./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_6fda4905-90db-482e-b6fc-40b072eb5f65/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda4905-90db-482e-b6fc-40b072eb5f65/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_6fda4905-90db-482e-b6fc-40b072eb5f65/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda4905-90db-482e-b6fc-40b072eb5f65/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda4905-90db-482e-b6fc-40b072eb5f65/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_6fda4905-90db-482e-b6fc-40b072eb5f65/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 a814cf57fd535147ce2446449d6b11390c829ca4349271f7ff62504085d77607 --- 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 18:58:00,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:58:00,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:58:00,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:58:00,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:58:00,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:58:00,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:58:00,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:58:00,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:58:00,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:58:00,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:58:00,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:58:00,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:58:00,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:58:00,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:58:00,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:58:00,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:58:00,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:58:00,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:58:00,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:58:00,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:58:00,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:58:00,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:58:00,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:58:00,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:58:00,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:58:00,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:58:00,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:58:00,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:58:00,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:58:00,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:58:00,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:58:00,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:58:00,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:58:00,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:58:00,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:58:00,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:58:00,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:58:00,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:58:00,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:58:00,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:58:00,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda4905-90db-482e-b6fc-40b072eb5f65/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:58:00,803 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:58:00,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:58:00,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:58:00,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:58:00,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:58:00,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:58:00,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:58:00,805 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:58:00,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:58:00,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:58:00,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:58:00,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:58:00,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:58:00,806 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:58:00,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:58:00,806 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:58:00,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:58:00,806 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:58:00,806 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:58:00,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:58:00,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:58:00,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:58:00,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:58:00,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:58:00,808 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:58:00,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:58:00,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:58:00,808 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_6fda4905-90db-482e-b6fc-40b072eb5f65/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda4905-90db-482e-b6fc-40b072eb5f65/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a814cf57fd535147ce2446449d6b11390c829ca4349271f7ff62504085d77607 [2022-12-14 18:58:00,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:58:01,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:58:01,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:58:01,021 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:58:01,021 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:58:01,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda4905-90db-482e-b6fc-40b072eb5f65/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i [2022-12-14 18:58:03,645 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:58:03,927 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:58:03,928 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda4905-90db-482e-b6fc-40b072eb5f65/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i [2022-12-14 18:58:03,946 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda4905-90db-482e-b6fc-40b072eb5f65/bin/ukojak-rkRKPMF4O4/data/f699d7c7a/d0ddd1224ffa4a928ca20897d65c80c1/FLAG2b949bec5 [2022-12-14 18:58:03,958 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda4905-90db-482e-b6fc-40b072eb5f65/bin/ukojak-rkRKPMF4O4/data/f699d7c7a/d0ddd1224ffa4a928ca20897d65c80c1 [2022-12-14 18:58:03,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:58:03,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:58:03,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:58:03,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:58:03,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:58:03,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:58:03" (1/1) ... [2022-12-14 18:58:03,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66862e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:03, skipping insertion in model container [2022-12-14 18:58:03,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:58:03" (1/1) ... [2022-12-14 18:58:03,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:58:04,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:58:04,280 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:58:04,530 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:58:04,534 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:58:04,536 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:58:04,537 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:58:04,538 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:58:04,552 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:58:04,557 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:58:04,563 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:58:04,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:58:04,571 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:58:04,584 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:58:04,612 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:58:04,613 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:58:04,614 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:58:04,615 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:58:04,615 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:58:04,618 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:58:04,620 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:58:04,623 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:58:04,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:58:04,704 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:58:04,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:04 WrapperNode [2022-12-14 18:58:04,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:58:04,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:58:04,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:58:04,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:58:04,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:04" (1/1) ... [2022-12-14 18:58:04,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:04" (1/1) ... [2022-12-14 18:58:04,756 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 113 [2022-12-14 18:58:04,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:58:04,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:58:04,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:58:04,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:58:04,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:04" (1/1) ... [2022-12-14 18:58:04,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:04" (1/1) ... [2022-12-14 18:58:04,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:04" (1/1) ... [2022-12-14 18:58:04,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:04" (1/1) ... [2022-12-14 18:58:04,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:04" (1/1) ... [2022-12-14 18:58:04,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:04" (1/1) ... [2022-12-14 18:58:04,773 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:04" (1/1) ... [2022-12-14 18:58:04,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:04" (1/1) ... [2022-12-14 