./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn1.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_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/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 3df2e40dd5334d958c7fe1aacbe2314394082184 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/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 3df2e40dd5334d958c7fe1aacbe2314394082184 ................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:52:54,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:52:54,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:52:54,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:52:54,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:52:54,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:52:54,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:52:54,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:52:54,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:52:54,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:52:54,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:52:54,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:52:54,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:52:54,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:52:54,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:52:54,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:52:54,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:52:54,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:52:54,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:52:54,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:52:54,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:52:54,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:52:54,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:52:54,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:52:54,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:52:54,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:52:54,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:52:54,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:52:54,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:52:54,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:52:54,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:52:54,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:52:54,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:52:54,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:52:54,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:52:54,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:52:54,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:52:54,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:52:54,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:52:54,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:52:54,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:52:54,546 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:52:54,596 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:52:54,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:52:54,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:52:54,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:52:54,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:52:54,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:52:54,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:52:54,599 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:52:54,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:52:54,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:52:54,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:52:54,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:52:54,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:52:54,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:52:54,602 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:52:54,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:52:54,602 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:52:54,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:52:54,603 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:52:54,603 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:52:54,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:52:54,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:52:54,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:52:54,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:52:54,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:52:54,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:52:54,605 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:52:54,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:52:54,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:52:54,607 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_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df2e40dd5334d958c7fe1aacbe2314394082184 [2020-12-01 17:52:54,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:52:54,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:52:54,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:52:54,891 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:52:54,896 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:52:54,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/../../sv-benchmarks/c/array-fpi/eqn1.c [2020-12-01 17:52:54,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/data/b299d339e/18e186307f1b4f22abc7b906a5223d6d/FLAG92389bf6a [2020-12-01 17:52:55,518 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:52:55,519 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/sv-benchmarks/c/array-fpi/eqn1.c [2020-12-01 17:52:55,529 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/data/b299d339e/18e186307f1b4f22abc7b906a5223d6d/FLAG92389bf6a [2020-12-01 17:52:55,922 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/data/b299d339e/18e186307f1b4f22abc7b906a5223d6d [2020-12-01 17:52:55,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:52:55,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:52:55,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:52:55,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:52:55,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:52:55,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:52:55" (1/1) ... [2020-12-01 17:52:55,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237de3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:55, skipping insertion in model container [2020-12-01 17:52:55,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:52:55" (1/1) ... [2020-12-01 17:52:55,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:52:55,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:52:56,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:52:56,195 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:52:56,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:52:56,253 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:52:56,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:56 WrapperNode [2020-12-01 17:52:56,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:52:56,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:52:56,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:52:56,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:52:56,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:56" (1/1) ... [2020-12-01 17:52:56,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:56" (1/1) ... [2020-12-01 17:52:56,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:52:56,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:52:56,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:52:56,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:52:56,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:56" (1/1) ... [2020-12-01 17:52:56,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:56" (1/1) ... [2020-12-01 17:52:56,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:56" (1/1) ... [2020-12-01 17:52:56,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:56" (1/1) ... [2020-12-01 17:52:56,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:56" (1/1) ... [2020-12-01 17:52:56,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:56" (1/1) ... [2020-12-01 17:52:56,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:56" (1/1) ... [2020-12-01 17:52:56,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:52:56,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:52:56,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:52:56,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:52:56,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/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 17:52:56,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:52:56,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:52:56,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 17:52:56,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 17:52:56,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:52:56,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:52:56,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 17:52:57,074 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:52:57,074 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 17:52:57,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:52:57 BoogieIcfgContainer [2020-12-01 17:52:57,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:52:57,078 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:52:57,078 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:52:57,088 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:52:57,089 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:52:57" (1/1) ... [2020-12-01 