./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8e9304ee-7350-4b8f-adae-2079e03b1801/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8e9304ee-7350-4b8f-adae-2079e03b1801/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8e9304ee-7350-4b8f-adae-2079e03b1801/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8e9304ee-7350-4b8f-adae-2079e03b1801/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8e9304ee-7350-4b8f-adae-2079e03b1801/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8e9304ee-7350-4b8f-adae-2079e03b1801/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 46e22e1d53e7e827d6bbfb0cb2148ba6e47285c6 ...................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:10:31,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:10:31,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:10:31,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:10:31,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:10:31,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:10:31,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:10:31,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:10:31,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:10:31,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:10:31,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:10:31,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:10:31,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:10:31,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:10:31,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:10:31,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:10:31,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:10:31,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:10:31,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:10:31,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:10:31,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:10:31,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:10:31,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:10:31,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:10:31,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:10:31,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:10:31,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:10:31,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:10:31,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:10:31,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:10:31,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:10:31,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:10:31,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:10:31,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:10:31,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:10:31,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:10:31,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:10:31,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:10:31,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:10:31,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:10:31,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:10:31,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8e9304ee-7350-4b8f-adae-2079e03b1801/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 23:10:31,834 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:10:31,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:10:31,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:10:31,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:10:31,835 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:10:31,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:10:31,836 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:10:31,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:10:31,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:10:31,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:10:31,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:10:31,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:10:31,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:10:31,837 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:10:31,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:10:31,837 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:10:31,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:10:31,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:10:31,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:10:31,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:10:31,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:10:31,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:10:31,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:10:31,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:10:31,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:10:31,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:10:31,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:10:31,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:10:31,840 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_8e9304ee-7350-4b8f-adae-2079e03b1801/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 -> 46e22e1d53e7e827d6bbfb0cb2148ba6e47285c6 [2019-11-19 23:10:32,019 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:10:32,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:10:32,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:10:32,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:10:32,034 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:10:32,035 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8e9304ee-7350-4b8f-adae-2079e03b1801/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2019-11-19 23:10:32,093 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8e9304ee-7350-4b8f-adae-2079e03b1801/bin/uautomizer/data/c3ce2e15c/b51d4ecef08d46e4b4036550c26b4aa5/FLAG9e1bed943 [2019-11-19 23:10:32,492 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:10:32,493 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8e9304ee-7350-4b8f-adae-2079e03b1801/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2019-11-19 23:10:32,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8e9304ee-7350-4b8f-adae-2079e03b1801/bin/uautomizer/data/c3ce2e15c/b51d4ecef08d46e4b4036550c26b4aa5/FLAG9e1bed943 [2019-11-19 23:10:32,896 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8e9304ee-7350-4b8f-adae-2079e03b1801/bin/uautomizer/data/c3ce2e15c/b51d4ecef08d46e4b4036550c26b4aa5 [2019-11-19 23:10:32,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:10:32,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:10:32,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:10:32,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:10:32,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:10:32,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:10:32" (1/1) ... [2019-11-19 23:10:32,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30fb77e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:32, skipping insertion in model container [2019-11-19 23:10:32,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:10:32" (1/1) ... [2019-11-19 23:10:32,920 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:10:32,946 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:10:33,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:10:33,262 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:10:33,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:10:33,316 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:10:33,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:33 WrapperNode [2019-11-19 