./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/gcd_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --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 32bit --witnessprinter.graph.data.programhash 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:51:55,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:51:55,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:51:55,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:51:55,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:51:55,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:51:55,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:51:55,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:51:55,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:51:55,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:51:55,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:51:55,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:51:55,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:51:55,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:51:55,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:51:55,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:51:55,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:51:55,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:51:55,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:51:55,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:51:55,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:51:55,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:51:55,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:51:55,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:51:55,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:51:55,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:51:55,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:51:55,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:51:55,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:51:55,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:51:55,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:51:55,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:51:55,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:51:55,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:51:55,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:51:55,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:51:55,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:51:55,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:51:55,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:51:55,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:51:55,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:51:55,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 04:51:56,034 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:51:56,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:51:56,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:51:56,035 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:51:56,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:51:56,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:51:56,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:51:56,036 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:51:56,037 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 04:51:56,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:51:56,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:51:56,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:51:56,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:51:56,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:51:56,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:51:56,038 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 04:51:56,038 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:51:56,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:51:56,039 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:51:56,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:51:56,039 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:51:56,039 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:51:56,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:51:56,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:51:56,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:51:56,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:51:56,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:51:56,040 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:51:56,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:51:56,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:51:56,041 INFO L138 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_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef [2021-11-21 04:51:56,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:51:56,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:51:56,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:51:56,324 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:51:56,325 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:51:56,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/bitvector/gcd_4.c [2021-11-21 04:51:56,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN/data/2a3a68d8e/e2b9e8c09a174e558bc98a2327de2d61/FLAG9388396e3 [2021-11-21 04:51:56,822 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:51:56,823 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/sv-benchmarks/c/bitvector/gcd_4.c [2021-11-21 04:51:56,830 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN/data/2a3a68d8e/e2b9e8c09a174e558bc98a2327de2d61/FLAG9388396e3 [2021-11-21 04:51:57,227 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN/data/2a3a68d8e/e2b9e8c09a174e558bc98a2327de2d61 [2021-11-21 04:51:57,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:51:57,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:51:57,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:51:57,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:51:57,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:51:57,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:51:57" (1/1) ... [2021-11-21 04:51:57,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fd20d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:57, skipping insertion in model container [2021-11-21 04:51:57,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:51:57" (1/1) ... [2021-11-21 04:51:57,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:51:57,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:51:57,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/sv-benchmarks/c/bitvector/gcd_4.c[662,675] [2021-11-21 04:51:57,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:51:57,450 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:51:57,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/sv-benchmarks/c/bitvector/gcd_4.c[662,675] [2021-11-21 04:51:57,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:51:57,480 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:51:57,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:57 WrapperNode [2021-11-21 04:51:57,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:51:57,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:51:57,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:51:57,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:51:57,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:57" (1/1) ... [2021-11-21 04:51:57,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:57" (1/1) ... [2021-11-21 04:51:57,514 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2021-11-21 04:51:57,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:51:57,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:51:57,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:51:57,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:51:57,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:57" (1/1) ... [2021-11-21 04:51:57,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:57" (1/1) ... [2021-11-21 04:51:57,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:57" (1/1) ... [2021-11-21 04:51:57,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:57" (1/1) ... [2021-11-21 04:51:57,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:57" (1/1) ... [2021-11-21 04:51:57,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:57" (1/1) ... [2021-11-21 04:51:57,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:57" (1/1) ... [2021-11-21 04:51:57,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:51:57,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:51:57,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:51:57,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:51:57,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:51:57" (1/1) ... [2021-11-21 04:51:57,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:51:57,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:51:57,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:51:57,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:51:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:51:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:51:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:51:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:51:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 04:51:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 04:51:57,668 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:51:57,670 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:51:57,800 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:51:57,821 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:51:57,822 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 04:51:57,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:51:57 BoogieIcfgContainer [2021-11-21 04:51:57,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:51:57,825 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:51:57,825 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:51:57,835 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:51:57,835 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:51:57" (1/1) ... [2021-11-21 04:51:57,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:51:57,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:57,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2021-11-21 04:51:57,902 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2021-11-21 04:51:57,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 04:51:57,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:57,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:58,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:58,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2021-11-21 04:51:58,185 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-11-21 04:51:58,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:51:58,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:58,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:58,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:58,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:58,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2021-11-21 04:51:58,360 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-11-21 04:51:58,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 