./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina5f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/sina5f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt --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 c03f1be00bd8736536b5f8ac6668656aaf911259 .......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:40:50,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:40:50,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:40:50,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:40:50,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:40:50,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:40:50,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:40:50,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:40:50,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:40:50,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:40:50,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:40:50,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:40:50,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:40:50,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:40:50,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:40:50,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:40:50,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:40:50,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:40:50,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:40:50,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:40:50,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:40:50,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:40:50,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:40:50,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:40:50,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:40:50,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:40:50,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:40:50,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:40:50,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:40:50,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:40:50,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:40:50,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:40:50,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:40:50,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:40:50,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:40:50,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:40:50,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:40:50,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:40:50,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:40:50,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:40:50,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:40:50,574 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:40:50,619 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:40:50,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:40:50,620 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:40:50,620 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:40:50,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:40:50,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:40:50,622 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:40:50,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:40:50,622 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:40:50,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:40:50,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:40:50,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:40:50,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:40:50,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:40:50,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:40:50,624 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:40:50,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:40:50,625 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:40:50,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:40:50,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:40:50,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:40:50,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:40:50,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:40:50,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:40:50,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:40:50,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:40:50,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:40:50,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:40:50,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:40:50,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:40:50,629 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_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c03f1be00bd8736536b5f8ac6668656aaf911259 [2021-10-13 00:40:50,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:40:50,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:40:50,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:40:50,897 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:40:50,897 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:40:50,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/array-fpi/sina5f.c [2021-10-13 00:40:50,957 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt/data/6534ac655/93a9df598a374c1a883c74eceffd1d49/FLAG18e521c41 [2021-10-13 00:40:51,419 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:40:51,420 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/sv-benchmarks/c/array-fpi/sina5f.c [2021-10-13 00:40:51,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt/data/6534ac655/93a9df598a374c1a883c74eceffd1d49/FLAG18e521c41 [2021-10-13 00:40:51,809 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt/data/6534ac655/93a9df598a374c1a883c74eceffd1d49 [2021-10-13 00:40:51,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:40:51,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:40:51,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:40:51,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:40:51,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:40:51,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:40:51" (1/1) ... [2021-10-13 00:40:51,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15860414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:51, skipping insertion in model container [2021-10-13 00:40:51,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:40:51" (1/1) ... [2021-10-13 00:40:51,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:40:51,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:40:52,027 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/sv-benchmarks/c/array-fpi/sina5f.c[589,602] [2021-10-13 00:40:52,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:40:52,056 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:40:52,066 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/sv-benchmarks/c/array-fpi/sina5f.c[589,602] [2021-10-13 00:40:52,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:40:52,087 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:40:52,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52 WrapperNode [2021-10-13 00:40:52,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:40:52,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:40:52,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:40:52,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:40:52,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:40:52,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:40:52,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:40:52,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:40:52,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:40:52,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:40:52,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:40:52,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:40:52,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:40:52,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:52,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:52,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:40:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:40:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:40:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:40:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:40:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:40:52,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:40:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:40:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:40:52,538 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:40:52,538 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-13 00:40:52,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:40:52 BoogieIcfgContainer [2021-10-13 00:40:52,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:40:52,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:40:52,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:40:52,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:40:52,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:40:51" (1/3) ... [2021-10-13 00:40:52,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25068d88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:40:52, skipping insertion in model container [2021-10-13 00:40:52,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (2/3) ... [2021-10-13 00:40:52,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25068d88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:40:52, skipping insertion in model container [2021-10-13 00:40:52,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:40:52" (3/3) ... [2021-10-13 00:40:52,549 INFO L111 eAbstractionObserver]: Analyzing ICFG sina5f.c [2021-10-13 00:40:52,554 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:40:52,554 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:40:52,602 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:40:52,609 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:40:52,609 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:40:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:40:52,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 00:40:52,630 