./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina4f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8e7b809a-ed58-4539-b07e-5790e01ad109/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8e7b809a-ed58-4539-b07e-5790e01ad109/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8e7b809a-ed58-4539-b07e-5790e01ad109/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8e7b809a-ed58-4539-b07e-5790e01ad109/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/sina4f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8e7b809a-ed58-4539-b07e-5790e01ad109/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8e7b809a-ed58-4539-b07e-5790e01ad109/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02c74eb559f45619a2b38e357b8af6508fe311d8 ..................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-cad4683 [2019-11-15 23:54:29,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:54:29,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:54:29,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:54:29,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:54:29,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:54:29,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:54:29,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:54:29,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:54:29,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:54:29,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:54:29,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:54:29,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:54:29,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:54:29,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:54:29,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:54:29,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:54:29,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:54:29,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:54:29,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:54:29,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:54:29,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:54:29,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:54:29,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:54:29,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:54:29,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:54:29,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:54:29,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:54:29,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:54:29,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:54:29,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:54:29,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:54:29,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:54:29,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:54:29,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:54:29,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:54:29,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:54:29,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:54:29,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:54:29,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:54:29,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:54:29,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8e7b809a-ed58-4539-b07e-5790e01ad109/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:54:29,515 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:54:29,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:54:29,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:54:29,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:54:29,518 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:54:29,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:54:29,518 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:54:29,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:54:29,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:54:29,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:54:29,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:54:29,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:54:29,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:54:29,521 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:54:29,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:54:29,521 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:54:29,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:54:29,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:54:29,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:54:29,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:54:29,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:54:29,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:54:29,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:54:29,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:54:29,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:54:29,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:54:29,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:54:29,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:54:29,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8e7b809a-ed58-4539-b07e-5790e01ad109/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02c74eb559f45619a2b38e357b8af6508fe311d8 [2019-11-15 23:54:29,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:54:29,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:54:29,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:54:29,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:54:29,597 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:54:29,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8e7b809a-ed58-4539-b07e-5790e01ad109/bin/uautomizer/../../sv-benchmarks/c/array-fpi/sina4f.c [2019-11-15 23:54:29,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8e7b809a-ed58-4539-b07e-5790e01ad109/bin/uautomizer/data/58f3eb5f6/aa66ed9d233c43baa876b9eec5ef5ba9/FLAG36fce9f6e [2019-11-15 23:54:30,032 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:54:30,033 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8e7b809a-ed58-4539-b07e-5790e01ad109/sv-benchmarks/c/array-fpi/sina4f.c [2019-11-15 23:54:30,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8e7b809a-ed58-4539-b07e-5790e01ad109/bin/uautomizer/data/58f3eb5f6/aa66ed9d233c43baa876b9eec5ef5ba9/FLAG36fce9f6e [2019-11-15 23:54:30,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8e7b809a-ed58-4539-b07e-5790e01ad109/bin/uautomizer/data/58f3eb5f6/aa66ed9d233c43baa876b9eec5ef5ba9 [2019-11-15 23:54:30,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:54:30,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:54:30,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:54:30,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:54:30,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:54:30,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:54:30" (1/1) ... [2019-11-15 23:54:30,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@842d0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:30, skipping insertion in model container [2019-11-15 23:54:30,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:54:30" (1/1) ... [2019-11-15 23:54:30,068 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:54:30,081 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:54:30,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:54:30,278 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:54:30,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:54:30,312 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:54:30,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:30 WrapperNode [2019-11-15 23:54:30,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:54:30,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:54:30,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:54:30,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:54:30,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:30" (1/1) ... [2019-11-15 23:54:30,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:30" (1/1) ... [2019-11-15 23:54:30,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:54:30,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:54:30,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:54:30,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:54:30,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:30" (1/1) ... [2019-11-15 23:54:30,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:30" (1/1) ... [2019-11-15 23:54:30,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:30" (1/1) ... [2019-11-15 23:54:30,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:30" (1/1) ... [2019-11-15 23:54:30,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:30" (1/1) ... [2019-11-15 23:54:30,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:30" (1/1) ... [2019-11-15 23:54:30,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:30" (1/1) ... [2019-11-15 23:54:30,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:54:30,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:54:30,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:54:30,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:54:30,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e7b809a-ed58-4539-b07e-5790e01ad109/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:54:30,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:54:30,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:54:30,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 23:54:30,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:54:30,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:54:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 23:54:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:54:30,747 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:54:30,748 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-15 23:54:30,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:54:30 BoogieIcfgContainer [2019-11-15 23:54:30,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:54:30,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:54:30,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:54:30,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:54:30,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:54:30" (1/3) ... [2019-11-15 23:54:30,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3252f103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:54:30, skipping insertion in model container [2019-11-15 23:54:30,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:54:30" (2/3) ... [2019-11-15 23:54:30,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3252f103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:54:30, skipping insertion in model container [2019-11-15 23:54:30,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:54:30" (3/3) ... [2019-11-15 23:54:30,756 INFO L109 eAbstractionObserver]: Analyzing ICFG sina4f.c [2019-11-15 23:54:30,765 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:54:30,771 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:54:30,781 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:54:30,801 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:54:30,801 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:54:30,801 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:54:30,802 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:54:30,802 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:54:30,802 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:54:30,802 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:54:30,802 