04:51:58,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:58,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:58,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:58,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-11-21 04:51:58,618 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-21 04:51:58,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 04:51:58,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:58,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:58,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:59,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:59,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2021-11-21 04:51:59,027 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2021-11-21 04:51:59,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:51:59,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:59,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:59,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-11-21 04:51:59,145 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-21 04:51:59,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:51:59,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:59,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:59,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:59,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:59,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2021-11-21 04:51:59,237 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2021-11-21 04:51:59,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:51:59,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:59,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:59,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:51:59,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:51:59,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2021-11-21 04:51:59,714 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2021-11-21 04:51:59,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:51:59,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:51:59,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:51:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:51:59,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:00,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:00,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2021-11-21 04:52:00,381 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2021-11-21 04:52:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:52:00,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:00,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:00,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:00,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:00,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2021-11-21 04:52:00,679 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2021-11-21 04:52:00,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:52:00,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:00,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:00,838 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:01,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:01,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2021-11-21 04:52:01,198 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2021-11-21 04:52:01,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:52:01,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:01,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:01,317 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:02,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:02,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 85 transitions. [2021-11-21 04:52:02,226 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2021-11-21 04:52:02,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:52:02,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:02,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:02,363 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 56 states and 100 transitions. [2021-11-21 04:52:03,094 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2021-11-21 04:52:03,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:52:03,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:03,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:03,210 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:03,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:03,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 60 states and 111 transitions. [2021-11-21 04:52:03,954 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 111 transitions. [2021-11-21 04:52:03,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:52:03,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:03,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:03,980 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:04,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:04,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 61 states and 113 transitions. [2021-11-21 04:52:04,142 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2021-11-21 04:52:04,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:52:04,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:04,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:04,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:04,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 63 states and 118 transitions. [2021-11-21 04:52:04,415 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 118 transitions. [2021-11-21 04:52:04,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:52:04,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:04,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:04,654 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:05,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:05,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 65 states and 122 transitions. [2021-11-21 04:52:05,073 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2021-11-21 04:52:05,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:52:05,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:05,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:05,278 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:06,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:06,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 71 states and 134 transitions. [2021-11-21 04:52:06,472 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 134 transitions. [2021-11-21 04:52:06,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:52:06,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:06,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:07,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:07,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 76 states and 147 transitions. [2021-11-21 04:52:07,334 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 147 transitions. [2021-11-21 04:52:07,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:52:07,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:07,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:07,356 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 80 states and 155 transitions. [2021-11-21 04:52:07,800 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 155 transitions. [2021-11-21 04:52:07,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:52:07,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:07,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:07,823 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:08,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:08,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2021-11-21 04:52:08,067 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2021-11-21 04:52:08,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:52:08,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:08,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:08,092 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:08,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:08,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 87 states and 169 transitions. [2021-11-21 04:52:08,972 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 169 transitions. [2021-11-21 04:52:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:52:08,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:08,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:52:09,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:09,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 89 states and 172 transitions. [2021-11-21 04:52:09,440 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 172 transitions. [2021-11-21 04:52:09,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:52:09,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:09,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 04:52:10,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 98 states and 185 transitions. [2021-11-21 04:52:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 185 transitions. [2021-11-21 04:52:10,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:52:10,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:10,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:13,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:13,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 106 states and 206 transitions. [2021-11-21 04:52:13,031 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 206 transitions. [2021-11-21 04:52:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:52:13,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:13,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:13,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:13,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 109 states and 211 transitions. [2021-11-21 04:52:13,547 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 211 transitions. [2021-11-21 04:52:13,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:52:13,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:13,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:15,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:15,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 115 states and 227 transitions. [2021-11-21 04:52:15,480 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 227 transitions. [2021-11-21 04:52:15,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:52:15,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:15,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:15,503 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 31 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 04:52:16,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:16,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 119 states and 235 transitions. [2021-11-21 04:52:16,058 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 235 transitions. [2021-11-21 04:52:16,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:52:16,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:16,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:16,083 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:16,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:16,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 121 states and 238 transitions. [2021-11-21 04:52:16,407 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 238 transitions. [2021-11-21 