./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/prod4br-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_8dacfd43-3874-4082-b56d-84abf0a4c85a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dacfd43-3874-4082-b56d-84abf0a4c85a/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_8dacfd43-3874-4082-b56d-84abf0a4c85a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dacfd43-3874-4082-b56d-84abf0a4c85a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/prod4br-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dacfd43-3874-4082-b56d-84abf0a4c85a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dacfd43-3874-4082-b56d-84abf0a4c85a/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 32bit --witnessprinter.graph.data.programhash 139ac8fec1f7a664c70b93e53b58ce1cf1441525d0975d3b696da89c95b710b8 --- 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 16:18:55,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:18:55,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:18:55,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:18:55,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:18:55,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:18:55,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:18:55,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:18:55,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:18:55,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:18:55,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:18:55,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:18:55,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:18:55,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:18:55,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:18:55,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:18:55,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:18:55,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:18:55,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:18:55,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:18:55,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:18:55,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:18:55,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:18:55,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:18:55,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:18:55,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:18:55,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:18:55,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:18:55,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:18:55,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:18:55,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:18:55,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:18:55,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:18:55,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:18:55,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:18:55,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:18:55,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:18:55,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:18:55,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:18:55,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:18:55,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:18:55,631 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dacfd43-3874-4082-b56d-84abf0a4c85a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 16:18:55,652 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:18:55,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:18:55,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:18:55,654 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:18:55,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:18:55,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:18:55,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:18:55,655 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:18:55,655 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:18:55,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:18:55,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:18:55,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:18:55,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:18:55,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:18:55,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:18:55,657 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:18:55,657 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:18:55,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:18:55,657 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:18:55,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:18:55,658 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:18:55,658 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:18:55,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:18:55,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:18:55,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:18:55,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:18:55,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:18:55,659 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:18:55,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:18:55,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:18:55,660 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_8dacfd43-3874-4082-b56d-84abf0a4c85a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dacfd43-3874-4082-b56d-84abf0a4c85a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 139ac8fec1f7a664c70b93e53b58ce1cf1441525d0975d3b696da89c95b710b8 [2022-12-14 16:18:55,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:18:55,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:18:55,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:18:55,877 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:18:55,877 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:18:55,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dacfd43-3874-4082-b56d-84abf0a4c85a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-nla/prod4br-both-t.c [2022-12-14 16:18:58,499 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:18:58,625 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:18:58,625 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dacfd43-3874-4082-b56d-84abf0a4c85a/sv-benchmarks/c/termination-nla/prod4br-both-t.c [2022-12-14 16:18:58,629 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dacfd43-3874-4082-b56d-84abf0a4c85a/bin/ukojak-rkRKPMF4O4/data/457df1aaa/55d3b3d13937491ab4864d8b56d0b45e/FLAGec8dd1599 [2022-12-14 16:18:58,640 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dacfd43-3874-4082-b56d-84abf0a4c85a/bin/ukojak-rkRKPMF4O4/data/457df1aaa/55d3b3d13937491ab4864d8b56d0b45e [2022-12-14 16:18:58,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:18:58,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:18:58,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:18:58,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:18:58,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:18:58,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:18:58" (1/1) ... [2022-12-14 16:18:58,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d46a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:18:58, skipping insertion in model container [2022-12-14 16:18:58,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:18:58" (1/1) ... [2022-12-14 16:18:58,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:18:58,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:18:58,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:18:58,771 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:18:58,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:18:58,793 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:18:58,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:18:58 WrapperNode [2022-12-14 16:18:58,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:18:58,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:18:58,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:18:58,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:18:58,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:18:58" (1/1) ... [2022-12-14 16:18:58,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:18:58" (1/1) ... [2022-12-14 16:18:58,822 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 89 [2022-12-14 