./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_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_7badca35-bc83-4e79-9ddc-bcf237786110/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7badca35-bc83-4e79-9ddc-bcf237786110/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_7badca35-bc83-4e79-9ddc-bcf237786110/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7badca35-bc83-4e79-9ddc-bcf237786110/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7badca35-bc83-4e79-9ddc-bcf237786110/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_7badca35-bc83-4e79-9ddc-bcf237786110/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 e149814b570a219b8765979fd76a7b8122471d93eb9f9186bc97c78c8e439591 --- 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 22:16:41,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:16:41,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:16:41,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:16:41,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:16:41,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:16:41,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:16:41,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:16:41,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:16:41,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:16:41,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:16:41,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:16:41,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:16:41,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:16:41,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:16:41,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:16:41,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:16:41,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:16:41,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:16:41,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:16:41,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:16:41,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:16:41,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:16:41,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:16:41,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:16:41,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:16:41,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:16:41,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:16:41,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:16:41,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:16:41,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:16:41,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:16:41,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:16:41,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:16:41,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:16:41,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:16:41,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:16:41,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:16:41,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:16:41,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:16:41,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:16:41,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7badca35-bc83-4e79-9ddc-bcf237786110/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:16:41,854 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:16:41,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:16:41,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:16:41,855 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:16:41,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:16:41,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:16:41,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:16:41,857 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:16:41,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:16:41,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:16:41,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:16:41,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:16:41,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:16:41,858 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:16:41,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:16:41,859 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:16:41,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:16:41,860 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:16:41,860 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:16:41,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:16:41,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:16:41,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:16:41,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:16:41,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:16:41,861 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:16:41,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:16:41,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:16:41,862 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_7badca35-bc83-4e79-9ddc-bcf237786110/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7badca35-bc83-4e79-9ddc-bcf237786110/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e149814b570a219b8765979fd76a7b8122471d93eb9f9186bc97c78c8e439591 [2022-11-21 22:16:42,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:16:42,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:16:42,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:16:42,222 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:16:42,223 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:16:42,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7badca35-bc83-4e79-9ddc-bcf237786110/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_good.i [2022-11-21 22:16:45,228 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:16:45,668 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:16:45,668 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7badca35-bc83-4e79-9ddc-bcf237786110/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_good.i [2022-11-21 22:16:45,690 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7badca35-bc83-4e79-9ddc-bcf237786110/bin/ukojak-jW3SillKbg/data/c454d3b9d/682ee485aeb043af8ded96e4da267547/FLAG9f549b6b7 [2022-11-21 22:16:45,714 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7badca35-bc83-4e79-9ddc-bcf237786110/bin/ukojak-jW3SillKbg/data/c454d3b9d/682ee485aeb043af8ded96e4da267547 [2022-11-21 22:16:45,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:16:45,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:16:45,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:16:45,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:16:45,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:16:45,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:45" (1/1) ... [2022-11-21 22:16:45,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4d5a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:45, skipping insertion in model container [2022-11-21 22:16:45,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:45" (1/1) ... [2022-11-21 22:16:45,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:16:45,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:16:46,146 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:16:46,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:16:46,838 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:16:46,868 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:16:46,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:16:47,100 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:16:47,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:47 WrapperNode [2022-11-21 22:16:47,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:16:47,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:16:47,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:16:47,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:16:47,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:47" (1/1) ... [2022-11-21 22:16:47,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:47" (1/1) ... [2022-11-21 22:16:47,162 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2022-11-21 22:16:47,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:16:47,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:16:47,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:16:47,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:16:47,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:47" (1/1) ... [2022-11-21 22:16:47,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:47" (1/1) ... [2022-11-21 22:16:47,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:47" (1/1) ... [2022-11-21 22:16:47,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:47" (1/1) ... [2022-11-21 22:16:47,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:47" (1/1) ... [2022-11-21 22:16:47,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:47" (1/1) ... [2022-11-21 22:16:47,188 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:47" (1/1) ... [2022-11-21 22:16:47,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:47" (1/1) ... [2022-11-21 22:16:47,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:16:47,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:16:47,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:16:47,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:16:47,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:47" (1/1) ... [2022-11-21 22:16:47,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:16:47,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7badca35-bc83-4e79-9ddc-bcf237786110/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:16:47,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7badca35-bc83-4e79-9ddc-bcf237786110/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:16:47,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7badca35-bc83-4e79-9ddc-bcf237786110/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:16:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:16:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:16:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 