./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn2f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cb42aca5-31c4-4a4f-acab-e940b8e80daf/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cb42aca5-31c4-4a4f-acab-e940b8e80daf/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cb42aca5-31c4-4a4f-acab-e940b8e80daf/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cb42aca5-31c4-4a4f-acab-e940b8e80daf/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn2f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cb42aca5-31c4-4a4f-acab-e940b8e80daf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cb42aca5-31c4-4a4f-acab-e940b8e80daf/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 d865065a7c8613a66332b84e9d5b1d95cce65492 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-a4ecdab [2020-11-30 01:02:40,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:02:40,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:02:40,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:02:40,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:02:40,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:02:40,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:02:40,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:02:40,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:02:40,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:02:40,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:02:40,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:02:40,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:02:40,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:02:40,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:02:40,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:02:40,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:02:40,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:02:40,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:02:40,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:02:40,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:02:40,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:02:40,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:02:40,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:02:40,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:02:40,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:02:40,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:02:40,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:02:40,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:02:40,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:02:40,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:02:40,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:02:40,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:02:40,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:02:40,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:02:40,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:02:40,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:02:40,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:02:40,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:02:40,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:02:40,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:02:40,779 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cb42aca5-31c4-4a4f-acab-e940b8e80daf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:02:40,806 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:02:40,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:02:40,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:02:40,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:02:40,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:02:40,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:02:40,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:02:40,810 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:02:40,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:02:40,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:02:40,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:02:40,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:02:40,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:02:40,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:02:40,812 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:02:40,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:02:40,812 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:02:40,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:02:40,813 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:02:40,815 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:02:40,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:02:40,816 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:02:40,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:02:40,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:02:40,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:02:40,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:02:40,818 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:02:40,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:02:40,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:02:40,819 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_cb42aca5-31c4-4a4f-acab-e940b8e80daf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cb42aca5-31c4-4a4f-acab-e940b8e80daf/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d865065a7c8613a66332b84e9d5b1d95cce65492 [2020-11-30 01:02:41,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:02:41,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:02:41,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:02:41,169 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:02:41,172 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:02:41,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cb42aca5-31c4-4a4f-acab-e940b8e80daf/bin/ukojak/../../sv-benchmarks/c/array-fpi/eqn2f.c [2020-11-30 01:02:41,282 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb42aca5-31c4-4a4f-acab-e940b8e80daf/bin/ukojak/data/1e47206ef/6c1d9f06419948619be8a98f6c489b68/FLAG8432b44df [2020-11-30 01:02:41,859 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:02:41,862 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cb42aca5-31c4-4a4f-acab-e940b8e80daf/sv-benchmarks/c/array-fpi/eqn2f.c [2020-11-30 01:02:41,876 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb42aca5-31c4-4a4f-acab-e940b8e80daf/bin/ukojak/data/1e47206ef/6c1d9f06419948619be8a98f6c489b68/FLAG8432b44df [2020-11-30 01:02:42,197 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cb42aca5-31c4-4a4f-acab-e940b8e80daf/bin/ukojak/data/1e47206ef/6c1d9f06419948619be8a98f6c489b68 [2020-11-30 01:02:42,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:02:42,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:02:42,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:02:42,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:02:42,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:02:42,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@984da4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42, skipping insertion in model container [2020-11-30 01:02:42,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:02:42,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:02:42,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:02:42,467 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:02:42,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:02:42,526 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:02:42,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42 WrapperNode [2020-11-30 01:02:42,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:02:42,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:02:42,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:02:42,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:02:42,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:02:42,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:02:42,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:02:42,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:02:42,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:02:42,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:02:42,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:02:42,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:02:42,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb42aca5-31c4-4a4f-acab-e940b8e80daf/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 [2020-11-30 01:02:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:02:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:02:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:02:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 01:02:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:02:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:02:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:02:43,451 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:02:43,452 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-11-30 01:02:43,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:02:43 BoogieIcfgContainer [2020-11-30 01:02:43,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:02:43,455 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:02:43,456 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:02:43,469 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:02:43,469 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:02:43" (1/1) ... [2020-11-30 01:02:43,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:43,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:43,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2020-11-30 01:02:43,540 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2020-11-30 01:02:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 01:02:43,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:43,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:02:43,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:02:43,901 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:02:43,902 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 39 [2020-11-30 01:02:43,903 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:44,180 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 18 [2020-11-30 01:02:44,181 INFO L625 ElimStorePlain]: treesize reduction 16, result has 59.0 percent of original size [2020-11-30 01:02:44,189 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:02:44,190 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:7 [2020-11-30 01:02:44,241 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:44,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:44,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:44,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2020-11-30 01:02:44,436 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2020-11-30 01:02:44,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 01:02:44,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:44,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:02:44,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:02:44,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:45,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:45,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 18 states and 41 transitions. [2020-11-30 01:02:45,155 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 41 transitions. [2020-11-30 01:02:45,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 01:02:45,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:45,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:02:45,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:02:45,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:45,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 20 states and 48 transitions. [2020-11-30 01:02:45,775 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 48 transitions. [2020-11-30 01:02:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 01:02:45,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:45,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2020-11-30 01:02:45,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:02:45,902 INFO L384 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 10 treesize of output 8 [2020-11-30 01:02:45,903 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:45,911 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:02:45,918 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2020-11-30 01:02:45,919 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:45,929 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:02:45,930 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:02:45,930 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:19 [2020-11-30 01:02:46,066 INFO L350 Elim1Store]: treesize reduction 54, result has 46.0 percent of original size [2020-11-30 01:02:46,067 INFO L384 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 3 case distinctions, treesize of input 41 treesize of output 72 [2020-11-30 01:02:46,069 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:46,128 INFO L625 ElimStorePlain]: treesize reduction 27, result has 64.5 percent of original size [2020-11-30 01:02:46,130 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:46,132 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 01:02:46,132 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:45, output treesize:49 [2020-11-30 01:02:46,134 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:46,252 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:46,476 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-11-30 01:02:46,476 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:46,536 INFO L441 ElimStorePlain]: Different costs {12=[|v_#memory_int_31|], 20=[v_prenex_2]} [2020-11-30 01:02:46,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:46,564 INFO L350 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2020-11-30 01:02:46,564 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 43 [2020-11-30 01:02:46,566 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:46,625 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:02:46,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:46,675 INFO L350 Elim1Store]: treesize reduction 17, result has 60.5 percent of original size [2020-11-30 01:02:46,675 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 85 [2020-11-30 01:02:46,678 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:46,786 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-11-30 01:02:46,787 INFO L625 ElimStorePlain]: treesize reduction 53, result has 71.2 percent of original size [2020-11-30 01:02:46,797 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2020-11-30 01:02:46,797 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:115, output treesize:131 [2020-11-30 01:02:47,176 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-11-30 01:02:47,176 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:47,195 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:02:47,239 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:47,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:48,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:48,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 21 states and 51 transitions. [2020-11-30 01:02:48,226 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 51 transitions. [2020-11-30 01:02:48,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 01:02:48,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:48,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2020-11-30 01:02:48,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:02:48,333 INFO L384 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 10 treesize of output 8 [2020-11-30 01:02:48,334 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:48,344 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:02:48,352 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2020-11-30 01:02:48,353 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:48,365 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:02:48,365 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:02:48,365 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:19 [2020-11-30 01:02:48,444 INFO L350 Elim1Store]: treesize reduction 54, result has 46.0 percent of original size [2020-11-30 01:02:48,444 INFO L384 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 3 case distinctions, treesize of input 41 treesize of output 72 [2020-11-30 01:02:48,446 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:48,494 INFO L625 ElimStorePlain]: treesize reduction 27, result has 64.5 percent of original size [2020-11-30 01:02:48,495 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:48,497 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 01:02:48,497 