./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/Et1_true.c --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_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/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_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/Et1_true.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/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_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/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 12a23acd81bac6be96fab6b12e781f8cdea13b9704294dc24053fce5ee3c8327 --- 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 [2022-12-15 00:30:08,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:30:08,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:30:08,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:30:08,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:30:08,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:30:08,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:30:08,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:30:08,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:30:08,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:30:08,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:30:08,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:30:08,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:30:08,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:30:08,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:30:08,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:30:08,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:30:08,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:30:08,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:30:08,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:30:08,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:30:08,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:30:08,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:30:08,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:30:08,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:30:08,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:30:08,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:30:08,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:30:08,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:30:08,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:30:08,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:30:08,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:30:08,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:30:08,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:30:08,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:30:08,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:30:08,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:30:08,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:30:08,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:30:08,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:30:08,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:30:08,386 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 00:30:08,406 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:30:08,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:30:08,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:30:08,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:30:08,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:30:08,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:30:08,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:30:08,409 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:30:08,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:30:08,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:30:08,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:30:08,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:30:08,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:30:08,410 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:30:08,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:30:08,410 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:30:08,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:30:08,410 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:30:08,411 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:30:08,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:30:08,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:30:08,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:30:08,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:30:08,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:30:08,412 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:30:08,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:30:08,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:30:08,412 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_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12a23acd81bac6be96fab6b12e781f8cdea13b9704294dc24053fce5ee3c8327 [2022-12-15 00:30:08,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:30:08,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:30:08,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:30:08,593 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:30:08,593 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:30:08,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-numeric/Et1_true.c [2022-12-15 00:30:11,221 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:30:11,361 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:30:11,361 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/sv-benchmarks/c/termination-numeric/Et1_true.c [2022-12-15 00:30:11,367 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/bin/ukojak-rkRKPMF4O4/data/2936d81f8/259d1e07cf9f417289956abb43406245/FLAG5db794297 [2022-12-15 00:30:11,378 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/bin/ukojak-rkRKPMF4O4/data/2936d81f8/259d1e07cf9f417289956abb43406245 [2022-12-15 00:30:11,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:30:11,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:30:11,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:30:11,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:30:11,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:30:11,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:30:11" (1/1) ... [2022-12-15 00:30:11,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b13689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:11, skipping insertion in model container [2022-12-15 00:30:11,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:30:11" (1/1) ... [2022-12-15 00:30:11,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:30:11,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:30:11,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:30:11,526 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:30:11,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:30:11,546 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:30:11,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:11 WrapperNode [2022-12-15 00:30:11,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:30:11,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:30:11,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:30:11,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:30:11,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:11" (1/1) ... [2022-12-15 00:30:11,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:11" (1/1) ... [2022-12-15 00:30:11,569 INFO L138 Inliner]: procedures = 6, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-12-15 00:30:11,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:30:11,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:30:11,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:30:11,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:30:11,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:11" (1/1) ... [2022-12-15 00:30:11,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:11" (1/1) ... [2022-12-15 00:30:11,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:11" (1/1) ... [2022-12-15 00:30:11,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:11" (1/1) ... [2022-12-15 00:30:11,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:11" (1/1) ... [2022-12-15 00:30:11,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:11" (1/1) ... [2022-12-15 00:30:11,582 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:11" (1/1) ... [2022-12-15 00:30:11,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:11" (1/1) ... [2022-12-15 00:30:11,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:30:11,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:30:11,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:30:11,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:30:11,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:11" (1/1) ... [2022-12-15 00:30:11,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:30:11,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:30:11,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:30:11,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:30:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure random [2022-12-15 00:30:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure random [2022-12-15 00:30:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure loop [2022-12-15 00:30:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure loop [2022-12-15 00:30:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:30:11,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:30:11,695 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:30:11,697 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:30:11,816 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:30:11,829 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:30:11,829 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 00:30:11,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:11 BoogieIcfgContainer [2022-12-15 00:30:11,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:30:11,832 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:30:11,832 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:30:11,843 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:30:11,843 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:11" (1/1) ... [2022-12-15 00:30:11,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:30:11,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:30:11,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2022-12-15 00:30:11,899 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2022-12-15 00:30:11,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:30:11,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:30:11,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:30:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:30:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:30:12,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:30:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 36 states and 39 transitions. [2022-12-15 00:30:12,028 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2022-12-15 00:30:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:30:12,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:30:12,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:30:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:30:12,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:30:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:30:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:30:12,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:30:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:30:12,074 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-12-15 00:30:12,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:30:12 ImpRootNode [2022-12-15 00:30:12,090 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:30:12,090 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:30:12,090 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:30:12,091 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:30:12,091 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:11" (3/4) ... [2022-12-15 00:30:12,093 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 00:30:12,125 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:30:12,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:30:12,126 INFO L158 Benchmark]: Toolchain (without parser) took 744.59ms. Allocated memory was 109.1MB in the beginning and 138.4MB in the end (delta: 29.4MB). Free memory was 67.7MB in the beginning and 96.5MB in the end (delta: -28.9MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2022-12-15 00:30:12,127 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:30:12,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.67ms. Allocated memory is still 109.1MB. Free memory was 67.3MB in the beginning and 58.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 00:30:12,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.16ms. Allocated memory is still 109.1MB. Free memory was 58.0MB in the beginning and 56.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:30:12,128 INFO L158 Benchmark]: Boogie Preprocessor took 13.98ms. Allocated memory is still 109.1MB. Free memory was 56.5MB in the beginning and 55.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:30:12,129 INFO L158 Benchmark]: RCFGBuilder took 246.90ms. Allocated memory was 109.1MB in the beginning and 138.4MB in the end (delta: 29.4MB). Free memory was 55.5MB in the beginning and 110.1MB in the end (delta: -54.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 00:30:12,129 INFO L158 Benchmark]: CodeCheck took 257.44ms. Allocated memory is still 138.4MB. Free memory was 110.0MB in the beginning and 97.9MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-12-15 00:30:12,130 INFO L158 Benchmark]: Witness Printer took 35.06ms. Allocated memory is still 138.4MB. Free memory was 97.9MB in the beginning and 96.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:30:12,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 37 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 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, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 31]: integer overflow possible integer overflow possible We found a FailurePath: [L21] int x = __VERIFIER_nondet_int(); [L22] int y = __VERIFIER_nondet_int(); [L23] int z = __VERIFIER_nondet_int(); [L24] CALL random() [L29] int x = __VERIFIER_nondet_int(); [L30] COND TRUE x < 0 VAL [x=-2147483648] [L31] -x VAL [x=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.67ms. Allocated memory is still 109.1MB. Free memory was 67.3MB in the beginning and 58.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.16ms. Allocated memory is still 109.1MB. Free memory was 58.0MB in the beginning and 56.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.98ms. Allocated memory is still 109.1MB. Free memory was 56.5MB in the beginning and 55.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 246.90ms. Allocated memory was 109.1MB in the beginning and 138.4MB in the end (delta: 29.4MB). Free memory was 55.5MB in the beginning and 110.1MB in the end (delta: -54.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 257.44ms. Allocated memory is still 138.4MB. Free memory was 110.0MB in the beginning and 97.9MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 35.06ms. Allocated memory is still 138.4MB. Free memory was 97.9MB in the beginning and 96.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 00:30:12,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_774da4b2-6b89-4d1a-83c8-44f7fa4c63dd/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)