./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7d6aec1b-ff58-43c9-8130-44e473a81879/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7d6aec1b-ff58-43c9-8130-44e473a81879/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7d6aec1b-ff58-43c9-8130-44e473a81879/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7d6aec1b-ff58-43c9-8130-44e473a81879/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7d6aec1b-ff58-43c9-8130-44e473a81879/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7d6aec1b-ff58-43c9-8130-44e473a81879/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 552d7607222e922b5dcd8b6310c7824da9489d41 ........................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:22:59,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:22:59,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:22:59,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:22:59,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:22:59,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:22:59,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:22:59,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:22:59,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:22:59,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:22:59,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:22:59,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:22:59,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:22:59,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:22:59,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:22:59,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:22:59,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:22:59,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:22:59,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:22:59,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:22:59,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:22:59,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:22:59,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:22:59,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:22:59,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:22:59,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:22:59,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:22:59,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:22:59,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:22:59,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:22:59,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:22:59,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:22:59,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:22:59,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:22:59,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:22:59,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:22:59,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:22:59,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:22:59,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:22:59,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:22:59,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:22:59,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7d6aec1b-ff58-43c9-8130-44e473a81879/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:22:59,867 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:22:59,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:22:59,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:22:59,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:22:59,869 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:22:59,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:22:59,869 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:22:59,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:22:59,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:22:59,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:22:59,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:22:59,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:22:59,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:22:59,870 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:22:59,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:22:59,871 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:22:59,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:22:59,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:22:59,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:22:59,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:22:59,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:22:59,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:22:59,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:22:59,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:22:59,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:22:59,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:22:59,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:22:59,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:22:59,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:22:59,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_7d6aec1b-ff58-43c9-8130-44e473a81879/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7d6aec1b-ff58-43c9-8130-44e473a81879/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 552d7607222e922b5dcd8b6310c7824da9489d41 [2020-11-29 18:23:00,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:23:00,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:23:00,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:23:00,243 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:23:00,245 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:23:00,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7d6aec1b-ff58-43c9-8130-44e473a81879/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i [2020-11-29 18:23:00,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d6aec1b-ff58-43c9-8130-44e473a81879/bin/uautomizer/data/9a08c9984/e0d562966be14a2da0d03855f596d2bd/FLAG799b9b077 [2020-11-29 18:23:00,901 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:23:00,901 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7d6aec1b-ff58-43c9-8130-44e473a81879/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i [2020-11-29 18:23:00,919 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d6aec1b-ff58-43c9-8130-44e473a81879/bin/uautomizer/data/9a08c9984/e0d562966be14a2da0d03855f596d2bd/FLAG799b9b077 [2020-11-29 18:23:01,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7d6aec1b-ff58-43c9-8130-44e473a81879/bin/uautomizer/data/9a08c9984/e0d562966be14a2da0d03855f596d2bd [2020-11-29 18:23:01,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:23:01,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:23:01,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:23:01,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:23:01,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:23:01,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:23:01" (1/1) ... [2020-11-29 18:23:01,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa922da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:23:01, skipping insertion in model container [2020-11-29 18:23:01,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:23:01" (1/1) ... [2020-11-29 18:23:01,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:23:01,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:23:01,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:23:01,529 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:23:01,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:23:01,568 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:23:01,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:23:01 WrapperNode [2020-11-29 