23:10:33,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:10:33,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:10:33,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:10:33,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:10:33,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:33" (1/1) ... [2019-11-19 23:10:33,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:33" (1/1) ... [2019-11-19 23:10:33,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:10:33,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:10:33,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:10:33,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:10:33,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:33" (1/1) ... [2019-11-19 23:10:33,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:33" (1/1) ... [2019-11-19 23:10:33,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:33" (1/1) ... [2019-11-19 23:10:33,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:33" (1/1) ... [2019-11-19 23:10:33,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:33" (1/1) ... [2019-11-19 23:10:33,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:33" (1/1) ... [2019-11-19 23:10:33,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:33" (1/1) ... [2019-11-19 23:10:33,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:10:33,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:10:33,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:10:33,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:10:33,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e9304ee-7350-4b8f-adae-2079e03b1801/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 [2019-11-19 23:10:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-19 23:10:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-19 23:10:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 23:10:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 23:10:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:10:33,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:10:33,893 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:10:33,893 INFO L285 CfgBuilder]: Removed 26 assume(true) statements. [2019-11-19 23:10:33,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:10:33 BoogieIcfgContainer [2019-11-19 23:10:33,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:10:33,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:10:33,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:10:33,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:10:33,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:10:32" (1/3) ... [2019-11-19 23:10:33,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b633f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:10:33, skipping insertion in model container [2019-11-19 23:10:33,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:33" (2/3) ... [2019-11-19 23:10:33,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b633f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:10:33, skipping insertion in model container [2019-11-19 23:10:33,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:10:33" (3/3) ... [2019-11-19 23:10:33,901 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2019-11-19 23:10:33,910 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:10:33,916 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 23:10:33,926 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 23:10:33,946 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:10:33,947 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:10:33,947 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:10:33,947 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:10:33,947 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:10:33,947 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:10:33,947 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:10:33,947 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:10:33,961 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-11-19 23:10:33,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 23:10:33,967 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:10:33,968 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:10:33,968 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:10:33,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:10:33,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1391500388, now seen corresponding path program 1 times [2019-11-19 23:10:33,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:10:33,982 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202752119] [2019-11-19 23:10:33,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:10:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:34,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:10:34,144 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202752119] [2019-11-19 23:10:34,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:10:34,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 23:10:34,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843612308] [2019-11-19 23:10:34,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 23:10:34,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:10:34,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:10:34,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:10:34,164 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 5 states. [2019-11-19 23:10:34,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:10:34,257 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2019-11-19 23:10:34,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 23:10:34,259 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-11-19 23:10:34,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:10:34,267 INFO L225 Difference]: With dead ends: 37 [2019-11-19 23:10:34,268 INFO L226 Difference]: Without dead ends: 25 [2019-11-19 23:10:34,270 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:10:34,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-19 23:10:34,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-19 23:10:34,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-19 23:10:34,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2019-11-19 23:10:34,304 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 10 [2019-11-19 23:10:34,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:10:34,305 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2019-11-19 23:10:34,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 23:10:34,305 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2019-11-19 23:10:34,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 23:10:34,306 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:10:34,306 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:10:34,306 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:10:34,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:10:34,306 INFO L82 PathProgramCache]: Analyzing trace with hash -545430346, now seen corresponding path program 1 times [2019-11-19 23:10:34,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:10:34,307 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110470962] [2019-11-19 23:10:34,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:10:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:34,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:10:34,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110470962] [2019-11-19 23:10:34,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:10:34,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 23:10:34,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302392194] [2019-11-19 