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:45, output treesize:49 [2020-11-30 01:02:48,498 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:48,578 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:48,583 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-11-30 01:02:48,584 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:48,627 INFO L441 ElimStorePlain]: Different costs {12=[v_prenex_5], 20=[|v_#memory_int_34|]} [2020-11-30 01:02:48,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:48,652 INFO L350 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2020-11-30 01:02:48,653 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 43 [2020-11-30 01:02:48,654 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:48,723 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:02:48,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:48,775 INFO L350 Elim1Store]: treesize reduction 17, result has 60.5 percent of original size [2020-11-30 01:02:48,776 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 85 [2020-11-30 01:02:48,777 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:48,887 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-11-30 01:02:48,888 INFO L625 ElimStorePlain]: treesize reduction 45, result has 67.9 percent of original size [2020-11-30 01:02:48,894 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2020-11-30 01:02:48,894 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:115, output treesize:95 [2020-11-30 01:02:49,134 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-11-30 01:02:49,135 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:49,144 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:02:49,170 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:50,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:50,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2020-11-30 01:02:50,531 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2020-11-30 01:02:50,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 01:02:50,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:50,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 01:02:50,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:02:50,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:51,590 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-11-30 01:02:51,835 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-11-30 01:02:53,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:53,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 21 states and 44 transitions. [2020-11-30 01:02:53,370 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 44 transitions. [2020-11-30 01:02:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 01:02:53,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:53,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 01:02:53,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:02:53,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:54,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:54,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 25 states and 51 transitions. [2020-11-30 01:02:54,467 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 51 transitions. [2020-11-30 01:02:54,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:02:54,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:54,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2020-11-30 01:02:54,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:02:54,583 INFO L384 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 10 treesize of output 8 [2020-11-30 01:02:54,584 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:54,598 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:02:54,604 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2020-11-30 01:02:54,604 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:54,622 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:02:54,623 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:02:54,623 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:19 [2020-11-30 01:02:54,719 INFO L350 Elim1Store]: treesize reduction 54, result has 46.0 percent of original size [2020-11-30 01:02:54,720 INFO L384 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 3 case distinctions, treesize of input 41 treesize of output 72 [2020-11-30 01:02:54,721 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:54,822 INFO L625 ElimStorePlain]: treesize reduction 27, result has 64.5 percent of original size [2020-11-30 01:02:54,823 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:54,824 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 01:02:54,824 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:45, output treesize:49 [2020-11-30 01:02:54,825 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:54,939 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:54,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:55,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:55,328 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-30 01:02:55,328 INFO L350 Elim1Store]: treesize reduction 17, result has 92.5 percent of original size [2020-11-30 01:02:55,329 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 63 treesize of output 252 [2020-11-30 01:02:55,331 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 1] term [2020-11-30 01:02:55,332 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 01:02:55,332 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 1] term [2020-11-30 01:02:55,333 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 01:02:55,333 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-11-30 01:02:55,333 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:02:55,334 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-11-30 01:02:55,334 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:02:55,334 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-11-30 01:02:55,335 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:55,343 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:55,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:55,421 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:02:55,421 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 49 treesize of output 143 [2020-11-30 01:02:55,423 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-11-30 01:02:55,423 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:02:55,424 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-11-30 01:02:55,425 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:02:55,425 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-11-30 01:02:55,426 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:55,428 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:55,768 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2020-11-30 01:02:55,768 INFO L625 ElimStorePlain]: treesize reduction 810, result has 14.4 percent of original size [2020-11-30 01:02:55,777 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:55,778 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2020-11-30 01:02:55,779 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:121, output treesize:101 [2020-11-30 01:02:55,779 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:56,106 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:02:56,528 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2020-11-30 01:02:56,532 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-30 01:02:56,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:56,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:56,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:56,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:56,611 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 52 [2020-11-30 01:02:56,612 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:56,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:56,681 INFO L350 Elim1Store]: treesize reduction 17, result has 60.5 percent of original size [2020-11-30 01:02:56,682 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 85 [2020-11-30 01:02:56,683 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:56,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:56,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:56,711 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 43 [2020-11-30 01:02:56,712 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:56,887 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-11-30 