18:23:01,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:23:01,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:23:01,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:23:01,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:23:01,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:23:01" (1/1) ... [2020-11-29 18:23:01,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:23:01" (1/1) ... [2020-11-29 18:23:01,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:23:01,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:23:01,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:23:01,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:23:01,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:23:01" (1/1) ... [2020-11-29 18:23:01,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:23:01" (1/1) ... [2020-11-29 18:23:01,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:23:01" (1/1) ... [2020-11-29 18:23:01,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:23:01" (1/1) ... [2020-11-29 18:23:01,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:23:01" (1/1) ... [2020-11-29 18:23:01,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:23:01" (1/1) ... [2020-11-29 18:23:01,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:23:01" (1/1) ... [2020-11-29 18:23:01,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:23:01,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:23:01,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:23:01,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:23:01,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:23:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d6aec1b-ff58-43c9-8130-44e473a81879/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 [2020-11-29 18:23:01,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 18:23:01,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:23:01,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 18:23:01,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:23:01,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 18:23:01,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 18:23:01,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:23:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:23:02,337 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:23:02,337 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-11-29 18:23:02,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:23:02 BoogieIcfgContainer [2020-11-29 18:23:02,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:23:02,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:23:02,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:23:02,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:23:02,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:23:01" (1/3) ... [2020-11-29 18:23:02,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9e9af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:23:02, skipping insertion in model container [2020-11-29 18:23:02,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:23:01" (2/3) ... [2020-11-29 18:23:02,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9e9af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:23:02, skipping insertion in model container [2020-11-29 18:23:02,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:23:02" (3/3) ... [2020-11-29 18:23:02,367 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2020-11-29 18:23:02,380 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:23:02,385 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:23:02,399 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:23:02,437 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:23:02,438 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:23:02,438 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:23:02,438 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:23:02,438 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:23:02,439 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:23:02,439 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:23:02,439 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:23:02,454 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-11-29 18:23:02,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 18:23:02,460 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:23:02,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:23:02,461 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:23:02,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:23:02,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1394363303, now seen corresponding path program 1 times [2020-11-29 18:23:02,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:23:02,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085542976] [2020-11-29 18:23:02,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:23:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:23:02,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085542976] [2020-11-29 18:23:02,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:23:02,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 18:23:02,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067058587] [2020-11-29 18:23:02,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:23:02,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:23:02,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:23:02,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:23:02,751 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 5 states. [2020-11-29 18:23:02,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:23:02,881 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2020-11-29 18:23:02,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 18:23:02,883 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-11-29 18:23:02,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:23:02,898 INFO L225 Difference]: With dead ends: 38 [2020-11-29 18:23:02,906 INFO L226 Difference]: Without dead ends: 25 [2020-11-29 18:23:02,909 INFO L677 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 [2020-11-29 18:23:02,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-29 18:23:02,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-11-29 18:23:02,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-29 18:23:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-11-29 18:23:02,950 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 10 [2020-11-29 18:23:02,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:23:02,951 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-11-29 18:23:02,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:23:02,951 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-11-29 18:23:02,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 18:23:02,953 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:23:02,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:23:02,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:23:02,954 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:23:02,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:23:02,957 INFO L82 PathProgramCache]: Analyzing trace with hash -548293261, now seen corresponding path program 1 times [2020-11-29 18:23:02,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:23:02,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285758646] [2020-11-29 18:23:02,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:23:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:03,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:23:03,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285758646] [2020-11-29 18:23:03,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:23:03,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 