./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.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_06956425-6c4d-41e5-9f28-46b816f5fdfd/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_06956425-6c4d-41e5-9f28-46b816f5fdfd/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_06956425-6c4d-41e5-9f28-46b816f5fdfd/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_06956425-6c4d-41e5-9f28-46b816f5fdfd/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c -s /tmp/vcloud-vcloud-master/worker/run_dir_06956425-6c4d-41e5-9f28-46b816f5fdfd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_06956425-6c4d-41e5-9f28-46b816f5fdfd/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 5e3380a58443e5008517ff3f1634c7ed2538bac7 .............................................................................................................................................................................................................................................. 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 04:45:10,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:45:10,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:45:10,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:45:10,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:45:10,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:45:10,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:45:10,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:45:10,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:45:10,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:45:10,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:45:10,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:45:10,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:45:10,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:45:10,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:45:10,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:45:10,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:45:10,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:45:10,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:45:10,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:45:10,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:45:10,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:45:10,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:45:10,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:45:10,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:45:10,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:45:10,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:45:10,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:45:10,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:45:10,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:45:10,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:45:10,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:45:10,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:45:10,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:45:10,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:45:10,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:45:10,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:45:10,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:45:10,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:45:10,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:45:10,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:45:10,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_06956425-6c4d-41e5-9f28-46b816f5fdfd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:45:10,807 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:45:10,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:45:10,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:45:10,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:45:10,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:45:10,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:45:10,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:45:10,810 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:45:10,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:45:10,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:45:10,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:45:10,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:45:10,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:45:10,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:45:10,811 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:45:10,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:45:10,811 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:45:10,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:45:10,812 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:45:10,812 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:45:10,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:45:10,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:45:10,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:45:10,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:45:10,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:45:10,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:45:10,814 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:45:10,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:45:10,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:45:10,820 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_06956425-6c4d-41e5-9f28-46b816f5fdfd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_06956425-6c4d-41e5-9f28-46b816f5fdfd/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e3380a58443e5008517ff3f1634c7ed2538bac7 [2020-11-28 04:45:11,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:45:11,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:45:11,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:45:11,099 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:45:11,099 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:45:11,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_06956425-6c4d-41e5-9f28-46b816f5fdfd/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c [2020-11-28 04:45:11,202 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06956425-6c4d-41e5-9f28-46b816f5fdfd/bin/ukojak/data/7d6473237/9bc06b216ee54de2ba3babdece83ceeb/FLAG4f53d228a [2020-11-28 04:45:11,777 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:45:11,778 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_06956425-6c4d-41e5-9f28-46b816f5fdfd/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c [2020-11-28 04:45:11,789 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06956425-6c4d-41e5-9f28-46b816f5fdfd/bin/ukojak/data/7d6473237/9bc06b216ee54de2ba3babdece83ceeb/FLAG4f53d228a [2020-11-28 04:45:12,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_06956425-6c4d-41e5-9f28-46b816f5fdfd/bin/ukojak/data/7d6473237/9bc06b216ee54de2ba3babdece83ceeb [2020-11-28 04:45:12,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:45:12,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:45:12,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:45:12,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:45:12,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:45:12,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb4e566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12, skipping insertion in model container [2020-11-28 04:45:12,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:45:12,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:45:12,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:45:12,411 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:45:12,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:45:12,445 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:45:12,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12 WrapperNode [2020-11-28 