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:54:30,815 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-11-15 23:54:30,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-15 23:54:30,823 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:54:30,824 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:54:30,825 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:54:30,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:54:30,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1543917039, now seen corresponding path program 1 times [2019-11-15 23:54:30,837 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:54:30,838 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717195001] [2019-11-15 23:54:30,838 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:30,838 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:30,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:54:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:54:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:54:30,962 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717195001] [2019-11-15 23:54:30,963 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:54:30,963 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 23:54:30,963 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855289651] [2019-11-15 23:54:30,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 23:54:30,968 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:54:30,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 23:54:30,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:54:30,983 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2019-11-15 23:54:31,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:54:31,000 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2019-11-15 23:54:31,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:54:31,001 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-11-15 23:54:31,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:54:31,010 INFO L225 Difference]: With dead ends: 45 [2019-11-15 23:54:31,010 INFO L226 Difference]: Without dead ends: 21 [2019-11-15 23:54:31,013 INFO L600 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 [2019-11-15 23:54:31,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-15 23:54:31,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-15 23:54:31,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-15 23:54:31,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-15 23:54:31,045 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2019-11-15 23:54:31,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:54:31,045 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-15 23:54:31,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 23:54:31,045 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-15 23:54:31,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-15 23:54:31,046 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:54:31,046 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:54:31,047 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:54:31,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:54:31,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1392318587, now seen corresponding path program 1 times [2019-11-15 23:54:31,047 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:54:31,048 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805761484] [2019-11-15 23:54:31,048 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:31,048 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:31,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:54:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:54:31,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:54:31,127 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805761484] [2019-11-15 23:54:31,127 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:54:31,128 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:54:31,128 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007649555] [2019-11-15 23:54:31,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:54:31,129 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:54:31,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:54:31,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:54:31,130 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 3 states. [2019-11-15 23:54:31,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:54:31,196 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2019-11-15 23:54:31,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:54:31,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-11-15 23:54:31,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:54:31,198 INFO L225 Difference]: With dead ends: 39 [2019-11-15 23:54:31,198 INFO L226 Difference]: Without dead ends: 23 [2019-11-15 23:54:31,199 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:54:31,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-15 23:54:31,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2019-11-15 23:54:31,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-15 23:54:31,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-11-15 23:54:31,203 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 14 [2019-11-15 23:54:31,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:54:31,203 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-11-15 23:54:31,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:54:31,204 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-11-15 23:54:31,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-15 23:54:31,204 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:54:31,204 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:54:31,205 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:54:31,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:54:31,205 INFO L82 PathProgramCache]: Analyzing trace with hash -298812061, now seen corresponding path program 1 times [2019-11-15 23:54:31,205 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:54:31,205 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389819954] [2019-11-15 23:54:31,206 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:31,206 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:31,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:54:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:54:31,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 23:54:31,278 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389819954] [2019-11-15 23:54:31,278 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:54:31,278 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:54:31,278 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401892969] [2019-11-15 23:54:31,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:54:31,279 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:54:31,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:54:31,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:54:31,280 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 4 states. [2019-11-15 23:54:31,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:54:31,346 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2019-11-15 23:54:31,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:54:31,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2019-11-15 23:54:31,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:54:31,348 INFO L225 Difference]: With dead ends: 48 [2019-11-15 23:54:31,348 INFO L226 Difference]: Without dead ends: 35 [2019-11-15 23:54:31,348 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:54:31,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-15 23:54:31,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 25. [2019-11-15 23:54:31,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-15 23:54:31,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2019-11-15 23:54:31,354 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 16 [2019-11-15 23:54:31,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:54:31,354 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2019-11-15 23:54:31,354 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:54:31,355 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2019-11-15 23:54:31,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 23:54:31,355 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:54:31,355 INFO L380 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] [2019-11-15 23:54:31,356 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:54:31,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:54:31,356 INFO L82 PathProgramCache]: Analyzing trace with hash -312639363, now seen corresponding path program 1 times [2019-11-15 23:54:31,356 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:54:31,357 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960906470] [2019-11-15 23:54:31,357 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:31,357 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:54:31,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:54:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:54:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:54:31,536 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:54:31,536 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 23:54:31,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:54:31 BoogieIcfgContainer [2019-11-15 23:54:31,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:54:31,591 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:54:31,591 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:54:31,592 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:54:31,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:54:30" (3/4) ... [2019-11-15 23:54:31,594 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-15 23:54:31,646 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8e7b809a-ed58-4539-b07e-5790e01ad109/bin/uautomizer/witness.graphml [2019-11-15 23:54:31,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:54:31,649 INFO L168 Benchmark]: Toolchain (without parser) took 1595.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 193.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:54:31,649 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:54:31,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 193.5 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -240.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:54:31,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:54:31,651 INFO L168 Benchmark]: Boogie Preprocessor took 29.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:54:31,651 INFO L168 Benchmark]: RCFGBuilder took 370.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:54:31,652 INFO L168 Benchmark]: TraceAbstraction took 841.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:54:31,652 INFO L168 Benchmark]: Witness Printer took 55.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:54:31,655 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 259.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 193.5 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -240.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 370.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 841.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. * Witness Printer took 55.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int N; VAL [N=0] [L18] N = __VERIFIER_nondet_int() [L19] COND FALSE !(N <= 0) [L22] int i; [L23] long long sum[1]; [L24] long long *a = malloc(sizeof(long long)*N); [L25] long long *b = malloc(sizeof(long long)*N); [L27] sum[0] = 0 [L28] i=0 VAL [N=1] [L28] COND TRUE i