./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg --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 479f3a0793279ecb9be69d50a8f0e08b7cfea5a27af792d27cbba6fdea935bdf --- 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-b5237d8 [2022-11-21 23:46:19,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:46:19,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:46:19,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:46:19,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:46:19,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:46:19,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:46:19,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:46:19,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:46:19,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:46:19,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:46:19,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:46:19,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:46:19,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:46:19,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:46:19,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:46:19,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:46:19,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:46:19,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:46:19,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:46:19,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:46:19,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:46:19,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:46:19,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:46:19,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:46:19,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:46:19,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:46:19,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:46:19,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:46:19,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:46:19,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:46:19,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:46:19,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:46:19,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:46:19,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:46:19,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:46:19,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:46:19,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:46:19,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:46:19,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:46:19,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:46:19,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:46:19,645 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:46:19,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:46:19,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:46:19,655 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:46:19,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:46:19,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:46:19,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:46:19,656 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:46:19,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:46:19,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:46:19,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:46:19,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:46:19,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:46:19,658 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:46:19,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:46:19,659 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:46:19,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:46:19,659 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:46:19,659 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:46:19,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:46:19,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:46:19,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:46:19,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:46:19,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:46:19,661 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:46:19,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:46:19,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:46:19,661 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_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 479f3a0793279ecb9be69d50a8f0e08b7cfea5a27af792d27cbba6fdea935bdf [2022-11-21 23:46:19,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:46:19,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:46:19,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:46:19,951 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:46:19,951 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:46:19,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_good.i [2022-11-21 23:46:22,992 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:46:23,414 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:46:23,415 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe87067-9b2f-4747-94d3-62b497d9c8ab/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_good.i [2022-11-21 23:46:23,444 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg/data/8b5aecd92/2a1a5592d38a4aca83f729ba4ee34c9e/FLAG008d4f153 [2022-11-21 23:46:23,459 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg/data/8b5aecd92/2a1a5592d38a4aca83f729ba4ee34c9e [2022-11-21 23:46:23,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:46:23,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:46:23,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:46:23,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:46:23,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:46:23,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:46:23" (1/1) ... [2022-11-21 23:46:23,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8aea92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:23, skipping insertion in model container [2022-11-21 23:46:23,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:46:23" (1/1) ... [2022-11-21 23:46:23,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:46:23,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:46:23,911 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:46:24,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:46:24,472 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:46:24,494 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:46:24,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:46:24,724 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:46:24,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:24 WrapperNode [2022-11-21 23:46:24,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:46:24,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:46:24,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:46:24,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:46:24,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:24" (1/1) ... [2022-11-21 23:46:24,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:24" (1/1) ... [2022-11-21 23:46:24,812 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 121 [2022-11-21 23:46:24,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:46:24,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:46:24,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:46:24,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:46:24,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:24" (1/1) ... [2022-11-21 23:46:24,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:24" (1/1) ... [2022-11-21 23:46:24,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:24" (1/1) ... [2022-11-21 23:46:24,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:24" (1/1) ... [2022-11-21 23:46:24,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:24" (1/1) ... [2022-11-21 23:46:24,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:24" (1/1) ... [2022-11-21 23:46:24,839 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:24" (1/1) ... [2022-11-21 23:46:24,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:24" (1/1) ... [2022-11-21 23:46:24,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:46:24,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:46:24,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:46:24,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:46:24,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:24" (1/1) ... [2022-11-21 23:46:24,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:46:24,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:46:24,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:46:24,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:46:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:46:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:46:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 23:46:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:46:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:46:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:46:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 23:46:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:46:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:46:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:46:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:46:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:46:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:46:25,150 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:46:25,152 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:46:25,516 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:46:25,554 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:46:25,554 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:46:25,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:46:25 BoogieIcfgContainer [2022-11-21 23:46:25,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:46:25,558 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:46:25,558 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:46:25,568 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:46:25,569 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:46:25" (1/1) ... [2022-11-21 23:46:25,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:46:25,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:25,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-21 23:46:25,635 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-21 23:46:25,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:46:25,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:25,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:25,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:46:25,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:25,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-11-21 23:46:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 23:46:25,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:46:25,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:25,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:46:26,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-11-21 23:46:26,164 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-21 23:46:26,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:46:26,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:26,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:26,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:46:26,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:26,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 77 transitions. [2022-11-21 23:46:26,370 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2022-11-21 23:46:26,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:46:26,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:26,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:26,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:46:26,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:26,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 70 transitions. [2022-11-21 23:46:26,550 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-21 23:46:26,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:46:26,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:26,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:26,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:46:27,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:27,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 72 transitions. [2022-11-21 23:46:27,011 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 23:46:27,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:46:27,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:27,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:46:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:27,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 59 states and 82 transitions. [2022-11-21 23:46:27,404 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-11-21 23:46:27,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:46:27,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:27,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:27,443 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:46:27,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:27,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 76 transitions. [2022-11-21 23:46:27,462 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-21 