17:52:57,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:52:57,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:57,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2020-12-01 17:52:57,146 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2020-12-01 17:52:57,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:52:57,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:57,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-01 17:52:57,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:52:57,484 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:52:57,485 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 1 case distinctions, treesize of input 27 treesize of output 39 [2020-12-01 17:52:57,490 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:52:57,524 INFO L625 ElimStorePlain]: treesize reduction 16, result has 64.4 percent of original size [2020-12-01 17:52:57,531 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:52:57,531 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:14 [2020-12-01 17:52:57,592 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 17:52:57,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:57,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 15 states and 28 transitions. [2020-12-01 17:52:57,717 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 28 transitions. [2020-12-01 17:52:57,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:52:57,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:57,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 17:52:57,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:52:57,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:52:57,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:57,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 16 states and 32 transitions. [2020-12-01 17:52:57,984 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 32 transitions. [2020-12-01 17:52:57,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:52:57,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:58,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 17:52:58,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:52:58,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:52:58,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2020-12-01 17:52:58,575 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2020-12-01 17:52:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:52:58,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:58,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 27 conjunts are in the unsatisfiable core [2020-12-01 17:52:58,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:52:58,732 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 10 treesize of output 8 [2020-12-01 17:52:58,735 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:52:58,744 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:52:58,752 INFO L382 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 [2020-12-01 17:52:58,754 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:52:58,764 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:52:58,765 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:52:58,766 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:22 [2020-12-01 17:52:58,834 INFO L348 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2020-12-01 17:52:58,835 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2020-12-01 17:52:58,842 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:52:58,852 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:52:58,853 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:52:58,855 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:36 [2020-12-01 17:52:59,055 INFO L348 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2020-12-01 17:52:59,056 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 2 case distinctions, treesize of input 55 treesize of output 46 [2020-12-01 17:52:59,060 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:52:59,074 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:52:59,086 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 17:52:59,086 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:59, output treesize:51 [2020-12-01 17:52:59,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:00,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:00,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 21 states and 52 transitions. [2020-12-01 17:53:00,118 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 52 transitions. [2020-12-01 17:53:00,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:53:00,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:00,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 27 conjunts are in the unsatisfiable core [2020-12-01 17:53:00,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:00,226 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 10 treesize of output 8 [2020-12-01 17:53:00,228 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:00,237 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:00,246 INFO L382 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 [2020-12-01 17:53:00,250 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:00,259 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:00,260 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:00,260 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:22 [2020-12-01 17:53:00,285 INFO L348 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2020-12-01 17:53:00,286 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2020-12-01 17:53:00,290 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:00,297 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:00,298 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:00,298 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:28 [2020-12-01 17:53:00,384 INFO L348 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2020-12-01 17:53:00,385 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 2 case distinctions, treesize of input 55 treesize of output 46 [2020-12-01 17:53:00,388 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:00,402 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:00,412 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 17:53:00,413 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:59, output treesize:51 [2020-12-01 17:53:00,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:00,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:00,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 22 states and 55 transitions. [2020-12-01 17:53:00,783 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 55 transitions. [2020-12-01 17:53:00,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:53:00,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:00,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 17:53:00,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:01,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:01,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 26 states and 62 transitions. [2020-12-01 17:53:01,312 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 62 transitions. [2020-12-01 17:53:01,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:53:01,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:01,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 17:53:01,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:01,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:02,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:02,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 29 states and 73 transitions. [2020-12-01 17:53:02,585 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 73 transitions. [2020-12-01 17:53:02,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:53:02,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:02,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 17:53:02,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:02,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:04,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:04,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 33 states and 87 transitions. [2020-12-01 17:53:04,080 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 87 transitions. [2020-12-01 17:53:04,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:53:04,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:04,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 41 conjunts are in the unsatisfiable core [2020-12-01 17:53:04,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:04,297 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 10 treesize of output 8 [2020-12-01 17:53:04,298 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:04,311 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:04,318 INFO L382 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 [2020-12-01 17:53:04,319 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:04,335 INFO L625 ElimStorePlain]: treesize reduction 4, result has 85.7 percent of original size [2020-12-01 17:53:04,336 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:04,336 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:24 [2020-12-01 17:53:04,420 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:53:04,422 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:53:04,427 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:53:04,446 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:04,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:04,449 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:04,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:04,460 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:04,461 INFO L382 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 54 [2020-12-01 17:53:04,463 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:04,469 