22:16:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:16:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:16:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:16:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 22:16:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:16:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:16:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:16:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:16:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:16:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:16:47,456 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:16:47,458 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:16:47,771 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:16:47,812 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:16:47,818 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:16:47,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:47 BoogieIcfgContainer [2022-11-21 22:16:47,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:16:47,822 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:16:47,822 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:16:47,832 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:16:47,832 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:47" (1/1) ... [2022-11-21 22:16:47,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:16:47,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:47,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-21 22:16:47,916 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-21 22:16:47,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:16:47,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:47,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:48,266 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 22:16:48,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:48,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-11-21 22:16:48,328 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 22:16:48,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:16:48,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:48,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:48,499 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 22:16:48,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:48,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-11-21 22:16:48,551 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-21 22:16:48,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:16:48,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:48,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:48,638 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 22:16:48,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 77 transitions. [2022-11-21 22:16:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2022-11-21 22:16:48,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:16:48,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:48,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:48,795 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 22:16:48,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:48,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 70 transitions. [2022-11-21 22:16:48,912 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-21 22:16:48,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:16:48,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:48,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:48,999 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 22:16:49,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:49,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 72 transitions. [2022-11-21 22:16:49,470 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 22:16:49,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:16:49,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:49,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:49,565 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 22:16:49,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:49,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 59 states and 82 transitions. [2022-11-21 22:16:49,969 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-11-21 22:16:49,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:16:49,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:49,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:50,017 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 22:16:50,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:50,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 76 transitions. [2022-11-21 22:16:50,044 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-21 22:16:50,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:16:50,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:50,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:50,108 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 22:16:50,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:50,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 79 transitions. [2022-11-21 22:16:50,311 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-11-21 22:16:50,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:16:50,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:50,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:50,402 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 22:16:50,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:50,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 63 states and 86 transitions. [2022-11-21 22:16:50,448 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-21 22:16:50,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:16:50,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:50,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:50,512 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 22:16:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 83 transitions. [2022-11-21 22:16:50,700 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-21 22:16:50,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:16:50,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:50,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:50,774 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 22:16:50,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 82 transitions. [2022-11-21 22:16:50,868 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2022-11-21 22:16:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:16:50,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:50,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:50,903 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 22:16:51,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 84 transitions. [2022-11-21 22:16:51,011 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-11-21 22:16:51,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:16:51,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:51,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:51,077 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 22:16:51,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:51,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 62 states and 82 transitions. [2022-11-21 22:16:51,237 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-11-21 22:16:51,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:16:51,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:51,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:51,281 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 22:16:51,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:51,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 50 states and 66 transitions. [2022-11-21 22:16:51,299 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-21 22:16:51,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 22:16:51,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:51,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:51,342 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 22:16:51,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:51,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 48 states and 63 transitions. [2022-11-21 22:16:51,405 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-21 22:16:51,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 22:16:51,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:51,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:51,488 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 22:16:51,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:51,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 67 transitions. [2022-11-21 22:16:51,537 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-21 22:16:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:16:51,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:51,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:51,621 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 22:16:51,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:51,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 53 states and 72 transitions. [2022-11-21 22:16:51,750 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 22:16:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:16:51,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:51,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:51,792 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 22:16:52,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:52,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 62 states and 86 transitions. [2022-11-21 22:16:52,422 