./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.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_c89cc2a9-3712-490b-a1d9-24adcb0ba1e2/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c89cc2a9-3712-490b-a1d9-24adcb0ba1e2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c89cc2a9-3712-490b-a1d9-24adcb0ba1e2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c89cc2a9-3712-490b-a1d9-24adcb0ba1e2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c89cc2a9-3712-490b-a1d9-24adcb0ba1e2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c89cc2a9-3712-490b-a1d9-24adcb0ba1e2/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 8a2ec839e8379c69d2de651867113e9bff3fa73f ............................................................................................................................................................................................................................................................... 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 16:35:11,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:35:11,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:35:11,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:35:11,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:35:11,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:35:11,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:35:11,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:35:11,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:35:11,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:35:11,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:35:11,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:35:11,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:35:11,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:35:11,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:35:11,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:35:11,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:35:11,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:35:11,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:35:11,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:35:11,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:35:11,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:35:11,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:35:11,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:35:11,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:35:11,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:35:11,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:35:11,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:35:11,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:35:11,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:35:11,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:35:11,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:35:11,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:35:11,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:35:11,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:35:11,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:35:11,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:35:11,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:35:11,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:35:11,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:35:11,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:35:11,249 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c89cc2a9-3712-490b-a1d9-24adcb0ba1e2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:35:11,302 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:35:11,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:35:11,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:35:11,316 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:35:11,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:35:11,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:35:11,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:35:11,318 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:35:11,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:35:11,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:35:11,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:35:11,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:35:11,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:35:11,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:35:11,321 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:35:11,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:35:11,322 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:35:11,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:35:11,323 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:35:11,323 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:35:11,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:35:11,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:35:11,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:35:11,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:35:11,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:35:11,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:35:11,325 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:35:11,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:35:11,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:35:11,326 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_c89cc2a9-3712-490b-a1d9-24adcb0ba1e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c89cc2a9-3712-490b-a1d9-24adcb0ba1e2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a2ec839e8379c69d2de651867113e9bff3fa73f [2020-12-01 16:35:11,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:35:11,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:35:11,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:35:11,695 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:35:11,696 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:35:11,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c89cc2a9-3712-490b-a1d9-24adcb0ba1e2/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.c [2020-12-01 16:35:11,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c89cc2a9-3712-490b-a1d9-24adcb0ba1e2/bin/ukojak/data/eec08a3ff/c29ed02480574f7c9fd42b543cb58fef/FLAGc5548efba [2020-12-01 16:35:12,357 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:35:12,358 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c89cc2a9-3712-490b-a1d9-24adcb0ba1e2/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.c [2020-12-01 16:35:12,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c89cc2a9-3712-490b-a1d9-24adcb0ba1e2/bin/ukojak/data/eec08a3ff/c29ed02480574f7c9fd42b543cb58fef/FLAGc5548efba [2020-12-01 16:35:12,697 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c89cc2a9-3712-490b-a1d9-24adcb0ba1e2/bin/ukojak/data/eec08a3ff/c29ed02480574f7c9fd42b543cb58fef [2020-12-01 16:35:12,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:35:12,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:35:12,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:35:12,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:35:12,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:35:12,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:35:12" (1/1) ... [2020-12-01 16:35:12,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e65576e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:35:12, skipping insertion in model container [2020-12-01 16:35:12,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:35:12" (1/1) ... [2020-12-01 16:35:12,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:35:12,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:35:12,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:35:12,994 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:35:13,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:35:13,045 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:35:13,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:35:13 WrapperNode [2020-12-01 16:35:13,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:35:13,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:35:13,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:35:13,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:35:13,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:35:13" (1/1) ... [2020-12-01 16:35:13,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:35:13" (1/1) ... [2020-12-01 16:35:13,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:35:13,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:35:13,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:35:13,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:35:13,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:35:13" (1/1) ... [2020-12-01 