ... [2023-11-19 03:04:45,225 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:44" (1/1) ... [2023-11-19 03:04:45,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:44" (1/1) ... [2023-11-19 03:04:45,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:44" (1/1) ... [2023-11-19 03:04:45,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:44" (1/1) ... [2023-11-19 03:04:45,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:04:45,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:04:45,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:04:45,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:04:45,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:44" (1/1) ... [2023-11-19 03:04:45,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:04:45,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:04:45,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:04:45,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:04:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:04:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:04:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:04:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:04:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:04:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:04:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:04:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:04:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:04:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:04:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:04:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:04:45,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:04:45,667 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:04:45,669 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:04:47,534 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:04:49,127 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:04:49,128 INFO L302 CfgBuilder]: Removed 60 assume(true) statements. [2023-11-19 03:04:49,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:49 BoogieIcfgContainer [2023-11-19 03:04:49,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:04:49,135 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:04:49,135 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:04:49,146 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:04:49,146 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:49" (1/1) ... [2023-11-19 03:04:49,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:04:49,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:49,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 114 states and 193 transitions. [2023-11-19 03:04:49,220 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 193 transitions. [2023-11-19 03:04:49,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:04:49,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:49,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:49,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:49,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:49,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 116 states and 196 transitions. [2023-11-19 03:04:49,644 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2023-11-19 03:04:49,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:04:49,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:49,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:49,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:04:49,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:49,757 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 03:04:49,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:49,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 116 states and 192 transitions. [2023-11-19 03:04:49,767 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 192 transitions. [2023-11-19 03:04:49,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:04:49,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:49,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:49,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:04:49,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:49,864 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 03:04:49,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:49,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 116 states and 184 transitions. [2023-11-19 03:04:49,876 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 184 transitions. [2023-11-19 03:04:49,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:04:49,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:49,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:50,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:04:50,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:50,008 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 03:04:50,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:50,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 116 states and 172 transitions. [2023-11-19 03:04:50,020 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 172 transitions. [2023-11-19 03:04:50,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:04:50,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:50,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:50,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:04:50,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:50,254 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 03:05:00,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:05:10,366 WARN L539 Checker$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 03:05:10,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:10,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 116 states and 158 transitions. [2023-11-19 03:05:10,447 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 158 transitions. [2023-11-19 03:05:10,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:05:10,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:10,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:11,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:05:11,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:11,362 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 03:05:21,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:05:31,432 WARN L539 Checker$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 03:05:41,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:05:45,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:05:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:45,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-19 03:05:45,381 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-19 03:05:45,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:05:45,382 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-19 03:05:45,391 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:05:45,430 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:05:45,447 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:05:45,453 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:05:45,455 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:05:45,455 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:05:45,455 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:05:45,456 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:05:45,456 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 03:05:45,461 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:05:45,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:05:45 ImpRootNode [2023-11-19 03:05:45,462 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:05:45,463 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:05:45,463 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:05:45,463 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:05:45,464 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:49" (3/4) ... [2023-11-19 03:05:45,466 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:05:45,470 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 03:05:45,500 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 130 nodes and edges [2023-11-19 03:05:45,501 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-19 03:05:45,503 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:05:45,504 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:05:45,702 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:05:45,702 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:05:45,702 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:05:45,703 INFO L158 Benchmark]: Toolchain (without parser) took 61733.74ms. Allocated memory was 144.7MB in the beginning and 276.8MB in the end (delta: 132.1MB). Free memory was 96.9MB in the beginning and 107.4MB in the end (delta: -10.5MB). Peak memory consumption was 123.0MB. Max. memory is 16.1GB. [2023-11-19 03:05:45,704 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 144.7MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:05:45,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 958.35ms. Allocated memory is still 144.7MB. Free memory was 96.9MB in the beginning and 62.5MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 03:05:45,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 211.48ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 62.5MB in the beginning and 148.4MB in the end (delta: -85.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-19 03:05:45,706 INFO L158 Benchmark]: Boogie Preprocessor took 132.93ms. Allocated memory is still 186.6MB. Free memory was 148.4MB in the beginning and 138.1MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:05:45,706 INFO L158 Benchmark]: RCFGBuilder took 3857.78ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 138.1MB in the beginning and 66.7MB in the end (delta: 71.4MB). Peak memory consumption was 122.6MB. Max. memory is 16.1GB. [2023-11-19 03:05:45,707 INFO L158 Benchmark]: CodeCheck took 56327.63ms. Allocated memory was 224.4MB in the beginning and 276.8MB in the end (delta: 52.4MB). Free memory was 66.7MB in the beginning and 117.9MB in the end (delta: -51.2MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2023-11-19 03:05:45,707 INFO L158 Benchmark]: Witness Printer took 239.49ms. Allocated memory is still 276.8MB. Free memory was 117.9MB in the beginning and 107.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:05:45,711 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 637 SdHoareTripleChecker+Valid, 74.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 348 SdHoareTripleChecker+Invalid, 74.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102 IncrementalHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 258 mSDtfsCounter, 102 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1288 GetRequests, 1282 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1234 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 724]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 144.7MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 958.35ms. Allocated memory is still 144.7MB. Free memory was 96.9MB in the beginning and 62.5MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 211.48ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 62.5MB in the beginning and 148.4MB in the end (delta: -85.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 132.93ms. Allocated memory is still 186.6MB. Free memory was 148.4MB in the beginning and 138.1MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3857.78ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 138.1MB in the beginning and 66.7MB in the end (delta: 71.4MB). Peak memory consumption was 122.6MB. Max. memory is 16.1GB. * CodeCheck took 56327.63ms. Allocated memory was 224.4MB in the beginning and 276.8MB in the end (delta: 52.4MB). Free memory was 66.7MB in the beginning and 117.9MB in the end (delta: -51.2MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Witness Printer took 239.49ms. Allocated memory is still 276.8MB. Free memory was 117.9MB in the beginning and 107.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:05:45,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b093d4cb-d55f-4bdf-ab89-c22a38c4e281/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE