./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.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_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/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 452bca413427171f12d7ad8836a46968f2acfe1a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:07:37,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:07:37,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:07:37,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:07:37,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:07:37,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:07:37,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:07:37,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:07:37,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:07:37,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:07:37,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:07:37,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:07:37,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:07:37,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:07:37,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:07:37,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:07:37,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:07:37,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:07:37,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:07:37,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:07:37,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:07:37,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:07:37,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:07:37,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:07:37,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:07:37,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:07:37,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:07:37,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:07:37,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:07:37,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:07:37,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:07:37,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:07:37,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:07:37,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:07:37,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:07:37,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:07:37,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:07:37,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:07:37,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:07:37,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:07:37,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:07:37,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:07:37,237 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:07:37,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:07:37,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:07:37,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:07:37,240 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:07:37,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:07:37,241 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:07:37,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:07:37,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:07:37,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:07:37,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:07:37,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:07:37,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:07:37,244 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:07:37,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:07:37,244 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:07:37,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:07:37,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:07:37,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:07:37,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:07:37,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:07:37,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:07:37,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:07:37,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:07:37,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:07:37,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:07:37,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:07:37,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:07:37,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:07:37,250 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_b5bd8632-49e0-4adb-9845-88b3442fea34/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 452bca413427171f12d7ad8836a46968f2acfe1a [2020-11-29 19:07:37,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:07:37,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:07:37,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:07:37,505 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:07:37,515 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:07:37,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i [2020-11-29 19:07:37,604 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/data/44366a63f/e95a43db26d345ada478730921da1b0d/FLAG412c313d2 [2020-11-29 19:07:38,049 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:07:38,050 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i [2020-11-29 19:07:38,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/data/44366a63f/e95a43db26d345ada478730921da1b0d/FLAG412c313d2 [2020-11-29 19:07:38,432 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/data/44366a63f/e95a43db26d345ada478730921da1b0d [2020-11-29 19:07:38,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:07:38,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:07:38,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:07:38,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:07:38,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:07:38,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:07:38" (1/1) ... [2020-11-29 19:07:38,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4c88e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:07:38, skipping insertion in model container [2020-11-29 19:07:38,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:07:38" (1/1) ... [2020-11-29 19:07:38,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:07:38,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:07:38,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:07:38,659 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:07:38,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:07:38,723 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:07:38,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:07:38 WrapperNode [2020-11-29 19:07:38,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:07:38,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:07:38,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:07:38,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:07:38,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:07:38" (1/1) ... [2020-11-29 19:07:38,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:07:38" (1/1) ... [2020-11-29 19:07:38,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:07:38,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:07:38,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:07:38,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:07:38,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:07:38" (1/1) ... [2020-11-29 19:07:38,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:07:38" (1/1) ... [2020-11-29 