16:35:13,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:35:13" (1/1) ... [2020-12-01 16:35:13,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:35:13" (1/1) ... [2020-12-01 16:35:13,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:35:13" (1/1) ... [2020-12-01 16:35:13,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:35:13" (1/1) ... [2020-12-01 16:35:13,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:35:13" (1/1) ... [2020-12-01 16:35:13,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:35:13" (1/1) ... [2020-12-01 16:35:13,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:35:13,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:35:13,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:35:13,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:35:13,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:35:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c89cc2a9-3712-490b-a1d9-24adcb0ba1e2/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 16:35:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:35:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:35:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:35:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:35:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 16:35:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 16:35:13,605 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:35:13,606 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 16:35:13,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:35:13 BoogieIcfgContainer [2020-12-01 16:35:13,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:35:13,610 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:35:13,610 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:35:13,624 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:35:13,624 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:35:13" (1/1) ... [2020-12-01 16:35:13,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:35:13,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:35:13,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2020-12-01 16:35:13,682 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2020-12-01 16:35:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:35:13,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:35:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:35:13,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:35:13,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:35:13,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2020-12-01 16:35:13,865 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2020-12-01 16:35:13,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:35:13,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:35:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:35:14,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-01 16:35:14,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:35:14,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:35:14,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:35:14,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2020-12-01 16:35:14,285 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2020-12-01 16:35:14,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:35:14,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:35:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:35:14,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 16:35:14,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:35:14,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:35:14,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:35:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2020-12-01 16:35:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2020-12-01 16:35:14,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:35:14,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:35:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:35:14,903 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:35:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:35:14,917 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:35:14,969 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2020-12-01 16:35:15,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:35:15 ImpRootNode [2020-12-01 16:35:15,012 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:35:15,012 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:35:15,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:35:15,017 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:35:15,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:35:13" (3/4) ... [2020-12-01 16:35:15,019 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:35:15,073 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c89cc2a9-3712-490b-a1d9-24adcb0ba1e2/bin/ukojak/witness.graphml [2020-12-01 16:35:15,074 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:35:15,076 INFO L168 Benchmark]: Toolchain (without parser) took 2371.95 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 71.9 MB in the beginning and 81.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:35:15,077 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 100.7 MB. Free memory is still 57.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:35:15,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.13 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 71.7 MB in the beginning and 102.3 MB in the end (delta: -30.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:35:15,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.26 ms. Allocated memory is still 125.8 MB. Free memory was 102.3 MB in the beginning and 101.4 MB in the end (delta: 919.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:35:15,080 INFO L168 Benchmark]: Boogie Preprocessor took 53.26 ms. Allocated memory is still 125.8 MB. Free memory was 100.8 MB in the beginning and 100.2 MB in the end (delta: 582.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:35:15,081 INFO L168 Benchmark]: RCFGBuilder took 446.50 ms. Allocated memory is still 125.8 MB. Free memory was 100.2 MB in the beginning and 86.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:35:15,082 INFO L168 Benchmark]: CodeCheck took 1401.86 ms. Allocated memory is still 125.8 MB. Free memory was 86.1 MB in the beginning and 83.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:35:15,083 INFO L168 Benchmark]: Witness Printer took 61.55 ms. Allocated memory is still 125.8 MB. Free memory was 83.6 MB in the beginning and 81.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:35:15,087 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, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 16 SDslu, 16 SDs, 0 SdLazy, 80 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 SizeOfPredicates, 1 NumberOfNonLiveVariables, 108 ConjunctsInSsa, 13 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: 9]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L22] int counter = 0; [L24] unsigned int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_uint() [L27] k = __VERIFIER_nondet_uint() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [counter=0] [L33] EXPR counter++ VAL [counter=1] [L33] COND TRUE counter++<50 [L34] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [counter=1] [L16] COND FALSE !(!(cond)) VAL [counter=1] [L34] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [counter=1] [L36] COND TRUE !(c < k) VAL [counter=1] [L45] x = x * (z - 1) VAL [counter=1] [L47] CALL __VERIFIER_assert(1 + x - y == 0) VAL [counter=1] [L16] COND TRUE !(cond) VAL [counter=1] [L9] __assert_fail("0", "geo1-u.c", 9, "reach_error") VAL [counter=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 100.7 MB. Free memory is still 57.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 342.13 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 71.7 MB in the beginning and 102.3 MB in the end (delta: -30.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.26 ms. Allocated memory is still 125.8 MB. Free memory was 102.3 MB in the beginning and 101.4 MB in the end (delta: 919.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.26 ms. Allocated memory is still 125.8 MB. Free memory was 100.8 MB in the beginning and 100.2 MB in the end (delta: 582.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 446.50 ms. Allocated memory is still 125.8 MB. Free memory was 100.2 MB in the beginning and 86.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 1401.86 ms. Allocated memory is still 125.8 MB. Free memory was 86.1 MB in the beginning and 83.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.0 MB. Max. memory is 16.1 GB. * Witness Printer took 61.55 ms. Allocated memory is still 125.8 MB. Free memory was 83.6 MB in the beginning and 81.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...