./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1f627a-538c-47f7-8d70-cbcef39bfc90/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1f627a-538c-47f7-8d70-cbcef39bfc90/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_7a1f627a-538c-47f7-8d70-cbcef39bfc90/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1f627a-538c-47f7-8d70-cbcef39bfc90/bin/ukojak-jW3SillKbg/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1f627a-538c-47f7-8d70-cbcef39bfc90/bin/ukojak-jW3SillKbg/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1f627a-538c-47f7-8d70-cbcef39bfc90/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c8ee3d6cfd19d89eb63acd84af9095ccede1106773f9e76a6ea9a3caed85cc30 --- 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 22:26:18,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:26:18,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:26:18,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:26:18,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:26:18,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:26:18,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:26:18,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:26:18,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:26:18,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:26:18,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:26:18,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:26:18,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:26:18,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:26:18,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:26:18,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:26:18,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:26:18,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:26:18,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:26:18,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:26:18,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:26:18,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:26:18,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:26:18,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:26:18,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:26:18,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:26:18,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:26:18,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:26:18,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:26:18,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:26:18,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:26:18,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:26:18,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:26:18,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:26:18,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:26:18,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:26:18,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:26:18,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:26:18,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:26:18,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:26:18,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:26:18,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1f627a-538c-47f7-8d70-cbcef39bfc90/bin/ukojak-jW3SillKbg/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-11-21 22:26:18,272 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:26:18,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:26:18,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:26:18,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:26:18,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:26:18,274 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:26:18,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:26:18,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:26:18,275 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-21 22:26:18,275 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-21 22:26:18,276 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-21 22:26:18,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:26:18,276 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:26:18,276 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:26:18,276 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:26:18,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:26:18,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:26:18,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:26:18,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:26:18,278 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:26:18,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:26:18,278 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_7a1f627a-538c-47f7-8d70-cbcef39bfc90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1f627a-538c-47f7-8d70-cbcef39bfc90/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8ee3d6cfd19d89eb63acd84af9095ccede1106773f9e76a6ea9a3caed85cc30 [2022-11-21 22:26:18,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:26:18,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:26:18,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:26:18,659 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:26:18,660 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:26:18,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1f627a-538c-47f7-8d70-cbcef39bfc90/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca.i [2022-11-21 22:26:21,800 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:26:22,023 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:26:22,024 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1f627a-538c-47f7-8d70-cbcef39bfc90/sv-benchmarks/c/termination-memory-alloca/java_LogBuiltIn-alloca.i [2022-11-21 22:26:22,064 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1f627a-538c-47f7-8d70-cbcef39bfc90/bin/ukojak-jW3SillKbg/data/0da19acbd/c5d109aee9ae491c98df514701e02360/FLAG0d3382709 [2022-11-21 22:26:22,113 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1f627a-538c-47f7-8d70-cbcef39bfc90/bin/ukojak-jW3SillKbg/data/0da19acbd/c5d109aee9ae491c98df514701e02360 [2022-11-21 22:26:22,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:26:22,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:26:22,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:26:22,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:26:22,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:26:22,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:22" (1/1) ... [2022-11-21 22:26:22,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d01644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:22, skipping insertion in model container [2022-11-21 22:26:22,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:22" (1/1) ... [2022-11-21 22:26:22,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:26:22,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:26:22,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:26:22,454 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:26:22,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:26:22,528 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:26:22,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:22 WrapperNode [2022-11-21 22:26:22,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:26:22,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:26:22,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:26:22,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:26:22,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:22" (1/1) ... [2022-11-21 22:26:22,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:22" (1/1) ... [2022-11-21 22:26:22,568 INFO L138 Inliner]: procedures = 111, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2022-11-21 22:26:22,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:26:22,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:26:22,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:26:22,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:26:22,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:22" (1/1) ... [2022-11-21 22:26:22,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:22" (1/1) ... [2022-11-21 22:26:22,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:22" (1/1) ... [2022-11-21 22:26:22,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:22" (1/1) ... [2022-11-21 22:26:22,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:22" (1/1) ... [2022-11-21 22:26:22,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:22" (1/1) ... [2022-11-21 22:26:22,590 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:22" (1/1) ... [2022-11-21 