19:07:38,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:07:38" (1/1) ... [2020-11-29 19:07:38,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:07:38" (1/1) ... [2020-11-29 19:07:38,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:07:38" (1/1) ... [2020-11-29 19:07:38,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:07:38" (1/1) ... [2020-11-29 19:07:38,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:07:38" (1/1) ... [2020-11-29 19:07:38,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:07:38,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:07:38,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:07:38,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:07:38,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:07:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/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 19:07:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 19:07:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:07:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 19:07:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:07:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 19:07:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:07:38,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:07:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:07:39,219 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:07:39,220 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-11-29 19:07:39,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:07:39 BoogieIcfgContainer [2020-11-29 19:07:39,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:07:39,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:07:39,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:07:39,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:07:39,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:07:38" (1/3) ... [2020-11-29 19:07:39,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7caa3a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:07:39, skipping insertion in model container [2020-11-29 19:07:39,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:07:38" (2/3) ... [2020-11-29 19:07:39,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7caa3a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:07:39, skipping insertion in model container [2020-11-29 19:07:39,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:07:39" (3/3) ... [2020-11-29 19:07:39,233 INFO L111 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_flag_init.i [2020-11-29 19:07:39,249 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:07:39,253 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:07:39,265 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:07:39,295 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:07:39,296 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:07:39,296 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:07:39,296 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:07:39,296 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:07:39,296 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:07:39,296 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:07:39,297 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:07:39,309 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-11-29 19:07:39,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 19:07:39,316 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:39,317 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:39,317 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:39,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:39,323 INFO L82 PathProgramCache]: Analyzing trace with hash -362844109, now seen corresponding path program 1 times [2020-11-29 19:07:39,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:39,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759251329] [2020-11-29 19:07:39,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:39,489 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 19:07:39,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759251329] [2020-11-29 19:07:39,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:07:39,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:07:39,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691923717] [2020-11-29 19:07:39,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:07:39,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:39,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:07:39,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:07:39,515 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2020-11-29 19:07:39,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:39,538 INFO L93 Difference]: Finished difference Result 41 states and 57 transitions. [2020-11-29 19:07:39,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:07:39,539 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-29 19:07:39,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:39,550 INFO L225 Difference]: With dead ends: 41 [2020-11-29 19:07:39,551 INFO L226 Difference]: Without dead ends: 18 [2020-11-29 19:07:39,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:07:39,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-11-29 19:07:39,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-11-29 19:07:39,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-11-29 19:07:39,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-11-29 19:07:39,598 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 12 [2020-11-29 19:07:39,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:39,598 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-11-29 19:07:39,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:07:39,598 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-11-29 19:07:39,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 19:07:39,599 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:39,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:39,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:07:39,601 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:39,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:39,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1941078686, now seen corresponding path program 1 times [2020-11-29 19:07:39,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:39,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123459567] [2020-11-29 19:07:39,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:39,697 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 19:07:39,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123459567] [2020-11-29 19:07:39,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:07:39,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:07:39,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810067740] [2020-11-29 19:07:39,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:07:39,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:39,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:07:39,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:07:39,701 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand 3 states. [2020-11-29 19:07:39,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:39,736 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2020-11-29 19:07:39,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:07:39,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-11-29 19:07:39,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:39,739 INFO L225 Difference]: With dead ends: 34 [2020-11-29 19:07:39,739 INFO L226 Difference]: Without dead ends: 20 [2020-11-29 