./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-007.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6d9ade67-c94f-4e17-83d3-67f147725737/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6d9ade67-c94f-4e17-83d3-67f147725737/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6d9ade67-c94f-4e17-83d3-67f147725737/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6d9ade67-c94f-4e17-83d3-67f147725737/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-007.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6d9ade67-c94f-4e17-83d3-67f147725737/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6d9ade67-c94f-4e17-83d3-67f147725737/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b479d1eee982c1be6eab93c938f3e89559f8629 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:30:03,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:30:03,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:30:03,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:30:03,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:30:03,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:30:03,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:30:03,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:30:03,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:30:03,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:30:03,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:30:03,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:30:03,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:30:03,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:30:03,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:30:03,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:30:03,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:30:03,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:30:03,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:30:03,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:30:03,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:30:03,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:30:03,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:30:03,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:30:03,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:30:03,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:30:03,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:30:03,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:30:03,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:30:03,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:30:03,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:30:03,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:30:03,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:30:03,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:30:03,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:30:03,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:30:03,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:30:03,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:30:03,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:30:03,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:30:03,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:30:03,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6d9ade67-c94f-4e17-83d3-67f147725737/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:30:03,288 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:30:03,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:30:03,290 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:30:03,291 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:30:03,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:30:03,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:30:03,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:30:03,292 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:30:03,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:30:03,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:30:03,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:30:03,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:30:03,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:30:03,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:30:03,296 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:30:03,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:30:03,296 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:30:03,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:30:03,297 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:30:03,297 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:30:03,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:30:03,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:30:03,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:30:03,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:30:03,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:30:03,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:30:03,299 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:30:03,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:30:03,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:30:03,302 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-vcloud-master/worker/run_dir_6d9ade67-c94f-4e17-83d3-67f147725737/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6d9ade67-c94f-4e17-83d3-67f147725737/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b479d1eee982c1be6eab93c938f3e89559f8629 [2020-12-01 17:30:03,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:30:03,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:30:03,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:30:03,708 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:30:03,709 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:30:03,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6d9ade67-c94f-4e17-83d3-67f147725737/bin/ukojak/../../sv-benchmarks/c/xcsp/AllInterval-007.c [2020-12-01 17:30:03,829 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d9ade67-c94f-4e17-83d3-67f147725737/bin/ukojak/data/f288552c7/2c90fd07b5084375b1690fb0dd9452f3/FLAGb0f71a045 [2020-12-01 17:30:04,472 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:30:04,473 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6d9ade67-c94f-4e17-83d3-67f147725737/sv-benchmarks/c/xcsp/AllInterval-007.c [2020-12-01 17:30:04,490 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d9ade67-c94f-4e17-83d3-67f147725737/bin/ukojak/data/f288552c7/2c90fd07b5084375b1690fb0dd9452f3/FLAGb0f71a045 [2020-12-01 17:30:04,772 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6d9ade67-c94f-4e17-83d3-67f147725737/bin/ukojak/data/f288552c7/2c90fd07b5084375b1690fb0dd9452f3 [2020-12-01 17:30:04,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:30:04,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:30:04,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:30:04,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:30:04,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:30:04,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:30:04" (1/1) ... [2020-12-01 17:30:04,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e7201d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:04, skipping insertion in model container [2020-12-01 17:30:04,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:30:04" (1/1) ... [2020-12-01 17:30:04,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:30:04,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:30:05,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:30:05,126 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:30:05,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:30:05,209 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:30:05,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:05 WrapperNode [2020-12-01 17:30:05,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:30:05,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:30:05,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:30:05,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:30:05,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:05" (1/1) ... [2020-12-01 