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:53:04,470 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:04,477 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:53:04,477 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:04,483 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:53:04,483 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:04,520 INFO L625 ElimStorePlain]: treesize reduction 38, result has 61.6 percent of original size [2020-12-01 17:53:04,521 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:04,522 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:289, output treesize:61 [2020-12-01 17:53:04,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:04,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:04,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:04,638 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:04,639 INFO L382 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 3 case distinctions, treesize of input 51 treesize of output 54 [2020-12-01 17:53:04,641 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:04,676 INFO L625 ElimStorePlain]: treesize reduction 4, result has 93.0 percent of original size [2020-12-01 17:53:04,677 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:04,677 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:53 [2020-12-01 17:53:04,925 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:53:04,926 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:53:04,928 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:53:04,942 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:53:04,944 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:04,950 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:53:04,951 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:04,961 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:53:04,962 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:04,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:04,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:04,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:04,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:04,976 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:04,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:04,979 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:04,981 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:05,021 INFO L348 Elim1Store]: treesize reduction 24, result has 64.7 percent of original size [2020-12-01 17:53:05,021 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 92 treesize of output 130 [2020-12-01 17:53:05,032 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:05,111 INFO L625 ElimStorePlain]: treesize reduction 138, result has 49.1 percent of original size [2020-12-01 17:53:05,112 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:05,113 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:467, output treesize:133 [2020-12-01 17:53:05,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:05,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:05,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:05,298 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:05,299 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:05,322 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:05,322 INFO L382 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 11 case distinctions, treesize of input 101 treesize of output 108 [2020-12-01 17:53:05,328 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:05,364 INFO L625 ElimStorePlain]: treesize reduction 4, result has 94.3 percent of original size [2020-12-01 17:53:05,365 INFO L547 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. [2020-12-01 17:53:05,366 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:104, output treesize:66 [2020-12-01 17:53:05,677 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:53:05,679 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:53:05,694 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:08,665 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2020-12-01 17:53:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:09,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 38 states and 104 transitions. [2020-12-01 17:53:09,728 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 104 transitions. [2020-12-01 17:53:09,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:53:09,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:09,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 17:53:09,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:10,088 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:11,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:11,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 40 states and 117 transitions. [2020-12-01 17:53:11,658 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 117 transitions. [2020-12-01 17:53:11,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:53:11,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:11,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 29 conjunts are in the unsatisfiable core [2020-12-01 17:53:11,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:11,764 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 10 treesize of output 8 [2020-12-01 17:53:11,765 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:11,774 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:11,779 INFO L382 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 [2020-12-01 17:53:11,780 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:11,789 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:11,790 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:11,790 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:22 [2020-12-01 17:53:11,820 INFO L348 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2020-12-01 17:53:11,821 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2020-12-01 17:53:11,823 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:11,834 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:11,835 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:11,835 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:36 [2020-12-01 17:53:11,875 INFO L348 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2020-12-01 17:53:11,879 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 2 case distinctions, treesize of input 55 treesize of output 46 [2020-12-01 17:53:11,881 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:11,897 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:11,902 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 17:53:11,907 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:59, output treesize:61 [2020-12-01 17:53:12,202 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:53:12,212 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:53:12,213 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:53:12,220 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:53:12,221 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:53:12,229 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:53:12,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:14,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:14,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 45 states and 126 transitions. [2020-12-01 17:53:14,901 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 126 transitions. [2020-12-01 17:53:14,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:53:14,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:14,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 17:53:14,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:18,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:18,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 49 states and 136 transitions. [2020-12-01 17:53:18,530 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 136 transitions. [2020-12-01 17:53:18,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:53:18,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:18,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 47 conjunts are in the unsatisfiable core [2020-12-01 17:53:18,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:18,988 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 10 treesize of output 8 [2020-12-01 17:53:18,990 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:19,004 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:19,010 INFO L382 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 [2020-12-01 17:53:19,011 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:19,038 INFO L625 ElimStorePlain]: treesize reduction 4, result has 85.7 percent of original size [2020-12-01 17:53:19,039 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:19,039 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:24 [2020-12-01 17:53:19,047 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:53:19,048 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:53:19,049 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:53:19,060 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:19,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:19,063 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:19,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:19,074 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:19,074 INFO L382 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 54 [2020-12-01 17:53:19,076 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:19,082 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:53:19,083 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:19,092 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:53:19,093 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:19,097 