./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifcompf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d0403333-2d65-40b5-890a-d0e780741aab/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d0403333-2d65-40b5-890a-d0e780741aab/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d0403333-2d65-40b5-890a-d0e780741aab/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d0403333-2d65-40b5-890a-d0e780741aab/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifcompf.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d0403333-2d65-40b5-890a-d0e780741aab/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d0403333-2d65-40b5-890a-d0e780741aab/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 92985165ddadd5833b6dd8db60f80f6054278511 ........................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.2.0-69874e2 [2020-12-01 17:46:35,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:46:35,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:46:35,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:46:35,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:46:35,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:46:35,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:46:35,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:46:35,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:46:35,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:46:35,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:46:35,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:46:35,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:46:35,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:46:35,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:46:35,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:46:35,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:46:35,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:46:35,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:46:35,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:46:35,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:46:35,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:46:35,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:46:35,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:46:35,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:46:35,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:46:35,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:46:35,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:46:35,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:46:35,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:46:35,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:46:35,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:46:35,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:46:35,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:46:35,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:46:35,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:46:35,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:46:35,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:46:35,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:46:35,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:46:35,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:46:35,752 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d0403333-2d65-40b5-890a-d0e780741aab/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:46:35,806 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:46:35,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:46:35,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:46:35,809 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:46:35,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:46:35,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:46:35,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:46:35,811 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:46:35,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:46:35,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:46:35,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:46:35,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:46:35,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:46:35,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:46:35,814 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:46:35,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:46:35,815 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:46:35,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:46:35,816 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:46:35,816 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:46:35,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:46:35,816 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:46:35,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:46:35,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:46:35,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:46:35,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:46:35,818 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:46:35,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:46:35,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:46:35,821 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_d0403333-2d65-40b5-890a-d0e780741aab/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d0403333-2d65-40b5-890a-d0e780741aab/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92985165ddadd5833b6dd8db60f80f6054278511 [2020-12-01 17:46:36,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:46:36,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:46:36,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:46:36,239 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:46:36,240 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:46:36,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d0403333-2d65-40b5-890a-d0e780741aab/bin/ukojak/../../sv-benchmarks/c/array-fpi/ifcompf.c [2020-12-01 17:46:36,343 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d0403333-2d65-40b5-890a-d0e780741aab/bin/ukojak/data/279fd1cf8/8047a23506b04f4992cb55d6ac451f92/FLAGd7c8ae3bc [2020-12-01 17:46:37,014 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:46:37,018 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d0403333-2d65-40b5-890a-d0e780741aab/sv-benchmarks/c/array-fpi/ifcompf.c [2020-12-01 17:46:37,031 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d0403333-2d65-40b5-890a-d0e780741aab/bin/ukojak/data/279fd1cf8/8047a23506b04f4992cb55d6ac451f92/FLAGd7c8ae3bc [2020-12-01 17:46:37,375 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d0403333-2d65-40b5-890a-d0e780741aab/bin/ukojak/data/279fd1cf8/8047a23506b04f4992cb55d6ac451f92 [2020-12-01 17:46:37,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:46:37,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:46:37,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:46:37,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:46:37,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:46:37,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:46:37" (1/1) ... [2020-12-01 17:46:37,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2bc611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:37, skipping insertion in model container [2020-12-01 17:46:37,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:46:37" (1/1) ... [2020-12-01 17:46:37,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:46:37,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:46:37,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:46:37,657 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:46:37,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:46:37,697 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:46:37,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:37 WrapperNode [2020-12-01 17:46:37,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:46:37,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:46:37,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:46:37,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:46:37,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:37" (1/1) ... [2020-12-01 17:46:37,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:37" (1/1) ... [2020-12-01 17:46:37,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:46:37,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:46:37,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:46:37,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:46:37,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:37" (1/1) ... [2020-12-01 17:46:37,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:37" (1/1) ... [2020-12-01 17:46:37,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:37" (1/1) ... [2020-12-01 17:46:37,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:37" (1/1) ... [2020-12-01 17:46:37,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:37" (1/1) ... [2020-12-01 17:46:37,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:37" (1/1) ... [2020-12-01 17:46:37,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:37" (1/1) ... [2020-12-01 17:46:37,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:46:37,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:46:37,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:46:37,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:46:37,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0403333-2d65-40b5-890a-d0e780741aab/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2020-12-01 17:46:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:46:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:46:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 17:46:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 17:46:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:46:37,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:46:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 17:46:38,658 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:46:38,658 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-01 17:46:38,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:46:38 BoogieIcfgContainer [2020-12-01 17:46:38,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:46:38,665 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:46:38,665 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:46:38,676 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:46:38,677 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:46:38" (1/1) ... [2020-12-01 17:46:38,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:46:38,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:38,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2020-12-01 17:46:38,742 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2020-12-01 17:46:38,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:46:38,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:38,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 17:46:38,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:46:39,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:39,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2020-12-01 17:46:39,125 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2020-12-01 