./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ss3f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ss3f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff0d4bb7e046ee783f758ee60438422a0a432bc6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-cad4683 [2019-11-15 19:57:09,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 19:57:09,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 19:57:09,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 19:57:09,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 19:57:09,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 19:57:09,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 19:57:09,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 19:57:09,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 19:57:09,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 19:57:09,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 19:57:09,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 19:57:09,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 19:57:09,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 19:57:09,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 19:57:09,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 19:57:09,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 19:57:09,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 19:57:09,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 19:57:09,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 19:57:09,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 19:57:09,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 19:57:09,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 19:57:09,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 19:57:09,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 19:57:09,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 19:57:09,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 19:57:09,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 19:57:09,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 19:57:09,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 19:57:09,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 19:57:09,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 19:57:09,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 19:57:09,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 19:57:09,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 19:57:09,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 19:57:09,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 19:57:09,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 19:57:09,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 19:57:09,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 19:57:09,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 19:57:09,840 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 19:57:09,854 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 19:57:09,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 19:57:09,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 19:57:09,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 19:57:09,855 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 19:57:09,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 19:57:09,856 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 19:57:09,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 19:57:09,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 19:57:09,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 19:57:09,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 19:57:09,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 19:57:09,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 19:57:09,857 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 19:57:09,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 19:57:09,858 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 19:57:09,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 19:57:09,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 19:57:09,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 19:57:09,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 19:57:09,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 19:57:09,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 19:57:09,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 19:57:09,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 19:57:09,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 19:57:09,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 19:57:09,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 19:57:09,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 19:57:09,860 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_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer 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 -> Automizer 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 -> ff0d4bb7e046ee783f758ee60438422a0a432bc6 [2019-11-15 19:57:09,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 19:57:09,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 19:57:09,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 19:57:09,899 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 19:57:09,899 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 19:57:09,900 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer/../../sv-benchmarks/c/array-fpi/ss3f.c [2019-11-15 19:57:09,968 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer/data/793955d2b/af39a42d1fc64b6ea930653aeee9bad0/FLAG86e8a0b3a [2019-11-15 19:57:10,322 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 19:57:10,323 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/sv-benchmarks/c/array-fpi/ss3f.c [2019-11-15 19:57:10,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer/data/793955d2b/af39a42d1fc64b6ea930653aeee9bad0/FLAG86e8a0b3a [2019-11-15 19:57:10,727 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer/data/793955d2b/af39a42d1fc64b6ea930653aeee9bad0 [2019-11-15 19:57:10,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 19:57:10,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 19:57:10,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 19:57:10,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 19:57:10,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 19:57:10,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 07:57:10" (1/1) ... [2019-11-15 19:57:10,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7341240f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:57:10, skipping insertion in model container [2019-11-15 19:57:10,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 07:57:10" (1/1) ... [2019-11-15 19:57:10,744 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 19:57:10,764 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 19:57:10,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 19:57:11,002 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 19:57:11,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 19:57:11,047 INFO L192 MainTranslator]: Completed translation [2019-11-15 19:57:11,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:57:11 WrapperNode [2019-11-15 19:57:11,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 19:57:11,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 19:57:11,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 19:57:11,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 19:57:11,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:57:11" (1/1) ... [2019-11-15 19:57:11,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:57:11" (1/1) ... [2019-11-15 19:57:11,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 19:57:11,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 19:57:11,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 19:57:11,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 19:57:11,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:57:11" (1/1) ... [2019-11-15 19:57:11,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:57:11" (1/1) ... [2019-11-15 19:57:11,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:57:11" (1/1) ... [2019-11-15 19:57:11,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:57:11" (1/1) ... [2019-11-15 