23:10:34,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 23:10:34,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:10:34,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:10:34,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:10:34,394 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand 5 states. [2019-11-19 23:10:34,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:10:34,472 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2019-11-19 23:10:34,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:10:34,473 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-19 23:10:34,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:10:34,474 INFO L225 Difference]: With dead ends: 31 [2019-11-19 23:10:34,474 INFO L226 Difference]: Without dead ends: 25 [2019-11-19 23:10:34,475 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:10:34,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-19 23:10:34,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-19 23:10:34,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-19 23:10:34,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2019-11-19 23:10:34,481 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 13 [2019-11-19 23:10:34,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:10:34,481 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2019-11-19 23:10:34,481 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 23:10:34,481 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2019-11-19 23:10:34,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 23:10:34,482 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:10:34,482 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:10:34,482 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:10:34,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:10:34,483 INFO L82 PathProgramCache]: Analyzing trace with hash 116488903, now seen corresponding path program 1 times [2019-11-19 23:10:34,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:10:34,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724587111] [2019-11-19 23:10:34,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:10:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:34,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:10:34,621 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724587111] [2019-11-19 23:10:34,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:10:34,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:10:34,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588139513] [2019-11-19 23:10:34,622 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:10:34,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:10:34,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:10:34,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:10:34,622 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 3 states. [2019-11-19 23:10:34,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:10:34,644 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2019-11-19 23:10:34,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:10:34,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-11-19 23:10:34,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:10:34,646 INFO L225 Difference]: With dead ends: 34 [2019-11-19 23:10:34,646 INFO L226 Difference]: Without dead ends: 21 [2019-11-19 23:10:34,648 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:10:34,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-19 23:10:34,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-19 23:10:34,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-19 23:10:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-11-19 23:10:34,652 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 18 [2019-11-19 23:10:34,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:10:34,653 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-11-19 23:10:34,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:10:34,653 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-11-19 23:10:34,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 23:10:34,654 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:10:34,654 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:10:34,654 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:10:34,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:10:34,655 INFO L82 PathProgramCache]: Analyzing trace with hash -733347331, now seen corresponding path program 1 times [2019-11-19 23:10:34,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:10:34,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869105912] [2019-11-19 23:10:34,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:10:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:34,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:10:34,745 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869105912] [2019-11-19 23:10:34,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:10:34,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:10:34,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028567106] [2019-11-19 23:10:34,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:10:34,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:10:34,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:10:34,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:10:34,746 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 3 states. [2019-11-19 23:10:34,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:10:34,759 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2019-11-19 23:10:34,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:10:34,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-19 23:10:34,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:10:34,760 INFO L225 Difference]: With dead ends: 22 [2019-11-19 23:10:34,760 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 23:10:34,760 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:10:34,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 23:10:34,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 23:10:34,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 23:10:34,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 23:10:34,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-11-19 23:10:34,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:10:34,761 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:10:34,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:10:34,762 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:10:34,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:10:34,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 23:10:34,968 INFO L440 ceAbstractionStarter]: At program point L56(lines 55 57) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2019-11-19 23:10:34,968 INFO L444 ceAbstractionStarter]: For program point L48(lines 48 51) no Hoare annotation was computed. [2019-11-19 23:10:34,968 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 48 51) no Hoare annotation was computed. [2019-11-19 23:10:34,968 INFO L440 ceAbstractionStarter]: At program point L131(lines 71 132) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base))) (.cse1 (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0))) (.cse2 (not (= ~tmp_slot~0.base 0))) (.cse3 (not (= 0 |ULTIMATE.start_kzalloc_#res.base|)))) (or (and .cse0 (= ~used_tmp_slot~0 1) .cse1 .cse2 .cse3) (and .cse0 (= ~freed_tmp_slot~0 1) .cse1 .cse2 .cse3))) [2019-11-19 23:10:34,969 INFO L444 ceAbstractionStarter]: For program point L98(lines 98 106) no Hoare annotation was