17:46:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:46:39,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:39,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:46:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:39,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2020-12-01 17:46:39,375 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2020-12-01 17:46:39,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:46:39,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:39,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 17:46:39,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:46:39,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:46:39,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:39,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2020-12-01 17:46:39,706 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2020-12-01 17:46:39,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:46:39,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:39,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-01 17:46:39,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:46:39,956 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 17:46:39,957 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:46:39,961 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:46:39,962 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:46:39,963 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-12-01 17:46:40,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:46:40,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:40,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2020-12-01 17:46:40,682 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2020-12-01 17:46:40,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:46:40,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:40,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 17:46:40,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:46:41,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:46:42,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:42,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2020-12-01 17:46:42,153 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2020-12-01 17:46:42,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:46:42,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:42,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 17:46:42,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:46:42,433 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:46:43,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:43,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2020-12-01 17:46:43,098 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2020-12-01 17:46:43,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:46:43,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:43,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 17:46:43,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:46:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 17:46:43,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:43,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2020-12-01 17:46:43,439 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2020-12-01 17:46:43,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:46:43,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:43,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 36 conjunts are in the unsatisfiable core [2020-12-01 17:46:43,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:46:43,545 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2020-12-01 17:46:43,550 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:46:43,556 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:46:43,561 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:46:43,562 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:11 [2020-12-01 17:46:43,730 INFO L382 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 11 treesize of output 7 [2020-12-01 17:46:43,735 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:46:43,744 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:46:43,746 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:46:43,747 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2020-12-01 17:46:43,946 INFO L348 Elim1Store]: treesize reduction 76, result has 62.0 percent of original size [2020-12-01 17:46:43,946 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 140 [2020-12-01 17:46:43,958 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:46:44,035 INFO L625 ElimStorePlain]: treesize reduction 96, result has 38.1 percent of original size [2020-12-01 17:46:44,047 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:46:44,048 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:53, output treesize:15 [2020-12-01 17:46:44,212 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-12-01 17:46:44,217 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:46:44,232 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:46:44,233 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:46:44,234 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2020-12-01 17:46:44,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:46:44,335 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2020-12-01 17:46:44,337 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:46:44,348 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:46:44,351 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-01 17:46:44,352 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:45, output treesize:31 [2020-12-01 17:46:44,754 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:46:49,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:49,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2020-12-01 17:46:49,556 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2020-12-01 17:46:49,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:46:49,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:49,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 17:46:49,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:46:50,133 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:46:55,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:55,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2020-12-01 17:46:55,707 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2020-12-01 17:46:55,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:46:55,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:55,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 17:46:55,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:46:56,197 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:46:57,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:57,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2020-12-01 17:46:57,454 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-12-01 17:46:57,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:46:57,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:57,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 17:46:57,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:46:57,622 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:46:58,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:58,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2020-12-01 17:46:58,047 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2020-12-01 17:46:58,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:46:58,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:46:58,212 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:46:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:46:58,351 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:46:59,306 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2020-12-01 17:46:59,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:46:59 ImpRootNode [2020-12-01 17:46:59,389 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:46:59,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:46:59,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:46:59,390 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:46:59,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:46:38" (3/4) ... [2020-12-01 17:46:59,392 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:46:59,485 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d0403333-2d65-40b5-890a-d0e780741aab/bin/ukojak/witness.graphml [2020-12-01 17:46:59,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:46:59,486 INFO L168 Benchmark]: Toolchain (without parser) took 22106.06 ms. Allocated memory was 98.6 MB in the beginning and 348.1 MB in the end (delta: 249.6 MB). Free memory was 71.0 MB in the beginning and 146.3 MB in the end (delta: -75.3 MB). Peak memory consumption was 173.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:59,487 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 98.6 MB. Free memory is still 57.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:46:59,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.19 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 70.6 MB in the beginning and 107.0 MB in the end (delta: -36.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:59,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.64 ms. Allocated memory is still 130.0 MB. Free memory was 107.0 MB in the beginning and 105.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:59,489 INFO L168 Benchmark]: Boogie Preprocessor took 38.76 ms. Allocated memory is still 130.0 MB. Free memory was 105.0 MB in the beginning and 103.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:59,489 INFO L168 Benchmark]: RCFGBuilder took 881.83 ms. Allocated memory is still 130.0 MB. Free memory was 103.5 MB in the beginning and 72.0 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:59,490 INFO L168 Benchmark]: CodeCheck took 20724.31 ms. Allocated memory was 130.0 MB in the beginning and 348.1 MB in the end (delta: 218.1 MB). Free memory was 72.0 MB in the beginning and 150.5 MB in the end (delta: -78.5 MB). Peak memory consumption was 140.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:59,491 INFO L168 Benchmark]: Witness Printer took 95.65 ms. Allocated memory is still 348.1 MB. Free memory was 149.5 MB in the beginning and 146.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:59,495 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 20.5s, OverallIterations: 12, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13312 SDtfs, 5024 SDslu, 0 SDs, 0 SdLazy, 42438 SolverSat, 20326 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1621 GetRequests, 1340 SyntacticMatches, 39 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28666 ImplicationChecksByTransitivity, 15.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 152 ConstructedInterpolants, 5 QuantifiedInterpolants, 10844 SizeOfPredicates, 34 NumberOfNonLiveVariables, 1196 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 61/95 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) [L27] int i; [L28] long long *a = malloc(sizeof(long long)*N); [L29] long long *b = malloc(sizeof(long long)*N); [L30] long long *c = malloc(sizeof(long long)*N); [L32] i=0 VAL [N=3] [L32] COND TRUE i