19:07:39,740 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 19:07:39,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-11-29 19:07:39,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2020-11-29 19:07:39,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-29 19:07:39,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2020-11-29 19:07:39,747 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 12 [2020-11-29 19:07:39,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:39,748 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2020-11-29 19:07:39,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:07:39,748 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2020-11-29 19:07:39,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 19:07:39,749 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:39,750 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:39,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:07:39,752 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:39,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:39,753 INFO L82 PathProgramCache]: Analyzing trace with hash -638557024, now seen corresponding path program 1 times [2020-11-29 19:07:39,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:39,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260190610] [2020-11-29 19:07:39,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:39,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:07:39,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260190610] [2020-11-29 19:07:39,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:07:39,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:07:39,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71321155] [2020-11-29 19:07:39,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:07:39,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:39,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:07:39,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:07:39,841 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand 3 states. [2020-11-29 19:07:39,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:39,883 INFO L93 Difference]: Finished difference Result 41 states and 49 transitions. [2020-11-29 19:07:39,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:07:39,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-11-29 19:07:39,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:39,885 INFO L225 Difference]: With dead ends: 41 [2020-11-29 19:07:39,885 INFO L226 Difference]: Without dead ends: 31 [2020-11-29 19:07:39,886 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 19:07:39,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-29 19:07:39,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 20. [2020-11-29 19:07:39,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-29 19:07:39,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2020-11-29 19:07:39,891 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 14 [2020-11-29 19:07:39,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:39,909 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2020-11-29 19:07:39,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:07:39,909 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2020-11-29 19:07:39,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:07:39,924 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:39,924 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:39,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:07:39,925 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:39,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:39,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1305706270, now seen corresponding path program 1 times [2020-11-29 19:07:39,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:39,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433044123] [2020-11-29 19:07:39,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:07:40,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433044123] [2020-11-29 19:07:40,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481333688] [2020-11-29 19:07:40,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:40,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:07:40,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:07:40,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:07:40,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:07:40,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 19:07:40,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177144655] [2020-11-29 19:07:40,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:07:40,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:40,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:07:40,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:07:40,192 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand 3 states. [2020-11-29 19:07:40,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:40,246 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-11-29 19:07:40,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:07:40,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-29 19:07:40,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:40,248 INFO L225 Difference]: With dead ends: 36 [2020-11-29 19:07:40,248 INFO L226 Difference]: Without dead ends: 20 [2020-11-29 19:07:40,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:07:40,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-11-29 19:07:40,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-11-29 19:07:40,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-29 19:07:40,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2020-11-29 19:07:40,251 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 17 [2020-11-29 19:07:40,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:40,251 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-11-29 19:07:40,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:07:40,251 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2020-11-29 19:07:40,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:07:40,251 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:40,251 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:40,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:40,452 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:40,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:40,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1698733280, now seen corresponding path program 1 times [2020-11-29 19:07:40,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:40,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226036520] [2020-11-29 19:07:40,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:40,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:07:40,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226036520] [2020-11-29 19:07:40,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218058469] [2020-11-29 19:07:40,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:40,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 19:07:40,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:07:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:07:40,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:07:40,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-11-29 19:07:40,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041073370] [2020-11-29 19:07:40,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 19:07:40,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:40,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 19:07:40,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:07:40,619 