19:57:11,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:57:11" (1/1) ... [2019-11-15 19:57:11,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:57:11" (1/1) ... [2019-11-15 19:57:11,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:57:11" (1/1) ... [2019-11-15 19:57:11,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 19:57:11,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 19:57:11,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 19:57:11,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 19:57:11,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:57:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-11-15 19:57:11,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 19:57:11,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 19:57:11,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 19:57:11,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 19:57:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 19:57:11,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 19:57:11,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 19:57:11,443 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 19:57:11,444 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-15 19:57:11,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:57:11 BoogieIcfgContainer [2019-11-15 19:57:11,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 19:57:11,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 19:57:11,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 19:57:11,448 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 19:57:11,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 07:57:10" (1/3) ... [2019-11-15 19:57:11,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69f0604d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 07:57:11, skipping insertion in model container [2019-11-15 19:57:11,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:57:11" (2/3) ... [2019-11-15 19:57:11,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69f0604d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 07:57:11, skipping insertion in model container [2019-11-15 19:57:11,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:57:11" (3/3) ... [2019-11-15 19:57:11,461 INFO L109 eAbstractionObserver]: Analyzing ICFG ss3f.c [2019-11-15 19:57:11,477 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 19:57:11,483 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 19:57:11,494 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 19:57:11,515 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 19:57:11,515 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 19:57:11,516 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 19:57:11,516 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 19:57:11,516 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 19:57:11,516 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 19:57:11,516 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 19:57:11,516 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 19:57:11,530 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-11-15 19:57:11,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 19:57:11,536 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 19:57:11,537 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 19:57:11,538 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 19:57:11,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:57:11,543 INFO L82 PathProgramCache]: Analyzing trace with hash -616844446, now seen corresponding path program 1 times [2019-11-15 19:57:11,551 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:57:11,551 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195799809] [2019-11-15 19:57:11,552 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:57:11,552 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:57:11,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:57:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 19:57:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 19:57:11,654 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195799809] [2019-11-15 19:57:11,655 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 19:57:11,655 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 19:57:11,655 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354563833] [2019-11-15 19:57:11,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 19:57:11,659 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 19:57:11,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 19:57:11,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 19:57:11,669 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2019-11-15 19:57:11,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 19:57:11,685 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2019-11-15 19:57:11,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 19:57:11,687 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2019-11-15 19:57:11,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 19:57:11,695 INFO L225 Difference]: With dead ends: 45 [2019-11-15 19:57:11,695 INFO L226 Difference]: Without dead ends: 21 [2019-11-15 19:57:11,698 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 19:57:11,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-15 19:57:11,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-15 19:57:11,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-15 19:57:11,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-15 19:57:11,728 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 15 [2019-11-15 19:57:11,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 19:57:11,728 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-15 19:57:11,728 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 19:57:11,728 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-15 19:57:11,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-15 19:57:11,729 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 19:57:11,729 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 19:57:11,730 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 19:57:11,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:57:11,730 INFO L82 PathProgramCache]: Analyzing trace with hash -212259730, now seen corresponding path program 1 times [2019-11-15 19:57:11,730 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:57:11,730 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393509436] [2019-11-15 19:57:11,731 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:57:11,731 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:57:11,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:57:11,746 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-15 19:57:11,747 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1568140397] [2019-11-15 19:57:11,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 19:57:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 19:57:11,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-15 19:57:11,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 19:57:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 19:57:11,853 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393509436] [2019-11-15 19:57:11,854 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-15 19:57:11,854 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568140397] [2019-11-15 19:57:11,854 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 19:57:11,855 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 19:57:11,855 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109792846] [2019-11-15 19:57:11,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 19:57:11,859 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 19:57:11,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 19:57:11,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 19:57:11,860 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 3 states. [2019-11-15 19:57:11,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 19:57:11,941 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2019-11-15 19:57:11,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 19:57:11,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2019-11-15 