17:30:05,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:05" (1/1) ... [2020-12-01 17:30:05,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:30:05,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:30:05,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:30:05,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:30:05,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:05" (1/1) ... [2020-12-01 17:30:05,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:05" (1/1) ... [2020-12-01 17:30:05,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:05" (1/1) ... [2020-12-01 17:30:05,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:05" (1/1) ... [2020-12-01 17:30:05,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:05" (1/1) ... [2020-12-01 17:30:05,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:05" (1/1) ... [2020-12-01 17:30:05,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:05" (1/1) ... [2020-12-01 17:30:05,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:30:05,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:30:05,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:30:05,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:30:05,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d9ade67-c94f-4e17-83d3-67f147725737/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 [2020-12-01 17:30:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:30:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:30:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:30:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2020-12-01 17:30:05,395 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2020-12-01 17:30:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:30:06,063 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:30:06,064 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-01 17:30:06,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:30:06 BoogieIcfgContainer [2020-12-01 17:30:06,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:30:06,071 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:30:06,071 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:30:06,085 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:30:06,085 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:30:06" (1/1) ... [2020-12-01 17:30:06,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:30:06,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:30:06,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 93 states and 159 transitions. [2020-12-01 17:30:06,160 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 159 transitions. [2020-12-01 17:30:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-12-01 17:30:06,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:30:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:30:07,245 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:30:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:30:08,123 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:30:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:30:08,540 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:30:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:30:08,797 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:30:09,389 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-12-01 17:30:09,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:30:09 ImpRootNode [2020-12-01 17:30:09,582 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:30:09,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:30:09,583 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:30:09,583 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:30:09,584 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:30:06" (3/4) ... [2020-12-01 17:30:09,587 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:30:09,785 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6d9ade67-c94f-4e17-83d3-67f147725737/bin/ukojak/witness.graphml [2020-12-01 17:30:09,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:30:09,787 INFO L168 Benchmark]: Toolchain (without parser) took 5009.73 ms. Allocated memory was 79.7 MB in the beginning and 134.2 MB in the end (delta: 54.5 MB). Free memory was 47.6 MB in the beginning and 106.6 MB in the end (delta: -59.0 MB). Peak memory consumption was 65.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:30:09,788 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 79.7 MB. Free memory was 53.8 MB in the beginning and 53.8 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:30:09,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.42 ms. Allocated memory was 79.7 MB in the beginning and 111.1 MB in the end (delta: 31.5 MB). Free memory was 47.5 MB in the beginning and 87.5 MB in the end (delta: -40.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:30:09,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.04 ms. Allocated memory is still 111.1 MB. Free memory was 87.5 MB in the beginning and 85.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:30:09,790 INFO L168 Benchmark]: Boogie Preprocessor took 32.17 ms. Allocated memory is still 111.1 MB. Free memory was 85.4 MB in the beginning and 84.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:30:09,790 INFO L168 Benchmark]: RCFGBuilder took 777.52 ms. Allocated memory is still 111.1 MB. Free memory was 84.1 MB in the beginning and 49.1 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:30:09,791 INFO L168 Benchmark]: CodeCheck took 3511.16 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 49.1 MB in the beginning and 51.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:30:09,791 INFO L168 Benchmark]: Witness Printer took 202.46 ms. Allocated memory is still 134.2 MB. Free memory was 51.4 MB in the beginning and 106.6 MB in the end (delta: -55.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:30:09,794 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 2 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.2s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 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: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L29] CALL assume(var0 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L29] RET assume(var0 >= 0) [L30] CALL assume(var0 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L30] RET assume(var0 <= 6) [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L33] CALL assume(var1 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L33] RET assume(var1 >= 0) [L34] CALL assume(var1 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L34] RET assume(var1 <= 6) [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L37] CALL assume(var2 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L37] RET assume(var2 >= 0) [L38] CALL assume(var2 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L38] RET assume(var2 <= 6) [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L41] CALL assume(var3 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L41] RET assume(var3 >= 0) [L42] CALL assume(var3 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L42] RET assume(var3 <= 6) [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L45] CALL assume(var4 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L45] RET assume(var4 >= 0) [L46] CALL assume(var4 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L46] RET assume(var4 <= 6) [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L49] CALL assume(var5 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L49] RET assume(var5 >= 0) [L50] CALL assume(var5 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L50] RET assume(var5 <= 6) [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L53] CALL assume(var6 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L53] RET assume(var6 >= 0) [L54] CALL assume(var6 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L54] RET assume(var6 <= 6) [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L57] CALL assume(var7 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L57] RET assume(var7 >= 1) [L58] CALL assume(var7 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L58] RET assume(var7 <= 6) [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L61] CALL