01:02:56,888 INFO L625 ElimStorePlain]: treesize reduction 43, result has 77.5 percent of original size [2020-11-30 01:02:56,889 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2020-11-30 01:02:56,889 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:176, output treesize:148 [2020-11-30 01:02:57,466 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-11-30 01:02:57,469 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-30 01:02:57,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:57,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:57,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:57,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:57,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:57,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:57,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:57,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:57,697 INFO L244 Elim1Store]: Index analysis took 156 ms [2020-11-30 01:02:57,711 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:02:57,712 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 98 [2020-11-30 01:02:57,713 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:57,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:57,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:57,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:57,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:57,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:57,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:57,851 INFO L244 Elim1Store]: Index analysis took 120 ms [2020-11-30 01:02:57,986 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-11-30 01:02:57,987 INFO L350 Elim1Store]: treesize reduction 17, result has 81.7 percent of original size [2020-11-30 01:02:57,987 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 173 [2020-11-30 01:02:57,990 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:58,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:58,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:58,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:58,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:58,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:58,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:58,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:58,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:58,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:58,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:58,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:02:58,080 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:02:58,081 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 107 [2020-11-30 01:02:58,083 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-30 01:02:58,409 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2020-11-30 01:02:58,410 INFO L625 ElimStorePlain]: treesize reduction 236, result has 51.1 percent of original size [2020-11-30 01:02:58,425 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 10 dim-0 vars, and 3 xjuncts. [2020-11-30 01:02:58,426 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:253, output treesize:247 [2020-11-30 01:04:38,489 WARN L193 SmtUtils]: Spent 23.30 s on a formula simplification that was a NOOP. DAG size: 101 [2020-11-30 01:05:52,383 WARN L193 SmtUtils]: Spent 47.53 s on a formula simplification that was a NOOP. DAG size: 104 [2020-11-30 01:05:52,396 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 4, 1] term [2020-11-30 01:05:52,396 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-30 01:05:52,416 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 01:05:52,442 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:05:52,464 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:05:52,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:05:53,938 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-11-30 01:05:54,727 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2020-11-30 01:05:55,457 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-11-30 01:06:01,003 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-11-30 01:06:01,819 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-11-30 01:06:02,804 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-11-30 01:09:59,929 WARN L193 SmtUtils]: Spent 59.81 s on a formula simplification that was a NOOP. DAG size: 102 [2020-11-30 01:11:16,921 WARN L193 SmtUtils]: Spent 53.86 s on a formula simplification that was a NOOP. DAG size: 105 [2020-11-30 01:11:16,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2020-11-30 01:11:16,932 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2020-11-30 01:11:16,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:11:16,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:11:17,026 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:11:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:11:17,076 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:11:17,111 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2020-11-30 01:11:17,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:11:17 ImpRootNode [2020-11-30 01:11:17,144 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:11:17,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:11:17,145 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:11:17,145 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:11:17,146 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:02:43" (3/4) ... [2020-11-30 01:11:17,148 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 01:11:17,227 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cb42aca5-31c4-4a4f-acab-e940b8e80daf/bin/ukojak/witness.graphml [2020-11-30 01:11:17,241 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:11:17,242 INFO L168 Benchmark]: Toolchain (without parser) took 515039.51 ms. Allocated memory was 88.1 MB in the beginning and 218.1 MB in the end (delta: 130.0 MB). Free memory was 51.7 MB in the beginning and 155.5 MB in the end (delta: -103.9 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:17,243 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 68.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:11:17,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.84 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 51.5 MB in the beginning and 100.3 MB in the end (delta: -48.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:17,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.59 ms. Allocated memory is still 121.6 MB. Free memory was 100.3 MB in the beginning and 100.2 MB in the end (delta: 68.4 kB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:17,245 INFO L168 Benchmark]: Boogie Preprocessor took 39.31 ms. Allocated memory is still 121.6 MB. Free memory was 100.2 MB in the beginning and 98.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:17,245 INFO L168 Benchmark]: RCFGBuilder took 835.96 ms. Allocated memory is still 121.6 MB. Free memory was 98.9 MB in the beginning and 76.7 MB in the end (delta: 22.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:17,246 INFO L168 Benchmark]: CodeCheck took 513688.79 ms. Allocated memory was 121.6 MB in the beginning and 218.1 MB in the end (delta: 96.5 MB). Free memory was 76.7 MB in the beginning and 158.7 MB in the end (delta: -82.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:17,247 INFO L168 Benchmark]: Witness Printer took 96.37 ms. Allocated memory is still 218.1 MB. Free memory was 157.6 MB in the beginning and 155.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:17,250 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, 11 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 513.5s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1024 SDtfs, 532 SDslu, 256 SDs, 0 SdLazy, 9466 SolverSat, 2870 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 824 GetRequests, 701 SyntacticMatches, 21 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4746 ImplicationChecksByTransitivity, 506.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 181.7s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 64 ConstructedInterpolants, 14 QuantifiedInterpolants, 16808 SizeOfPredicates, 50 NumberOfNonLiveVariables, 702 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 6/18 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); [L31] a[0] = 8 [L32] b[0] = 1 [L34] i=1 VAL [N=2] [L34] COND TRUE i