./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1dcc0cc2-36be-453f-a830-304e2bd4a645/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1dcc0cc2-36be-453f-a830-304e2bd4a645/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1dcc0cc2-36be-453f-a830-304e2bd4a645/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1dcc0cc2-36be-453f-a830-304e2bd4a645/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1dcc0cc2-36be-453f-a830-304e2bd4a645/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1dcc0cc2-36be-453f-a830-304e2bd4a645/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 af7f35fd373c746accd069508e77731f2340edb7 ................................................................................................................................................................................................................................................................ 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-a4ecdab [2020-11-28 04:44:41,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:42,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:42,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:42,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:42,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:42,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:42,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:42,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:42,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:42,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:42,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:42,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:42,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:42,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:42,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:42,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:42,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:42,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:42,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:42,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:42,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:42,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:42,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:42,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:42,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:42,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:42,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:42,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:42,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:42,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:42,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:42,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:42,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:42,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:42,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:42,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:42,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:42,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:42,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:42,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:42,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1dcc0cc2-36be-453f-a830-304e2bd4a645/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:42,165 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:42,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:42,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:42,167 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:42,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:42,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:42,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:42,169 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:42,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:42,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:42,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:42,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:42,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:42,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:42,171 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:42,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:42,171 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:42,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:42,172 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:42,172 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:42,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:42,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:42,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:42,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:42,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:42,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:42,174 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:42,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:42,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:42,174 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_1dcc0cc2-36be-453f-a830-304e2bd4a645/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1dcc0cc2-36be-453f-a830-304e2bd4a645/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af7f35fd373c746accd069508e77731f2340edb7 [2020-11-28 04:44:42,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:42,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:42,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:42,452 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:42,453 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:42,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1dcc0cc2-36be-453f-a830-304e2bd4a645/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound1.c [2020-11-28 04:44:42,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1dcc0cc2-36be-453f-a830-304e2bd4a645/bin/ukojak/data/d1e43d1ab/a88db18515e54cd3b77d842c587c8d1d/FLAGb6843bd3c [2020-11-28 04:44:42,999 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:42,999 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1dcc0cc2-36be-453f-a830-304e2bd4a645/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound1.c [2020-11-28 04:44:43,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1dcc0cc2-36be-453f-a830-304e2bd4a645/bin/ukojak/data/d1e43d1ab/a88db18515e54cd3b77d842c587c8d1d/FLAGb6843bd3c [2020-11-28 04:44:43,412 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1dcc0cc2-36be-453f-a830-304e2bd4a645/bin/ukojak/data/d1e43d1ab/a88db18515e54cd3b77d842c587c8d1d [2020-11-28 04:44:43,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:43,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:43,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:43,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:43,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:43,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e50bcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43, skipping insertion in model container [2020-11-28 04:44:43,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:43,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:43,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:43,638 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:43,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:43,671 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:43,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43 WrapperNode [2020-11-28 04:44:43,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:43,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:43,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:43,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:43,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:43,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:43,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:43,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:43,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:43,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:43,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:43,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:43,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dcc0cc2-36be-453f-a830-304e2bd4a645/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 [2020-11-28 04:44:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-28 04:44:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-28 04:44:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2020-11-28 04:44:44,114 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:44,114 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 04:44:44,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:44 BoogieIcfgContainer [2020-11-28 04:44:44,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:44,117 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:44,117 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:44,140 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:44,141 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:44,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2020-11-28 04:44:44,190 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2020-11-28 04:44:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:44:44,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:44,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2020-11-28 04:44:44,329 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2020-11-28 04:44:44,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:44:44,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 04:44:44,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:44,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:44,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2020-11-28 04:44:44,584 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2020-11-28 04:44:44,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:44:44,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 04:44:44,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:44,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:45,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2020-11-28 04:44:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2020-11-28 04:44:45,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:44:45,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:45,239 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:45,259 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:45,284 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2020-11-28 04:44:45,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:45 ImpRootNode [2020-11-28 04:44:45,326 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:45,326 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:45,327 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:45,327 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:45,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:44" (3/4) ... [2020-11-28 04:44:45,330 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:44:45,389 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1dcc0cc2-36be-453f-a830-304e2bd4a645/bin/ukojak/witness.graphml [2020-11-28 04:44:45,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:45,400 INFO L168 Benchmark]: Toolchain (without parser) took 1976.21 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 63.5 MB in the beginning and 91.5 MB in the end (delta: -28.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:45,401 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 75.5 MB. Free memory was 34.1 MB in the beginning and 34.1 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:45,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.27 ms. Allocated memory is still 94.4 MB. Free memory was 63.3 MB in the beginning and 72.4 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:45,404 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.28 ms. Allocated memory is still 94.4 MB. Free memory was 71.9 MB in the beginning and 70.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:45,406 INFO L168 Benchmark]: Boogie Preprocessor took 21.74 ms. Allocated memory is still 94.4 MB. Free memory was 70.7 MB in the beginning and 69.8 MB in the end (delta: 925.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:45,407 INFO L168 Benchmark]: RCFGBuilder took 383.25 ms. Allocated memory is still 94.4 MB. Free memory was 69.8 MB in the beginning and 56.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:45,408 INFO L168 Benchmark]: CodeCheck took 1209.01 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 56.0 MB in the beginning and 93.6 MB in the end (delta: -37.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:45,412 INFO L168 Benchmark]: Witness Printer took 65.51 ms. Allocated memory is still 115.3 MB. Free memory was 93.6 MB in the beginning and 91.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:45,415 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: 1.1s, 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, 78 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 SizeOfPredicates, 2 NumberOfNonLiveVariables, 108 ConjunctsInSsa, 10 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_unsigned_int() [L27] k = __VERIFIER_nondet_unsigned_int() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [counter=0] [L33] EXPR counter++ VAL [counter=1] [L33] COND TRUE counter++<1 [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 0.14 ms. Allocated memory is still 75.5 MB. Free memory was 34.1 MB in the beginning and 34.1 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 254.27 ms. Allocated memory is still 94.4 MB. Free memory was 63.3 MB in the beginning and 72.4 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.28 ms. Allocated memory is still 94.4 MB. Free memory was 71.9 MB in the beginning and 70.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.74 ms. Allocated memory is still 94.4 MB. Free memory was 70.7 MB in the beginning and 69.8 MB in the end (delta: 925.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 383.25 ms. Allocated memory is still 94.4 MB. Free memory was 69.8 MB in the beginning and 56.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 1209.01 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 56.0 MB in the beginning and 93.6 MB in the end (delta: -37.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. * Witness Printer took 65.51 ms. Allocated memory is still 115.3 MB. Free memory was 93.6 MB in the beginning and 91.5 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...