./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash add832db9966806672143f442a800cc78e611fa9ff35088033e3f681c682e59f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:43:42,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:43:42,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:43:42,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:43:42,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:43:42,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:43:42,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:43:42,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:43:42,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:43:42,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:43:42,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:43:42,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:43:42,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:43:42,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:43:42,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:43:42,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:43:42,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:43:42,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:43:42,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:43:42,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:43:42,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:43:42,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:43:42,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:43:42,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:43:42,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:43:42,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:43:42,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:43:42,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:43:42,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:43:42,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:43:42,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:43:42,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:43:42,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:43:42,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:43:42,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:43:42,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:43:42,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:43:42,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:43:42,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:43:42,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:43:42,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:43:42,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 23:43:42,145 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:43:42,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:43:42,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:43:42,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:43:42,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:43:42,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:43:42,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:43:42,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:43:42,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:43:42,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:43:42,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:43:42,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:43:42,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:43:42,149 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:43:42,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:43:42,149 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:43:42,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:43:42,150 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:43:42,150 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:43:42,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:43:42,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:43:42,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:43:42,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:43:42,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:43:42,151 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:43:42,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:43:42,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:43:42,152 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_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> add832db9966806672143f442a800cc78e611fa9ff35088033e3f681c682e59f [2022-12-14 23:43:42,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:43:42,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:43:42,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:43:42,369 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:43:42,369 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:43:42,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca-2.i [2022-12-14 23:43:44,999 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:43:45,173 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:43:45,174 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca-2.i [2022-12-14 23:43:45,181 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4/data/0959e3a14/125fb1857a064852b2a22e6f636e2f9a/FLAGb182329d1 [2022-12-14 23:43:45,192 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4/data/0959e3a14/125fb1857a064852b2a22e6f636e2f9a [2022-12-14 23:43:45,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:43:45,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:43:45,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:43:45,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:43:45,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:43:45,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:43:45" (1/1) ... [2022-12-14 23:43:45,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e2c18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:45, skipping insertion in model container [2022-12-14 23:43:45,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:43:45" (1/1) ... [2022-12-14 23:43:45,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:43:45,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:43:45,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:43:45,461 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:43:45,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:43:45,514 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:43:45,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:45 WrapperNode [2022-12-14 23:43:45,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:43:45,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:43:45,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:43:45,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:43:45,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:45" (1/1) ... [2022-12-14 23:43:45,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:45" (1/1) ... [2022-12-14 23:43:45,550 INFO L138 Inliner]: procedures = 110, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2022-12-14 23:43:45,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:43:45,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:43:45,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:43:45,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:43:45,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:45" (1/1) ... [2022-12-14 23:43:45,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:45" (1/1) ... [2022-12-14 23:43:45,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:45" (1/1) ... [2022-12-14 23:43:45,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:45" (1/1) ... [2022-12-14 23:43:45,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:45" (1/1) ... [2022-12-14 23:43:45,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:45" (1/1) ... [2022-12-14 23:43:45,568 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:45" (1/1) ... [2022-12-14 