./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 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ef4d0bf6c3c7f70a960b0b2ed556bbb6c40d8116 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 00:57:49,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 00:57:49,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 00:57:49,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 00:57:49,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 00:57:49,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 00:57:49,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 00:57:49,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 00:57:49,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 00:57:49,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 00:57:49,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 00:57:49,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 00:57:49,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 00:57:49,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 00:57:49,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 00:57:49,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 00:57:49,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 00:57:49,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 00:57:49,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 00:57:49,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 00:57:49,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 00:57:49,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 00:57:49,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 00:57:49,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 00:57:49,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 00:57:49,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 00:57:49,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 00:57:49,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 00:57:49,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 00:57:49,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 00:57:49,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 00:57:49,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 00:57:49,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 00:57:49,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 00:57:49,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 00:57:49,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 00:57:49,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 00:57:49,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 00:57:49,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 00:57:49,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 00:57:49,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 00:57:49,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 00:57:49,932 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 00:57:49,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 00:57:49,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 00:57:49,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 00:57:49,935 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 00:57:49,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 00:57:49,935 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 00:57:49,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 00:57:49,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 00:57:49,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 00:57:49,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 00:57:49,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 00:57:49,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 00:57:49,937 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 00:57:49,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 00:57:49,937 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 00:57:49,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 00:57:49,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 00:57:49,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 00:57:49,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 00:57:49,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 00:57:49,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 00:57:49,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 00:57:49,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 00:57:49,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 00:57:49,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 00:57:49,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 00:57:49,939 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 00:57:49,939 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef4d0bf6c3c7f70a960b0b2ed556bbb6c40d8116 [2021-07-05 00:57:50,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 00:57:50,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 00:57:50,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 00:57:50,215 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 00:57:50,215 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 00:57:50,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2021-07-05 00:57:50,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee889f36b/78325ed7b2f44a72a86aa762d51c6d34/FLAG2cfebf245 [2021-07-05 00:57:50,638 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 00:57:50,638 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2021-07-05 00:57:50,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee889f36b/78325ed7b2f44a72a86aa762d51c6d34/FLAG2cfebf245 [2021-07-05 00:57:50,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee889f36b/78325ed7b2f44a72a86aa762d51c6d34 [2021-07-05 00:57:50,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 00:57:50,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 00:57:50,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 00:57:50,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 00:57:50,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 00:57:50,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 12:57:50" (1/1) ... [2021-07-05 00:57:50,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e2793c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:57:50, skipping insertion in model container [2021-07-05 00:57:50,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 12:57:50" (1/1) ... [2021-07-05 00:57:50,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 00:57:50,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 00:57:50,796 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i[303,316] [2021-07-05 00:57:50,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 00:57:50,865 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 00:57:50,873 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i[303,316] [2021-07-05 00:57:50,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 00:57:50,908 INFO L208 MainTranslator]: Completed translation [2021-07-05 00:57:50,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:57:50 WrapperNode [2021-07-05 00:57:50,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 00:57:50,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 00:57:50,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 00:57:50,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 00:57:50,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:57:50" (1/1) ... [2021-07-05 00:57:50,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:57:50" (1/1) ... [2021-07-05 00:57:50,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 