./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/geo1-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_cb6541d1-1ee6-473a-97d4-9d70094ea71c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6541d1-1ee6-473a-97d4-9d70094ea71c/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_cb6541d1-1ee6-473a-97d4-9d70094ea71c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6541d1-1ee6-473a-97d4-9d70094ea71c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/geo1-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6541d1-1ee6-473a-97d4-9d70094ea71c/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_cb6541d1-1ee6-473a-97d4-9d70094ea71c/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 64402cc0cdfc94a0324e8ab84a270a5e9b14f3baf89bc76bde090a5ee54357b1 --- 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 22:23:49,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:23:49,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:23:49,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:23:49,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:23:49,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:23:49,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:23:49,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:23:49,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:23:49,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:23:49,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:23:49,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:23:49,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:23:49,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:23:49,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:23:49,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:23:49,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:23:49,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:23:49,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:23:49,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:23:49,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:23:49,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:23:49,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:23:49,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:23:49,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:23:49,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:23:49,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:23:49,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:23:49,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:23:49,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:23:49,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:23:49,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:23:49,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:23:49,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:23:49,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:23:49,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:23:49,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:23:49,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:23:49,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:23:49,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:23:49,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:23:49,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6541d1-1ee6-473a-97d4-9d70094ea71c/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 22:23:49,965 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:23:49,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:23:49,966 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:23:49,966 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:23:49,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:23:49,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:23:49,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:23:49,973 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:23:49,973 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:23:49,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:23:49,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:23:49,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:23:49,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:23:49,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:23:49,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:23:49,974 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 22:23:49,974 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:23:49,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:23:49,975 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:23:49,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:23:49,975 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:23:49,975 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:23:49,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:23:49,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:23:49,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:23:49,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:23:49,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:23:49,977 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:23:49,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:23:49,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:23:49,977 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_cb6541d1-1ee6-473a-97d4-9d70094ea71c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6541d1-1ee6-473a-97d4-9d70094ea71c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64402cc0cdfc94a0324e8ab84a270a5e9b14f3baf89bc76bde090a5ee54357b1 [2022-12-14 22:23:50,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:23:50,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:23:50,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:23:50,159 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:23:50,159 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:23:50,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6541d1-1ee6-473a-97d4-9d70094ea71c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-nla/geo1-both-nt.c [2022-12-14 22:23:52,762 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:23:52,890 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:23:52,891 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6541d1-1ee6-473a-97d4-9d70094ea71c/sv-benchmarks/c/termination-nla/geo1-both-nt.c [2022-12-14 22:23:52,895 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6541d1-1ee6-473a-97d4-9d70094ea71c/bin/ukojak-rkRKPMF4O4/data/cbe579e75/cfbc1680662b4df9b732876caed406be/FLAG588732dc8 [2022-12-14 22:23:52,906 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6541d1-1ee6-473a-97d4-9d70094ea71c/bin/ukojak-rkRKPMF4O4/data/cbe579e75/cfbc1680662b4df9b732876caed406be [2022-12-14 22:23:52,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:23:52,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:23:52,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:23:52,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:23:52,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:23:52,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:23:52" (1/1) ... [2022-12-14 22:23:52,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b91181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:52, skipping insertion in model container [2022-12-14 22:23:52,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:23:52" (1/1) ... [2022-12-14 22:23:52,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:23:52,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:23:53,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:23:53,048 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:23:53,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:23:53,074 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:23:53,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:53 WrapperNode [2022-12-14 22:23:53,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:23:53,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:23:53,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:23:53,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:23:53,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:53" (1/1) ... [2022-12-14 22:23:53,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:53" (1/1) ... [2022-12-14 22:23:53,104 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2022-12-14 22:23:53,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:23:53,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:23:53,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:23:53,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:23:53,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:53" (1/1) ... [2022-12-14 22:23:53,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:53" (1/1) ... [2022-12-14 22:23:53,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:53" (1/1) ... [2022-12-14 