./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Rotation180-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_21722aa2-4465-41cd-bde8-286505af4180/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_21722aa2-4465-41cd-bde8-286505af4180/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_21722aa2-4465-41cd-bde8-286505af4180/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_21722aa2-4465-41cd-bde8-286505af4180/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Rotation180-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_21722aa2-4465-41cd-bde8-286505af4180/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_21722aa2-4465-41cd-bde8-286505af4180/bin/ukojak --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 d7685dbb0e46a2771a68365cfb78904dc90fa835 ....................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:53:19,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:53:19,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:53:19,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:53:19,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:53:19,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:53:19,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:53:19,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:53:19,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:53:19,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:53:19,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:53:19,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:53:19,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:53:19,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:53:19,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:53:19,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:53:19,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:53:19,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:53:19,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:53:19,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:53:19,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:53:19,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:53:19,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:53:19,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:53:19,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:53:19,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:53:19,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:53:19,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:53:19,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:53:19,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:53:19,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:53:19,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:53:19,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:53:19,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:53:19,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:53:19,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:53:19,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:53:19,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:53:19,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:53:19,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:53:19,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:53:19,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_21722aa2-4465-41cd-bde8-286505af4180/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-20 03:53:19,706 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:53:19,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:53:19,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 03:53:19,718 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 03:53:19,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:53:19,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:53:19,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:53:19,719 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:53:19,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:53:19,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:53:19,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:53:19,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:53:19,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:53:19,721 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 03:53:19,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:53:19,721 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:53:19,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:53:19,722 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 03:53:19,722 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 03:53:19,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:53:19,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:53:19,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 03:53:19,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:53:19,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:53:19,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:53:19,724 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 03:53:19,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:53:19,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:53:19,725 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-vcloud-master/worker/run_dir_21722aa2-4465-41cd-bde8-286505af4180/bin/ukojak 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 -> d7685dbb0e46a2771a68365cfb78904dc90fa835 [2019-11-20 03:53:19,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:53:19,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:53:19,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:53:19,934 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:53:19,934 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:53:19,935 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_21722aa2-4465-41cd-bde8-286505af4180/bin/ukojak/../../sv-benchmarks/c/termination-crafted/Rotation180-2.c [2019-11-20 03:53:20,000 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_21722aa2-4465-41cd-bde8-286505af4180/bin/ukojak/data/a96a785d8/a24101a0328e441ca91e8c9b5ff122d6/FLAG948679cb5 [2019-11-20 03:53:20,403 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:53:20,404 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_21722aa2-4465-41cd-bde8-286505af4180/sv-benchmarks/c/termination-crafted/Rotation180-2.c [2019-11-20 03:53:20,409 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_21722aa2-4465-41cd-bde8-286505af4180/bin/ukojak/data/a96a785d8/a24101a0328e441ca91e8c9b5ff122d6/FLAG948679cb5 [2019-11-20 03:53:20,831 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_21722aa2-4465-41cd-bde8-286505af4180/bin/ukojak/data/a96a785d8/a24101a0328e441ca91e8c9b5ff122d6 [2019-11-20 03:53:20,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:53:20,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:53:20,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:53:20,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:53:20,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:53:20,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:53:20" (1/1) ... [2019-11-20 03:53:20,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b3c7c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:20, skipping insertion in model container [2019-11-20 03:53:20,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:53:20" (1/1) ... [2019-11-20 03:53:20,862 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:53:20,881 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:53:21,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:53:21,102 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:53:21,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:53:21,217 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:53:21,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:21 WrapperNode [2019-11-20 03:53:21,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:53:21,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:53:21,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:53:21,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:53:21,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:21" (1/1) ... [2019-11-20 03:53:21,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:21" (1/1) ... [2019-11-20 03:53:21,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:53:21,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:53:21,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:53:21,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:53:21,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:21" (1/1) ... [2019-11-20 03:53:21,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:21" (1/1) ... [2019-11-20 03:53:21,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:21" (1/1) ... [2019-11-20 03:53:21,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:21" (1/1) ... [2019-11-20 03:53:21,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:21" (1/1) ... [2019-11-20 03:53:21,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:21" (1/1) ... [2019-11-20 03:53:21,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:21" (1/1) ... [2019-11-20 03:53:21,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:53:21,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:53:21,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:53:21,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:53:21,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:53:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21722aa2-4465-41cd-bde8-286505af4180/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 03:53:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:53:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:53:21,557 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:53:21,557 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 03:53:21,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:53:21 BoogieIcfgContainer [2019-11-20 03:53:21,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:53:21,559 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 03:53:21,559 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 03:53:21,571 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 03:53:21,571 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:53:21" (1/1) ... [2019-11-20 03:53:21,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:53:21,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:53:21,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-11-20 03:53:21,648 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-11-20 03:53:21,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 03:53:21,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:53:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:53:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:53:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:53:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:53:21,809 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-11-20 03:53:21,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 03:53:21 ImpRootNode [2019-11-20 03:53:21,830 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 03:53:21,830 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:53:21,830 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:53:21,831 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:53:21,831 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:53:21" (3/4) ... [2019-11-20 03:53:21,833 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 03:53:21,873 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_21722aa2-4465-41cd-bde8-286505af4180/bin/ukojak/witness.graphml [2019-11-20 03:53:21,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:53:21,875 INFO L168 Benchmark]: Toolchain (without parser) took 1039.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -161.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:53:21,876 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:53:21,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:53:21,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:53:21,877 INFO L168 Benchmark]: Boogie Preprocessor took 15.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:53:21,878 INFO L168 Benchmark]: RCFGBuilder took 288.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:53:21,879 INFO L168 Benchmark]: CodeCheck took 270.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:53:21,879 INFO L168 Benchmark]: Witness Printer took 43.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:53:21,882 INFO L335 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, 7 locations, 2 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int oldx; [L16] int x; [L17] int y; [L18] x = __VERIFIER_nondet_int() [L19] y = __VERIFIER_nondet_int() [L20] COND TRUE \read(true) [L21] oldx = x [L22] -y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 288.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * CodeCheck took 270.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Witness Printer took 43.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...