computed. [2019-11-19 23:10:34,969 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 23:10:34,969 INFO L440 ceAbstractionStarter]: At program point L127(lines 71 132) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base))) (.cse1 (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0))) (.cse2 (not (= ~tmp_slot~0.base 0))) (.cse3 (not (= 0 |ULTIMATE.start_kzalloc_#res.base|)))) (or (and .cse0 (= ~used_tmp_slot~0 1) .cse1 .cse2 .cse3) (and .cse0 (= ~freed_tmp_slot~0 1) .cse1 .cse2 .cse3))) [2019-11-19 23:10:34,969 INFO L444 ceAbstractionStarter]: For program point L-1-1(line -1) no Hoare annotation was computed. [2019-11-19 23:10:34,969 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 23:10:34,969 INFO L444 ceAbstractionStarter]: For program point L-1-2(line -1) no Hoare annotation was computed. [2019-11-19 23:10:34,970 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 23:10:34,970 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-19 23:10:34,970 INFO L444 ceAbstractionStarter]: For program point L86(lines 86 89) no Hoare annotation was computed. [2019-11-19 23:10:34,970 INFO L444 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-11-19 23:10:34,970 INFO L444 ceAbstractionStarter]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2019-11-19 23:10:34,970 INFO L444 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2019-11-19 23:10:34,970 INFO L444 ceAbstractionStarter]: For program point L136(lines 136 137) no Hoare annotation was computed. [2019-11-19 23:10:34,970 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 23:10:34,971 INFO L444 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2019-11-19 23:10:34,971 INFO L444 ceAbstractionStarter]: For program point L116(lines 116 117) no Hoare annotation was computed. [2019-11-19 23:10:34,971 INFO L440 ceAbstractionStarter]: At program point L46(line 46) the Hoare annotation is: (and (= ~freed_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2019-11-19 23:10:34,971 INFO L440 ceAbstractionStarter]: At program point L46-1(line 46) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (= ~freed_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2019-11-19 23:10:34,971 INFO L444 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2019-11-19 23:10:34,972 INFO L440 ceAbstractionStarter]: At program point L63(lines 61 64) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2019-11-19 23:10:34,972 INFO L440 ceAbstractionStarter]: At program point L121(lines 71 132) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base))) (.cse1 (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0))) (.cse2 (not (= ~tmp_slot~0.base 0))) (.cse3 (not (= 0 |ULTIMATE.start_kzalloc_#res.base|)))) (or (and .cse0 (= ~used_tmp_slot~0 1) .cse1 .cse2 .cse3) (and .cse0 (= ~freed_tmp_slot~0 1) .cse1 .cse2 .cse3))) [2019-11-19 23:10:34,972 INFO L444 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-11-19 23:10:34,972 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 138) no Hoare annotation was computed. [2019-11-19 23:10:34,972 INFO L440 ceAbstractionStarter]: At program point L68(lines 66 69) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2019-11-19 23:10:35,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:10:35 BoogieIcfgContainer [2019-11-19 23:10:35,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:10:35,010 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:10:35,010 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:10:35,010 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:10:35,011 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:10:33" (3/4) ... [2019-11-19 23:10:35,014 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:10:35,039 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-19 23:10:35,039 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-19 23:10:35,039 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 23:10:35,072 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (freed_tmp_slot == 1 && !(calloc(1, size) == 0)) && !(0 == \result) [2019-11-19 23:10:35,072 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) || ((((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) [2019-11-19 23:10:35,072 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) || ((((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) [2019-11-19 23:10:35,073 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(0 == \result) [2019-11-19 23:10:35,073 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == hp_slot_ptr) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result) [2019-11-19 23:10:35,074 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) || ((((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) [2019-11-19 23:10:35,074 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result) [2019-11-19 23:10:35,074 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result) [2019-11-19 23:10:35,101 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8e9304ee-7350-4b8f-adae-2079e03b1801/bin/uautomizer/witness.graphml [2019-11-19 23:10:35,101 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:10:35,103 INFO L168 Benchmark]: Toolchain (without parser) took 2203.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 948.8 MB in the beginning and 1.0 GB in the end (delta: -78.5 MB). Peak memory consumption was 74.6 MB. Max. memory is 11.5 GB. [2019-11-19 23:10:35,104 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:10:35,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -195.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:10:35,105 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.97 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. [2019-11-19 23:10:35,105 INFO L168 Benchmark]: Boogie Preprocessor took 28.24 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:10:35,106 INFO L168 Benchmark]: RCFGBuilder took 506.55 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: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:10:35,106 INFO L168 Benchmark]: TraceAbstraction took 1114.26 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: 74.1 MB). Peak memory consumption was 74.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:10:35,107 INFO L168 Benchmark]: Witness Printer took 91.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:10:35,109 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 416.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -195.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.97 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 28.24 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 506.55 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: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1114.26 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: 74.1 MB). Peak memory consumption was 74.1 MB. Max. memory is 11.5 GB. * Witness Printer took 91.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) || ((((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(0 == \result) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((!(0 == hp_slot_ptr) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) || ((((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (freed_tmp_slot == 1 && !(calloc(1, size) == 0)) && !(0 == \result) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) || ((((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 93 SDtfs, 176 SDslu, 29 SDs, 0 SdLazy, 33 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 13 NumberOfFragments, 208 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 1458 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...