./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test24-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bfa07f68-d0f6-4df7-bb8a-a3c54a8a6497/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bfa07f68-d0f6-4df7-bb8a-a3c54a8a6497/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bfa07f68-d0f6-4df7-bb8a-a3c54a8a6497/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bfa07f68-d0f6-4df7-bb8a-a3c54a8a6497/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test24-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bfa07f68-d0f6-4df7-bb8a-a3c54a8a6497/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bfa07f68-d0f6-4df7-bb8a-a3c54a8a6497/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 45294379b83c6b60e0b0199955cdf7244f057430 ................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-678e011 [2019-11-20 06:27:48,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:27:48,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:27:48,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:27:48,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:27:48,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:27:48,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:27:48,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:27:48,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:27:48,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:27:48,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:27:48,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:27:48,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:27:48,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:27:48,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:27:48,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:27:48,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:27:48,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:27:48,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:27:48,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:27:48,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:27:48,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:27:48,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:27:48,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:27:48,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:27:48,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:27:48,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:27:48,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:27:48,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:27:48,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:27:48,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:27:48,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:27:48,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:27:48,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:27:48,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:27:48,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:27:48,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:27:48,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:27:48,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:27:48,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:27:48,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:27:48,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bfa07f68-d0f6-4df7-bb8a-a3c54a8a6497/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 06:27:48,088 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:27:48,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:27:48,089 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 06:27:48,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 06:27:48,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:27:48,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:27:48,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:27:48,090 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:27:48,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:27:48,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:27:48,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:27:48,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:27:48,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:27:48,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:27:48,091 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:27:48,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:27:48,092 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:27:48,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:27:48,092 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 06:27:48,092 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 06:27:48,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:27:48,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:27:48,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:27:48,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:27:48,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:27:48,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:27:48,094 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 06:27:48,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:27:48,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:27:48,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bfa07f68-d0f6-4df7-bb8a-a3c54a8a6497/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(__VERIFIER_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 -> 45294379b83c6b60e0b0199955cdf7244f057430 [2019-11-20 06:27:48,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:27:48,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:27:48,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:27:48,262 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:27:48,263 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:27:48,263 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bfa07f68-d0f6-4df7-bb8a-a3c54a8a6497/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test24-2.c [2019-11-20 06:27:48,316 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bfa07f68-d0f6-4df7-bb8a-a3c54a8a6497/bin/ukojak/data/023be9e52/1e8c0bb7f713409098bf3f6bd6911367/FLAGd54b49704 [2019-11-20 06:27:48,746 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:27:48,747 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bfa07f68-d0f6-4df7-bb8a-a3c54a8a6497/sv-benchmarks/c/ldv-regression/test24-2.c [2019-11-20 06:27:48,752 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bfa07f68-d0f6-4df7-bb8a-a3c54a8a6497/bin/ukojak/data/023be9e52/1e8c0bb7f713409098bf3f6bd6911367/FLAGd54b49704 [2019-11-20 06:27:48,764 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bfa07f68-d0f6-4df7-bb8a-a3c54a8a6497/bin/ukojak/data/023be9e52/1e8c0bb7f713409098bf3f6bd6911367 [2019-11-20 06:27:48,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:27:48,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:27:48,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:27:48,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:27:48,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:27:48,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:27:48" (1/1) ... [2019-11-20 06:27:48,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@238385a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:48, skipping insertion in model container [2019-11-20 06:27:48,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:27:48" (1/1) ... [2019-11-20 06:27:48,783 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:27:48,800 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:27:49,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:27:49,019 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:27:49,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:27:49,049 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:27:49,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:49 WrapperNode [2019-11-20 06:27:49,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:27:49,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:27:49,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:27:49,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:27:49,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:49" (1/1) ... [2019-11-20 06:27:49,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:49" (1/1) ... [2019-11-20 06:27:49,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:27:49,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:27:49,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:27:49,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:27:49,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:49" (1/1) ... [2019-11-20 06:27:49,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:49" (1/1) ... [2019-11-20 06:27:49,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:49" (1/1) ... [2019-11-20 06:27:49,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:49" (1/1) ... [2019-11-20 06:27:49,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:49" (1/1) ... [2019-11-20 06:27:49,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:49" (1/1) ... [2019-11-20 06:27:49,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:49" (1/1) ... [2019-11-20 06:27:49,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:27:49,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:27:49,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:27:49,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:27:49,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:27:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfa07f68-d0f6-4df7-bb8a-a3c54a8a6497/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:27:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 06:27:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:27:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:27:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 06:27:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:27:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:27:49,427 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:27:49,427 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 06:27:49,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:27:49 BoogieIcfgContainer [2019-11-20 06:27:49,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:27:49,429 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 06:27:49,429 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 06:27:49,440 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 06:27:49,441 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:27:49" (1/1) ... [2019-11-20 06:27:49,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:27:49,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:49,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2019-11-20 06:27:49,485 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2019-11-20 06:27:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 06:27:49,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:49,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:49,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:49,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2019-11-20 