./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_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_80357fdf-cd2d-450e-958d-c8c004e095a1/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80357fdf-cd2d-450e-958d-c8c004e095a1/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_80357fdf-cd2d-450e-958d-c8c004e095a1/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80357fdf-cd2d-450e-958d-c8c004e095a1/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80357fdf-cd2d-450e-958d-c8c004e095a1/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_80357fdf-cd2d-450e-958d-c8c004e095a1/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 51707db04644edd77b44cc564e90c9ff9cb351f5b6bf4302fb00346df50078da --- 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 [2022-12-15 01:08:47,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:08:47,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:08:47,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:08:47,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:08:47,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:08:47,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:08:47,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:08:47,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:08:47,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:08:47,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:08:47,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:08:47,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:08:47,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:08:47,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:08:47,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:08:47,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:08:47,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:08:47,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:08:47,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:08:47,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:08:47,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:08:47,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:08:47,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:08:47,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:08:47,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:08:47,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:08:47,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:08:47,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:08:47,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:08:47,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:08:47,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:08:47,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:08:47,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:08:47,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:08:47,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:08:47,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:08:47,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:08:47,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:08:47,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:08:47,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:08:47,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80357fdf-cd2d-450e-958d-c8c004e095a1/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 01:08:47,644 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:08:47,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:08:47,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:08:47,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:08:47,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:08:47,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:08:47,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:08:47,646 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:08:47,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:08:47,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:08:47,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:08:47,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:08:47,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:08:47,646 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:08:47,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:08:47,646 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:08:47,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:08:47,647 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:08:47,647 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:08:47,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:08:47,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:08:47,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:08:47,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:08:47,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:08:47,648 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:08:47,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:08:47,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:08:47,648 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_80357fdf-cd2d-450e-958d-c8c004e095a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80357fdf-cd2d-450e-958d-c8c004e095a1/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51707db04644edd77b44cc564e90c9ff9cb351f5b6bf4302fb00346df50078da [2022-12-15 01:08:47,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:08:47,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:08:47,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:08:47,845 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:08:47,846 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:08:47,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80357fdf-cd2d-450e-958d-c8c004e095a1/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_good.i [2022-12-15 01:08:50,420 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:08:50,690 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:08:50,691 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80357fdf-cd2d-450e-958d-c8c004e095a1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_17_good.i [2022-12-15 01:08:50,710 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80357fdf-cd2d-450e-958d-c8c004e095a1/bin/ukojak-rkRKPMF4O4/data/061e30f05/5502d2a68b514eee903adb2a79dfaa82/FLAG18210d3d1 [2022-12-15 01:08:51,026 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80357fdf-cd2d-450e-958d-c8c004e095a1/bin/ukojak-rkRKPMF4O4/data/061e30f05/5502d2a68b514eee903adb2a79dfaa82 [2022-12-15 01:08:51,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:08:51,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:08:51,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:08:51,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:08:51,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:08:51,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:08:51" (1/1) ... [2022-12-15 01:08:51,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c7c0c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:51, skipping insertion in model container [2022-12-15 01:08:51,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:08:51" (1/1) ... [2022-12-15 01:08:51,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:08:51,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:08:51,377 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:08:51,735 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:08:51,740 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:08:51,742 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:08:51,744 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:08:51,744 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:08:51,769 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:08:51,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:08:51,777 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:08:51,791 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:08:51,823 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:08:51,824 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:08:51,825 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:08:51,827 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:08:51,827 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:08:51,832 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:08:51,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:08:51,935 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:08:51,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:51 WrapperNode [2022-12-15 01:08:51,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:08:51,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:08:51,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:08:51,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:08:51,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:51" (1/1) ... [2022-12-15 01:08:51,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:51" (1/1) ... [2022-12-15 01:08:51,987 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 92 [2022-12-15 01:08:51,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:08:51,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:08:51,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:08:51,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:08:51,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:51" (1/1) ... [2022-12-15 01:08:51,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:51" (1/1) ... [2022-12-15 01:08:51,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:51" (1/1) ... [2022-12-15 01:08:51,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:51" (1/1) ... [2022-12-15 01:08:52,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:51" (1/1) ... [2022-12-15 01:08:52,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:51" (1/1) ... [2022-12-15 01:08:52,005 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:51" (1/1) ... [2022-12-15 01:08:52,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:51" (1/1) ... [2022-12-15 01:08:52,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:08:52,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:08:52,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:08:52,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:08:52,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:51" (1/1) ... [2022-12-15 01:08:52,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:08:52,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80357fdf-cd2d-450e-958d-c8c004e095a1/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:08:52,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80357fdf-cd2d-450e-958d-c8c004e095a1/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:08:52,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80357fdf-cd2d-450e-958d-c8c004e095a1/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:08:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 01:08:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 01:08:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 01:08:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 01:08:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:08:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:08:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:08:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 01:08:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:08:52,184 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:08:52,186 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:08:52,325 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:08:52,361 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:08:52,361 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-15 01:08:52,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:08:52 BoogieIcfgContainer [2022-12-15 01:08:52,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:08:52,364 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:08:52,364 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:08:52,371 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:08:52,371 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:08:52" (1/1) ... [2022-12-15 01:08:52,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:08:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:52,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-12-15 01:08:52,419 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-12-15 01:08:52,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:08:52,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:52,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:52,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:08:52,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:52,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2022-12-15 01:08:52,686 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-12-15 01:08:52,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:08:52,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:52,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:08:52,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:52,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2022-12-15 01:08:52,765 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-12-15 