16:18:58,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:18:58,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:18:58,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:18:58,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:18:58,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:18:58" (1/1) ... [2022-12-14 16:18:58,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:18:58" (1/1) ... [2022-12-14 16:18:58,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:18:58" (1/1) ... [2022-12-14 16:18:58,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:18:58" (1/1) ... [2022-12-14 16:18:58,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:18:58" (1/1) ... [2022-12-14 16:18:58,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:18:58" (1/1) ... [2022-12-14 16:18:58,840 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:18:58" (1/1) ... [2022-12-14 16:18:58,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:18:58" (1/1) ... [2022-12-14 16:18:58,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:18:58,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:18:58,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:18:58,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:18:58,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:18:58" (1/1) ... [2022-12-14 16:18:58,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:18:58,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dacfd43-3874-4082-b56d-84abf0a4c85a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:18:58,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dacfd43-3874-4082-b56d-84abf0a4c85a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:18:58,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dacfd43-3874-4082-b56d-84abf0a4c85a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:18:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:18:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:18:58,957 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:18:58,959 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:18:59,225 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:18:59,242 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:18:59,242 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 16:18:59,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:18:59 BoogieIcfgContainer [2022-12-14 16:18:59,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:18:59,245 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:18:59,245 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:18:59,252 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:18:59,253 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:18:59" (1/1) ... [2022-12-14 16:18:59,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:18:59,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:18:59,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 95 states and 101 transitions. [2022-12-14 16:18:59,298 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2022-12-14 16:18:59,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 16:18:59,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:18:59,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:18:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:18:59,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:18:59,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:18:59,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 98 states and 108 transitions. [2022-12-14 16:18:59,454 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 108 transitions. [2022-12-14 16:18:59,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 16:18:59,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:18:59,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:18:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:18:59,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:18:59,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:18:59,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 102 states and 116 transitions. [2022-12-14 16:18:59,584 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2022-12-14 16:18:59,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 16:18:59,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:18:59,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:18:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:18:59,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 16:18:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:18:59,627 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-12-14 16:18:59,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 04:18:59 ImpRootNode [2022-12-14 16:18:59,649 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 16:18:59,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:18:59,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:18:59,650 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:18:59,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:18:59" (3/4) ... [2022-12-14 16:18:59,653 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 16:18:59,684 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dacfd43-3874-4082-b56d-84abf0a4c85a/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 16:18:59,685 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:18:59,685 INFO L158 Benchmark]: Toolchain (without parser) took 1041.77ms. Allocated memory is still 151.0MB. Free memory was 117.2MB in the beginning and 62.1MB in the end (delta: 55.1MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-12-14 16:18:59,686 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 111.1MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:18:59,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 149.69ms. Allocated memory is still 151.0MB. Free memory was 117.2MB in the beginning and 107.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 16:18:59,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.93ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 105.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:18:59,687 INFO L158 Benchmark]: Boogie Preprocessor took 19.15ms. Allocated memory is still 151.0MB. Free memory was 105.7MB in the beginning and 104.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:18:59,688 INFO L158 Benchmark]: RCFGBuilder took 401.82ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 86.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 16:18:59,688 INFO L158 Benchmark]: CodeCheck took 404.48ms. Allocated memory is still 151.0MB. Free memory was 86.9MB in the beginning and 64.0MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 16:18:59,689 INFO L158 Benchmark]: Witness Printer took 34.62ms. Allocated memory is still 151.0MB. Free memory was 64.0MB in the beginning and 62.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:18:59,691 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, 95 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 18 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 39]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x, y; [L21] int a, b, p, q; [L23] x = __VERIFIER_nondet_int() [L24] y = __VERIFIER_nondet_int() [L27] COND FALSE !(y < 1) [L31] a = x [L32] b = y [L33] p = 1 [L34] q = 0 VAL [a=-3, b=715827883, p=1, q=0, x=-3, y=715827883] [L36] COND TRUE 1 [L39] a != 0 && b + q + a * b * p - x * y != 0 VAL [a=-3, a != 0 && b + q + a * b * p - x * y != 0=1, b=715827883, p=1, q=0, x=-3, y=715827883] [L39] b + q VAL [a=-3, a != 0 && b + q + a * b * p - x * y != 0=1, b=715827883, p=1, q=0, x=-3, y=715827883] [L39] a * b VAL [a=-3, a != 0 && b + q + a * b * p - x * y != 0=1, b=715827883, p=1, q=0, x=-3, y=715827883] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 111.1MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 149.69ms. Allocated memory is still 151.0MB. Free memory was 117.2MB in the beginning and 107.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.93ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 105.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.15ms. Allocated memory is still 151.0MB. Free memory was 105.7MB in the beginning and 104.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 401.82ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 86.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 404.48ms. Allocated memory is still 151.0MB. Free memory was 86.9MB in the beginning and 64.0MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 34.62ms. Allocated memory is still 151.0MB. Free memory was 64.0MB in the beginning and 62.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 16:18:59,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dacfd43-3874-4082-b56d-84abf0a4c85a/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)