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand 6 states. [2020-11-29 19:07:40,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:40,747 INFO L93 Difference]: Finished difference Result 61 states and 70 transitions. [2020-11-29 19:07:40,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:07:40,749 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-11-29 19:07:40,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:40,749 INFO L225 Difference]: With dead ends: 61 [2020-11-29 19:07:40,750 INFO L226 Difference]: Without dead ends: 46 [2020-11-29 19:07:40,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:07:40,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-29 19:07:40,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 25. [2020-11-29 19:07:40,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-29 19:07:40,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2020-11-29 19:07:40,755 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 17 [2020-11-29 19:07:40,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:40,755 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2020-11-29 19:07:40,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 19:07:40,755 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2020-11-29 19:07:40,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 19:07:40,756 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:40,756 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:40,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:40,957 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:40,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:40,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1587975330, now seen corresponding path program 2 times [2020-11-29 19:07:40,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:40,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335191667] [2020-11-29 19:07:40,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:41,062 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 19:07:41,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335191667] [2020-11-29 19:07:41,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787172682] [2020-11-29 19:07:41,063 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:41,143 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-29 19:07:41,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 19:07:41,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 19:07:41,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:07:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 19:07:41,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:07:41,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-11-29 19:07:41,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048657388] [2020-11-29 19:07:41,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 19:07:41,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:41,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 19:07:41,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:07:41,206 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 8 states. [2020-11-29 19:07:41,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:41,242 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2020-11-29 19:07:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:07:41,243 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-11-29 19:07:41,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:41,243 INFO L225 Difference]: With dead ends: 46 [2020-11-29 19:07:41,243 INFO L226 Difference]: Without dead ends: 28 [2020-11-29 19:07:41,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:07:41,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-11-29 19:07:41,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2020-11-29 19:07:41,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-29 19:07:41,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2020-11-29 19:07:41,247 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 22 [2020-11-29 19:07:41,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:41,247 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2020-11-29 19:07:41,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 19:07:41,247 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2020-11-29 19:07:41,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:07:41,247 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:41,248 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:41,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:41,448 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:41,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:41,449 INFO L82 PathProgramCache]: Analyzing trace with hash -331654108, now seen corresponding path program 3 times [2020-11-29 19:07:41,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:41,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33732399] [2020-11-29 19:07:41,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:41,553 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 19:07:41,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33732399] [2020-11-29 19:07:41,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799649717] [2020-11-29 19:07:41,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:41,613 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-11-29 19:07:41,613 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 19:07:41,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 19:07:41,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:07:41,666 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 19:07:41,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:07:41,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-11-29 19:07:41,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334572360] [2020-11-29 19:07:41,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-29 19:07:41,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:41,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-29 19:07:41,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-11-29 19:07:41,668 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 9 states. [2020-11-29 19:07:41,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:41,789 INFO L93 Difference]: Finished difference Result 80 states and 90 transitions. [2020-11-29 19:07:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 19:07:41,792 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2020-11-29 19:07:41,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:41,793 INFO L225 Difference]: With dead ends: 80 [2020-11-29 19:07:41,793 INFO L226 Difference]: Without dead ends: 62 [2020-11-29 19:07:41,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-11-29 19:07:41,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-11-29 19:07:41,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 32. [2020-11-29 19:07:41,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-11-29 19:07:41,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2020-11-29 19:07:41,799 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 24 [2020-11-29 19:07:41,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:41,799 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2020-11-29 19:07:41,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-29 19:07:41,799 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2020-11-29 19:07:41,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 19:07:41,800 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:41,800 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:42,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:42,004 