00:57:50,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 00:57:50,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 00:57:50,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 00:57:50,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:57:50" (1/1) ... [2021-07-05 00:57:50,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:57:50" (1/1) ... [2021-07-05 00:57:50,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:57:50" (1/1) ... [2021-07-05 00:57:50,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:57:50" (1/1) ... [2021-07-05 00:57:50,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:57:50" (1/1) ... [2021-07-05 00:57:50,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:57:50" (1/1) ... [2021-07-05 00:57:50,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:57:50" (1/1) ... [2021-07-05 00:57:50,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 00:57:50,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 00:57:50,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 00:57:50,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 00:57:50,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:57:50" (1/1) ... [2021-07-05 00:57:50,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 00:57:50,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 00:57:51,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 00:57:51,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 00:57:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-07-05 00:57:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 00:57:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-07-05 00:57:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 00:57:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-05 00:57:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-07-05 00:57:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 00:57:51,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 00:57:51,466 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 00:57:51,468 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-07-05 00:57:51,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 12:57:51 BoogieIcfgContainer [2021-07-05 00:57:51,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 00:57:51,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 00:57:51,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 00:57:51,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 00:57:51,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 12:57:50" (1/3) ... [2021-07-05 00:57:51,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c69e9b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 12:57:51, skipping insertion in model container [2021-07-05 00:57:51,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:57:50" (2/3) ... [2021-07-05 00:57:51,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c69e9b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 12:57:51, skipping insertion in model container [2021-07-05 00:57:51,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 12:57:51" (3/3) ... [2021-07-05 00:57:51,475 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2021-07-05 00:57:51,479 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 00:57:51,479 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-05 00:57:51,514 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 00:57:51,519 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 00:57:51,519 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 00:57:51,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:57:51,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-07-05 00:57:51,532 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 00:57:51,533 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 00:57:51,533 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 00:57:51,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 00:57:51,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1387683168, now seen corresponding path program 1 times [2021-07-05 00:57:51,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 00:57:51,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368980006] [2021-07-05 00:57:51,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 00:57:51,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 00:57:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 00:57:51,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:51,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:57:51,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:51,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 00:57:51,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:51,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 00:57:51,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:51,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 00:57:51,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:51,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:57:51,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 00:57:51,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 00:57:51,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368980006] [2021-07-05 00:57:51,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368980006] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 00:57:51,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 00:57:51,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 00:57:51,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442471551] [2021-07-05 00:57:51,709 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 00:57:51,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 00:57:51,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 00:57:51,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 00:57:51,720 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:57:51,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 00:57:51,796 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2021-07-05 00:57:51,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 00:57:51,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-07-05 00:57:51,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 00:57:51,802 INFO L225 Difference]: With dead ends: 39 [2021-07-05 00:57:51,802 INFO L226 Difference]: Without dead ends: 27 [2021-07-05 00:57:51,804 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 40.