./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-dietlibc/strtol.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_79a6bacf-6e04-40c9-a173-baf79daf81e8/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a6bacf-6e04-40c9-a173-baf79daf81e8/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_79a6bacf-6e04-40c9-a173-baf79daf81e8/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a6bacf-6e04-40c9-a173-baf79daf81e8/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtol.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a6bacf-6e04-40c9-a173-baf79daf81e8/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_79a6bacf-6e04-40c9-a173-baf79daf81e8/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 bcbc91130461471a924c9b7d42b69988876440be9da9cf52278e4a7d2ea580f0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:54:26,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:54:26,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:54:26,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:54:26,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:54:26,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:54:26,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:54:26,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:54:26,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:54:26,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:54:26,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:54:26,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:54:26,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:54:26,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:54:26,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:54:26,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:54:26,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:54:26,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:54:26,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:54:26,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:54:26,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:54:26,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:54:26,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:54:26,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:54:26,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:54:26,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:54:26,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:54:26,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:54:26,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:54:26,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:54:26,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:54:26,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:54:26,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:54:26,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:54:26,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:54:26,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:54:26,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:54:26,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:54:26,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:54:26,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:54:26,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:54:26,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a6bacf-6e04-40c9-a173-baf79daf81e8/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:54:26,222 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:54:26,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:54:26,224 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:54:26,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:54:26,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:54:26,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:54:26,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:54:26,225 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:54:26,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:54:26,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:54:26,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:54:26,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:54:26,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:54:26,228 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:54:26,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:54:26,228 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:54:26,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:54:26,229 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:54:26,229 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:54:26,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:54:26,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:54:26,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:54:26,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:54:26,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:54:26,230 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:54:26,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:54:26,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:54:26,231 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_79a6bacf-6e04-40c9-a173-baf79daf81e8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a6bacf-6e04-40c9-a173-baf79daf81e8/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcbc91130461471a924c9b7d42b69988876440be9da9cf52278e4a7d2ea580f0 [2022-11-21 23:54:26,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:54:26,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:54:26,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:54:26,530 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:54:26,530 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:54:26,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a6bacf-6e04-40c9-a173-baf79daf81e8/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-dietlibc/strtol.i [2022-11-21 23:54:29,579 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:54:29,860 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:54:29,860 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a6bacf-6e04-40c9-a173-baf79daf81e8/sv-benchmarks/c/termination-dietlibc/strtol.i [2022-11-21 23:54:29,881 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a6bacf-6e04-40c9-a173-baf79daf81e8/bin/ukojak-jW3SillKbg/data/9f650d644/ccba78b1802d4005b34c7deab3b36635/FLAG0bb177645 [2022-11-21 23:54:29,896 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a6bacf-6e04-40c9-a173-baf79daf81e8/bin/ukojak-jW3SillKbg/data/9f650d644/ccba78b1802d4005b34c7deab3b36635 [2022-11-21 23:54:29,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:54:29,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:54:29,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:54:29,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:54:29,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:54:29,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:54:29" (1/1) ... [2022-11-21 23:54:29,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ea2811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:54:29, skipping insertion in model container [2022-11-21 23:54:29,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:54:29" (1/1) ... [2022-11-21 23:54:29,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:54:29,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:54:30,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:54:30,361 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:54:30,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:54:30,474 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:54:30,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:54:30 WrapperNode [2022-11-21 23:54:30,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:54:30,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:54:30,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:54:30,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:54:30,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:54:30" (1/1) ... [2022-11-21 23:54:30,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:54:30" (1/1) ... [2022-11-21 23:54:30,569 INFO L138 Inliner]: procedures = 116, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 207 [2022-11-21 23:54:30,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:54:30,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:54:30,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:54:30,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:54:30,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:54:30" (1/1) ... [2022-11-21 23:54:30,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:54:30" (1/1) ... [2022-11-21 23:54:30,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:54:30" (1/1) ... [2022-11-21 23:54:30,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:54:30" (1/1) ... [2022-11-21 23:54:30,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:54:30" (1/1) ... [2022-11-21 23:54:30,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:54:30" (1/1) ... [2022-11-21 23:54:30,607 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:54:30" (1/1) ... [2022-11-21 23:54:30,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:54:30" (1/1) ... [2022-11-21 23:54:30,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:54:30,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:54:30,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:54:30,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:54:30,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:54:30" (1/1) ... [2022-11-21 23:54:30,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:54:30,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a6bacf-6e04-40c9-a173-baf79daf81e8/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:54:30,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a6bacf-6e04-40c9-a173-baf79daf81e8/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:54:30,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a6bacf-6e04-40c9-a173-baf79daf81e8/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:54:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:54:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:54:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:54:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 23:54:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 23:54:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:54:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 23:54:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:54:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:54:30,827 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:54:30,829 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:54:31,294 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:54:31,417 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:54:31,417 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 23:54:31,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:54:31 BoogieIcfgContainer [2022-11-21 23:54:31,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:54:31,421 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:54:31,421 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:54:31,433 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:54:31,433 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:54:31" (1/1) ... [2022-11-21 23:54:31,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:54:31,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:31,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 