./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/alt_test_true-termination.c_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e414518b-a5b8-4c9d-b2ae-dbad3ceb3292/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e414518b-a5b8-4c9d-b2ae-dbad3ceb3292/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e414518b-a5b8-4c9d-b2ae-dbad3ceb3292/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e414518b-a5b8-4c9d-b2ae-dbad3ceb3292/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/alt_test_true-termination.c_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e414518b-a5b8-4c9d-b2ae-dbad3ceb3292/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e414518b-a5b8-4c9d-b2ae-dbad3ceb3292/bin-2019/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 28a1c96d0dcbab8e66df0b7e0c92c558fac63e78 ............................................................................................................................................................................................................................................. 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 0.1.23-635dfa2 [2018-12-09 17:45:46,802 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:45:46,803 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:45:46,809 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:45:46,809 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:45:46,810 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:45:46,810 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:45:46,811 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:45:46,812 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:45:46,812 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:45:46,812 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:45:46,813 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:45:46,813 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:45:46,813 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:45:46,814 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:45:46,814 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:45:46,815 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:45:46,816 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:45:46,816 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:45:46,817 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:45:46,818 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:45:46,818 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:45:46,819 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:45:46,819 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:45:46,819 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:45:46,820 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:45:46,820 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:45:46,821 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:45:46,821 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:45:46,822 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:45:46,822 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:45:46,822 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:45:46,822 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:45:46,822 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:45:46,823 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:45:46,823 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:45:46,823 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e414518b-a5b8-4c9d-b2ae-dbad3ceb3292/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 17:45:46,830 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:45:46,831 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:45:46,831 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:45:46,831 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 17:45:46,832 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 17:45:46,832 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 17:45:46,832 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:45:46,832 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:45:46,832 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:45:46,832 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:45:46,832 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:45:46,832 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:45:46,832 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:45:46,832 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:45:46,832 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:45:46,833 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:45:46,833 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 17:45:46,833 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:45:46,833 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 17:45:46,833 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 17:45:46,833 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:45:46,833 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:45:46,833 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 17:45:46,833 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:45:46,833 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:45:46,833 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:45:46,833 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 17:45:46,834 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:45:46,834 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:45:46,834 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_e414518b-a5b8-4c9d-b2ae-dbad3ceb3292/bin-2019/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 -> 28a1c96d0dcbab8e66df0b7e0c92c558fac63e78 [2018-12-09 17:45:46,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:45:46,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:45:46,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:45:46,862 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:45:46,863 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:45:46,863 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e414518b-a5b8-4c9d-b2ae-dbad3ceb3292/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/alt_test_true-termination.c_false-unreach-call.i [2018-12-09 17:45:46,898 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e414518b-a5b8-4c9d-b2ae-dbad3ceb3292/bin-2019/ukojak/data/5c5bd3e10/b22d54301e8f4eee9cca8cd81f9859d9/FLAG6bf780cae [2018-12-09 17:45:47,265 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:45:47,265 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e414518b-a5b8-4c9d-b2ae-dbad3ceb3292/sv-benchmarks/c/ldv-regression/alt_test_true-termination.c_false-unreach-call.i [2018-12-09 17:45:47,273 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e414518b-a5b8-4c9d-b2ae-dbad3ceb3292/bin-2019/ukojak/data/5c5bd3e10/b22d54301e8f4eee9cca8cd81f9859d9/FLAG6bf780cae [2018-12-09 17:45:47,282 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e414518b-a5b8-4c9d-b2ae-dbad3ceb3292/bin-2019/ukojak/data/5c5bd3e10/b22d54301e8f4eee9cca8cd81f9859d9 [2018-12-09 17:45:47,283 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:45:47,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:45:47,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:45:47,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:45:47,287 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:45:47,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:45:47" (1/1) ... [2018-12-09 17:45:47,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae65c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:47, skipping insertion in model container [2018-12-09 17:45:47,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:45:47" (1/1) ... [2018-12-09 17:45:47,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:45:47,316 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:45:47,497 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:45:47,500 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:45:47,561 