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-11-21 22:16:52,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:16:52,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:52,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:52,458 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 22:16:52,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:52,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 65 states and 90 transitions. [2022-11-21 22:16:52,776 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-21 22:16:52,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:16:52,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:52,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:52,814 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 22:16:53,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:53,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 62 states and 85 transitions. [2022-11-21 22:16:53,130 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-11-21 22:16:53,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 22:16:53,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:53,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:53,168 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 22:16:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:53,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 65 states and 90 transitions. [2022-11-21 22:16:53,463 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-21 22:16:53,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:16:53,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:53,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:53,518 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 22:16:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:53,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 68 states and 93 transitions. [2022-11-21 22:16:53,886 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2022-11-21 22:16:53,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 22:16:53,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:53,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:53,959 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 22:16:54,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:54,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 67 states and 90 transitions. [2022-11-21 22:16:54,248 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-11-21 22:16:54,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 22:16:54,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:54,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:54,347 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 22:16:54,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:54,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 72 states and 99 transitions. [2022-11-21 22:16:54,551 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2022-11-21 22:16:54,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 22:16:54,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:54,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:54,586 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 22:16:54,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:54,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 67 states and 91 transitions. [2022-11-21 22:16:54,679 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2022-11-21 22:16:54,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 22:16:54,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:54,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:54,753 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 22:16:54,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 44 states and 56 transitions. [2022-11-21 22:16:54,791 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-21 22:16:54,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 22:16:54,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:54,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:54,888 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 22:16:55,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:55,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 43 states and 55 transitions. [2022-11-21 22:16:55,045 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-21 22:16:55,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:16:55,046 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2022-11-21 22:16:55,064 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 22:16:55,368 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:16:55,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:16:55 ImpRootNode [2022-11-21 22:16:55,374 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:16:55,379 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:16:55,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:16:55,381 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:16:55,382 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:47" (3/4) ... [2022-11-21 22:16:55,385 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:16:55,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:16:55,406 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:16:55,411 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 22:16:55,411 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 22:16:55,411 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 22:16:55,412 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:16:55,412 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:16:55,481 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7badca35-bc83-4e79-9ddc-bcf237786110/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:16:55,481 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:16:55,482 INFO L158 Benchmark]: Toolchain (without parser) took 9764.06ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 130.9MB in the beginning and 139.0MB in the end (delta: -8.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2022-11-21 22:16:55,483 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 125.8MB. Free memory was 98.8MB in the beginning and 98.6MB in the end (delta: 147.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:16:55,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1382.13ms. Allocated memory is still 159.4MB. Free memory was 130.9MB in the beginning and 81.7MB in the end (delta: 49.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-21 22:16:55,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.06ms. Allocated memory is still 159.4MB. Free memory was 81.7MB in the beginning and 78.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:16:55,484 INFO L158 Benchmark]: Boogie Preprocessor took 28.84ms. Allocated memory is still 159.4MB. Free memory was 78.6MB in the beginning and 76.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:16:55,485 INFO L158 Benchmark]: RCFGBuilder took 627.73ms. Allocated memory is still 159.4MB. Free memory was 76.7MB in the beginning and 121.3MB in the end (delta: -44.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-11-21 22:16:55,485 INFO L158 Benchmark]: CodeCheck took 7556.58ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 121.3MB in the beginning and 143.1MB in the end (delta: -21.9MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2022-11-21 22:16:55,486 INFO L158 Benchmark]: Witness Printer took 102.75ms. Allocated memory is still 232.8MB. Free memory was 143.1MB in the beginning and 139.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:16:55,488 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: 7.2s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4908 SdHoareTripleChecker+Valid, 9.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1844 mSDsluCounter, 3855 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1495 mSDsCounter, 1123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4866 IncrementalHoareTripleChecker+Invalid, 5989 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1123 mSolverCounterUnsat, 2360 mSDtfsCounter, 4866 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6464 GetRequests, 6300 SyntacticMatches, 12 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11475 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 644 NumberOfCodeBlocks, 644 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 617 ConstructedInterpolants, 0 QuantifiedInterpolants, 1332 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 132/132 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: 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: 1666]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 125.8MB. Free memory was 98.8MB in the beginning and 98.6MB in the end (delta: 147.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1382.13ms. Allocated memory is still 159.4MB. Free memory was 130.9MB in the beginning and 81.7MB in the end (delta: 49.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.06ms. Allocated memory is still 159.4MB. Free memory was 81.7MB in the beginning and 78.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.84ms. Allocated memory is still 159.4MB. Free memory was 78.6MB in the beginning and 76.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 627.73ms. Allocated memory is still 159.4MB. Free memory was 76.7MB in the beginning and 121.3MB in the end (delta: -44.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * CodeCheck took 7556.58ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 121.3MB in the beginning and 143.1MB in the end (delta: -21.9MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * Witness Printer took 102.75ms. Allocated memory is still 232.8MB. Free memory was 143.1MB in the beginning and 139.0MB 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 22:16:55,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7badca35-bc83-4e79-9ddc-bcf237786110/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