./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_06_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_a2af61aa-b438-4718-ba78-17ccd7267456/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2af61aa-b438-4718-ba78-17ccd7267456/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_a2af61aa-b438-4718-ba78-17ccd7267456/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2af61aa-b438-4718-ba78-17ccd7267456/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_06_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2af61aa-b438-4718-ba78-17ccd7267456/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2af61aa-b438-4718-ba78-17ccd7267456/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6e6aedaa36de2a3e24c3e02d4ac6f4797594169e7d60798bc19b7672556b0a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:00:54,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:00:54,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2af61aa-b438-4718-ba78-17ccd7267456/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:00:54,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:00:54,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:00:54,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:00:54,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:00:54,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:00:54,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:00:54,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:00:54,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:00:54,471 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:00:54,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:00:54,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:00:54,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:00:54,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:00:54,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:00:54,474 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:00:54,475 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:00:54,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:00:54,476 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:00:54,477 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:00:54,477 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:00:54,478 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:00:54,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:00:54,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:00:54,479 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:00:54,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:00:54,480 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:00:54,481 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:00:54,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:00:54,481 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:00:54,482 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_a2af61aa-b438-4718-ba78-17ccd7267456/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2af61aa-b438-4718-ba78-17ccd7267456/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6e6aedaa36de2a3e24c3e02d4ac6f4797594169e7d60798bc19b7672556b0a3 [2023-11-19 03:00:54,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:00:54,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:00:54,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:00:54,749 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:00:54,750 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:00:54,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2af61aa-b438-4718-ba78-17ccd7267456/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_06_good.i [2023-11-19 03:00:57,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:00:58,330 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:00:58,333 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2af61aa-b438-4718-ba78-17ccd7267456/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_06_good.i [2023-11-19 03:00:58,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2af61aa-b438-4718-ba78-17ccd7267456/bin/ukojak-verify-G8NBE6pJGL/data/8ca917149/3fd1a42c39a149858b569b059a8a83b8/FLAG9cade17bd [2023-11-19 03:00:58,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2af61aa-b438-4718-ba78-17ccd7267456/bin/ukojak-verify-G8NBE6pJGL/data/8ca917149/3fd1a42c39a149858b569b059a8a83b8 [2023-11-19 03:00:58,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:00:58,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:00:58,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:00:58,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:00:58,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:00:58,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:00:58" (1/1) ... [2023-11-19 03:00:58,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9ca9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:58, skipping insertion in model container [2023-11-19 03:00:58,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:00:58" (1/1) ... [2023-11-19 03:00:58,497 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:00:58,968 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:00:59,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:00:59,632 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:00:59,653 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:00:59,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:00:59,850 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:00:59,850 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:00:59,850 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:00:59,851 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:00:59,851 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:00:59,851 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:00:59,859 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:00:59,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59 WrapperNode [2023-11-19 03:00:59,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:00:59,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:00:59,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:00:59,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:00:59,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2023-11-19 03:00:59,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2023-11-19 03:00:59,934 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2023-11-19 03:00:59,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:00:59,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:00:59,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:00:59,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:00:59,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2023-11-19 03:00:59,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2023-11-19 03:00:59,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2023-11-19 03:00:59,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2023-11-19 03:00:59,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2023-11-19 03:00:59,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2023-11-19 03:00:59,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2023-11-19 03:00:59,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2023-11-19 03:00:59,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:00:59,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:00:59,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:00:59,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:00:59,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:59" (1/1) ... [2023-11-19 03:01:00,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:00,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2af61aa-b438-4718-ba78-17ccd7267456/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:01:00,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2af61aa-b438-4718-ba78-17ccd7267456/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:01:00,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2af61aa-b438-4718-ba78-17ccd7267456/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:01:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:01:00,106 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:01:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:01:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:01:00,107 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:01:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:01:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:01:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:01:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:01:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:01:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:01:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:01:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:01:00,426 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:01:00,428 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:01:00,624 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:01:00,667 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:01:00,668 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:01:00,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:00 BoogieIcfgContainer [2023-11-19 03:01:00,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:01:00,681 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:01:00,681 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:01:00,691 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:01:00,691 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:00" (1/1) ... [2023-11-19 03:01:00,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:01:00,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2023-11-19 03:01:00,756 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-19 03:01:00,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:01:00,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:00,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:01,029 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 03:01:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:01,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 76 transitions. [2023-11-19 03:01:01,099 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-19 03:01:01,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:01:01,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:01,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:01,315 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 03:01:01,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:01,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 56 states and 75 transitions. [2023-11-19 03:01:01,355 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2023-11-19 03:01:01,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:01:01,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:01,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:01,588 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 03:01:01,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:01,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 61 states and 82 transitions. [2023-11-19 03:01:01,697 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-11-19 03:01:01,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:01:01,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:01,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:01,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:01:01,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:01,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 74 transitions. [2023-11-19 03:01:01,977 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-19 03:01:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:01:01,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:01,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:02,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:01:02,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 76 transitions. [2023-11-19 03:01:02,206 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-19 