./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test21-2.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_7cf0997f-fdb7-4667-92b5-3ff374e22017/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7cf0997f-fdb7-4667-92b5-3ff374e22017/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7cf0997f-fdb7-4667-92b5-3ff374e22017/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7cf0997f-fdb7-4667-92b5-3ff374e22017/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test21-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7cf0997f-fdb7-4667-92b5-3ff374e22017/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7cf0997f-fdb7-4667-92b5-3ff374e22017/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 34ee7183d8669d8a5837b9fc7867e46ccee92ce8 .......................................................................................................................................................................................................................................... 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 04:37:46,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:37:46,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:37:46,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:37:46,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:37:46,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:37:46,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:37:46,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:37:46,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:37:46,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:37:46,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:37:46,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:37:46,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:37:46,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:37:46,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:37:46,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:37:46,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:37:46,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:37:46,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:37:46,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:37:46,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:37:46,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:37:46,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:37:46,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:37:46,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:37:46,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:37:46,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:37:46,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:37:46,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:37:46,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:37:46,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:37:46,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:37:46,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:37:46,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:37:46,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:37:46,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:37:46,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:37:46,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:37:46,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:37:46,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:37:46,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:37:46,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7cf0997f-fdb7-4667-92b5-3ff374e22017/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:37:46,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:37:46,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:37:46,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:37:46,819 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:37:46,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:37:46,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:37:46,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:37:46,821 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:37:46,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:37:46,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:37:46,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:37:46,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:37:46,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:37:46,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:37:46,822 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:37:46,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:37:46,823 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:37:46,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:37:46,823 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:37:46,823 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:37:46,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:37:46,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:37:46,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:37:46,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:37:46,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:37:46,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:37:46,825 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:37:46,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:37:46,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:37:46,825 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_7cf0997f-fdb7-4667-92b5-3ff374e22017/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7cf0997f-fdb7-4667-92b5-3ff374e22017/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34ee7183d8669d8a5837b9fc7867e46ccee92ce8 [2020-11-28 04:37:47,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:37:47,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:37:47,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:37:47,124 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:37:47,126 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:37:47,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7cf0997f-fdb7-4667-92b5-3ff374e22017/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test21-2.c [2020-11-28 04:37:47,213 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7cf0997f-fdb7-4667-92b5-3ff374e22017/bin/ukojak/data/07ee06e30/94907944de5342409c6d4afbeac9acc5/FLAG8b25f7aea [2020-11-28 04:37:47,677 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:37:47,678 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7cf0997f-fdb7-4667-92b5-3ff374e22017/sv-benchmarks/c/ldv-regression/test21-2.c [2020-11-28 04:37:47,685 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7cf0997f-fdb7-4667-92b5-3ff374e22017/bin/ukojak/data/07ee06e30/94907944de5342409c6d4afbeac9acc5/FLAG8b25f7aea [2020-11-28 04:37:47,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7cf0997f-fdb7-4667-92b5-3ff374e22017/bin/ukojak/data/07ee06e30/94907944de5342409c6d4afbeac9acc5 [2020-11-28 04:37:47,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:37:47,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:37:47,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:47,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:37:47,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:37:47,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:47" (1/1) ... [2020-11-28 04:37:47,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d4ba154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:47, skipping insertion in model container [2020-11-28 04:37:47,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:47" (1/1) ... [2020-11-28 04:37:47,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:37:47,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:37:47,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:37:47,942 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:37:47,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:37:47,995 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:37:47,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:47 