23:43:45,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:45" (1/1) ... [2022-12-14 23:43:45,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:43:45,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:43:45,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:43:45,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:43:45,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:43:45" (1/1) ... [2022-12-14 23:43:45,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:43:45,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:43:45,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:43:45,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:43:45,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:43:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:43:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:43:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:43:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:43:45,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:43:45,720 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:43:45,722 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:43:45,833 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:43:45,891 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:43:45,891 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:43:45,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:43:45 BoogieIcfgContainer [2022-12-14 23:43:45,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:43:45,894 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:43:45,894 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:43:45,903 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:43:45,903 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:43:45" (1/1) ... [2022-12-14 23:43:45,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:43:45,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:43:45,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-12-14 23:43:45,949 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-14 23:43:45,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 23:43:45,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:43:45,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:43:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:43:46,111 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 23:43:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:43:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:43:46,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 23:43:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:43:46,262 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-12-14 23:43:46,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:43:46 ImpRootNode [2022-12-14 23:43:46,295 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:43:46,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:43:46,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:43:46,296 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:43:46,296 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:43:45" (3/4) ... [2022-12-14 23:43:46,298 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 23:43:46,335 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:43:46,335 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:43:46,336 INFO L158 Benchmark]: Toolchain (without parser) took 1139.83ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 111.2MB in the beginning and 148.2MB in the end (delta: -37.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-12-14 23:43:46,336 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 117.9MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:43:46,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.99ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 95.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 23:43:46,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.20ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:43:46,338 INFO L158 Benchmark]: Boogie Preprocessor took 20.20ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 92.4MB in the end (delta: 921.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:43:46,338 INFO L158 Benchmark]: RCFGBuilder took 321.72ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 75.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 23:43:46,339 INFO L158 Benchmark]: CodeCheck took 400.43ms. Allocated memory is still 142.6MB. Free memory was 75.6MB in the beginning and 111.3MB in the end (delta: -35.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2022-12-14 23:43:46,340 INFO L158 Benchmark]: Witness Printer took 39.40ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 111.3MB in the beginning and 148.2MB in the end (delta: -36.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-12-14 23:43:46,343 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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: 561]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* x = __builtin_alloca (sizeof(int)); [L549] int* y = __builtin_alloca (sizeof(int)); [L550] int* z = __builtin_alloca (sizeof(int)); [L551] int* m = __builtin_alloca (sizeof(int)); [L552] int* n = __builtin_alloca (sizeof(int)); [L553] *y = __VERIFIER_nondet_int() [L554] *z = __VERIFIER_nondet_int() [L555] COND FALSE !(__VERIFIER_nondet_int()) [L558] *x = -1 VAL [__builtin_alloca (sizeof(int))={30618:0}, __builtin_alloca (sizeof(int))={30619:0}, __builtin_alloca (sizeof(int))={30614:0}, __builtin_alloca (sizeof(int))={30617:0}, __builtin_alloca (sizeof(int))={30616:0}, m={30616:0}, n={30617:0}, x={30614:0}, y={30618:0}, z={30619:0}] [L560] EXPR \read(*y) [L560] *y < 100 && *z < 100 [L560] EXPR \read(*z) [L560] *y < 100 && *z < 100 VAL [*y < 100 && *z < 100=1, \read(*y)=-2147483648, \read(*z)=0, __builtin_alloca (sizeof(int))={30614:0}, __builtin_alloca (sizeof(int))={30618:0}, __builtin_alloca (sizeof(int))={30619:0}, __builtin_alloca (sizeof(int))={30617:0}, __builtin_alloca (sizeof(int))={30616:0}, m={30616:0}, n={30617:0}, x={30614:0}, y={30618:0}, z={30619:0}] [L560] COND TRUE *y < 100 && *z < 100 [L561] EXPR \read(*y) [L561] EXPR \read(*x) VAL [\read(*x)=-1, \read(*y)=-2147483648, __builtin_alloca (sizeof(int))={30618:0}, __builtin_alloca (sizeof(int))={30619:0}, __builtin_alloca (sizeof(int))={30614:0}, __builtin_alloca (sizeof(int))={30617:0}, __builtin_alloca (sizeof(int))={30616:0}, m={30616:0}, n={30617:0}, x={30614:0}, y={30618:0}, z={30619:0}] [L561] *y + *x VAL [\read(*x)=-1, \read(*y)=-2147483648, __builtin_alloca (sizeof(int))={30618:0}, __builtin_alloca (sizeof(int))={30619:0}, __builtin_alloca (sizeof(int))={30614:0}, __builtin_alloca (sizeof(int))={30617:0}, __builtin_alloca (sizeof(int))={30616:0}, m={30616:0}, n={30617:0}, x={30614:0}, y={30618:0}, z={30619:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 117.9MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.99ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 95.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.20ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.20ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 92.4MB in the end (delta: 921.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 321.72ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 75.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 400.43ms. Allocated memory is still 142.6MB. Free memory was 75.6MB in the beginning and 111.3MB in the end (delta: -35.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Witness Printer took 39.40ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 111.3MB in the beginning and 148.2MB in the end (delta: -36.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 23:43:46,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc25d6-92fa-457a-8ced-bc7a5bbdd5a2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)