04:52:16,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:52:16,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:16,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:16,888 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:18,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:18,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 126 states and 249 transitions. [2021-11-21 04:52:18,103 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 249 transitions. [2021-11-21 04:52:18,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:52:18,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:18,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:18,136 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:18,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:18,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 127 states and 251 transitions. [2021-11-21 04:52:18,471 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 251 transitions. [2021-11-21 04:52:18,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:52:18,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:18,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:18,496 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:19,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 129 states and 259 transitions. [2021-11-21 04:52:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 259 transitions. [2021-11-21 04:52:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:52:19,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:19,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:19,194 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 04:52:20,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:20,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 134 states and 270 transitions. [2021-11-21 04:52:20,415 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 270 transitions. [2021-11-21 04:52:20,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:52:20,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:20,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:20,855 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 24 proven. 42 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:52:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 138 states and 280 transitions. [2021-11-21 04:52:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 280 transitions. [2021-11-21 04:52:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:52:21,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:21,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:21,927 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 04:52:22,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:22,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 141 states and 284 transitions. [2021-11-21 04:52:22,515 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 284 transitions. [2021-11-21 04:52:22,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:52:22,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:22,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:22,544 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:52:22,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:22,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 143 states and 287 transitions. [2021-11-21 04:52:22,883 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 287 transitions. [2021-11-21 04:52:22,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 04:52:22,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:22,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:23,023 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 04:52:23,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:23,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 145 states and 292 transitions. [2021-11-21 04:52:23,550 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 292 transitions. [2021-11-21 04:52:23,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 04:52:23,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:23,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:23,676 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 04:52:24,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:24,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 147 states and 296 transitions. [2021-11-21 04:52:24,141 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 296 transitions. [2021-11-21 04:52:24,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 04:52:24,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:24,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 22 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:25,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:25,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 151 states and 301 transitions. [2021-11-21 04:52:25,755 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 301 transitions. [2021-11-21 04:52:25,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 04:52:25,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:25,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:26,451 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 74 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:52:28,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2021-11-21 04:52:28,539 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2021-11-21 04:52:28,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 04:52:28,540 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 40 iterations. [2021-11-21 04:52:28,548 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2021-11-21 04:52:28,665 INFO L560 CodeCheckObserver]: Invariant with dag size 41 [2021-11-21 04:52:28,721 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 04:52:28,721 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 04:52:28,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 04:52:28 ImpRootNode [2021-11-21 04:52:28,722 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 04:52:28,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 04:52:28,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 04:52:28,723 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 04:52:28,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:51:57" (3/4) ... [2021-11-21 04:52:28,726 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 04:52:28,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-21 04:52:28,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-11-21 04:52:28,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-21 04:52:28,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 04:52:28,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 04:52:28,779 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 04:52:28,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 04:52:28,780 INFO L158 Benchmark]: Toolchain (without parser) took 31549.95ms. Allocated memory was 104.9MB in the beginning and 264.2MB in the end (delta: 159.4MB). Free memory was 63.0MB in the beginning and 208.1MB in the end (delta: -145.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-11-21 04:52:28,781 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:52:28,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.20ms. Allocated memory is still 104.9MB. Free memory was 62.8MB in the beginning and 79.6MB in the end (delta: -16.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 04:52:28,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.08ms. Allocated memory is still 104.9MB. Free memory was 79.6MB in the beginning and 78.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:52:28,782 INFO L158 Benchmark]: Boogie Preprocessor took 32.64ms. Allocated memory is still 104.9MB. Free memory was 78.1MB in the beginning and 77.2MB in the end (delta: 909.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:52:28,783 INFO L158 Benchmark]: RCFGBuilder took 275.65ms. Allocated memory is still 104.9MB. Free memory was 77.2MB in the beginning and 66.1MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 04:52:28,784 INFO L158 Benchmark]: CodeCheck took 30896.38ms. Allocated memory was 104.9MB in the beginning and 264.2MB in the end (delta: 159.4MB). Free memory was 66.1MB in the beginning and 210.2MB in the end (delta: -144.1MB). Peak memory consumption was 161.4MB. Max. memory is 16.1GB. [2021-11-21 04:52:28,784 INFO L158 Benchmark]: Witness Printer took 57.20ms. Allocated memory is still 264.2MB. Free memory was 210.2MB in the beginning and 208.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:52:28,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 30 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 30.7s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6978 SdHoareTripleChecker+Valid, 34.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6426 mSDsluCounter, 154 SdHoareTripleChecker+Invalid, 27.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 3923 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26269 IncrementalHoareTripleChecker+Invalid, 30192 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3923 mSolverCounterUnsat, 78 mSDtfsCounter, 26269 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8503 GetRequests, 7478 SyntacticMatches, 547 SemanticMatches, 478 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133471 ImplicationChecksByTransitivity, 26.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 800 NumberOfCodeBlocks, 800 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 761 ConstructedInterpolants, 0 QuantifiedInterpolants, 4527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 7 PerfectInterpolantSequences, 256/1133 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: 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: 29]: Loop Invariant Derived loop invariant: ((((((2 * b + 9 <= a && a + 9 <= 3 * b) && b <= 18) || (((63 <= a && 18 <= b) && a <= 63) && b <= 18)) || ((b + 9 <= 2 * a && a + 9 <= 2 * b) && a <= 9)) || ((b + 9 <= 3 * a && a + 9 <= b) && 3 * b + a <= 63)) || ((a <= 3 * b + 9 && b <= 0) && 2 * b + 9 <= a)) || ((a + 2 * b <= 63 && b + 9 <= a) && a + 9 <= 2 * b) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.20ms. Allocated memory is still 104.9MB. Free memory was 62.8MB in the beginning and 79.6MB in the end (delta: -16.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.08ms. Allocated memory is still 104.9MB. Free memory was 79.6MB in the beginning and 78.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.64ms. Allocated memory is still 104.9MB. Free memory was 78.1MB in the beginning and 77.2MB in the end (delta: 909.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 275.65ms. Allocated memory is still 104.9MB. Free memory was 77.2MB in the beginning and 66.1MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 30896.38ms. Allocated memory was 104.9MB in the beginning and 264.2MB in the end (delta: 159.4MB). Free memory was 66.1MB in the beginning and 210.2MB in the end (delta: -144.1MB). Peak memory consumption was 161.4MB. Max. memory is 16.1GB. * Witness Printer took 57.20ms. Allocated memory is still 264.2MB. Free memory was 210.2MB in the beginning and 208.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 04:52:28,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d959607-e4d1-4948-967a-4cd0865b42a2/bin/ukojak-vF6T2TMglN/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