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-05 00:57:51,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-07-05 00:57:51,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-07-05 00:57:51,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:57:51,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2021-07-05 00:57:51,831 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 10 [2021-07-05 00:57:51,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 00:57:51,831 INFO L442 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-07-05 00:57:51,831 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:57:51,832 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2021-07-05 00:57:51,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-07-05 00:57:51,832 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 00:57:51,833 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 00:57:51,833 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 00:57:51,833 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 00:57:51,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 00:57:51,837 INFO L82 PathProgramCache]: Analyzing trace with hash -541613126, now seen corresponding path program 1 times [2021-07-05 00:57:51,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 00:57:51,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25851343] [2021-07-05 00:57:51,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 00:57:51,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 00:57:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 00:57:51,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:51,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:57:51,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:51,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 00:57:51,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:51,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 00:57:51,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:51,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 00:57:51,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:51,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:57:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 00:57:51,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 00:57:51,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25851343] [2021-07-05 00:57:51,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25851343] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 00:57:51,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 00:57:51,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 00:57:51,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046978111] [2021-07-05 00:57:51,905 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 00:57:51,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 00:57:51,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 00:57:51,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 00:57:51,910 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:57:51,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 00:57:51,952 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2021-07-05 00:57:51,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 00:57:51,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-07-05 00:57:51,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 00:57:51,953 INFO L225 Difference]: With dead ends: 33 [2021-07-05 00:57:51,953 INFO L226 Difference]: Without dead ends: 27 [2021-07-05 00:57:51,954 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 21.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-05 00:57:51,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-07-05 00:57:51,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-07-05 00:57:51,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:57:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2021-07-05 00:57:51,958 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 13 [2021-07-05 00:57:51,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 00:57:51,958 INFO L442 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-07-05 00:57:51,958 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:57:51,958 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-07-05 00:57:51,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-05 00:57:51,959 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 00:57:51,959 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 00:57:51,959 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-05 00:57:51,959 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 00:57:51,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 00:57:51,960 INFO L82 PathProgramCache]: Analyzing trace with hash 150876809, now seen corresponding path program 1 times [2021-07-05 00:57:51,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 00:57:51,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894947008] [2021-07-05 00:57:51,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 00:57:51,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 00:57:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 00:57:52,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:52,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:57:52,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:52,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:57:52,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:52,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:57:52,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 00:57:52,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 00:57:52,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894947008] [2021-07-05 00:57:52,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894947008] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 00:57:52,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 00:57:52,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 00:57:52,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109371139] [2021-07-05 00:57:52,021 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 00:57:52,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 00:57:52,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 00:57:52,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 00:57:52,022 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:57:52,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 00:57:52,031 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2021-07-05 00:57:52,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 00:57:52,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-07-05 00:57:52,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 00:57:52,032 INFO L225 Difference]: With dead ends: 36 [2021-07-05 00:57:52,032 INFO L226 Difference]: Without dead ends: 23 [2021-07-05 00:57:52,032 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 00:57:52,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-07-05 00:57:52,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-07-05 00:57:52,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:57:52,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2021-07-05 00:57:52,035 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 20 [2021-07-05 00:57:52,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 00:57:52,036 INFO L442 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2021-07-05 00:57:52,036 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:57:52,036 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2021-07-05 00:57:52,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-05 00:57:52,036 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 00:57:52,037 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 00:57:52,037 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-05 00:57:52,037 INFO L374 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 00:57:52,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 00:57:52,037 INFO L82 PathProgramCache]: Analyzing trace with hash -2046307905, now seen corresponding path program 1 times [2021-07-05 00:57:52,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 00:57:52,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392549293] [2021-07-05 00:57:52,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 00:57:52,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 00:57:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 00:57:52,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:52,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:57:52,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:52,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 