01:08:52,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:08:52,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:52,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:08:52,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:52,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2022-12-15 01:08:52,857 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-12-15 01:08:52,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:08:52,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:52,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:08:52,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:52,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-12-15 01:08:52,927 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-12-15 01:08:52,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:08:52,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:52,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:52,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:08:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:53,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 48 states and 59 transitions. [2022-12-15 01:08:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2022-12-15 01:08:53,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:08:53,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:53,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:53,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:08:53,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:53,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 60 transitions. [2022-12-15 01:08:53,198 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-12-15 01:08:53,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:08:53,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:53,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:08:53,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:53,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2022-12-15 01:08:53,321 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-12-15 01:08:53,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 01:08:53,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:53,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:53,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:08:53,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:53,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2022-12-15 01:08:53,385 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-12-15 01:08:53,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:08:53,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:53,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:53,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:08:53,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:53,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2022-12-15 01:08:53,503 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2022-12-15 01:08:53,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:08:53,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:53,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:53,538 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:08:53,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:53,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2022-12-15 01:08:53,672 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2022-12-15 01:08:53,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:08:53,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:53,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:53,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:08:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:53,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2022-12-15 01:08:53,726 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2022-12-15 01:08:53,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:08:53,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:53,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:53,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:08:53,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:53,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2022-12-15 01:08:53,856 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2022-12-15 01:08:53,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 01:08:53,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:53,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:53,917 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 01:08:54,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:54,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 38 states and 41 transitions. [2022-12-15 01:08:54,036 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2022-12-15 01:08:54,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 01:08:54,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:54,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:54,089 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:08:54,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:54,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 46 transitions. [2022-12-15 01:08:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-12-15 01:08:54,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 01:08:54,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:54,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:54,383 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:08:54,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:54,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 52 transitions. [2022-12-15 01:08:54,718 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-12-15 01:08:54,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:08:54,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:54,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:54,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 01:08:55,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:55,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 64 transitions. [2022-12-15 01:08:55,137 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-12-15 01:08:55,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 01:08:55,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:55,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 01:08:55,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:55,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 67 transitions. [2022-12-15 01:08:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-12-15 01:08:55,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 01:08:55,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:55,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:55,242 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 01:08:55,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:55,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 72 transitions. [2022-12-15 01:08:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-12-15 01:08:55,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 01:08:55,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:55,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:08:55,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:55,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 62 states and 76 transitions. [2022-12-15 01:08:55,766 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2022-12-15 01:08:55,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 01:08:55,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:55,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 01:08:56,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 35 states and 36 transitions. [2022-12-15 01:08:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2022-12-15 01:08:56,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:08:56,029 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-12-15 01:08:56,036 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-12-15 01:08:56,101 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-12-15 01:08:56,110 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:08:56,110 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:08:56,110 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-12-15 01:08:56,111 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:08:56,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:08:56 ImpRootNode [2022-12-15 01:08:56,111 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:08:56,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:08:56,112 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:08:56,112 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:08:56,112 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:08:52" (3/4) ... [2022-12-15 01:08:56,114 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:08:56,118 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 01:08:56,118 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 01:08:56,120 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-15 01:08:56,121 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-15 01:08:56,121 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 01:08:56,121 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:08:56,158 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80357fdf-cd2d-450e-958d-c8c004e095a1/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:08:56,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:08:56,158 INFO L158 Benchmark]: Toolchain (without parser) took 5125.31ms. Allocated memory is still 153.1MB. Free memory was 115.2MB in the beginning and 100.5MB in the end (delta: 14.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2022-12-15 01:08:56,159 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:08:56,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 900.24ms. Allocated memory is still 153.1MB. Free memory was 115.2MB in the beginning and 103.6MB in the end (delta: 11.5MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2022-12-15 01:08:56,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.73ms. Allocated memory is still 153.1MB. Free memory was 103.6MB in the beginning and 100.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:08:56,160 INFO L158 Benchmark]: Boogie Preprocessor took 20.56ms. Allocated memory is still 153.1MB. Free memory was 100.9MB in the beginning and 99.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:08:56,160 INFO L158 Benchmark]: RCFGBuilder took 354.68ms. Allocated memory is still 153.1MB. Free memory was 98.8MB in the beginning and 82.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 01:08:56,160 INFO L158 Benchmark]: CodeCheck took 3747.18ms. Allocated memory is still 153.1MB. Free memory was 82.7MB in the beginning and 103.6MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:08:56,161 INFO L158 Benchmark]: Witness Printer took 46.45ms. Allocated memory is still 153.1MB. Free memory was 103.6MB in the beginning and 100.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:08:56,162 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, 46 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1489 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 615 mSDsluCounter, 526 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 114 mSDsCounter, 677 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2739 IncrementalHoareTripleChecker+Invalid, 3416 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 677 mSolverCounterUnsat, 412 mSDtfsCounter, 2739 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3134 GetRequests, 3032 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3239 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 446 NumberOfCodeBlocks, 446 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 426 ConstructedInterpolants, 0 QuantifiedInterpolants, 814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 92/96 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: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: 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: 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: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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: 1601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: h == 0 || ((1 <= h && data + 2 <= 0) && 0 <= data + 2) - InvariantResult [Line: 1582]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 900.24ms. Allocated memory is still 153.1MB. Free memory was 115.2MB in the beginning and 103.6MB in the end (delta: 11.5MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.73ms. Allocated memory is still 153.1MB. Free memory was 103.6MB in the beginning and 100.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.56ms. Allocated memory is still 153.1MB. Free memory was 100.9MB in the beginning and 99.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.68ms. Allocated memory is still 153.1MB. Free memory was 98.8MB in the beginning and 82.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3747.18ms. Allocated memory is still 153.1MB. Free memory was 82.7MB in the beginning and 103.6MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 46.45ms. Allocated memory is still 153.1MB. Free memory was 103.6MB in the beginning and 100.5MB 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! [2022-12-15 01:08:56,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80357fdf-cd2d-450e-958d-c8c004e095a1/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