./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_07_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_07_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ --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 64bit --witnessprinter.graph.data.programhash f6240f723b56be2063934bdc807d1a5052162c50bd14e1ab9fe99bcb831fda0c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:44:58,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:44:58,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:44:58,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:44:58,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:44:58,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:44:58,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:44:58,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:44:58,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:44:58,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:44:58,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:44:58,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:44:58,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:44:58,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:44:58,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:44:58,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:44:58,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:44:58,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:44:58,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:44:58,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:44:58,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:44:58,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:44:58,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:44:58,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:44:58,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:44:58,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:44:58,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:44:58,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:44:58,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:44:58,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:44:58,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:44:58,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:44:58,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:44:58,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:44:58,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:44:58,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:44:58,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:44:58,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:44:58,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:44:58,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:44:58,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:44:58,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:44:58,806 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:44:58,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:44:58,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:44:58,807 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:44:58,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:44:58,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:44:58,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:44:58,808 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:44:58,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:44:58,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:44:58,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:44:58,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:44:58,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:44:58,810 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:44:58,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:44:58,810 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:44:58,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:44:58,810 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:44:58,811 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:44:58,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:44:58,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:44:58,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:44:58,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:44:58,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:44:58,812 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:44:58,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:44:58,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:44:58,813 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_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6240f723b56be2063934bdc807d1a5052162c50bd14e1ab9fe99bcb831fda0c [2022-11-20 16:44:59,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:44:59,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:44:59,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:44:59,137 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:44:59,138 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:44:59,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_07_good.i [2022-11-20 16:45:02,133 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:45:02,544 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:45:02,545 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c072286-f2a4-41ea-8742-d3f42ff8e389/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_07_good.i [2022-11-20 16:45:02,574 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ/data/1381640b3/6b9623733e664f4ead46c4400fee0ed6/FLAG032da17ad [2022-11-20 16:45:02,594 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ/data/1381640b3/6b9623733e664f4ead46c4400fee0ed6 [2022-11-20 16:45:02,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:45:02,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:45:02,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:02,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:45:02,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:45:02,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:02" (1/1) ... [2022-11-20 16:45:02,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf1fc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:02, skipping insertion in model container [2022-11-20 16:45:02,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:02" (1/1) ... [2022-11-20 16:45:02,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:45:02,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:45:03,149 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:45:03,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:03,710 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:45:03,744 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:45:03,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:03,983 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:45:03,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:03 WrapperNode [2022-11-20 16:45:03,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:03,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:03,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:45:03,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:45:03,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:03" (1/1) ... [2022-11-20 16:45:04,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:03" (1/1) ... [2022-11-20 16:45:04,089 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 120 [2022-11-20 16:45:04,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:04,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:45:04,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:45:04,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:45:04,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:03" (1/1) ... [2022-11-20 16:45:04,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:03" (1/1) ... [2022-11-20 16:45:04,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:03" (1/1) ... [2022-11-20 16:45:04,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:03" (1/1) ... [2022-11-20 16:45:04,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:03" (1/1) ... [2022-11-20 16:45:04,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:03" (1/1) ... [2022-11-20 16:45:04,145 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:03" (1/1) ... [2022-11-20 16:45:04,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:03" (1/1) ... [2022-11-20 16:45:04,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:45:04,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:45:04,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:45:04,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:45:04,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:03" (1/1) ... [2022-11-20 16:45:04,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:04,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:45:04,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:45:04,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:45:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:45:04,241 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:45:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 16:45:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:45:04,243 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:45:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:45:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 16:45:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:45:04,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:45:04,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:45:04,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:45:04,244 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:45:04,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:45:04,498 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:45:04,500 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:45:04,821 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:45:04,885 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:45:04,885 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:45:04,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:04 BoogieIcfgContainer [2022-11-20 16:45:04,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:45:04,892 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:45:04,892 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:45:04,903 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:45:04,904 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:04" (1/1) ... [2022-11-20 16:45:04,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:45:05,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:05,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-20 16:45:05,030 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-20 16:45:05,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:45:05,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:05,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:05,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:05,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 72 transitions. [2022-11-20 16:45:05,465 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 16:45:05,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:45:05,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:05,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:05,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 78 transitions. [2022-11-20 16:45:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-20 16:45:05,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:45:05,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:05,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:05,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:05,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:05,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 77 transitions. [2022-11-20 16:45:05,847 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2022-11-20 16:45:05,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:45:05,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:05,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:05,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:45:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:06,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 