./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_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_c23609fa-e301-4463-848a-261b46c115f6/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23609fa-e301-4463-848a-261b46c115f6/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_c23609fa-e301-4463-848a-261b46c115f6/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23609fa-e301-4463-848a-261b46c115f6/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23609fa-e301-4463-848a-261b46c115f6/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_c23609fa-e301-4463-848a-261b46c115f6/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 d41f4456ebd4922a3bbf90ab4b30243b59669a46e41dd9929c996e79727feaa5 --- 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 17:42:01,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:42:01,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:42:01,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:42:01,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:42:01,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:42:01,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:42:01,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:42:01,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:42:01,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:42:01,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:42:01,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:42:01,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:42:01,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:42:01,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:42:01,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:42:01,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:42:01,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:42:01,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:42:01,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:42:01,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:42:01,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:42:01,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:42:01,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:42:01,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:42:01,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:42:01,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:42:01,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:42:01,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:42:01,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:42:01,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:42:01,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:42:01,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:42:01,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:42:01,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:42:01,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:42:01,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:42:01,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:42:01,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:42:01,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:42:01,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:42:01,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23609fa-e301-4463-848a-261b46c115f6/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:42:01,850 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:42:01,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:42:01,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:42:01,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:42:01,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:42:01,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:42:01,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:42:01,853 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:42:01,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:42:01,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:42:01,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:42:01,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:42:01,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:42:01,855 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:42:01,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:42:01,855 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:42:01,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:42:01,856 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:42:01,856 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:42:01,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:42:01,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:42:01,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:42:01,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:42:01,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:42:01,857 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:42:01,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:42:01,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:42:01,857 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_c23609fa-e301-4463-848a-261b46c115f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23609fa-e301-4463-848a-261b46c115f6/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d41f4456ebd4922a3bbf90ab4b30243b59669a46e41dd9929c996e79727feaa5 [2022-11-20 17:42:02,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:42:02,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:42:02,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:42:02,201 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:42:02,201 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:42:02,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23609fa-e301-4463-848a-261b46c115f6/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_good.i [2022-11-20 17:42:05,156 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:42:05,540 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:42:05,544 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23609fa-e301-4463-848a-261b46c115f6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_good.i [2022-11-20 17:42:05,569 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23609fa-e301-4463-848a-261b46c115f6/bin/ukojak-pZX7IvK2PQ/data/8c649ee29/e319d8019f044255a0daad35f42d1db6/FLAG8d773ec96 [2022-11-20 17:42:05,591 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23609fa-e301-4463-848a-261b46c115f6/bin/ukojak-pZX7IvK2PQ/data/8c649ee29/e319d8019f044255a0daad35f42d1db6 [2022-11-20 17:42:05,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:42:05,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:42:05,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:42:05,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:42:05,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:42:05,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:42:05" (1/1) ... [2022-11-20 17:42:05,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d08532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:05, skipping insertion in model container [2022-11-20 17:42:05,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:42:05" (1/1) ... [2022-11-20 17:42:05,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:42:05,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:42:06,114 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:42:06,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:42:06,623 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:42:06,657 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:42:06,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:42:06,831 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:42:06,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:06 WrapperNode [2022-11-20 17:42:06,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:42:06,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:42:06,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:42:06,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:42:06,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:06" (1/1) ... [2022-11-20 17:42:06,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:06" (1/1) ... [2022-11-20 17:42:06,928 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 127 [2022-11-20 17:42:06,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:42:06,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:42:06,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:42:06,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:42:06,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:06" (1/1) ... [2022-11-20 17:42:06,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:06" (1/1) ... [2022-11-20 17:42:06,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:06" (1/1) ... [2022-11-20 17:42:06,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:06" (1/1) ... [2022-11-20 17:42:06,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:06" (1/1) ... [2022-11-20 17:42:06,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:06" (1/1) ... [2022-11-20 17:42:06,959 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:06" (1/1) ... [2022-11-20 17:42:06,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:06" (1/1) ... [2022-11-20 17:42:06,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:42:06,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:42:06,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:42:06,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:42:06,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:42:06" (1/1) ... [2022-11-20 17:42:06,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:42:06,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23609fa-e301-4463-848a-261b46c115f6/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:42:07,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23609fa-e301-4463-848a-261b46c115f6/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:42:07,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23609fa-e301-4463-848a-261b46c115f6/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:42:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:42:07,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:42:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:42:07,047 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:42:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:42:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:42:07,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:42:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:42:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:42:07,187 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:42:07,189 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:42:07,478 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:42:07,771 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:42:07,771 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:42:07,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:42:07 BoogieIcfgContainer [2022-11-20 17:42:07,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:42:07,775 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:42:07,775 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:42:07,785 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:42:07,785 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:42:07" (1/1) ... [2022-11-20 17:42:07,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:42:07,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:07,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2022-11-20 17:42:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2022-11-20 17:42:07,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:42:07,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:07,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:08,396 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 17:42:08,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:08,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 44 states and 58 transitions. [2022-11-20 17:42:08,498 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2022-11-20 17:42:08,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:42:08,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:08,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:08,591 