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:42,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:42,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1646352678, now seen corresponding path program 4 times [2020-11-29 19:07:42,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:42,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454722888] [2020-11-29 19:07:42,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:42,112 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 19:07:42,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454722888] [2020-11-29 19:07:42,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580993052] [2020-11-29 19:07:42,113 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:42,210 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-29 19:07:42,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 19:07:42,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 19:07:42,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:07:42,270 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 19:07:42,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:07:42,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2020-11-29 19:07:42,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614397368] [2020-11-29 19:07:42,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-29 19:07:42,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:42,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-29 19:07:42,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-11-29 19:07:42,272 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand 11 states. [2020-11-29 19:07:42,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:42,413 INFO L93 Difference]: Finished difference Result 97 states and 108 transitions. [2020-11-29 19:07:42,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 19:07:42,414 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 29 [2020-11-29 19:07:42,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:42,415 INFO L225 Difference]: With dead ends: 97 [2020-11-29 19:07:42,415 INFO L226 Difference]: Without dead ends: 76 [2020-11-29 19:07:42,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-11-29 19:07:42,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-11-29 19:07:42,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 37. [2020-11-29 19:07:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-29 19:07:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2020-11-29 19:07:42,431 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 29 [2020-11-29 19:07:42,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:42,438 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2020-11-29 19:07:42,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-29 19:07:42,439 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2020-11-29 19:07:42,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 19:07:42,440 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:42,440 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:42,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:42,661 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:42,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:42,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1305938856, now seen corresponding path program 5 times [2020-11-29 19:07:42,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:42,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118522374] [2020-11-29 19:07:42,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:42,832 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-29 19:07:42,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118522374] [2020-11-29 19:07:42,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222140838] [2020-11-29 19:07:42,833 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:42,983 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2020-11-29 19:07:42,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 19:07:42,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 19:07:42,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:07:43,072 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-29 19:07:43,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:07:43,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2020-11-29 19:07:43,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788236063] [2020-11-29 19:07:43,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-29 19:07:43,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:43,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-29 19:07:43,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-11-29 19:07:43,074 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 13 states. [2020-11-29 19:07:43,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:43,230 INFO L93 Difference]: Finished difference Result 114 states and 126 transitions. [2020-11-29 19:07:43,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 19:07:43,231 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 34 [2020-11-29 19:07:43,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:43,232 INFO L225 Difference]: With dead ends: 114 [2020-11-29 19:07:43,232 INFO L226 Difference]: Without dead ends: 90 [2020-11-29 19:07:43,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-11-29 19:07:43,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-11-29 19:07:43,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 42. [2020-11-29 19:07:43,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-11-29 19:07:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2020-11-29 19:07:43,245 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 34 [2020-11-29 19:07:43,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:43,246 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2020-11-29 19:07:43,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-29 19:07:43,246 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2020-11-29 19:07:43,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 19:07:43,248 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:07:43,249 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:07:43,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:43,450 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:07:43,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:07:43,450 INFO L82 PathProgramCache]: Analyzing trace with hash 679347030, now seen corresponding path program 6 times [2020-11-29 19:07:43,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:07:43,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273209863] [2020-11-29 19:07:43,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:07:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:07:43,616 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 19:07:43,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273209863] [2020-11-29 19:07:43,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416391824] [2020-11-29 19:07:43,617 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:07:43,701 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2020-11-29 19:07:43,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 19:07:43,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 24 conjunts are in the unsatisfiable core [2020-11-29 19:07:43,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:07:43,769 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-11-29 19:07:43,769 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 19:07:43,780 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:07:43,781 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:07:43,781 