./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/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_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb5220aa49e6d5ce07adbf2b5e67e7c8f277342987ef62ca05a827d2ae217f75 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:54:46,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:46,358 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:54:46,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:54:46,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:54:46,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:46,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:46,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:46,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:46,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:46,411 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:46,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:54:46,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:46,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:46,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:46,415 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:54:46,415 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:54:46,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:46,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:46,416 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:54:46,417 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:46,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:46,419 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:46,420 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:46,420 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:46,421 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:46,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:46,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:46,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:46,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:46,424 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:54:46,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:54:46,424 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_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb5220aa49e6d5ce07adbf2b5e67e7c8f277342987ef62ca05a827d2ae217f75 [2023-11-19 02:54:46,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:46,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:46,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:46,836 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:46,837 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:46,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-2.i [2023-11-19 02:54:50,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:50,546 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:50,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test3-2.i [2023-11-19 02:54:50,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/bin/ukojak-verify-G8NBE6pJGL/data/cc54ec458/374a7daff9a34bc8bd436d2b23f473d4/FLAG01b5b2a15 [2023-11-19 02:54:50,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/bin/ukojak-verify-G8NBE6pJGL/data/cc54ec458/374a7daff9a34bc8bd436d2b23f473d4 [2023-11-19 02:54:50,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:50,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:50,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:50,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:50,595 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:50,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:50" (1/1) ... [2023-11-19 02:54:50,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba2f141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:50, skipping insertion in model container [2023-11-19 02:54:50,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:50" (1/1) ... [2023-11-19 02:54:50,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:51,026 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:54:51,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:51,443 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:51,464 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:54:51,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:51,620 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:51,628 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:51,634 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:51,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:51 WrapperNode [2023-11-19 02:54:51,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:51,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:51,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:51,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:51,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:51" (1/1) ... [2023-11-19 02:54:51,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:51" (1/1) ... [2023-11-19 02:54:51,800 INFO L138 Inliner]: procedures = 178, calls = 334, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 1529 [2023-11-19 02:54:51,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:51,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:51,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:51,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:51,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:51" (1/1) ... [2023-11-19 02:54:51,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:51" (1/1) ... [2023-11-19 02:54:51,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:51" (1/1) ... [2023-11-19 02:54:51,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:51" (1/1) ... [2023-11-19 02:54:51,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:51" (1/1) ... [2023-11-19 02:54:51,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:51" (1/1) ... [2023-11-19 02:54:51,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:51" (1/1) ... [2023-11-19 02:54:51,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:51" (1/1) ... [2023-11-19 02:54:51,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:51,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:51,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:51,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:51,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:51" (1/1) ... [2023-11-19 02:54:51,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:51,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:52,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:52,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:52,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:54:52,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:54:52,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:54:52,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:52,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:54:52,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:54:52,060 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:54:52,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:54:52,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:54:52,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:54:52,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:52,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:52,421 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:52,426 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:54,497 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:56,307 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:56,307 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 02:54:56,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:56 BoogieIcfgContainer [2023-11-19 02:54:56,313 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:54:56,314 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:54:56,314 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:54:56,325 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:54:56,326 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:56" (1/1) ... [2023-11-19 02:54:56,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:54:56,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:56,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 136 states and 233 transitions. [2023-11-19 02:54:56,396 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 233 transitions. [2023-11-19 02:54:56,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:54:56,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:56,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:56,748 