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:40:52,631 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:40:52,632 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:40:52,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:52,637 INFO L82 PathProgramCache]: Analyzing trace with hash -635308358, now seen corresponding path program 1 times [2021-10-13 00:40:52,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:52,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760817179] [2021-10-13 00:40:52,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:52,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:52,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:40:52,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:40:52,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760817179] [2021-10-13 00:40:52,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760817179] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:40:52,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:40:52,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:40:52,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916800081] [2021-10-13 00:40:52,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:40:52,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:40:52,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:40:52,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:40:52,865 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:40:52,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:40:52,882 INFO L93 Difference]: Finished difference Result 56 states and 82 transitions. [2021-10-13 00:40:52,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:40:52,884 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-13 00:40:52,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:40:52,892 INFO L225 Difference]: With dead ends: 56 [2021-10-13 00:40:52,892 INFO L226 Difference]: Without dead ends: 26 [2021-10-13 00:40:52,895 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:40:52,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-13 00:40:52,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-13 00:40:52,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:40:52,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-10-13 00:40:52,927 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 18 [2021-10-13 00:40:52,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:40:52,928 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-10-13 00:40:52,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:40:52,928 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-10-13 00:40:52,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 00:40:52,929 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:40:52,929 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:40:52,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:40:52,930 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:40:52,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:52,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1344199344, now seen corresponding path program 1 times [2021-10-13 00:40:52,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:52,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654342849] [2021-10-13 00:40:52,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:52,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:53,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:40:53,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:40:53,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654342849] [2021-10-13 00:40:53,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654342849] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:40:53,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:40:53,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:40:53,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120200167] [2021-10-13 00:40:53,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:40:53,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:40:53,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:40:53,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:40:53,052 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:40:53,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:40:53,194 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2021-10-13 00:40:53,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:40:53,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-13 00:40:53,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:40:53,196 INFO L225 Difference]: With dead ends: 61 [2021-10-13 00:40:53,197 INFO L226 Difference]: Without dead ends: 42 [2021-10-13 00:40:53,198 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:40:53,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-10-13 00:40:53,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 31. [2021-10-13 00:40:53,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:40:53,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2021-10-13 00:40:53,205 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 18 [2021-10-13 00:40:53,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:40:53,206 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2021-10-13 00:40:53,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:40:53,206 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2021-10-13 00:40:53,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 00:40:53,208 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:40:53,208 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:40:53,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:40:53,208 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:40:53,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:53,212 INFO L82 PathProgramCache]: Analyzing trace with hash -933126362, now seen corresponding path program 1 times [2021-10-13 00:40:53,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:53,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624226473] [2021-10-13 00:40:53,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:53,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:53,332 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:53,444 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:53,445 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:40:53,446 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:40:53,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:40:53,453 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:40:53,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:40:53 BoogieIcfgContainer [2021-10-13 00:40:53,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:40:53,499 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:40:53,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:40:53,503 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:40:53,503 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:40:52" (3/4) ... [2021-10-13 00:40:53,505 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 00:40:53,576 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4acc7-3055-4350-81d9-9d901377e1e4/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:40:53,577 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:40:53,578 INFO L168 Benchmark]: Toolchain (without parser) took 1764.84 ms. Allocated memory is still 165.7 MB. Free memory was 135.3 MB in the beginning and 142.4 MB in the end (delta: -7.2 MB). Peak memory consumption was 53.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:53,579 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory is still 46.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:40:53,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.38 ms. Allocated memory is still 165.7 MB. Free memory was 135.3 MB in the beginning and 141.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:53,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.11 ms. Allocated memory is still 165.7 MB. Free memory was 141.5 MB in the beginning and 140.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:53,581 INFO L168 Benchmark]: Boogie Preprocessor took 28.59 ms. Allocated memory is still 165.7 MB. Free memory was 140.0 MB in the beginning and 138.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:40:53,582 INFO L168 Benchmark]: RCFGBuilder took 382.71 ms. Allocated memory is still 165.7 MB. Free memory was 138.4 MB in the beginning and 126.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:53,582 INFO L168 Benchmark]: TraceAbstraction took 955.87 ms. Allocated memory is still 165.7 MB. Free memory was 126.4 MB in the beginning and 87.5 MB in the end (delta: 38.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:53,583 INFO L168 Benchmark]: Witness Printer took 78.11 ms. Allocated memory is still 165.7 MB. Free memory was 87.5 MB in the beginning and 142.4 MB in the end (delta: -54.9 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:53,586 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory is still 46.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 267.38 ms. Allocated memory is still 165.7 MB. Free memory was 135.3 MB in the beginning and 141.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.11 ms. Allocated memory is still 165.7 MB. Free memory was 141.5 MB in the beginning and 140.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.59 ms. Allocated memory is still 165.7 MB. Free memory was 140.0 MB in the beginning and 138.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 382.71 ms. Allocated memory is still 165.7 MB. Free memory was 138.4 MB in the beginning and 126.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 955.87 ms. Allocated memory is still 165.7 MB. Free memory was 126.4 MB in the beginning and 87.5 MB in the end (delta: 38.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * Witness Printer took 78.11 ms. Allocated memory is still 165.7 MB. Free memory was 87.5 MB in the beginning and 142.4 MB in the end (delta: -54.9 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) VAL [N=1] [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L30] long long *b = malloc(sizeof(long long)*N); [L32] sum[0] = 0 [L33] i=0 VAL [N=1] [L33] COND TRUE i