./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4 --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 7f1dace95b2f32708c50131c14ada2165d80524dd27b525c0899be99f34a7496 --- 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-2329fc7 [2022-12-14 18:39:52,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:39:52,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:39:52,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:39:52,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:39:52,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:39:52,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:39:52,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:39:52,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:39:52,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:39:52,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:39:52,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:39:52,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:39:52,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:39:52,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:39:52,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:39:52,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:39:52,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:39:52,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:39:52,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:39:52,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:39:52,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:39:52,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:39:52,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:39:52,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:39:52,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:39:52,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:39:52,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:39:52,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:39:52,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:39:52,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:39:52,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:39:52,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:39:52,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:39:52,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:39:52,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:39:52,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:39:52,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:39:52,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:39:52,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:39:52,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:39:52,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:39:52,795 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:39:52,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:39:52,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:39:52,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:39:52,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:39:52,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:39:52,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:39:52,797 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:39:52,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:39:52,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:39:52,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:39:52,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:39:52,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:39:52,798 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:39:52,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:39:52,798 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:39:52,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:39:52,799 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:39:52,799 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:39:52,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:39:52,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:39:52,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:39:52,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:39:52,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:39:52,800 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:39:52,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:39:52,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:39:52,800 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_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f1dace95b2f32708c50131c14ada2165d80524dd27b525c0899be99f34a7496 [2022-12-14 18:39:52,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:39:52,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:39:52,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:39:52,997 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:39:52,998 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:39:52,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_17_good.i [2022-12-14 18:39:55,557 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:39:55,789 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:39:55,789 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_17_good.i [2022-12-14 18:39:55,802 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4/data/d5b350ca0/31e0c2740f9a48a0a16eb573dcc01d21/FLAG134a8b7b2 [2022-12-14 18:39:56,128 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4/data/d5b350ca0/31e0c2740f9a48a0a16eb573dcc01d21 [2022-12-14 18:39:56,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:39:56,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:39:56,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:39:56,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:39:56,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:39:56,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:39:56" (1/1) ... [2022-12-14 18:39:56,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320fda5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:56, skipping insertion in model container [2022-12-14 18:39:56,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:39:56" (1/1) ... [2022-12-14 18:39:56,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:39:56,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:39:56,425 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:39:56,731 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:39:56,735 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:39:56,737 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:39:56,738 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:39:56,739 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:39:56,764 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:39:56,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:39:56,772 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:39:56,785 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:39:56,817 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:39:56,818 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:39:56,819 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:39:56,821 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:39:56,822 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:39:56,827 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:39:56,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:39:56,940 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:39:56,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:56 WrapperNode [2022-12-14 18:39:56,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:39:56,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:39:56,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:39:56,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:39:56,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:56" (1/1) ... [2022-12-14 18:39:56,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:56" (1/1) ... [2022-12-14 18:39:56,986 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 96 [2022-12-14 18:39:56,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:39:56,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:39:56,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:39:56,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:39:56,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:56" (1/1) ... [2022-12-14 18:39:56,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:56" (1/1) ... [2022-12-14 18:39:56,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:56" (1/1) ... [2022-12-14 18:39:56,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:56" (1/1) ... [2022-12-14 18:39:56,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:56" (1/1) ... [2022-12-14 18:39:57,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:56" (1/1) ... [2022-12-14 18:39:57,002 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:56" (1/1) ... [2022-12-14 18:39:57,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:56" (1/1) ... [2022-12-14 18:39:57,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:39:57,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:39:57,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:39:57,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:39:57,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:56" (1/1) ... [2022-12-14 18:39:57,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:39:57,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:39:57,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:39:57,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:39:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 18:39:57,066 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 18:39:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 18:39:57,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 18:39:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:39:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:39:57,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:39:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 18:39:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:39:57,181 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:39:57,182 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:39:57,315 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:39:57,345 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:39:57,346 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 18:39:57,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:39:57 BoogieIcfgContainer [2022-12-14 18:39:57,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:39:57,348 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:39:57,348 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:39:57,360 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:39:57,361 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:39:57" (1/1) ... [2022-12-14 18:39:57,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:39:57,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:57,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-12-14 18:39:57,408 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-12-14 18:39:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:39:57,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:57,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:57,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:39:57,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:57,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-12-14 18:39:57,619 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-12-14 18:39:57,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:39:57,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:57,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:57,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:39:57,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:57,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2022-12-14 18:39:57,689 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-12-14 18:39:57,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:39:57,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:57,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:57,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:39:57,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:57,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2022-12-14 18:39:57,786 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-12-14 