18:23:03,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865233364] [2020-11-29 18:23:03,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:23:03,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:23:03,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:23:03,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:23:03,088 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 5 states. [2020-11-29 18:23:03,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:23:03,186 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2020-11-29 18:23:03,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 18:23:03,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-29 18:23:03,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:23:03,188 INFO L225 Difference]: With dead ends: 31 [2020-11-29 18:23:03,188 INFO L226 Difference]: Without dead ends: 25 [2020-11-29 18:23:03,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 18:23:03,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-29 18:23:03,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-11-29 18:23:03,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-29 18:23:03,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2020-11-29 18:23:03,196 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 13 [2020-11-29 18:23:03,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:23:03,197 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2020-11-29 18:23:03,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:23:03,197 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2020-11-29 18:23:03,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 18:23:03,198 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:23:03,199 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:23:03,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:23:03,199 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:23:03,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:23:03,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1100697989, now seen corresponding path program 1 times [2020-11-29 18:23:03,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:23:03,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102216261] [2020-11-29 18:23:03,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:23:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:23:03,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102216261] [2020-11-29 18:23:03,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:23:03,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 18:23:03,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092297608] [2020-11-29 18:23:03,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 18:23:03,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:23:03,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 18:23:03,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:23:03,330 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 6 states. [2020-11-29 18:23:03,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:23:03,570 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2020-11-29 18:23:03,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 18:23:03,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-11-29 18:23:03,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:23:03,576 INFO L225 Difference]: With dead ends: 34 [2020-11-29 18:23:03,576 INFO L226 Difference]: Without dead ends: 25 [2020-11-29 18:23:03,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-29 18:23:03,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-29 18:23:03,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-11-29 18:23:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-29 18:23:03,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2020-11-29 18:23:03,582 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 20 [2020-11-29 18:23:03,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:23:03,582 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2020-11-29 18:23:03,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 18:23:03,582 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2020-11-29 18:23:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 18:23:03,583 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:23:03,583 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:23:03,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 18:23:03,584 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:23:03,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:23:03,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1521256958, now seen corresponding path program 1 times [2020-11-29 18:23:03,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:23:03,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751304257] [2020-11-29 18:23:03,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:23:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:03,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:23:03,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751304257] [2020-11-29 18:23:03,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:23:03,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:23:03,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160097915] [2020-11-29 18:23:03,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:23:03,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:23:03,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:23:03,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:23:03,664 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 3 states. [2020-11-29 18:23:03,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:23:03,684 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2020-11-29 18:23:03,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:23:03,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-29 18:23:03,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:23:03,685 INFO L225 Difference]: With dead ends: 25 [2020-11-29 18:23:03,685 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:23:03,686 INFO L677 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 [2020-11-29 18:23:03,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:23:03,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:23:03,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:23:03,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:23:03,687 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-11-29 18:23:03,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:23:03,687 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:23:03,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:23:03,687 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:23:03,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:23:03,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 18:23:03,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:23:03,845 INFO L270 CegarLoopResult]: At program point L64(lines 62 65) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base| 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-11-29 18:23:03,845 INFO L270 CegarLoopResult]: At program point L122(lines 72 133) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base| 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-11-29 18:23:03,845 INFO L270 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-11-29 18:23:03,846 INFO L270 CegarLoopResult]: At program point L48-1(line 48) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-11-29 18:23:03,846 INFO L270 CegarLoopResult]: At program point L48-2(line 48) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-11-29 18:23:03,846 INFO L274 CegarLoopResult]: For program point L135(lines 135 139) no Hoare annotation was computed. [2020-11-29 18:23:03,846 INFO L270 CegarLoopResult]: At