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 02:54:56,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:56,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 137 states and 234 transitions. [2023-11-19 02:54:56,817 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2023-11-19 02:54:56,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:54:56,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:56,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:56,858 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 02:54:56,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 137 states and 232 transitions. [2023-11-19 02:54:56,874 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 232 transitions. [2023-11-19 02:54:56,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:54:56,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:56,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:57,099 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 02:54:57,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:57,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 145 states and 247 transitions. [2023-11-19 02:54:57,186 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 247 transitions. [2023-11-19 02:54:57,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:54:57,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:57,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:57,420 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 02:54:57,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:57,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 151 states and 255 transitions. [2023-11-19 02:54:57,755 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 255 transitions. [2023-11-19 02:54:57,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:54:57,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:57,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:57,805 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 02:54:57,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:57,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 150 states and 250 transitions. [2023-11-19 02:54:57,821 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 250 transitions. [2023-11-19 02:54:57,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:54:57,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:57,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:57,867 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 02:54:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:57,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 150 states and 248 transitions. [2023-11-19 02:54:57,878 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 248 transitions. [2023-11-19 02:54:57,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:54:57,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:57,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:58,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:54:58,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:58,035 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 02:54:58,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:58,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 150 states and 246 transitions. [2023-11-19 02:54:58,043 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 246 transitions. [2023-11-19 02:54:58,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:54:58,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:58,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:58,089 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 02:54:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:58,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 150 states and 242 transitions. [2023-11-19 02:54:58,099 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 242 transitions. [2023-11-19 02:54:58,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:54:58,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:58,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:58,230 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 02:54:58,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:58,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 152 states and 245 transitions. [2023-11-19 02:54:58,399 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 245 transitions. [2023-11-19 02:54:58,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:54:58,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:58,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:58,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:54:58,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:58,521 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 02:54:58,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:58,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 152 states and 241 transitions. [2023-11-19 02:54:58,528 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 241 transitions. [2023-11-19 02:54:58,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:54:58,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:58,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:58,568 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 02:54:58,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:58,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 152 states and 239 transitions. [2023-11-19 02:54:58,576 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 239 transitions. [2023-11-19 02:54:58,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:54:58,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:58,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:58,629 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 02:55:08,653 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 02:55:08,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:08,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 152 states and 237 transitions. [2023-11-19 02:55:08,671 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 237 transitions. [2023-11-19 02:55:08,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:55:08,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:08,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:08,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:55:08,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:08,825 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 02:55:08,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:08,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 152 states and 231 transitions. [2023-11-19 02:55:08,834 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 231 transitions. [2023-11-19 02:55:08,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:55:08,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:08,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:09,886 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 02:55:11,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:11,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 157 states and 240 transitions. [2023-11-19 02:55:11,128 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 240 transitions. [2023-11-19 02:55:11,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:55:11,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:11,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:11,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:55:11,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:11,335 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 02:55:12,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:55:12,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:12,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 157 states and 234 transitions. [2023-11-19 02:55:12,696 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 234 transitions. [2023-11-19 02:55:12,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:55:12,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:12,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:12,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:12,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:13,125 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 02:55:23,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:55:24,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:55:24,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:24,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 