63 states and 79 transitions. [2022-11-21 23:54:31,508 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-11-21 23:54:31,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 23:54:31,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:31,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:54:31,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:31,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 64 states and 80 transitions. [2022-11-21 23:54:31,807 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2022-11-21 23:54:31,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:54:31,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:31,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:31,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:54:31,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:31,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2022-11-21 23:54:31,954 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2022-11-21 23:54:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:54:31,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:31,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:54:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:32,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 69 states and 87 transitions. [2022-11-21 23:54:32,059 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2022-11-21 23:54:32,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:54:32,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:32,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:32,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:54:32,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:32,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 73 states and 95 transitions. [2022-11-21 23:54:32,426 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2022-11-21 23:54:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:54:32,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:32,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:54:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 76 states and 99 transitions. [2022-11-21 23:54:32,582 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2022-11-21 23:54:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:54:32,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:32,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:54:32,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:32,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 77 states and 102 transitions. [2022-11-21 23:54:32,688 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 102 transitions. [2022-11-21 23:54:32,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:54:32,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:32,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:32,718 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 23:54:32,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:32,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 79 states and 103 transitions. [2022-11-21 23:54:32,787 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 103 transitions. [2022-11-21 23:54:32,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:54:32,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:32,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:32,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:54:32,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:32,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 102 transitions. [2022-11-21 23:54:32,912 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2022-11-21 23:54:32,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:54:32,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:32,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:33,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:54:33,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:33,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 83 states and 111 transitions. [2022-11-21 23:54:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2022-11-21 23:54:33,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:54:33,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:33,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:54:33,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:33,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 84 states and 112 transitions. [2022-11-21 23:54:33,493 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 112 transitions. [2022-11-21 23:54:33,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:54:33,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:33,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:33,625 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:54:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:33,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 89 states and 119 transitions. [2022-11-21 23:54:33,979 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 119 transitions. [2022-11-21 23:54:33,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:54:33,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:33,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:54:34,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:34,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 91 states and 121 transitions. [2022-11-21 23:54:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 121 transitions. [2022-11-21 23:54:34,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:54:34,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:34,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:54:34,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:34,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 91 states and 119 transitions. [2022-11-21 23:54:34,275 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-21 23:54:34,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:54:34,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:34,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 23:54:34,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:34,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 92 states and 120 transitions. [2022-11-21 23:54:34,560 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2022-11-21 23:54:34,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:54:34,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:34,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:34,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:54:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 91 states and 119 transitions. [2022-11-21 23:54:34,857 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-21 23:54:34,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:54:34,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:34,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:34,989 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:54:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:35,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 96 states and 130 transitions. [2022-11-21 23:54:35,577 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 130 transitions. [2022-11-21 23:54:35,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:54:35,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:35,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:54:35,609 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:54:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:54:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:54:35,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:54:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:54:35,783 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 17 iterations. [2022-11-21 23:54:35,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:54:35 ImpRootNode [2022-11-21 23:54:35,824 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:54:35,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:54:35,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:54:35,825 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:54:35,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:54:31" (3/4) ... [2022-11-21 23:54:35,827 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 23:54:35,914 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a6bacf-6e04-40c9-a173-baf79daf81e8/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:54:35,921 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:54:35,922 INFO L158 Benchmark]: Toolchain (without parser) took 6021.60ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 119.8MB in the beginning and 139.3MB in the end (delta: -19.5MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2022-11-21 23:54:35,923 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 113.2MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:54:35,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 574.48ms. Allocated memory is still 161.5MB. Free memory was 119.8MB in the beginning and 102.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:54:35,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.83ms. Allocated memory is still 161.5MB. Free memory was 102.4MB in the beginning and 100.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:54:35,927 INFO L158 Benchmark]: Boogie Preprocessor took 33.63ms. Allocated memory is still 161.5MB. Free memory was 100.0MB in the beginning and 97.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:54:35,928 INFO L158 Benchmark]: RCFGBuilder took 806.72ms. Allocated memory is still 161.5MB. Free memory was 97.9MB in the beginning and 116.9MB in the end (delta: -19.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-11-21 23:54:35,928 INFO L158 Benchmark]: CodeCheck took 4402.84ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 116.9MB in the beginning and 142.5MB in the end (delta: -25.5MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2022-11-21 23:54:35,929 INFO L158 Benchmark]: Witness Printer took 97.29ms. Allocated memory is still 211.8MB. Free memory was 142.5MB in the beginning and 139.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:54:35,932 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, 63 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 17, 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, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 615 mSDsluCounter, 170 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 98 mSDsCounter, 326 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1877 IncrementalHoareTripleChecker+Invalid, 2203 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 326 mSolverCounterUnsat, 72 mSDtfsCounter, 1877 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1234 GetRequests, 1142 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3638 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 22/44 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 - CounterExampleResult [Line: 519]: integer overflow possible integer overflow possible We found a FailurePath: [L562] int in_len = __VERIFIER_nondet_int(); [L563] COND FALSE !(in_len < 1) [L564] char* in = __builtin_alloca (in_len); [L565] int i=0; VAL [__builtin_alloca (in_len)={2:0}, i=0, in={2:0}, in_len=1] [L565] EXPR in_len-1 VAL [__builtin_alloca (in_len)={2:0}, i=0, in={2:0}, in_len=1] [L565] COND FALSE !(i