70 transitions. [2022-11-20 16:45:06,045 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-20 16:45:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:45:06,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:06,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:06,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:45:06,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 72 transitions. [2022-11-20 16:45:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 16:45:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:45:06,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:06,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:06,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:45:06,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:06,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 75 transitions. [2022-11-20 16:45:06,407 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-11-20 16:45:06,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:06,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:06,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:06,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:06,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 69 transitions. [2022-11-20 16:45:06,493 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-11-20 16:45:06,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:06,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:06,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:06,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:06,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:06,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 50 states and 66 transitions. [2022-11-20 16:45:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-20 16:45:06,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:06,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:06,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:06,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:45:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 72 transitions. [2022-11-20 16:45:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2022-11-20 16:45:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:45:06,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:06,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:45:07,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:07,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 71 transitions. [2022-11-20 16:45:07,075 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2022-11-20 16:45:07,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:45:07,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:07,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:07,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:45:07,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:07,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 55 states and 73 transitions. [2022-11-20 16:45:07,219 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2022-11-20 16:45:07,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 16:45:07,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:07,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:07,300 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:07,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 66 transitions. [2022-11-20 16:45:07,426 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-20 16:45:07,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:45:07,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:07,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:07,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:07,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 48 states and 63 transitions. [2022-11-20 16:45:07,535 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-20 16:45:07,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 16:45:07,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:07,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:07,649 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:07,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:07,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 67 transitions. [2022-11-20 16:45:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-20 16:45:07,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:45:07,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:07,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:07,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:07,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 53 states and 72 transitions. [2022-11-20 16:45:07,885 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-20 16:45:07,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 16:45:07,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:07,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:07,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 16:45:07,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:07,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 55 states and 74 transitions. [2022-11-20 16:45:07,967 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2022-11-20 16:45:07,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 16:45:07,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:07,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:08,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:08,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 56 states and 75 transitions. [2022-11-20 16:45:08,140 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2022-11-20 16:45:08,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 16:45:08,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:08,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:08,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 45 states and 57 transitions. [2022-11-20 16:45:08,445 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-11-20 16:45:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 16:45:08,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:08,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:08,575 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:08,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:08,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 44 states and 56 transitions. [2022-11-20 16:45:08,752 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-20 16:45:08,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 16:45:08,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:08,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:45:08,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:08,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 43 states and 55 transitions. [2022-11-20 16:45:08,981 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-20 16:45:08,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:45:08,982 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-11-20 16:45:08,990 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 16:45:09,171 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:45:09,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:45:09 ImpRootNode [2022-11-20 16:45:09,177 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:45:09,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:45:09,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:45:09,178 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:45:09,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:04" (3/4) ... [2022-11-20 16:45:09,181 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:45:09,187 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:45:09,187 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:45:09,192 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 16:45:09,192 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 16:45:09,193 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 16:45:09,193 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:45:09,193 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:45:09,242 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:45:09,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:45:09,243 INFO L158 Benchmark]: Toolchain (without parser) took 6642.86ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 114.2MB in the beginning and 95.5MB in the end (delta: 18.7MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2022-11-20 16:45:09,243 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 107.0MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:45:09,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1380.65ms. Allocated memory is still 161.5MB. Free memory was 113.6MB in the beginning and 75.3MB in the end (delta: 38.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-20 16:45:09,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.82ms. Allocated memory is still 161.5MB. Free memory was 75.3MB in the beginning and 71.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:45:09,245 INFO L158 Benchmark]: Boogie Preprocessor took 56.66ms. Allocated memory is still 161.5MB. Free memory was 71.9MB in the beginning and 70.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:45:09,245 INFO L158 Benchmark]: RCFGBuilder took 740.94ms. Allocated memory is still 161.5MB. Free memory was 70.5MB in the beginning and 51.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 16:45:09,245 INFO L158 Benchmark]: CodeCheck took 4284.78ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 51.6MB in the beginning and 99.6MB in the end (delta: -48.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:45:09,246 INFO L158 Benchmark]: Witness Printer took 65.48ms. Allocated memory is still 195.0MB. Free memory was 99.6MB in the beginning and 95.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:45:09,248 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 3 procedures, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2690 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 855 mSDsluCounter, 2192 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 686 mSDsCounter, 511 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1943 IncrementalHoareTripleChecker+Invalid, 2454 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 511 mSolverCounterUnsat, 1506 mSDtfsCounter, 1943 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4037 GetRequests, 3955 SyntacticMatches, 8 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2398 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 440 NumberOfCodeBlocks, 440 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 420 ConstructedInterpolants, 0 QuantifiedInterpolants, 850 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 0.54ms. Allocated memory is still 107.0MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1380.65ms. Allocated memory is still 161.5MB. Free memory was 113.6MB in the beginning and 75.3MB in the end (delta: 38.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.82ms. Allocated memory is still 161.5MB. Free memory was 75.3MB in the beginning and 71.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.66ms. Allocated memory is still 161.5MB. Free memory was 71.9MB in the beginning and 70.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 740.94ms. Allocated memory is still 161.5MB. Free memory was 70.5MB in the beginning and 51.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4284.78ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 51.6MB in the beginning and 99.6MB in the end (delta: -48.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.48ms. Allocated memory is still 195.0MB. Free memory was 99.6MB in the beginning and 95.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:45:09,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c072286-f2a4-41ea-8742-d3f42ff8e389/bin/ukojak-pZX7IvK2PQ/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