00:57:52,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:52,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 00:57:52,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:52,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 00:57:52,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:52,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 00:57:52,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:57:52,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:57:52,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 00:57:52,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 00:57:52,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392549293] [2021-07-05 00:57:52,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392549293] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 00:57:52,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 00:57:52,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-05 00:57:52,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684007324] [2021-07-05 00:57:52,114 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-05 00:57:52,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 00:57:52,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-05 00:57:52,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-05 00:57:52,115 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:57:52,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 00:57:52,160 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2021-07-05 00:57:52,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 00:57:52,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-07-05 00:57:52,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 00:57:52,160 INFO L225 Difference]: With dead ends: 23 [2021-07-05 00:57:52,160 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 00:57:52,161 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.0ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-07-05 00:57:52,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 00:57:52,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 00:57:52,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:57:52,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 00:57:52,162 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-07-05 00:57:52,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 00:57:52,162 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 00:57:52,162 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:57:52,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 00:57:52,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 00:57:52,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 00:57:52,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 00:57:52,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 00:57:52,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 00:57:52,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 00:57:52,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 00:57:52,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 00:57:52,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 00:57:52,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 00:57:52,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 00:57:52,257 INFO L758 garLoopResultBuilder]: At program point L64(lines 62 65) the Hoare annotation is: (and (= ~used_tmp_slot~0 1) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0))) [2021-07-05 00:57:52,257 INFO L758 garLoopResultBuilder]: At program point L122(lines 72 133) the Hoare annotation is: (and (= ~used_tmp_slot~0 1) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0))) [2021-07-05 00:57:52,258 INFO L758 garLoopResultBuilder]: At program point L48(line 48) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0))) [2021-07-05 00:57:52,258 INFO L758 garLoopResultBuilder]: At program point L48-1(line 48) the Hoare annotation is: (and (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0))) [2021-07-05 00:57:52,258 INFO L758 garLoopResultBuilder]: At program point L48-2(line 48) the Hoare annotation is: (and (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0))) [2021-07-05 00:57:52,258 INFO L762 garLoopResultBuilder]: For program point L135(lines 135 139) no Hoare annotation was computed. [2021-07-05 00:57:52,258 INFO L758 garLoopResultBuilder]: At program point L69(lines 67 70) the Hoare annotation is: (and (= ~used_tmp_slot~0 1) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0))) [2021-07-05 00:57:52,258 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 00:57:52,258 INFO L762 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-07-05 00:57:52,259 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 00:57:52,259 INFO L762 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-07-05 00:57:52,260 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 00:57:52,261 INFO L762 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2021-07-05 00:57:52,262 INFO L758 garLoopResultBuilder]: At program point L57(lines 56 58) the Hoare annotation is: (and (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base| 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0))) [2021-07-05 00:57:52,262 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-07-05 00:57:52,262 INFO L762 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2021-07-05 00:57:52,262 INFO L758 garLoopResultBuilder]: At program point L132(lines 72 133) the Hoare annotation is: (and (= ~used_tmp_slot~0 1) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0))) [2021-07-05 00:57:52,262 INFO L762 garLoopResultBuilder]: For program point L99(lines 99 107) no Hoare annotation was computed. [2021-07-05 00:57:52,262 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 00:57:52,262 INFO L758 garLoopResultBuilder]: At program point L128(lines 72 133) the Hoare annotation is: (and (= ~used_tmp_slot~0 1) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0)) (not (= |ULTIMATE.start_kzalloc_#res.base| 0))) [2021-07-05 00:57:52,263 INFO L762 garLoopResultBuilder]: For program point L87(lines 87 90) no Hoare annotation was computed. [2021-07-05 00:57:52,267 INFO L762 garLoopResultBuilder]: For program point L50(lines 50 53) no Hoare annotation was computed. [2021-07-05 00:57:52,267 INFO L762 garLoopResultBuilder]: For program point L50-1(lines 50 53) no Hoare annotation was computed. [2021-07-05 00:57:52,268 INFO L762 garLoopResultBuilder]: For program point L79(lines 79 82) no Hoare annotation was computed. [2021-07-05 00:57:52,268 INFO L762 garLoopResultBuilder]: For program point L137(lines 137 138) no Hoare annotation was computed. [2021-07-05 00:57:52,268 INFO L762 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-07-05 00:57:52,268 INFO L762 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-07-05 00:57:52,268 INFO L762 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2021-07-05 00:57:52,268 INFO L762 garLoopResultBuilder]: For program point L51-2(lines 51 52) no Hoare annotation was computed. [2021-07-05 00:57:52,268 INFO L762 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2021-07-05 00:57:52,269 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-05 00:57:52,269 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 00:57:52,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 12:57:52 BoogieIcfgContainer [2021-07-05 00:57:52,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 00:57:52,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 00:57:52,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 00:57:52,297 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 00:57:52,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 12:57:51" (3/4) ... [2021-07-05 00:57:52,300 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 00:57:52,307 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-07-05 00:57:52,307 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-07-05 00:57:52,307 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 00:57:52,307 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 00:57:52,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(calloc(1, size) == 0) && !