assume(var8 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L61] RET assume(var8 >= 1) [L62] CALL assume(var8 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L62] RET assume(var8 <= 6) [L63] int var9; [L64] var9 = __VERIFIER_nondet_int() [L65] CALL assume(var9 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L65] RET assume(var9 >= 1) [L66] CALL assume(var9 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L66] RET assume(var9 <= 6) [L67] int var10; [L68] var10 = __VERIFIER_nondet_int() [L69] CALL assume(var10 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L69] RET assume(var10 >= 1) [L70] CALL assume(var10 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L70] RET assume(var10 <= 6) [L71] int var11; [L72] var11 = __VERIFIER_nondet_int() [L73] CALL assume(var11 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L73] RET assume(var11 >= 1) [L74] CALL assume(var11 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L74] RET assume(var11 <= 6) [L75] int var12; [L76] var12 = __VERIFIER_nondet_int() [L77] CALL assume(var12 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L77] RET assume(var12 >= 1) [L78] CALL assume(var12 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L78] RET assume(var12 <= 6) [L79] int myvar0 = 1; [L80] CALL assume(var0 != var1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L80] RET assume(var0 != var1) [L81] CALL assume(var0 != var2) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L81] RET assume(var0 != var2) [L82] CALL assume(var0 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L82] RET assume(var0 != var3) [L83] CALL assume(var0 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L83] RET assume(var0 != var4) [L84] CALL assume(var0 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L84] RET assume(var0 != var5) [L85] CALL assume(var0 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L85] RET assume(var0 != var6) [L86] CALL assume(var1 != var2) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L86] RET assume(var1 != var2) [L87] CALL assume(var1 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L87] RET assume(var1 != var3) [L88] CALL assume(var1 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L88] RET assume(var1 != var4) [L89] CALL assume(var1 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L89] RET assume(var1 != var5) [L90] CALL assume(var1 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L90] RET assume(var1 != var6) [L91] CALL assume(var2 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L91] RET assume(var2 != var3) [L92] CALL assume(var2 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L92] RET assume(var2 != var4) [L93] CALL assume(var2 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L93] RET assume(var2 != var5) [L94] CALL assume(var2 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L94] RET assume(var2 != var6) [L95] CALL assume(var3 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L95] RET assume(var3 != var4) [L96] CALL assume(var3 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L96] RET assume(var3 != var5) [L97] CALL assume(var3 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L97] RET assume(var3 != var6) [L98] CALL assume(var4 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L98] RET assume(var4 != var5) [L99] CALL assume(var4 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L99] RET assume(var4 != var6) [L100] CALL assume(var5 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L100] RET assume(var5 != var6) [L101] CALL assume(var7 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L101] RET assume(var7 != var8) [L102] CALL assume(var7 != var9) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L102] RET assume(var7 != var9) [L103] CALL assume(var7 != var10) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L103] RET assume(var7 != var10) [L104] CALL assume(var7 != var11) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L104] RET assume(var7 != var11) [L105] CALL assume(var7 != var12) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L105] RET assume(var7 != var12) [L106] CALL assume(var8 != var9) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L106] RET assume(var8 != var9) [L107] CALL assume(var8 != var10) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L107] RET assume(var8 != var10) [L108] CALL assume(var8 != var11) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L108] RET assume(var8 != var11) [L109] CALL assume(var8 != var12) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L109] RET assume(var8 != var12) [L110] CALL assume(var9 != var10) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L110] RET assume(var9 != var10) [L111] CALL assume(var9 != var11) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L111] RET assume(var9 != var11) [L112] CALL assume(var9 != var12) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L112] RET assume(var9 != var12) [L113] CALL assume(var10 != var11) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L113] RET assume(var10 != var11) [L114] CALL assume(var10 != var12) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L114] RET assume(var10 != var12) [L115] CALL assume(var11 != var12) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L115] RET assume(var11 != var12) [L116] int var_for_abs; [L117] var_for_abs = var0 - var1 [L118] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L118] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L119] CALL assume(var7 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L119] RET assume(var7 == var_for_abs) [L120] var_for_abs = var1 - var2 [L121] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L121] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L122] CALL assume(var8 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L122] RET assume(var8 == var_for_abs) [L123] var_for_abs = var2 - var3 [L124] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L124] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L125] CALL assume(var9 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L125] RET assume(var9 == var_for_abs) [L126] var_for_abs = var3 - var4 [L127] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L127] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L128] CALL assume(var10 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L128] RET assume(var10 == var_for_abs) [L129] var_for_abs = var4 - var5 [L130] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L130] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L131] CALL assume(var11 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L131] RET assume(var11 == var_for_abs) [L132] var_for_abs = var5 - var6 [L133] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L133] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L134] CALL assume(var12 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L134] RET assume(var12 == var_for_abs) [L17] __assert_fail("0", "AllInterval-007.c", 5, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 79.7 MB. Free memory was 53.8 MB in the beginning and 53.8 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 432.42 ms. Allocated memory was 79.7 MB in the beginning and 111.1 MB in the end (delta: 31.5 MB). Free memory was 47.5 MB in the beginning and 87.5 MB in the end (delta: -40.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.04 ms. Allocated memory is still 111.1 MB. Free memory was 87.5 MB in the beginning and 85.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.17 ms. Allocated memory is still 111.1 MB. Free memory was 85.4 MB in the beginning and 84.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 777.52 ms. Allocated memory is still 111.1 MB. Free memory was 84.1 MB in the beginning and 49.1 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * CodeCheck took 3511.16 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 49.1 MB in the beginning and 51.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Witness Printer took 202.46 ms. Allocated memory is still 134.2 MB. Free memory was 51.4 MB in the beginning and 106.6 MB in the end (delta: -55.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...