18:39:57,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:39:57,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:57,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:39:57,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:57,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2022-12-14 18:39:57,942 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-12-14 18:39:57,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:39:57,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:57,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:57,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:39:58,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:58,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-12-14 18:39:58,055 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-12-14 18:39:58,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:39:58,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:58,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:58,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 18:39:58,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:58,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2022-12-14 18:39:58,143 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2022-12-14 18:39:58,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:39:58,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:58,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 18:39:58,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:58,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 51 states and 62 transitions. [2022-12-14 18:39:58,208 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2022-12-14 18:39:58,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:39:58,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:58,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:39:58,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:58,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 65 transitions. [2022-12-14 18:39:58,346 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2022-12-14 18:39:58,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:39:58,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:58,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:58,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:39:58,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:58,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 56 states and 68 transitions. [2022-12-14 18:39:58,460 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-12-14 18:39:58,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:39:58,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:58,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:58,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:39:58,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:58,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 57 states and 69 transitions. [2022-12-14 18:39:58,508 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2022-12-14 18:39:58,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:39:58,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:58,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:58,565 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 18:39:58,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:58,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 44 transitions. [2022-12-14 18:39:58,673 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-12-14 18:39:58,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 18:39:58,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:58,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:39:58,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:58,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 38 transitions. [2022-12-14 18:39:58,813 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2022-12-14 18:39:58,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:39:58,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:58,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:58,861 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:39:59,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:59,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 42 transitions. [2022-12-14 18:39:59,055 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-12-14 18:39:59,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 18:39:59,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:59,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:59,099 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:39:59,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:59,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 47 transitions. [2022-12-14 18:39:59,432 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-12-14 18:39:59,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:39:59,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:59,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:59,522 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 18:39:59,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:59,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 57 transitions. [2022-12-14 18:39:59,871 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-12-14 18:39:59,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 18:39:59,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:59,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:59,912 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 18:39:59,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:39:59,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 60 transitions. [2022-12-14 18:39:59,927 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-12-14 18:39:59,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 18:39:59,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:39:59,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:39:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:39:59,997 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 18:40:00,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:00,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 61 transitions. [2022-12-14 18:40:00,148 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-12-14 18:40:00,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 18:40:00,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:00,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:00,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 18:40:00,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:00,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 62 transitions. [2022-12-14 18:40:00,301 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-12-14 18:40:00,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 18:40:00,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:40:00,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:40:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:40:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 18:40:00,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:40:00,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 35 states and 38 transitions. [2022-12-14 18:40:00,501 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2022-12-14 18:40:00,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:40:00,502 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2022-12-14 18:40:00,509 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-12-14 18:40:00,571 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-12-14 18:40:00,581 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:40:00,581 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:40:00,581 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-12-14 18:40:00,582 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:40:00,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:40:00 ImpRootNode [2022-12-14 18:40:00,582 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:40:00,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:40:00,583 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:40:00,583 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:40:00,584 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:39:57" (3/4) ... [2022-12-14 18:40:00,586 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:40:00,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 18:40:00,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 18:40:00,596 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 18:40:00,596 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-14 18:40:00,596 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 18:40:00,596 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:40:00,632 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:40:00,632 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:40:00,633 INFO L158 Benchmark]: Toolchain (without parser) took 4498.90ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 86.4MB in the beginning and 68.3MB in the end (delta: 18.1MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2022-12-14 18:40:00,633 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:40:00,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 805.42ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 86.4MB in the beginning and 85.2MB in the end (delta: 1.3MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2022-12-14 18:40:00,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.85ms. Allocated memory is still 144.7MB. Free memory was 85.2MB in the beginning and 81.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 18:40:00,633 INFO L158 Benchmark]: Boogie Preprocessor took 17.90ms. Allocated memory is still 144.7MB. Free memory was 81.7MB in the beginning and 80.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:40:00,634 INFO L158 Benchmark]: RCFGBuilder took 342.68ms. Allocated memory is still 144.7MB. Free memory was 80.3MB in the beginning and 63.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 18:40:00,634 INFO L158 Benchmark]: CodeCheck took 3234.04ms. Allocated memory is still 144.7MB. Free memory was 63.5MB in the beginning and 71.4MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:40:00,634 INFO L158 Benchmark]: Witness Printer took 49.36ms. Allocated memory is still 144.7MB. Free memory was 71.4MB in the beginning and 68.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:40:00,636 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, 44 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1157 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 440 mSDsluCounter, 541 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 641 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2150 IncrementalHoareTripleChecker+Invalid, 2791 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 641 mSolverCounterUnsat, 361 mSDtfsCounter, 2150 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2804 GetRequests, 2710 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2716 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 406 NumberOfCodeBlocks, 406 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 643 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 83/89 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (1 <= i && data + 2147483648 <= 0) || i == 0 - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: h == 0 || ((1 <= h && data + 2 <= 0) && 0 <= data + 2) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 805.42ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 86.4MB in the beginning and 85.2MB in the end (delta: 1.3MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.85ms. Allocated memory is still 144.7MB. Free memory was 85.2MB in the beginning and 81.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.90ms. Allocated memory is still 144.7MB. Free memory was 81.7MB in the beginning and 80.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 342.68ms. Allocated memory is still 144.7MB. Free memory was 80.3MB in the beginning and 63.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3234.04ms. Allocated memory is still 144.7MB. Free memory was 63.5MB in the beginning and 71.4MB in the end (delta: -7.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 49.36ms. Allocated memory is still 144.7MB. Free memory was 71.4MB in the beginning and 68.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:40:00,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c8b85f2-1530-4d4d-a5e5-3b325f556ed8/bin/ukojak-rkRKPMF4O4/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