22:26:22,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:22" (1/1) ... [2022-11-21 22:26:22,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:26:22,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:26:22,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:26:22,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:26:22,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:22" (1/1) ... [2022-11-21 22:26:22,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:26:22,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1f627a-538c-47f7-8d70-cbcef39bfc90/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:26:22,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1f627a-538c-47f7-8d70-cbcef39bfc90/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:26:22,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1f627a-538c-47f7-8d70-cbcef39bfc90/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:26:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:26:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:26:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:26:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:26:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:26:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:26:22,817 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:26:22,820 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:26:23,059 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:26:23,086 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:26:23,086 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 22:26:23,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:23 BoogieIcfgContainer [2022-11-21 22:26:23,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:26:23,089 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:26:23,089 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:26:23,099 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:26:23,099 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:23" (1/1) ... [2022-11-21 22:26:23,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:26:23,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:23,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2022-11-21 22:26:23,187 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2022-11-21 22:26:23,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-21 22:26:23,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:23,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:23,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:26:23,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:23,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2022-11-21 22:26:23,551 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2022-11-21 22:26:23,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-21 22:26:23,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:23,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:23,700 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 22:26:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2022-11-21 22:26:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2022-11-21 22:26:23,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 22:26:23,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:23,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:23,877 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 22:26:24,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:24,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2022-11-21 22:26:24,062 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2022-11-21 22:26:24,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 22:26:24,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:24,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:24,256 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 22:26:24,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:24,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2022-11-21 22:26:24,561 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2022-11-21 22:26:24,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:26:24,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:24,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:24,628 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 22:26:24,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:24,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2022-11-21 22:26:24,754 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2022-11-21 22:26:24,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:26:24,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:24,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:24,869 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 22:26:25,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:25,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2022-11-21 22:26:25,171 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-11-21 22:26:25,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:26:25,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:25,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:25,196 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 22:26:25,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:25,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2022-11-21 22:26:25,364 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-11-21 22:26:25,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:26:25,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:25,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:25,482 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 22:26:25,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:25,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2022-11-21 22:26:25,824 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-11-21 22:26:25,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:26:25,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:25,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:25,859 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 22:26:25,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:25,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2022-11-21 22:26:25,976 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-11-21 22:26:25,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:26:25,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:25,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:26,011 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 22:26:26,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:26,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2022-11-21 22:26:26,103 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2022-11-21 22:26:26,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:26:26,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:26,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:26,415 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 22:26:27,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:27,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 39 states and 55 transitions. [2022-11-21 22:26:27,314 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2022-11-21 22:26:27,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:26:27,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:27,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:27,338 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 22:26:27,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:27,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2022-11-21 22:26:27,357 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2022-11-21 22:26:27,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:26:27,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:27,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:27,389 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 22:26:27,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:27,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 39 states and 55 transitions. [2022-11-21 22:26:27,409 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2022-11-21 22:26:27,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:26:27,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:27,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:27,438 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 22:26:27,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:27,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2022-11-21 22:26:27,478 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2022-11-21 