18:58:04,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:58:04,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:58:04,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:58:04,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:58:04,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:04" (1/1) ... [2022-12-14 18:58:04,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:58:04,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda4905-90db-482e-b6fc-40b072eb5f65/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:58:04,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda4905-90db-482e-b6fc-40b072eb5f65/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:58:04,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda4905-90db-482e-b6fc-40b072eb5f65/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:58:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 18:58:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 18:58:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 18:58:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 18:58:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 18:58:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:58:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 18:58:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:58:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:58:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:58:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:58:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 18:58:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:58:04,933 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:58:04,934 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:58:05,103 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:58:05,132 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:58:05,132 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:58:05,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:58:05 BoogieIcfgContainer [2022-12-14 18:58:05,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:58:05,135 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:58:05,136 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:58:05,144 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:58:05,144 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:58:05" (1/1) ... [2022-12-14 18:58:05,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:58:05,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:05,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 57 states and 81 transitions. [2022-12-14 18:58:05,191 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2022-12-14 18:58:05,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:58:05,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:05,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:05,394 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 18:58:05,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:05,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 80 transitions. [2022-12-14 18:58:05,430 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2022-12-14 18:58:05,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:58:05,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:05,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:05,520 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 18:58:05,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:05,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 79 transitions. [2022-12-14 18:58:05,541 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2022-12-14 18:58:05,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:58:05,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:05,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:05,609 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 18:58:05,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:05,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 78 transitions. [2022-12-14 18:58:05,658 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2022-12-14 18:58:05,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:58:05,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:05,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:05,695 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 18:58:05,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:05,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 88 transitions. [2022-12-14 18:58:05,720 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2022-12-14 18:58:05,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 18:58:05,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:05,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:05,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:58:05,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:05,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 90 transitions. [2022-12-14 18:58:05,860 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2022-12-14 18:58:05,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 18:58:05,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:05,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:05,904 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 18:58:05,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:05,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 89 transitions. [2022-12-14 18:58:05,929 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2022-12-14 18:58:05,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:58:05,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:05,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:05,982 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 18:58:06,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:06,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 60 states and 88 transitions. [2022-12-14 18:58:06,044 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2022-12-14 18:58:06,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:58:06,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:06,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:06,075 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 18:58:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:06,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 90 transitions. [2022-12-14 18:58:06,090 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2022-12-14 18:58:06,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:58:06,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:06,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:06,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:58:06,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:06,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 59 states and 84 transitions. [2022-12-14 18:58:06,126 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2022-12-14 18:58:06,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:58:06,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:06,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:06,168 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 18:58:06,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:06,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 89 transitions. [2022-12-14 18:58:06,199 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2022-12-14 18:58:06,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:58:06,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:06,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:06,244 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 18:58:06,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 66 states and 95 transitions. [2022-12-14 18:58:06,322 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2022-12-14 18:58:06,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 18:58:06,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:06,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:06,347 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 18:58:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:06,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 69 states and 101 transitions. [2022-12-14 18:58:06,428 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2022-12-14 18:58:06,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:58:06,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:06,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:58:06,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:06,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 77 states and 116 transitions. [2022-12-14 18:58:06,495 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 116 transitions. [2022-12-14 18:58:06,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:58:06,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:06,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:06,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:58:06,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:06,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 77 states and 115 transitions. [2022-12-14 18:58:06,604 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2022-12-14 18:58:06,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 18:58:06,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:06,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:06,626 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:58:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:06,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 74 states and 108 transitions. [2022-12-14 18:58:06,639 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2022-12-14 18:58:06,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 18:58:06,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:06,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:06,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:58:06,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:06,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 73 states and 106 transitions. [2022-12-14 18:58:06,686 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 106 transitions. [2022-12-14 