03:01:02,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:01:02,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:02,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:02,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:01:02,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 79 transitions. [2023-11-19 03:01:02,299 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2023-11-19 03:01:02,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:01:02,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:02,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:02,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:01:02,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 73 transitions. [2023-11-19 03:01:02,403 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2023-11-19 03:01:02,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:01:02,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:02,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:02,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:01:02,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:02,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 72 transitions. [2023-11-19 03:01:02,621 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2023-11-19 03:01:02,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:01:02,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:02,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:02,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:01:02,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:02,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 80 transitions. [2023-11-19 03:01:02,943 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2023-11-19 03:01:02,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:01:02,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:02,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:02,989 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 03:01:03,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:03,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 76 transitions. [2023-11-19 03:01:03,299 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2023-11-19 03:01:03,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:01:03,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:03,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:03,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:01:03,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:03,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 60 states and 78 transitions. [2023-11-19 03:01:03,504 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2023-11-19 03:01:03,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:01:03,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:03,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:03,646 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:01:03,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:03,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 54 states and 70 transitions. [2023-11-19 03:01:03,867 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-19 03:01:03,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:01:03,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:03,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:03,938 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:01:04,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:04,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 67 transitions. [2023-11-19 03:01:04,024 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2023-11-19 03:01:04,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:01:04,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:04,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:01:04,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:04,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 54 states and 71 transitions. [2023-11-19 03:01:04,260 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-19 03:01:04,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:01:04,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:04,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:01:04,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:04,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 57 states and 76 transitions. [2023-11-19 03:01:04,658 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-19 03:01:04,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:01:04,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:04,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:01:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 59 states and 78 transitions. [2023-11-19 03:01:04,756 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2023-11-19 03:01:04,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:01:04,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:04,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:04,800 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:01:04,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:04,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 60 states and 79 transitions. [2023-11-19 03:01:04,973 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2023-11-19 03:01:04,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:01:04,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:04,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:05,020 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:01:05,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:05,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 49 states and 61 transitions. [2023-11-19 03:01:05,370 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2023-11-19 03:01:05,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:01:05,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:05,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:05,593 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:01:06,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:06,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 48 states and 60 transitions. [2023-11-19 03:01:06,132 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-19 03:01:06,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:01:06,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:06,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:06,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:01:06,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:06,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 59 transitions. [2023-11-19 03:01:06,790 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-19 03:01:06,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:01:06,791 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2023-11-19 03:01:06,801 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 03:01:06,993 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:01:06,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:01:06 ImpRootNode [2023-11-19 03:01:06,999 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:01:06,999 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:01:06,999 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:01:06,999 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:01:07,000 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:00" (3/4) ... [2023-11-19 03:01:07,004 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:01:07,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 03:01:07,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 03:01:07,016 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 03:01:07,016 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 03:01:07,017 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:01:07,017 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:01:07,018 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:01:07,140 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2af61aa-b438-4718-ba78-17ccd7267456/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:01:07,141 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2af61aa-b438-4718-ba78-17ccd7267456/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:01:07,141 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:01:07,142 INFO L158 Benchmark]: Toolchain (without parser) took 8740.95ms. Allocated memory was 130.0MB in the beginning and 213.9MB in the end (delta: 83.9MB). Free memory was 80.4MB in the beginning and 109.8MB in the end (delta: -29.4MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2023-11-19 03:01:07,142 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:01:07,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1455.50ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 80.1MB in the beginning and 100.9MB in the end (delta: -20.9MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-11-19 03:01:07,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.97ms. Allocated memory is still 178.3MB. Free memory was 100.9MB in the beginning and 97.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:01:07,144 INFO L158 Benchmark]: Boogie Preprocessor took 52.68ms. Allocated memory is still 178.3MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:01:07,144 INFO L158 Benchmark]: RCFGBuilder took 691.37ms. Allocated memory is still 178.3MB. Free memory was 95.4MB in the beginning and 127.2MB in the end (delta: -31.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:01:07,145 INFO L158 Benchmark]: CodeCheck took 6317.34ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 127.2MB in the beginning and 116.1MB in the end (delta: 11.1MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2023-11-19 03:01:07,145 INFO L158 Benchmark]: Witness Printer took 142.15ms. Allocated memory is still 213.9MB. Free memory was 116.1MB in the beginning and 109.8MB in the end (delta: 6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:01:07,147 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 3 procedures, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2424 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 750 mSDsluCounter, 2180 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 666 mSDsCounter, 610 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1951 IncrementalHoareTripleChecker+Invalid, 2561 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 610 mSolverCounterUnsat, 1514 mSDtfsCounter, 1951 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4086 GetRequests, 3978 SyntacticMatches, 10 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3654 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 447 NumberOfCodeBlocks, 447 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 427 ConstructedInterpolants, 0 QuantifiedInterpolants, 861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 78/78 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: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1632]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1632]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1667]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1455.50ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 80.1MB in the beginning and 100.9MB in the end (delta: -20.9MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.97ms. Allocated memory is still 178.3MB. Free memory was 100.9MB in the beginning and 97.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.68ms. Allocated memory is still 178.3MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 691.37ms. Allocated memory is still 178.3MB. Free memory was 95.4MB in the beginning and 127.2MB in the end (delta: -31.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 6317.34ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 127.2MB in the beginning and 116.1MB in the end (delta: 11.1MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Witness Printer took 142.15ms. Allocated memory is still 213.9MB. Free memory was 116.1MB in the beginning and 109.8MB in the end (delta: 6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:01:07,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2af61aa-b438-4718-ba78-17ccd7267456/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