program point L69(lines 67 70) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base| 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-11-29 18:23:03,846 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 18:23:03,846 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:23:03,846 INFO L274 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-11-29 18:23:03,846 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:23:03,847 INFO L274 CegarLoopResult]: For program point L-1-2(line -1) no Hoare annotation was computed. [2020-11-29 18:23:03,847 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:23:03,847 INFO L274 CegarLoopResult]: For program point L-1-3(line -1) no Hoare annotation was computed. [2020-11-29 18:23:03,847 INFO L270 CegarLoopResult]: At program point L57(lines 56 58) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base| 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-11-29 18:23:03,847 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 18:23:03,847 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-11-29 18:23:03,848 INFO L270 CegarLoopResult]: At program point L132(lines 72 133) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base| 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-11-29 18:23:03,848 INFO L274 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-11-29 18:23:03,848 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:23:03,848 INFO L270 CegarLoopResult]: At program point L128(lines 72 133) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base| 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-11-29 18:23:03,848 INFO L274 CegarLoopResult]: For program point L87(lines 87 90) no Hoare annotation was computed. [2020-11-29 18:23:03,848 INFO L274 CegarLoopResult]: For program point L50(lines 50 53) no Hoare annotation was computed. [2020-11-29 18:23:03,848 INFO L274 CegarLoopResult]: For program point L79(lines 79 82) no Hoare annotation was computed. [2020-11-29 18:23:03,848 INFO L274 CegarLoopResult]: For program point L137(lines 137 138) no Hoare annotation was computed. [2020-11-29 18:23:03,849 INFO L274 CegarLoopResult]: For program point L121(lines 121 122) no Hoare annotation was computed. [2020-11-29 18:23:03,849 INFO L274 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2020-11-29 18:23:03,849 INFO L274 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-11-29 18:23:03,849 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-11-29 18:23:03,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:23:03 BoogieIcfgContainer [2020-11-29 18:23:03,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:23:03,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:23:03,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:23:03,873 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:23:03,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:23:02" (3/4) ... [2020-11-29 18:23:03,876 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:23:03,888 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-11-29 18:23:03,888 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-29 18:23:03,888 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:23:03,889 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:23:03,913 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\result == 0) && !(calloc(1, size) == 0) [2020-11-29 18:23:03,913 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2020-11-29 18:23:03,913 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2020-11-29 18:23:03,913 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\result == 0) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) [2020-11-29 18:23:03,914 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) [2020-11-29 18:23:03,914 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) [2020-11-29 18:23:03,914 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2020-11-29 18:23:03,914 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2020-11-29 18:23:03,915 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2020-11-29 18:23:03,944 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7d6aec1b-ff58-43c9-8130-44e473a81879/bin/uautomizer/witness.graphml [2020-11-29 18:23:03,944 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:23:03,946 INFO L168 Benchmark]: Toolchain (without parser) took 2682.00 ms. Allocated memory was 98.6 MB in the beginning and 140.5 MB in the end (delta: 41.9 MB). Free memory was 69.7 MB in the beginning and 75.8 MB in the end (delta: -6.1 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:23:03,946 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 98.6 MB. Free memory is still 57.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:23:03,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.54 ms. Allocated memory is still 98.6 MB. Free memory was 69.7 MB in the beginning and 73.3 MB in the end (delta: -3.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:23:03,947 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.58 ms. Allocated memory is still 98.6 MB. Free memory was 73.3 MB in the beginning and 71.5 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:23:03,948 INFO L168 Benchmark]: Boogie Preprocessor took 27.78 ms. Allocated memory is still 98.6 MB. Free memory was 71.5 MB in the beginning and 69.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:23:03,949 INFO L168 Benchmark]: RCFGBuilder took 695.31 ms. Allocated memory is still 98.6 MB. Free memory was 69.9 MB in the beginning and 49.2 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-29 18:23:03,949 INFO L168 Benchmark]: TraceAbstraction took 1530.63 ms. Allocated memory was 98.6 MB in the beginning and 140.5 MB in the end (delta: 41.9 MB). Free memory was 48.9 MB in the beginning and 80.0 MB in the end (delta: -31.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:23:03,950 INFO L168 Benchmark]: Witness Printer took 71.73 ms. Allocated memory is still 140.5 MB. Free memory was 80.0 MB in the beginning and 75.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:23:03,953 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 98.6 MB. Free memory is still 57.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 302.54 ms. Allocated memory is still 98.6 MB. Free memory was 69.7 MB in the beginning and 73.3 MB in the end (delta: -3.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.58 ms. Allocated memory is still 98.6 MB. Free memory was 73.3 MB in the beginning and 71.5 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.78 ms. Allocated memory is still 98.6 MB. Free memory was 71.5 MB in the beginning and 69.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 695.31 ms. Allocated memory is still 98.6 MB. Free memory was 69.9 MB in the beginning and 49.2 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1530.63 ms. Allocated memory was 98.6 MB in the beginning and 140.5 MB in the end (delta: 41.9 MB). Free memory was 48.9 MB in the beginning and 80.0 MB in the end (delta: -31.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Witness Printer took 71.73 ms. Allocated memory is still 140.5 MB. Free memory was 80.0 MB in the beginning and 75.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 48]: Loop Invariant Derived loop invariant: (!(\result == 0) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: !(\result == 0) && !(calloc(1, size) == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: ((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 84 SDtfs, 212 SDslu, 39 SDs, 0 SdLazy, 59 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 9 LocationsWithAnnotation, 9 PreInvPairs, 12 NumberOfFragments, 180 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 1592 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...