WrapperNode [2020-11-28 04:37:47,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:47,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:37:47,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:37:47,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:37:48,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:47" (1/1) ... [2020-11-28 04:37:48,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:47" (1/1) ... [2020-11-28 04:37:48,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:37:48,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:37:48,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:37:48,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:37:48,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:47" (1/1) ... [2020-11-28 04:37:48,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:47" (1/1) ... [2020-11-28 04:37:48,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:47" (1/1) ... [2020-11-28 04:37:48,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:47" (1/1) ... [2020-11-28 04:37:48,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:47" (1/1) ... [2020-11-28 04:37:48,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:47" (1/1) ... [2020-11-28 04:37:48,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:47" (1/1) ... [2020-11-28 04:37:48,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:37:48,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:37:48,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:37:48,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:37:48,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7cf0997f-fdb7-4667-92b5-3ff374e22017/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 04:37:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:37:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:37:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:37:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2020-11-28 04:37:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2020-11-28 04:37:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:37:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:37:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:37:48,737 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:37:48,738 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-28 04:37:48,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:48 BoogieIcfgContainer [2020-11-28 04:37:48,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:37:48,741 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:37:48,741 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:37:48,752 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:37:48,753 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:48" (1/1) ... [2020-11-28 04:37:48,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:37:48,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:48,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2020-11-28 04:37:48,804 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2020-11-28 04:37:48,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:37:48,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:37:48,962 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:37:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:37:49,045 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:37:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:37:49,161 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:37:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:37:49,186 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:37:49,211 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-11-28 04:37:49,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:37:49 ImpRootNode [2020-11-28 04:37:49,268 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:37:49,269 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:37:49,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:37:49,269 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:37:49,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:48" (3/4) ... [2020-11-28 04:37:49,272 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:37:49,333 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7cf0997f-fdb7-4667-92b5-3ff374e22017/bin/ukojak/witness.graphml [2020-11-28 04:37:49,333 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:37:49,336 INFO L168 Benchmark]: Toolchain (without parser) took 1630.89 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 54.5 MB in the beginning and 68.6 MB in the end (delta: -14.1 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:49,337 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 45.2 MB in the beginning and 45.1 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:37:49,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.35 ms. Allocated memory is still 86.0 MB. Free memory was 54.3 MB in the beginning and 63.7 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:49,339 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.00 ms. Allocated memory is still 86.0 MB. Free memory was 63.7 MB in the beginning and 62.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:49,340 INFO L168 Benchmark]: Boogie Preprocessor took 37.03 ms. Allocated memory is still 86.0 MB. Free memory was 62.4 MB in the beginning and 61.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:37:49,341 INFO L168 Benchmark]: RCFGBuilder took 644.36 ms. Allocated memory is still 86.0 MB. Free memory was 61.2 MB in the beginning and 41.4 MB in the end (delta: 19.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:49,342 INFO L168 Benchmark]: CodeCheck took 526.58 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 41.4 MB in the beginning and 70.7 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:37:49,343 INFO L168 Benchmark]: Witness Printer took 64.74 ms. Allocated memory is still 104.9 MB. Free memory was 70.7 MB in the beginning and 68.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:49,347 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, 14 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L11] struct dummy d1, d2; [L15] d1.a = __VERIFIER_nondet_int() [L16] d1.b = __VERIFIER_nondet_int() [L18] d2.a = __VERIFIER_nondet_int() [L19] d2.b = __VERIFIER_nondet_int() [L35] CALL, EXPR get_dummy() VAL [d1={2448:0}, d2={2451:0}] [L24] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] RET, EXPR get_dummy() VAL [d1={2448:0}, d2={2451:0}] [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L35] CALL, EXPR get_dummy() VAL [d1={2448:0}, d2={2451:0}] [L24] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] RET, EXPR get_dummy() VAL [d1={2448:0}, d2={2451:0}] [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L36] COND TRUE pd1 != 0 && pd1 == pd2 [L29] EXPR s1->a [L29] EXPR s2->b [L29] return s1->a == s2->b; [L37] COND TRUE !check(pd1, pd2) [L3] __assert_fail("0", "test21-2.c", 3, "reach_error") VAL [d1={2448:0}, d2={2451:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 45.2 MB in the beginning and 45.1 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 291.35 ms. Allocated memory is still 86.0 MB. Free memory was 54.3 MB in the beginning and 63.7 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.00 ms. Allocated memory is still 86.0 MB. Free memory was 63.7 MB in the beginning and 62.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.03 ms. Allocated memory is still 86.0 MB. Free memory was 62.4 MB in the beginning and 61.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 644.36 ms. Allocated memory is still 86.0 MB. Free memory was 61.2 MB in the beginning and 41.4 MB in the end (delta: 19.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 526.58 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 41.4 MB in the beginning and 70.7 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 64.74 ms. Allocated memory is still 104.9 MB. Free memory was 70.7 MB in the beginning and 68.6 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...