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2020-11-29 19:07:43,982 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:07:43,983 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2020-11-29 19:07:43,985 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:07:43,988 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-11-29 19:07:44,002 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 19:07:44,004 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:07:44,007 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 19:07:44,008 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:33, output treesize:15 [2020-11-29 19:07:44,087 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-29 19:07:44,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:07:44,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2020-11-29 19:07:44,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432533711] [2020-11-29 19:07:44,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-29 19:07:44,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:07:44,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-29 19:07:44,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-11-29 19:07:44,090 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand 16 states. [2020-11-29 19:07:45,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:07:45,535 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2020-11-29 19:07:45,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-11-29 19:07:45,536 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 39 [2020-11-29 19:07:45,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:07:45,536 INFO L225 Difference]: With dead ends: 62 [2020-11-29 19:07:45,536 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:07:45,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=302, Invalid=958, Unknown=0, NotChecked=0, Total=1260 [2020-11-29 19:07:45,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:07:45,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:07:45,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:07:45,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:07:45,538 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-11-29 19:07:45,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:07:45,538 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:07:45,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-29 19:07:45,538 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:07:45,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:07:45,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-29 19:07:45,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:07:45,936 INFO L274 CegarLoopResult]: For program point L35-2(lines 35 41) no Hoare annotation was computed. [2020-11-29 19:07:45,936 INFO L270 CegarLoopResult]: At program point L35-3(lines 35 41) the Hoare annotation is: (or (and (exists ((v_ULTIMATE.start_init_~i~0_11 Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|) (+ |ULTIMATE.start_main_~#a~0.offset| (* v_ULTIMATE.start_init_~i~0_11 4))) 0)) (< v_ULTIMATE.start_init_~i~0_11 100000) (<= 99999 v_ULTIMATE.start_init_~i~0_11))) (= |ULTIMATE.start_main_~#a~0.base| ULTIMATE.start_init_~a.base) (< ULTIMATE.start_main_~i~1 100000) (= |ULTIMATE.start_main_~#a~0.offset| ULTIMATE.start_init_~a.offset) (= ULTIMATE.start_init_~size 100000) (exists ((v_ULTIMATE.start_init_~i~0_11 Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|) (+ |ULTIMATE.start_main_~#a~0.offset| (* v_ULTIMATE.start_init_~i~0_11 4))) 0)) (<= ULTIMATE.start_init_~i~0 (+ v_ULTIMATE.start_init_~i~0_11 1)) (< v_ULTIMATE.start_init_~i~0_11 ULTIMATE.start_init_~size)))) (<= 1 ULTIMATE.start_main_~flag~0)) [2020-11-29 19:07:45,937 INFO L274 CegarLoopResult]: For program point L35-4(lines 35 41) no Hoare annotation was computed. [2020-11-29 19:07:45,937 INFO L274 CegarLoopResult]: For program point L23-2(lines 23 26) no Hoare annotation was computed. [2020-11-29 19:07:45,937 INFO L270 CegarLoopResult]: At program point L23-3(lines 23 26) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~#a~0.base| ULTIMATE.start_init_~a.base)) (.cse1 (= |ULTIMATE.start_main_~#a~0.offset| ULTIMATE.start_init_~a.offset)) (.cse2 (= ULTIMATE.start_init_~size 100000))) (or (and .cse0 .cse1 .cse2 (exists ((v_ULTIMATE.start_init_~i~0_11 Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|) (+ |ULTIMATE.start_main_~#a~0.offset| (* v_ULTIMATE.start_init_~i~0_11 4))) 0)) (<= ULTIMATE.start_init_~i~0 (+ v_ULTIMATE.start_init_~i~0_11 1)) (< v_ULTIMATE.start_init_~i~0_11 ULTIMATE.start_init_~size)))) (and (= ULTIMATE.start_init_~i~0 0) .cse0 .cse1 .cse2))) [2020-11-29 19:07:45,937 INFO L274 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-11-29 19:07:45,937 INFO L274 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-11-29 19:07:45,937 INFO L274 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-11-29 19:07:45,937 INFO L274 CegarLoopResult]: For program point L15-3(line 15) no Hoare annotation was computed. [2020-11-29 19:07:45,937 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:07:45,937 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:07:45,937 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:07:45,937 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2020-11-29 19:07:45,937 INFO L274 CegarLoopResult]: For program point L20(lines 20 27) no Hoare annotation was computed. [2020-11-29 19:07:45,938 INFO L274 CegarLoopResult]: For program point L37(lines 37 40) no Hoare annotation was computed. [2020-11-29 19:07:45,938 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:07:45,938 INFO L274 CegarLoopResult]: For program point L42-2(lines 42 46) no Hoare annotation was computed. [2020-11-29 19:07:45,938 INFO L270 CegarLoopResult]: At program point L42-3(lines 42 46) the Hoare annotation is: (<= 1 ULTIMATE.start_main_~flag~0) [2020-11-29 19:07:45,938 INFO L274 CegarLoopResult]: For program point L42-4(lines 42 46) no Hoare annotation was computed. [2020-11-29 19:07:45,938 INFO L277 CegarLoopResult]: At program point L47(lines 28 48) the Hoare annotation is: true [2020-11-29 19:07:45,938 INFO L274 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2020-11-29 19:07:45,938 INFO L274 CegarLoopResult]: For program point L14-2(line 14) no Hoare annotation was computed. [2020-11-29 19:07:45,938 INFO L274 CegarLoopResult]: For program point L14-3(line 14) no Hoare annotation was computed. [2020-11-29 19:07:45,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-29 19:07:45,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-29 19:07:45,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,961 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-29 19:07:45,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-29 19:07:45,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-29 19:07:45,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-29 19:07:45,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-29 19:07:45,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-29 19:07:45,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-29 19:07:45,972 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,972 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,972 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-29 19:07:45,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-29 19:07:45,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:45,981 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-29 19:07:45,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:07:45 BoogieIcfgContainer [2020-11-29 19:07:45,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:07:45,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:07:45,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:07:45,984 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:07:45,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:07:39" (3/4) ... [2020-11-29 19:07:45,988 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:07:45,999 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 19:07:45,999 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 19:07:45,999 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:07:46,000 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:07:46,028 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((a == a && a == a) && size == 100000) && (\exists v_ULTIMATE.start_init_~i~0_11 : int :: (!