23:46:27,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:46:27,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:27,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:46:27,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:27,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 79 transitions. [2022-11-21 23:46:27,707 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-11-21 23:46:27,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:46:27,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:27,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:27,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:46:27,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:27,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 63 states and 86 transitions. [2022-11-21 23:46:27,862 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-21 23:46:27,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:46:27,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:27,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:27,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:46:28,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:28,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 83 transitions. [2022-11-21 23:46:28,174 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-21 23:46:28,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:46:28,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:28,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:28,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:46:28,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:28,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 82 transitions. [2022-11-21 23:46:28,376 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2022-11-21 23:46:28,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:46:28,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:28,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:46:28,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:28,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 84 transitions. [2022-11-21 23:46:28,545 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-11-21 23:46:28,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:46:28,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:28,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:28,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:46:28,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:28,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 62 states and 82 transitions. [2022-11-21 23:46:28,771 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-11-21 23:46:28,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:46:28,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:28,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:28,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:46:28,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:28,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 50 states and 66 transitions. [2022-11-21 23:46:28,819 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-21 23:46:28,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:46:28,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:28,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:28,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:46:28,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:28,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 48 states and 63 transitions. [2022-11-21 23:46:28,941 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-21 23:46:28,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:46:28,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:28,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:29,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:46:29,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:29,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 67 transitions. [2022-11-21 23:46:29,072 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-21 23:46:29,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:46:29,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:29,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:29,152 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:46:29,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:29,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 53 states and 72 transitions. [2022-11-21 23:46:29,267 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 23:46:29,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:46:29,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:29,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 23:46:29,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 62 states and 86 transitions. [2022-11-21 23:46:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-11-21 23:46:29,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:46:29,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:29,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:30,016 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:46:30,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:30,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 65 states and 90 transitions. [2022-11-21 23:46:30,342 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-21 23:46:30,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:46:30,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:30,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:30,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:46:30,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:30,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 62 states and 85 transitions. [2022-11-21 23:46:30,719 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-11-21 23:46:30,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:46:30,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:30,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:30,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:46:31,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:31,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 65 states and 88 transitions. [2022-11-21 23:46:31,092 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2022-11-21 23:46:31,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:46:31,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:31,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:31,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:46:31,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:31,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 63 states and 85 transitions. [2022-11-21 23:46:31,484 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2022-11-21 23:46:31,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:46:31,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:31,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:31,532 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 23:46:31,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:31,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 62 states and 82 transitions. [2022-11-21 23:46:31,823 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-11-21 23:46:31,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 23:46:31,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:31,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:31,933 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:46:32,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:32,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 67 states and 91 transitions. [2022-11-21 23:46:32,150 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2022-11-21 23:46:32,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:46:32,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:32,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:32,206 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 23:46:32,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:32,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 44 states and 56 transitions. [2022-11-21 23:46:32,264 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-21 23:46:32,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:46:32,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:46:32,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:46:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:46:32,433 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:46:32,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:46:32,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 43 states and 55 transitions. [2022-11-21 23:46:32,596 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-21 23:46:32,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:46:32,597 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-11-21 23:46:32,605 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 23:46:32,916 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:46:32,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:46:32 ImpRootNode [2022-11-21 23:46:32,921 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:46:32,922 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:46:32,922 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:46:32,922 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:46:32,923 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:46:25" (3/4) ... [2022-11-21 23:46:32,930 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:46:32,948 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:46:32,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:46:32,959 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 23:46:32,966 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 23:46:32,966 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:46:32,967 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:46:32,967 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:46:33,065 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:46:33,068 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:46:33,069 INFO L158 Benchmark]: Toolchain (without parser) took 9605.37ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 128.6MB in the beginning and 146.9MB in the end (delta: -18.3MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2022-11-21 23:46:33,070 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:46:33,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1260.59ms. Allocated memory is still 161.5MB. Free memory was 127.8MB in the beginning and 63.8MB in the end (delta: 64.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2022-11-21 23:46:33,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.67ms. Allocated memory is still 161.5MB. Free memory was 63.8MB in the beginning and 60.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:46:33,075 INFO L158 Benchmark]: Boogie Preprocessor took 29.86ms. Allocated memory is still 161.5MB. Free memory was 60.4MB in the beginning and 58.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:46:33,076 INFO L158 Benchmark]: RCFGBuilder took 713.24ms. Allocated memory is still 161.5MB. Free memory was 58.7MB in the beginning and 121.0MB in the end (delta: -62.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-21 23:46:33,076 INFO L158 Benchmark]: CodeCheck took 7363.20ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 121.0MB in the beginning and 151.0MB in the end (delta: -30.0MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2022-11-21 23:46:33,079 INFO L158 Benchmark]: Witness Printer took 146.75ms. Allocated memory is still 234.9MB. Free memory was 151.0MB in the beginning and 146.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:46:33,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4607 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1715 mSDsluCounter, 3621 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1388 mSDsCounter, 1051 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4515 IncrementalHoareTripleChecker+Invalid, 5566 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1051 mSolverCounterUnsat, 2233 mSDtfsCounter, 4515 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6088 GetRequests, 5926 SyntacticMatches, 12 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11128 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 585 ConstructedInterpolants, 0 QuantifiedInterpolants, 1246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: 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: 1668]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1260.59ms. Allocated memory is still 161.5MB. Free memory was 127.8MB in the beginning and 63.8MB in the end (delta: 64.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.67ms. Allocated memory is still 161.5MB. Free memory was 63.8MB in the beginning and 60.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.86ms. Allocated memory is still 161.5MB. Free memory was 60.4MB in the beginning and 58.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 713.24ms. Allocated memory is still 161.5MB. Free memory was 58.7MB in the beginning and 121.0MB in the end (delta: -62.3MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * CodeCheck took 7363.20ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 121.0MB in the beginning and 151.0MB in the end (delta: -30.0MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. * Witness Printer took 146.75ms. Allocated memory is still 234.9MB. Free memory was 151.0MB in the beginning and 146.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:46:33,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe87067-9b2f-4747-94d3-62b497d9c8ab/bin/ukojak-jW3SillKbg/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