19:57:11,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 19:57:11,942 INFO L225 Difference]: With dead ends: 39 [2019-11-15 19:57:11,942 INFO L226 Difference]: Without dead ends: 23 [2019-11-15 19:57:11,943 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 19:57:11,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-15 19:57:11,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2019-11-15 19:57:11,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-15 19:57:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-11-15 19:57:11,948 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2019-11-15 19:57:11,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 19:57:11,948 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-11-15 19:57:11,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 19:57:11,948 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-11-15 19:57:11,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-15 19:57:11,949 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 19:57:11,949 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 19:57:12,154 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 19:57:12,157 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 19:57:12,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:57:12,158 INFO L82 PathProgramCache]: Analyzing trace with hash -673295792, now seen corresponding path program 1 times [2019-11-15 19:57:12,158 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:57:12,158 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710661756] [2019-11-15 19:57:12,158 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:57:12,158 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:57:12,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:57:12,183 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-15 19:57:12,183 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1285454039] [2019-11-15 19:57:12,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 19:57:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 19:57:12,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-15 19:57:12,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 19:57:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 19:57:12,259 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710661756] [2019-11-15 19:57:12,259 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-15 19:57:12,260 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285454039] [2019-11-15 19:57:12,261 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 19:57:12,261 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 19:57:12,261 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759920696] [2019-11-15 19:57:12,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 19:57:12,263 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 19:57:12,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 19:57:12,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 19:57:12,264 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 4 states. [2019-11-15 19:57:12,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 19:57:12,339 INFO L93 Difference]: Finished difference Result 44 states and 54 transitions. [2019-11-15 19:57:12,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 19:57:12,340 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-11-15 19:57:12,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 19:57:12,341 INFO L225 Difference]: With dead ends: 44 [2019-11-15 19:57:12,341 INFO L226 Difference]: Without dead ends: 31 [2019-11-15 19:57:12,341 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 19:57:12,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-15 19:57:12,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2019-11-15 19:57:12,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-15 19:57:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2019-11-15 19:57:12,346 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 17 [2019-11-15 19:57:12,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 19:57:12,347 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2019-11-15 19:57:12,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 19:57:12,347 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2019-11-15 19:57:12,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-15 19:57:12,348 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 19:57:12,348 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 19:57:12,553 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 19:57:12,553 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 19:57:12,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:57:12,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1943746392, now seen corresponding path program 1 times [2019-11-15 19:57:12,554 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:57:12,554 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60700592] [2019-11-15 19:57:12,554 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:57:12,554 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:57:12,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:57:12,583 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-15 19:57:12,583 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1922798174] [2019-11-15 19:57:12,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 19:57:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:57:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:57:12,700 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:57:12,703 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 19:57:12,906 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 19:57:12,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 07:57:12 BoogieIcfgContainer [2019-11-15 19:57:12,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 19:57:12,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 19:57:12,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 19:57:12,937 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 19:57:12,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:57:11" (3/4) ... [2019-11-15 19:57:12,939 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-15 19:57:12,985 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f5248ddd-273b-47e1-b4ab-c27656c139cc/bin/uautomizer/witness.graphml [2019-11-15 19:57:12,985 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 19:57:12,987 INFO L168 Benchmark]: Toolchain (without parser) took 2255.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -77.1 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. [2019-11-15 19:57:12,988 INFO L168 Benchmark]: CDTParser took 0.17 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. [2019-11-15 19:57:12,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -180.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-15 19:57:12,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.64 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. [2019-11-15 19:57:12,989 INFO L168 Benchmark]: Boogie Preprocessor took 26.80 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. [2019-11-15 19:57:12,990 INFO L168 Benchmark]: RCFGBuilder took 315.68 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-15 19:57:12,990 INFO L168 Benchmark]: TraceAbstraction took 1490.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2019-11-15 19:57:12,990 INFO L168 Benchmark]: Witness Printer took 48.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 19:57:12,993 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 316.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -180.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.64 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 26.80 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 315.68 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1490.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * Witness Printer took 48.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int N; VAL [N=0] [L18] N = __VERIFIER_nondet_int() [L19] COND FALSE !(N <= 0) [L22] int i; [L23] long long sum[1]; [L24] long long *a = malloc(sizeof(long long)*N); [L26] sum[0] = 0 [L27] i=0 VAL [N=1] [L27] COND TRUE i