(\result == 0) [2021-07-05 00:57:52,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((used_tmp_slot == 1 && !(hp_slot_ptr == 0)) && !(tmp_slot == 0)) && !(calloc(1, size) == 0)) && !(\result == 0) [2021-07-05 00:57:52,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((used_tmp_slot == 1 && !(hp_slot_ptr == 0)) && !(tmp_slot == 0)) && !(calloc(1, size) == 0)) && !(\result == 0) [2021-07-05 00:57:52,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(hp_slot_ptr == 0) && !(calloc(1, size) == 0)) && !(\result == 0) [2021-07-05 00:57:52,322 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(calloc(1, size) == 0)) && !(\result == 0) [2021-07-05 00:57:52,322 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(hp_slot_ptr == 0)) && !(tmp_slot == 0)) && !(calloc(1, size) == 0)) && !(\result == 0) [2021-07-05 00:57:52,322 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((used_tmp_slot == 1 && !(hp_slot_ptr == 0)) && !(tmp_slot == 0)) && !(calloc(1, size) == 0)) && !(\result == 0) [2021-07-05 00:57:52,322 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((used_tmp_slot == 1 && !(hp_slot_ptr == 0)) && !(tmp_slot == 0)) && !(calloc(1, size) == 0)) && !(\result == 0) [2021-07-05 00:57:52,322 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((used_tmp_slot == 1 && !(hp_slot_ptr == 0)) && !(tmp_slot == 0)) && !(calloc(1, size) == 0)) && !(\result == 0) [2021-07-05 00:57:52,332 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 00:57:52,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 00:57:52,333 INFO L168 Benchmark]: Toolchain (without parser) took 1664.33 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 49.8 MB in the beginning and 61.8 MB in the end (delta: -12.0 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2021-07-05 00:57:52,333 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 50.3 MB. Free memory was 30.7 MB in the beginning and 30.6 MB in the end (delta: 30.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 00:57:52,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.12 ms. Allocated memory is still 75.5 MB. Free memory was 49.6 MB in the beginning and 56.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-05 00:57:52,333 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.50 ms. Allocated memory is still 75.5 MB. Free memory was 56.7 MB in the beginning and 54.8 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 00:57:52,334 INFO L168 Benchmark]: Boogie Preprocessor took 29.86 ms. Allocated memory is still 75.5 MB. Free memory was 54.8 MB in the beginning and 53.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 00:57:52,334 INFO L168 Benchmark]: RCFGBuilder took 486.07 ms. Allocated memory is still 75.5 MB. Free memory was 53.4 MB in the beginning and 52.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2021-07-05 00:57:52,334 INFO L168 Benchmark]: TraceAbstraction took 826.35 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 51.7 MB in the beginning and 66.0 MB in the end (delta: -14.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2021-07-05 00:57:52,334 INFO L168 Benchmark]: Witness Printer took 34.83 ms. Allocated memory is still 96.5 MB. Free memory was 66.0 MB in the beginning and 61.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 00:57:52,335 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 50.3 MB. Free memory was 30.7 MB in the beginning and 30.6 MB in the end (delta: 30.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 238.12 ms. Allocated memory is still 75.5 MB. Free memory was 49.6 MB in the beginning and 56.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.50 ms. Allocated memory is still 75.5 MB. Free memory was 56.7 MB in the beginning and 54.8 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.86 ms. Allocated memory is still 75.5 MB. Free memory was 54.8 MB in the beginning and 53.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 486.07 ms. Allocated memory is still 75.5 MB. Free memory was 53.4 MB in the beginning and 52.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 826.35 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 51.7 MB in the beginning and 66.0 MB in the end (delta: -14.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. * Witness Printer took 34.83 ms. Allocated memory is still 96.5 MB. Free memory was 66.0 MB in the beginning and 61.8 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: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 758.4ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 7.4ms, AutomataDifference: 198.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 77.2ms, InitialAbstractionConstructionTime: 7.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 79 SDtfs, 185 SDslu, 36 SDs, 0 SdLazy, 61 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 96.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 26.6ms AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 12 NumberOfFragments, 160 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 12.9ms HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 57.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 13.7ms SsaConstructionTime, 89.8ms SatisfiabilityAnalysisTime, 201.3ms InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 103 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: (!(hp_slot_ptr == 0) && !(calloc(1, size) == 0)) && !(\result == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((used_tmp_slot == 1 && !(hp_slot_ptr == 0)) && !(tmp_slot == 0)) && !(calloc(1, size) == 0)) && !(\result == 0) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((used_tmp_slot == 1 && !(hp_slot_ptr == 0)) && !(tmp_slot == 0)) && !(calloc(1, size) == 0)) && !(\result == 0) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: !(calloc(1, size) == 0) && !(\result == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((used_tmp_slot == 1 && !(hp_slot_ptr == 0)) && !(tmp_slot == 0)) && !(calloc(1, size) == 0)) && !(\result == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((used_tmp_slot == 1 && !(hp_slot_ptr == 0)) && !(tmp_slot == 0)) && !(calloc(1, size) == 0)) && !(\result == 0) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: ((!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && !(calloc(1, size) == 0)) && !(\result == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(hp_slot_ptr == 0)) && !(tmp_slot == 0)) && !(calloc(1, size) == 0)) && !(\result == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((used_tmp_slot == 1 && !(hp_slot_ptr == 0)) && !(tmp_slot == 0)) && !(calloc(1, size) == 0)) && !(\result == 0) RESULT: Ultimate proved your program to be correct! [2021-07-05 00:57:52,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...