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:45:47,612 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:45:47,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:47 WrapperNode [2018-12-09 17:45:47,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:45:47,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:45:47,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:45:47,613 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:45:47,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:47" (1/1) ... [2018-12-09 17:45:47,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:47" (1/1) ... [2018-12-09 17:45:47,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:45:47,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:45:47,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:45:47,639 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:45:47,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:47" (1/1) ... [2018-12-09 17:45:47,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:47" (1/1) ... [2018-12-09 17:45:47,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:47" (1/1) ... [2018-12-09 17:45:47,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:47" (1/1) ... [2018-12-09 17:45:47,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:47" (1/1) ... [2018-12-09 17:45:47,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:47" (1/1) ... [2018-12-09 17:45:47,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:47" (1/1) ... [2018-12-09 17:45:47,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:45:47,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:45:47,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:45:47,652 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:45:47,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e414518b-a5b8-4c9d-b2ae-dbad3ceb3292/bin-2019/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 [2018-12-09 17:45:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 17:45:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 17:45:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure l_free [2018-12-09 17:45:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure l_free [2018-12-09 17:45:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:45:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:45:47,828 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:45:47,829 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 17:45:47,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:45:47 BoogieIcfgContainer [2018-12-09 17:45:47,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:45:47,829 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 17:45:47,829 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 17:45:47,835 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 17:45:47,836 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:45:47" (1/1) ... [2018-12-09 17:45:47,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:45:47,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:45:47,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2018-12-09 17:45:47,865 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2018-12-09 17:45:47,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 17:45:47,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:45:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:45:47,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:45:47,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:45:47,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 17 transitions. [2018-12-09 17:45:47,985 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-12-09 17:45:47,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 17:45:47,986 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:45:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:45:48,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:45:48,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:45:48,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 21 transitions. [2018-12-09 17:45:48,167 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-12-09 17:45:48,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 17:45:48,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:45:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:45:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:45:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:45:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:45:48,215 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2018-12-09 17:45:48,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 05:45:48 ImpRootNode [2018-12-09 17:45:48,235 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 17:45:48,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:45:48,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:45:48,235 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:45:48,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:45:47" (3/4) ... [2018-12-09 17:45:48,237 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 17:45:48,263 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e414518b-a5b8-4c9d-b2ae-dbad3ceb3292/bin-2019/ukojak/witness.graphml [2018-12-09 17:45:48,263 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:45:48,264 INFO L168 Benchmark]: Toolchain (without parser) took 980.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 949.5 MB in the beginning and 975.2 MB in the end (delta: -25.6 MB). Peak memory consumption was 71.4 MB. Max. memory is 11.5 GB. [2018-12-09 17:45:48,265 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:45:48,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -115.8 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:45:48,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-09 17:45:48,266 INFO L168 Benchmark]: Boogie Preprocessor took 12.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:45:48,266 INFO L168 Benchmark]: RCFGBuilder took 177.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:45:48,266 INFO L168 Benchmark]: CodeCheck took 405.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 975.2 MB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:45:48,266 INFO L168 Benchmark]: Witness Printer took 28.40 ms. Allocated memory is still 1.1 GB. Free memory is still 975.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:45:48,268 INFO L336 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, 19 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 16 SDslu, 20 SDs, 0 SdLazy, 46 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 126 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 255 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1601]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1606] int globalState = 0; [L1619] void *retVal = malloc(size); [L1620] COND TRUE retVal != ((void *)0) [L1621] globalState=1 [L1622] return retVal; [L1612] int *a = (int*) l_malloc(sizeof(int)); [L1613] CALL l_free(a) VAL [\old(globalState)=1, globalState=1] [L1629] COND TRUE ptr!=((void *)0) VAL [\old(globalState)=1, globalState=1] [L1629] (globalState == 1) ? (0) : __blast_assert () VAL [\old(globalState)=1, globalState=1] [L1630] globalState = 0 [L1613] RET l_free(a) VAL [globalState=0] [L1614] CALL l_free(a) VAL [\old(globalState)=0, globalState=0] [L1629] COND TRUE ptr!=((void *)0) VAL [\old(globalState)=0, globalState=0] [L1629] (globalState == 1) ? (0) : __blast_assert () VAL [\old(globalState)=0, globalState=0] [L1601] __VERIFIER_error() VAL [\old(globalState)=0, globalState=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -115.8 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 177.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * CodeCheck took 405.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 975.2 MB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. * Witness Printer took 28.40 ms. Allocated memory is still 1.1 GB. Free memory is still 975.2 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...