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 17:42:08,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:08,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 43 states and 57 transitions. [2022-11-20 17:42:08,656 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-11-20 17:42:08,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:42:08,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:08,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:08,725 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 17:42:08,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:08,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 54 transitions. [2022-11-20 17:42:08,954 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2022-11-20 17:42:08,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:42:08,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:08,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:09,423 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 17:42:09,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:09,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 53 transitions. [2022-11-20 17:42:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2022-11-20 17:42:09,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:42:09,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:09,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:09,667 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 17:42:09,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:09,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 52 transitions. [2022-11-20 17:42:09,777 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2022-11-20 17:42:09,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:42:09,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:09,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:09,847 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 17:42:10,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:10,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 55 transitions. [2022-11-20 17:42:10,253 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-11-20 17:42:10,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:42:10,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:10,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:10,326 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 17:42:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:10,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 51 transitions. [2022-11-20 17:42:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-11-20 17:42:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:42:10,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:10,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:10,723 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 17:42:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 55 transitions. [2022-11-20 17:42:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-11-20 17:42:10,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:42:10,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:10,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:10,977 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 17:42:11,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:11,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 60 transitions. [2022-11-20 17:42:11,217 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-11-20 17:42:11,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:42:11,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:11,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:11,276 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 17:42:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 51 states and 69 transitions. [2022-11-20 17:42:11,701 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2022-11-20 17:42:11,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:42:11,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:11,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:11,806 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 17:42:12,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:12,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 73 transitions. [2022-11-20 17:42:12,328 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2022-11-20 17:42:12,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:42:12,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:12,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:12,381 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 17:42:12,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:12,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 66 transitions. [2022-11-20 17:42:12,745 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-20 17:42:12,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:42:12,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:12,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:12,791 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 17:42:13,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:13,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 48 states and 63 transitions. [2022-11-20 17:42:13,174 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-20 17:42:13,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:42:13,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:13,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:13,224 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 17:42:13,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:13,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 37 states and 45 transitions. [2022-11-20 17:42:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-20 17:42:13,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:42:13,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:13,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:13,865 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 17:42:14,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:14,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 36 states and 44 transitions. [2022-11-20 17:42:14,394 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-11-20 17:42:14,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:42:14,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:14,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:14,626 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 17:42:14,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:14,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 35 states and 43 transitions. [2022-11-20 17:42:14,977 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2022-11-20 17:42:14,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:42:14,977 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-11-20 17:42:14,992 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 17:42:15,220 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:42:15,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:42:15 ImpRootNode [2022-11-20 17:42:15,234 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:42:15,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:42:15,234 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:42:15,235 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:42:15,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:42:07" (3/4) ... [2022-11-20 17:42:15,238 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:42:15,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:42:15,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:42:15,252 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-20 17:42:15,254 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 17:42:15,255 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:42:15,255 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:42:15,340 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23609fa-e301-4463-848a-261b46c115f6/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:42:15,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:42:15,341 INFO L158 Benchmark]: Toolchain (without parser) took 9742.67ms. Allocated memory was 148.9MB in the beginning and 249.6MB in the end (delta: 100.7MB). Free memory was 106.7MB in the beginning and 132.2MB in the end (delta: -25.5MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2022-11-20 17:42:15,341 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 117.4MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:42:15,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1230.91ms. Allocated memory is still 148.9MB. Free memory was 106.7MB in the beginning and 64.0MB in the end (delta: 42.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-20 17:42:15,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.37ms. Allocated memory is still 148.9MB. Free memory was 64.0MB in the beginning and 60.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:42:15,343 INFO L158 Benchmark]: Boogie Preprocessor took 35.28ms. Allocated memory is still 148.9MB. Free memory was 60.3MB in the beginning and 58.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:42:15,343 INFO L158 Benchmark]: RCFGBuilder took 808.75ms. Allocated memory is still 148.9MB. Free memory was 58.3MB in the beginning and 104.7MB in the end (delta: -46.4MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2022-11-20 17:42:15,344 INFO L158 Benchmark]: CodeCheck took 7459.29ms. Allocated memory was 148.9MB in the beginning and 249.6MB in the end (delta: 100.7MB). Free memory was 104.7MB in the beginning and 136.4MB in the end (delta: -31.7MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2022-11-20 17:42:15,344 INFO L158 Benchmark]: Witness Printer took 106.20ms. Allocated memory is still 249.6MB. Free memory was 136.4MB in the beginning and 132.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:42:15,346 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, 45 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1740 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 532 mSDsluCounter, 988 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 208 mSDsCounter, 539 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2019 IncrementalHoareTripleChecker+Invalid, 2558 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 539 mSolverCounterUnsat, 780 mSDtfsCounter, 2019 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2763 GetRequests, 2631 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6857 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 292 ConstructedInterpolants, 0 QuantifiedInterpolants, 570 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 64/64 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: 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: 1648]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 117.4MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1230.91ms. Allocated memory is still 148.9MB. Free memory was 106.7MB in the beginning and 64.0MB in the end (delta: 42.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.37ms. Allocated memory is still 148.9MB. Free memory was 64.0MB in the beginning and 60.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.28ms. Allocated memory is still 148.9MB. Free memory was 60.3MB in the beginning and 58.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 808.75ms. Allocated memory is still 148.9MB. Free memory was 58.3MB in the beginning and 104.7MB in the end (delta: -46.4MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * CodeCheck took 7459.29ms. Allocated memory was 148.9MB in the beginning and 249.6MB in the end (delta: 100.7MB). Free memory was 104.7MB in the beginning and 136.4MB in the end (delta: -31.7MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. * Witness Printer took 106.20ms. Allocated memory is still 249.6MB. Free memory was 136.4MB in the beginning and 132.2MB 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 17:42:15,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23609fa-e301-4463-848a-261b46c115f6/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