18:58:06,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:58:06,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:06,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:06,710 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:58:06,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:06,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 74 states and 107 transitions. [2022-12-14 18:58:06,721 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 107 transitions. [2022-12-14 18:58:06,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 18:58:06,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:06,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:06,742 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 18:58:06,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:06,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 71 states and 103 transitions. [2022-12-14 18:58:06,829 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2022-12-14 18:58:06,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:58:06,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:06,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:06,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:58:06,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:06,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 71 states and 102 transitions. [2022-12-14 18:58:06,928 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2022-12-14 18:58:06,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 18:58:06,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:06,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:58:07,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:07,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 105 transitions. [2022-12-14 18:58:07,049 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2022-12-14 18:58:07,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 18:58:07,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:07,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:07,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:58:07,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:07,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 104 transitions. [2022-12-14 18:58:07,191 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2022-12-14 18:58:07,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 18:58:07,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:07,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:07,258 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 18:58:07,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:07,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 75 states and 110 transitions. [2022-12-14 18:58:07,410 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2022-12-14 18:58:07,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:58:07,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:07,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:07,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:58:07,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:07,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 114 transitions. [2022-12-14 18:58:07,657 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2022-12-14 18:58:07,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:58:07,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:07,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:07,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:58:07,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:07,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 80 states and 115 transitions. [2022-12-14 18:58:07,774 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions. [2022-12-14 18:58:07,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:58:07,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:07,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:58:07,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:07,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 52 states and 68 transitions. [2022-12-14 18:58:07,935 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2022-12-14 18:58:07,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:58:07,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:07,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:08,012 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 18:58:08,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:08,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 56 states and 73 transitions. [2022-12-14 18:58:08,118 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2022-12-14 18:58:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:58:08,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:08,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:08,144 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 18:58:08,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 47 states and 61 transitions. [2022-12-14 18:58:08,328 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2022-12-14 18:58:08,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:58:08,328 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2022-12-14 18:58:08,335 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 18:58:08,534 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:58:08,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:58:08 ImpRootNode [2022-12-14 18:58:08,538 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:58:08,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:58:08,539 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:58:08,539 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:58:08,539 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:58:05" (3/4) ... [2022-12-14 18:58:08,541 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:58:08,545 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 18:58:08,545 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 18:58:08,548 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 18:58:08,548 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 18:58:08,548 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 18:58:08,548 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:58:08,549 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:58:08,583 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda4905-90db-482e-b6fc-40b072eb5f65/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:58:08,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:58:08,584 INFO L158 Benchmark]: Toolchain (without parser) took 4622.23ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 69.0MB in the beginning and 55.7MB in the end (delta: 13.3MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2022-12-14 18:58:08,584 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:58:08,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 742.93ms. Allocated memory is still 127.9MB. Free memory was 68.8MB in the beginning and 89.4MB in the end (delta: -20.6MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2022-12-14 18:58:08,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.85ms. Allocated memory is still 127.9MB. Free memory was 89.4MB in the beginning and 86.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:58:08,584 INFO L158 Benchmark]: Boogie Preprocessor took 19.38ms. Allocated memory is still 127.9MB. Free memory was 86.5MB in the beginning and 84.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:58:08,585 INFO L158 Benchmark]: RCFGBuilder took 357.92ms. Allocated memory is still 127.9MB. Free memory was 84.6MB in the beginning and 65.8MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 18:58:08,585 INFO L158 Benchmark]: CodeCheck took 3402.74ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 65.8MB in the beginning and 58.9MB in the end (delta: 7.0MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2022-12-14 18:58:08,585 INFO L158 Benchmark]: Witness Printer took 44.62ms. Allocated memory is still 155.2MB. Free memory was 58.9MB in the beginning and 55.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 18:58:08,588 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5043 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1950 mSDsluCounter, 4500 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1997 mSDsCounter, 990 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3552 IncrementalHoareTripleChecker+Invalid, 4542 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 990 mSolverCounterUnsat, 2503 mSDtfsCounter, 3552 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6315 GetRequests, 6227 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2770 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 626 NumberOfCodeBlocks, 626 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 1356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 42/42 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: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: 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: 1672]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 742.93ms. Allocated memory is still 127.9MB. Free memory was 68.8MB in the beginning and 89.4MB in the end (delta: -20.6MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.85ms. Allocated memory is still 127.9MB. Free memory was 89.4MB in the beginning and 86.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.38ms. Allocated memory is still 127.9MB. Free memory was 86.5MB in the beginning and 84.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.92ms. Allocated memory is still 127.9MB. Free memory was 84.6MB in the beginning and 65.8MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 3402.74ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 65.8MB in the beginning and 58.9MB in the end (delta: 7.0MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * Witness Printer took 44.62ms. Allocated memory is still 155.2MB. Free memory was 58.9MB in the beginning and 55.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:58:08,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda4905-90db-482e-b6fc-40b072eb5f65/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