22:23:53,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:53" (1/1) ... [2022-12-14 22:23:53,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:53" (1/1) ... [2022-12-14 22:23:53,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:53" (1/1) ... [2022-12-14 22:23:53,122 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:53" (1/1) ... [2022-12-14 22:23:53,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:53" (1/1) ... [2022-12-14 22:23:53,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:23:53,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:23:53,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:23:53,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:23:53,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:53" (1/1) ... [2022-12-14 22:23:53,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:23:53,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6541d1-1ee6-473a-97d4-9d70094ea71c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:23:53,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6541d1-1ee6-473a-97d4-9d70094ea71c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:23:53,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6541d1-1ee6-473a-97d4-9d70094ea71c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:23:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:23:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:23:53,224 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:23:53,226 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:23:53,364 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:23:53,383 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:23:53,383 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:23:53,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:23:53 BoogieIcfgContainer [2022-12-14 22:23:53,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:23:53,387 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:23:53,387 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:23:53,395 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:23:53,395 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:23:53" (1/1) ... [2022-12-14 22:23:53,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:23:53,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:23:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 44 states and 45 transitions. [2022-12-14 22:23:53,459 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2022-12-14 22:23:53,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 22:23:53,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:23:53,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:23:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:23:53,558 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 22:23:53,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:23:53,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2022-12-14 22:23:53,572 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2022-12-14 22:23:53,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 22:23:53,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:23:53,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:23:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:23:53,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 22:23:53,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:23:53,634 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 22:23:53,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:23:53,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2022-12-14 22:23:53,662 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2022-12-14 22:23:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:23:53,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:23:53,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:23:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:23:53,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 22:23:53,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:23:53,706 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 22:23:53,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:23:53,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 49 states and 51 transitions. [2022-12-14 22:23:53,794 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2022-12-14 22:23:53,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 22:23:53,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:23:53,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:23:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:23:53,808 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 22:23:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:23:53,822 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2022-12-14 22:23:53,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:23:53 ImpRootNode [2022-12-14 22:23:53,844 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:23:53,845 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:23:53,845 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:23:53,845 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:23:53,845 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:23:53" (3/4) ... [2022-12-14 22:23:53,847 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 22:23:53,877 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6541d1-1ee6-473a-97d4-9d70094ea71c/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:23:53,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:23:53,878 INFO L158 Benchmark]: Toolchain (without parser) took 969.08ms. Allocated memory is still 159.4MB. Free memory was 118.0MB in the beginning and 68.2MB in the end (delta: 49.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-12-14 22:23:53,878 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:23:53,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.50ms. Allocated memory is still 159.4MB. Free memory was 118.0MB in the beginning and 108.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:23:53,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.23ms. Allocated memory is still 159.4MB. Free memory was 108.5MB in the beginning and 107.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:23:53,880 INFO L158 Benchmark]: Boogie Preprocessor took 19.02ms. Allocated memory is still 159.4MB. Free memory was 107.0MB in the beginning and 106.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:23:53,881 INFO L158 Benchmark]: RCFGBuilder took 260.98ms. Allocated memory is still 159.4MB. Free memory was 106.0MB in the beginning and 93.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 22:23:53,881 INFO L158 Benchmark]: CodeCheck took 456.95ms. Allocated memory is still 159.4MB. Free memory was 93.4MB in the beginning and 70.1MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 22:23:53,882 INFO L158 Benchmark]: Witness Printer took 32.81ms. Allocated memory is still 159.4MB. Free memory was 70.1MB in the beginning and 68.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:23:53,884 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, 44 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 19 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 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, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 35]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int z, k; [L24] int x, y, c; [L25] z = __VERIFIER_nondet_int() [L26] k = __VERIFIER_nondet_int() [L28] x = 1 [L29] y = z [L30] c = 1 VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] [L32] COND TRUE 1 VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] [L35] EXPR x*z VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] [L35] x*z - x VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.50ms. Allocated memory is still 159.4MB. Free memory was 118.0MB in the beginning and 108.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.23ms. Allocated memory is still 159.4MB. Free memory was 108.5MB in the beginning and 107.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.02ms. Allocated memory is still 159.4MB. Free memory was 107.0MB in the beginning and 106.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 260.98ms. Allocated memory is still 159.4MB. Free memory was 106.0MB in the beginning and 93.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 456.95ms. Allocated memory is still 159.4MB. Free memory was 93.4MB in the beginning and 70.1MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 32.81ms. Allocated memory is still 159.4MB. Free memory was 70.1MB in the beginning and 68.2MB 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 22:23:53,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6541d1-1ee6-473a-97d4-9d70094ea71c/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)