155 states and 226 transitions. [2023-11-19 02:55:24,875 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 226 transitions. [2023-11-19 02:55:24,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:55:24,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:24,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:25,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:55:25,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:25,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:35,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:55:35,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 155 states and 224 transitions. [2023-11-19 02:55:35,173 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 224 transitions. [2023-11-19 02:55:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:55:35,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:35,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:35,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:35,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:35,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:55:37,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:55:37,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2023-11-19 02:55:37,468 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-11-19 02:55:37,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:55:37,469 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2023-11-19 02:55:37,477 INFO L751 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2023-11-19 02:55:37,596 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2023-11-19 02:55:37,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[~#i~0!base := 0] could not be translated [2023-11-19 02:55:37,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 02:55:37,608 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 02:55:37,609 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 02:55:37,614 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 02:55:37,615 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 02:55:37,615 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2023-11-19 02:55:37,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[~#i~0!base := 0] could not be translated [2023-11-19 02:55:37,616 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 02:55:37,617 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 02:55:37,617 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-11-19 02:55:37,618 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[~#i~0!base := 0] could not be translated [2023-11-19 02:55:37,622 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-11-19 02:55:37,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[~#i~0!base := 0] could not be translated [2023-11-19 02:55:37,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 02:55:37,625 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 02:55:37,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:55:37 ImpRootNode [2023-11-19 02:55:37,627 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:55:37,628 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:55:37,628 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:55:37,628 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:55:37,629 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:56" (3/4) ... [2023-11-19 02:55:37,631 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:55:37,667 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 244 nodes and edges [2023-11-19 02:55:37,670 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2023-11-19 02:55:37,672 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 02:55:37,675 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:55:37,882 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:55:37,883 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:55:37,883 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:55:37,884 INFO L158 Benchmark]: Toolchain (without parser) took 47295.93ms. Allocated memory was 153.1MB in the beginning and 335.5MB in the end (delta: 182.5MB). Free memory was 118.5MB in the beginning and 115.2MB in the end (delta: 3.2MB). Peak memory consumption was 188.4MB. Max. memory is 16.1GB. [2023-11-19 02:55:37,885 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:37,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1046.20ms. Allocated memory is still 153.1MB. Free memory was 118.1MB in the beginning and 83.8MB in the end (delta: 34.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 02:55:37,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 164.51ms. Allocated memory is still 153.1MB. Free memory was 83.8MB in the beginning and 74.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 02:55:37,886 INFO L158 Benchmark]: Boogie Preprocessor took 142.82ms. Allocated memory is still 153.1MB. Free memory was 74.7MB in the beginning and 64.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:55:37,886 INFO L158 Benchmark]: RCFGBuilder took 4368.56ms. Allocated memory was 153.1MB in the beginning and 257.9MB in the end (delta: 104.9MB). Free memory was 64.1MB in the beginning and 118.3MB in the end (delta: -54.2MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. [2023-11-19 02:55:37,889 INFO L158 Benchmark]: CodeCheck took 41312.93ms. Allocated memory was 257.9MB in the beginning and 335.5MB in the end (delta: 77.6MB). Free memory was 118.3MB in the beginning and 133.1MB in the end (delta: -14.8MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2023-11-19 02:55:37,889 INFO L158 Benchmark]: Witness Printer took 255.42ms. Allocated memory is still 335.5MB. Free memory was 133.1MB in the beginning and 115.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:55:37,892 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 1 procedures, 136 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 41.1s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 2528 SdHoareTripleChecker+Valid, 136.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 525 mSDsluCounter, 1227 SdHoareTripleChecker+Invalid, 135.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 276 mSDsCounter, 286 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1558 IncrementalHoareTripleChecker+Invalid, 1853 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 286 mSolverCounterUnsat, 951 mSDtfsCounter, 1558 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2784 GetRequests, 2709 SyntacticMatches, 25 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 756 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1871 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 18/18 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: 720]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 720]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 732]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (0 <= (((-1 * bound) / 4294967296) + (bound / 4294967296))) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1046.20ms. Allocated memory is still 153.1MB. Free memory was 118.1MB in the beginning and 83.8MB in the end (delta: 34.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 164.51ms. Allocated memory is still 153.1MB. Free memory was 83.8MB in the beginning and 74.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 142.82ms. Allocated memory is still 153.1MB. Free memory was 74.7MB in the beginning and 64.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4368.56ms. Allocated memory was 153.1MB in the beginning and 257.9MB in the end (delta: 104.9MB). Free memory was 64.1MB in the beginning and 118.3MB in the end (delta: -54.2MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. * CodeCheck took 41312.93ms. Allocated memory was 257.9MB in the beginning and 335.5MB in the end (delta: 77.6MB). Free memory was 118.3MB in the beginning and 133.1MB in the end (delta: -14.8MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * Witness Printer took 255.42ms. Allocated memory is still 335.5MB. Free memory was 133.1MB in the beginning and 115.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[~#i~0!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[~#i~0!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[~#i~0!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[~#i~0!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 02:55:37,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94aab5ec-1c54-4c3e-bcce-9784b9c7cecf/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