22:26:27,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:26:27,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:27,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:27,515 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 22:26:27,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:27,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2022-11-21 22:26:27,546 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2022-11-21 22:26:27,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:26:27,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:27,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:27,567 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 22:26:27,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:27,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2022-11-21 22:26:27,588 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2022-11-21 22:26:27,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:26:27,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:27,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:27,626 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 22:26:27,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:27,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2022-11-21 22:26:27,653 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2022-11-21 22:26:27,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:26:27,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:27,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:27,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:26:27,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:27,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2022-11-21 22:26:27,698 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2022-11-21 22:26:27,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:26:27,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:27,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:27,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:26:27,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:27,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-11-21 22:26:27,776 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-21 22:26:27,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:26:27,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:27,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:27,963 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 22:26:28,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:28,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-21 22:26:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-21 22:26:28,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:26:28,030 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-11-21 22:26:28,040 INFO L754 CodeCheckObserver]: All specifications hold 17 specifications checked. All of them hold [2022-11-21 22:26:28,167 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-11-21 22:26:28,180 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 22:26:28,180 INFO L560 CodeCheckObserver]: Invariant with dag size 30 [2022-11-21 22:26:28,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:26:28 ImpRootNode [2022-11-21 22:26:28,185 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:26:28,185 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:26:28,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:26:28,191 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:26:28,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:23" (3/4) ... [2022-11-21 22:26:28,199 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:26:28,219 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-21 22:26:28,223 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 22:26:28,223 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 22:26:28,223 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:26:28,256 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((res + 4 <= unknown-#length-unknown[res] && \valid[x_ref] == 1) && x_ref == 0) && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && res == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && x_ref + 4 <= unknown-#length-unknown[x_ref]) && \valid[res] == 1 [2022-11-21 22:26:28,256 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res + 4 <= unknown-#length-unknown[res] && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && res == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[res] == 1 [2022-11-21 22:26:28,257 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-11-21 22:26:28,287 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1f627a-538c-47f7-8d70-cbcef39bfc90/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:26:28,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:26:28,291 INFO L158 Benchmark]: Toolchain (without parser) took 6174.23ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 116.5MB in the beginning and 129.7MB in the end (delta: -13.3MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2022-11-21 22:26:28,291 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:26:28,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.31ms. Allocated memory is still 144.7MB. Free memory was 116.5MB in the beginning and 100.7MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:26:28,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.49ms. Allocated memory is still 144.7MB. Free memory was 100.7MB in the beginning and 99.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:26:28,292 INFO L158 Benchmark]: Boogie Preprocessor took 24.31ms. Allocated memory is still 144.7MB. Free memory was 99.1MB in the beginning and 97.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:26:28,294 INFO L158 Benchmark]: RCFGBuilder took 494.57ms. Allocated memory is still 144.7MB. Free memory was 97.5MB in the beginning and 83.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:26:28,294 INFO L158 Benchmark]: CodeCheck took 5095.60ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 83.4MB in the beginning and 132.8MB in the end (delta: -49.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:26:28,295 INFO L158 Benchmark]: Witness Printer took 104.83ms. Allocated memory is still 174.1MB. Free memory was 132.8MB in the beginning and 129.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:26:28,296 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 1 procedures, 29 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 782 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 725 mSDsluCounter, 540 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 434 mSDsCounter, 428 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2171 IncrementalHoareTripleChecker+Invalid, 2599 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 428 mSolverCounterUnsat, 106 mSDtfsCounter, 2171 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1076 GetRequests, 966 SyntacticMatches, 26 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3267 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 4/4 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: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (((res + 4 <= unknown-#length-unknown[res] && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && res == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[res] == 1 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: ((((((res + 4 <= unknown-#length-unknown[res] && \valid[x_ref] == 1) && x_ref == 0) && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && res == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && x_ref + 4 <= unknown-#length-unknown[x_ref]) && \valid[res] == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.31ms. Allocated memory is still 144.7MB. Free memory was 116.5MB in the beginning and 100.7MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.49ms. Allocated memory is still 144.7MB. Free memory was 100.7MB in the beginning and 99.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.31ms. Allocated memory is still 144.7MB. Free memory was 99.1MB in the beginning and 97.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 494.57ms. Allocated memory is still 144.7MB. Free memory was 97.5MB in the beginning and 83.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 5095.60ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 83.4MB in the beginning and 132.8MB in the end (delta: -49.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 104.83ms. Allocated memory is still 174.1MB. Free memory was 132.8MB in the beginning and 129.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:26:28,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a1f627a-538c-47f7-8d70-cbcef39bfc90/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