04:45:12,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:45:12,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:45:12,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:45:12,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:45:12,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:45:12,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:45:12,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:45:12,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:45:12,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... [2020-11-28 04:45:12,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:45:12,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:45:12,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:45:12,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:45:12,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_06956425-6c4d-41e5-9f28-46b816f5fdfd/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 04:45:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-28 04:45:12,615 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-28 04:45:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:45:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:45:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:45:12,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:45:12,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-28 04:45:12,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-28 04:45:12,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2020-11-28 04:45:12,998 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:45:12,999 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 04:45:13,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:13 BoogieIcfgContainer [2020-11-28 04:45:13,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:45:13,002 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:45:13,002 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:45:13,014 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:45:13,014 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:13" (1/1) ... [2020-11-28 04:45:13,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:45:13,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:13,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2020-11-28 04:45:13,059 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2020-11-28 04:45:13,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:45:13,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:13,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 04:45:13,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:45:13,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:45:13,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:13,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2020-11-28 04:45:13,496 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2020-11-28 04:45:13,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:45:13,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:45:13,553 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:45:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:45:13,575 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:45:13,612 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2020-11-28 04:45:13,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:45:13 ImpRootNode [2020-11-28 04:45:13,668 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:45:13,669 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:45:13,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:45:13,670 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:45:13,671 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:13" (3/4) ... [2020-11-28 04:45:13,673 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:45:13,746 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_06956425-6c4d-41e5-9f28-46b816f5fdfd/bin/ukojak/witness.graphml [2020-11-28 04:45:13,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:45:13,756 INFO L168 Benchmark]: Toolchain (without parser) took 1592.45 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 64.2 MB in the beginning and 79.1 MB in the end (delta: -14.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:13,756 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory was 53.2 MB in the beginning and 53.1 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:45:13,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.03 ms. Allocated memory is still 94.4 MB. Free memory was 64.2 MB in the beginning and 72.2 MB in the end (delta: -8.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:13,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.86 ms. Allocated memory is still 94.4 MB. Free memory was 72.2 MB in the beginning and 70.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:13,758 INFO L168 Benchmark]: Boogie Preprocessor took 32.24 ms. Allocated memory is still 94.4 MB. Free memory was 70.6 MB in the beginning and 69.6 MB in the end (delta: 998.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:45:13,759 INFO L168 Benchmark]: RCFGBuilder took 476.81 ms. Allocated memory is still 94.4 MB. Free memory was 69.6 MB in the beginning and 54.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:13,762 INFO L168 Benchmark]: CodeCheck took 665.90 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 54.5 MB in the beginning and 82.0 MB in the end (delta: -27.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:45:13,763 INFO L168 Benchmark]: Witness Printer took 76.79 ms. Allocated memory is still 113.2 MB. Free memory was 82.0 MB in the beginning and 79.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:13,766 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 3 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 15 SDtfs, 2 SDslu, 2 SDs, 0 SdLazy, 15 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 429 SizeOfPredicates, 2 NumberOfNonLiveVariables, 64 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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: [L23] unsigned int z, k; [L24] long long x, y, c; [L25] z = __VERIFIER_nondet_unsigned_int() [L26] CALL assume_abort_if_not(z>=0 && z<=50) VAL [\old(cond)=1] [L13] COND FALSE !(!cond) [L26] RET assume_abort_if_not(z>=0 && z<=50) [L27] k = __VERIFIER_nondet_unsigned_int() [L28] CALL assume_abort_if_not(k>=0 && k<=50) VAL [\old(cond)=1] [L13] COND FALSE !(!cond) [L28] RET assume_abort_if_not(k>=0 && k<=50) [L30] x = 1 [L31] y = z [L32] c = 1 [L34] COND TRUE 1 [L35] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) [L16] COND FALSE !(!(cond)) [L35] RET __VERIFIER_assert(x*z - x - y + 1 == 0) [L37] COND TRUE !(c < k) [L46] x = x * (z - 1) [L48] CALL __VERIFIER_assert(1 + x - y == 0) [L16] COND TRUE !(cond) [L9] __assert_fail("0", "geo1-u.c", 9, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory was 53.2 MB in the beginning and 53.1 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 282.03 ms. Allocated memory is still 94.4 MB. Free memory was 64.2 MB in the beginning and 72.2 MB in the end (delta: -8.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.86 ms. Allocated memory is still 94.4 MB. Free memory was 72.2 MB in the beginning and 70.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.24 ms. Allocated memory is still 94.4 MB. Free memory was 70.6 MB in the beginning and 69.6 MB in the end (delta: 998.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 476.81 ms. Allocated memory is still 94.4 MB. Free memory was 69.6 MB in the beginning and 54.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 665.90 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 54.5 MB in the beginning and 82.0 MB in the end (delta: -27.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 76.79 ms. Allocated memory is still 113.2 MB. Free memory was 82.0 MB in the beginning and 79.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...