06:27:49,672 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-11-20 06:27:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 06:27:49,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:49,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:49,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:49,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2019-11-20 06:27:49,811 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2019-11-20 06:27:49,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 06:27:49,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:49,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2019-11-20 06:27:49,931 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2019-11-20 06:27:49,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 06:27:49,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:50,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:50,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2019-11-20 06:27:50,112 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2019-11-20 06:27:50,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 06:27:50,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:50,192 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:50,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2019-11-20 06:27:50,254 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-11-20 06:27:50,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 06:27:50,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:50,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:50,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2019-11-20 06:27:50,415 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-11-20 06:27:50,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 06:27:50,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:50,511 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:50,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:50,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2019-11-20 06:27:50,597 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2019-11-20 06:27:50,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 06:27:50,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:50,665 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:50,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:50,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2019-11-20 06:27:50,759 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-11-20 06:27:50,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 06:27:50,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:50,847 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:50,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2019-11-20 06:27:50,931 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-20 06:27:50,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 06:27:50,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:50,990 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:51,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:51,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2019-11-20 06:27:51,101 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-11-20 06:27:51,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 06:27:51,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:51,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:51,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2019-11-20 06:27:51,328 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2019-11-20 06:27:51,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 06:27:51,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:51,405 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:51,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2019-11-20 06:27:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-11-20 06:27:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 06:27:51,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:51,614 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:51,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2019-11-20 06:27:51,726 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2019-11-20 06:27:51,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 06:27:51,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:51,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:51,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2019-11-20 06:27:51,943 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2019-11-20 06:27:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 06:27:51,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:52,021 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:52,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:52,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2019-11-20 06:27:52,132 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2019-11-20 06:27:52,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 06:27:52,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:52,214 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:52,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:52,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2019-11-20 06:27:52,354 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2019-11-20 06:27:52,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 06:27:52,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:52,446 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:52,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:52,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2019-11-20 06:27:52,595 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2019-11-20 06:27:52,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 06:27:52,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:52,691 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:52,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:52,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2019-11-20 06:27:52,831 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2019-11-20 06:27:52,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 06:27:52,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:52,927 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:53,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2019-11-20 06:27:53,088 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2019-11-20 06:27:53,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 06:27:53,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:27:53,178 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:27:53,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:27:53,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 32 states and 35 transitions. [2019-11-20 06:27:53,317 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2019-11-20 06:27:53,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 06:27:53,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:27:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:27:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:27:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:28:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:28:02,191 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2019-11-20 06:28:02,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:28:02 ImpRootNode [2019-11-20 06:28:02,233 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 06:28:02,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:28:02,234 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:28:02,234 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:28:02,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:27:49" (3/4) ... [2019-11-20 06:28:02,237 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 06:28:02,345 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bfa07f68-d0f6-4df7-bb8a-a3c54a8a6497/bin/ukojak/witness.graphml [2019-11-20 06:28:02,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:28:02,347 INFO L168 Benchmark]: Toolchain (without parser) took 13578.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -222.9 MB). Peak memory consumption was 211.9 MB. Max. memory is 11.5 GB. [2019-11-20 06:28:02,347 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:28:02,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 06:28:02,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:28:02,349 INFO L168 Benchmark]: Boogie Preprocessor took 23.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:28:02,350 INFO L168 Benchmark]: RCFGBuilder took 321.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-20 06:28:02,351 INFO L168 Benchmark]: CodeCheck took 12804.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 869.9 MB in the end (delta: 234.3 MB). Peak memory consumption was 234.3 MB. Max. memory is 11.5 GB. [2019-11-20 06:28:02,351 INFO L168 Benchmark]: Witness Printer took 111.41 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.8 MB). Free memory was 869.9 MB in the beginning and 1.2 GB in the end (delta: -296.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:28:02,355 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Result: UNSAFE, OverallTime: 12.7s, OverallIterations: 21, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4718592 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 7864310 SolverSat, 5767162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2474 GetRequests, 2225 SyntacticMatches, 171 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2299 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 6.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 377 NumberOfCodeBlocks, 377 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 329 ConstructedInterpolants, 0 QuantifiedInterpolants, 14355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1330 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: 37]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] struct dummy ad1[20], *ad2; [L16] int i, j, *pa; [L17] j=0 [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND TRUE j<20 [L18] ad1[j].a = __VERIFIER_nondet_int() [L19] ad1[j].b = __VERIFIER_nondet_int() [L17] j++ [L17] COND FALSE !(j<20) [L21] i = __VERIFIER_nondet_int() [L22] COND TRUE i >= 0 && i < 10 [L23] ad2 = ad1 [L24] ad1[i].a = i [L25] pa = &ad1[i].a [L26] EXPR ad2[i].a [L26] i = ad2[i].a + 10 [L27] EXPR \read(*pa) [L27] COND FALSE !(i < *pa) [L10] EXPR ad1[b].a [L10] return ad1[b].a == b; [L30] COND TRUE !check(ad1, i) [L37] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 321.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * CodeCheck took 12804.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 869.9 MB in the end (delta: 234.3 MB). Peak memory consumption was 234.3 MB. Max. memory is 11.5 GB. * Witness Printer took 111.41 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.8 MB). Free memory was 869.9 MB in the beginning and 1.2 GB in the end (delta: -296.3 MB). There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...