(#memory_$Pointer$[a][a + v_ULTIMATE.start_init_~i~0_11 * 4] == 0) && i <= v_ULTIMATE.start_init_~i~0_11 + 1) && v_ULTIMATE.start_init_~i~0_11 < size)) || (((i == 0 && a == a) && a == a) && size == 100000) [2020-11-29 19:07:46,028 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists v_ULTIMATE.start_init_~i~0_11 : int :: (!(#memory_$Pointer$[a][a + v_ULTIMATE.start_init_~i~0_11 * 4] == 0) && v_ULTIMATE.start_init_~i~0_11 < 100000) && 99999 <= v_ULTIMATE.start_init_~i~0_11) && a == a) && i < 100000) && a == a) && size == 100000) && (\exists v_ULTIMATE.start_init_~i~0_11 : int :: (!(#memory_$Pointer$[a][a + v_ULTIMATE.start_init_~i~0_11 * 4] == 0) && i <= v_ULTIMATE.start_init_~i~0_11 + 1) && v_ULTIMATE.start_init_~i~0_11 < size)) || 1 <= flag [2020-11-29 19:07:46,064 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b5bd8632-49e0-4adb-9845-88b3442fea34/bin/uautomizer/witness.graphml [2020-11-29 19:07:46,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:07:46,066 INFO L168 Benchmark]: Toolchain (without parser) took 7629.12 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 55.8 MB in the beginning and 78.6 MB in the end (delta: -22.8 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:07:46,068 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 47.4 MB in the beginning and 47.3 MB in the end (delta: 37.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:07:46,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.94 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 55.8 MB in the beginning and 83.6 MB in the end (delta: -27.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:07:46,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.70 ms. Allocated memory is still 107.0 MB. Free memory was 83.6 MB in the beginning and 82.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:07:46,069 INFO L168 Benchmark]: Boogie Preprocessor took 22.52 ms. Allocated memory is still 107.0 MB. Free memory was 82.0 MB in the beginning and 80.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:07:46,070 INFO L168 Benchmark]: RCFGBuilder took 425.62 ms. Allocated memory is still 107.0 MB. Free memory was 80.5 MB in the beginning and 65.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:07:46,070 INFO L168 Benchmark]: TraceAbstraction took 6760.76 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 65.3 MB in the beginning and 80.7 MB in the end (delta: -15.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:07:46,071 INFO L168 Benchmark]: Witness Printer took 80.80 ms. Allocated memory is still 130.0 MB. Free memory was 80.7 MB in the beginning and 78.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:07:46,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 47.4 MB in the beginning and 47.3 MB in the end (delta: 37.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 282.94 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 55.8 MB in the beginning and 83.6 MB in the end (delta: -27.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.70 ms. Allocated memory is still 107.0 MB. Free memory was 83.6 MB in the beginning and 82.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.52 ms. Allocated memory is still 107.0 MB. Free memory was 82.0 MB in the beginning and 80.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 425.62 ms. Allocated memory is still 107.0 MB. Free memory was 80.5 MB in the beginning and 65.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6760.76 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 65.3 MB in the beginning and 80.7 MB in the end (delta: -15.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Witness Printer took 80.80 ms. Allocated memory is still 130.0 MB. Free memory was 80.7 MB in the beginning and 78.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 14]: 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: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant [2020-11-29 19:07:46,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-29 19:07:46,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-29 19:07:46,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-29 19:07:46,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-29 19:07:46,099 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-29 19:07:46,099 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,100 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,100 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-29 19:07:46,100 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,100 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,101 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-29 19:07:46,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((\exists v_ULTIMATE.start_init_~i~0_11 : int :: (!(#memory_$Pointer$[a][a + v_ULTIMATE.start_init_~i~0_11 * 4] == 0) && v_ULTIMATE.start_init_~i~0_11 < 100000) && 99999 <= v_ULTIMATE.start_init_~i~0_11) && a == a) && i < 100000) && a == a) && size == 100000) && (\exists v_ULTIMATE.start_init_~i~0_11 : int :: (!(#memory_$Pointer$[a][a + v_ULTIMATE.start_init_~i~0_11 * 4] == 0) && i <= v_ULTIMATE.start_init_~i~0_11 + 1) && v_ULTIMATE.start_init_~i~0_11 < size)) || 1 <= flag - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 <= flag - InvariantResult [Line: 23]: Loop Invariant [2020-11-29 19:07:46,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-29 19:07:46,102 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-29 19:07:46,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-29 19:07:46,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_11,QUANTIFIED] [2020-11-29 19:07:46,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((a == a && a == a) && size == 100000) && (\exists v_ULTIMATE.start_init_~i~0_11 : int :: (!(#memory_$Pointer$[a][a + v_ULTIMATE.start_init_~i~0_11 * 4] == 0) && i <= v_ULTIMATE.start_init_~i~0_11 + 1) && v_ULTIMATE.start_init_~i~0_11 < size)) || (((i == 0 && a == a) && a == a) && size == 100000) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.4s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 166 SDtfs, 262 SDslu, 369 SDs, 0 SdLazy, 332 SolverSat, 59 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 246 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=9, 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, 10 MinimizatonAttempts, 151 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 20 NumberOfFragments, 109 HoareAnnotationTreeSize, 4 FomulaSimplifications, 445 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 67 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 402 NumberOfCodeBlocks, 390 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 385 ConstructedInterpolants, 15 QuantifiedInterpolants, 37499 SizeOfPredicates, 21 NumberOfNonLiveVariables, 938 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 17 InterpolantComputations, 4 PerfectInterpolantSequences, 187/347 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...