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:53:19,098 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:19,125 INFO L625 ElimStorePlain]: treesize reduction 18, result has 72.3 percent of original size [2020-12-01 17:53:19,126 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:19,126 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:289, output treesize:47 [2020-12-01 17:53:19,215 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:53:19,215 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:53:19,217 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:53:19,229 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:53:19,229 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:19,233 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:53:19,234 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:19,237 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:53:19,238 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:19,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:19,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:19,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:19,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:19,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:19,247 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:19,251 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:19,252 INFO L382 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 3 case distinctions, treesize of input 85 treesize of output 74 [2020-12-01 17:53:19,258 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:19,296 INFO L625 ElimStorePlain]: treesize reduction 18, result has 83.3 percent of original size [2020-12-01 17:53:19,307 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:19,308 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:437, output treesize:90 [2020-12-01 17:53:19,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:19,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:19,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:19,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:19,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:19,567 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:19,568 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 68 [2020-12-01 17:53:19,570 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:19,614 INFO L625 ElimStorePlain]: treesize reduction 20, result has 78.3 percent of original size [2020-12-01 17:53:19,614 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:19,614 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:72, output treesize:72 [2020-12-01 17:53:20,044 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:53:20,045 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:53:20,046 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:53:20,057 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:53:20,057 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:20,062 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:53:20,062 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:20,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:53:20,069 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:20,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,079 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:20,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,084 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:20,086 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:20,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,138 INFO L348 Elim1Store]: treesize reduction 24, result has 64.7 percent of original size [2020-12-01 17:53:20,138 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 111 treesize of output 144 [2020-12-01 17:53:20,144 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:20,207 INFO L625 ElimStorePlain]: treesize reduction 104, result has 58.4 percent of original size [2020-12-01 17:53:20,208 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:20,208 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:543, output treesize:146 [2020-12-01 17:53:20,480 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:20,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,493 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:20,521 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:20,522 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 120 treesize of output 126 [2020-12-01 17:53:20,526 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:20,621 INFO L625 ElimStorePlain]: treesize reduction 66, result has 70.3 percent of original size [2020-12-01 17:53:20,622 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:20,623 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:129, output treesize:156 [2020-12-01 17:53:20,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,931 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:20,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:20,939 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:20,940 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:20,973 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:20,973 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 166 treesize of output 147 [2020-12-01 17:53:20,982 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:21,085 INFO L625 ElimStorePlain]: treesize reduction 75, result has 71.0 percent of original size [2020-12-01 17:53:21,087 INFO L547 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. [2020-12-01 17:53:21,087 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:169, output treesize:184 [2020-12-01 17:53:21,720 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-01 17:53:21,735 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:24,612 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2020-12-01 17:53:26,314 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-12-01 17:53:27,170 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-12-01 17:53:28,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:28,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 53 states and 149 transitions. [2020-12-01 17:53:28,243 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 149 transitions. [2020-12-01 17:53:28,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:53:28,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:28,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 17:53:28,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:29,087 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:31,145 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 53 [2020-12-01 17:53:31,719 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-12-01 17:53:32,793 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-12-01 17:53:33,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:33,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 57 states and 168 transitions. [2020-12-01 17:53:33,761 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 168 transitions. [2020-12-01 17:53:33,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:53:33,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:33,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 17:53:33,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:33,900 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:34,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 58 states and 168 transitions. [2020-12-01 17:53:34,430 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 168 transitions. [2020-12-01 17:53:34,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:53:34,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:34,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 17:53:34,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:35,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:35,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 59 states and 172 transitions. [2020-12-01 17:53:35,433 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 172 transitions. [2020-12-01 17:53:35,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:53:35,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:35,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 17:53:35,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:36,406 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:38,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 50 states and 124 transitions. [2020-12-01 17:53:38,393 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 124 transitions. [2020-12-01 17:53:38,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:53:38,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:38,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 43 conjunts are in the unsatisfiable core [2020-12-01 17:53:38,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:38,640 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 10 treesize of output 8 [2020-12-01 17:53:38,642 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:38,669 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:38,674 INFO L382 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 [2020-12-01 17:53:38,680 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:38,700 INFO L625 ElimStorePlain]: treesize reduction 4, result has 85.7 percent of original size [2020-12-01 17:53:38,700 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:38,700 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:24 [2020-12-01 17:53:38,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:38,716 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:38,717 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 40 [2020-12-01 17:53:38,719 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:38,752 INFO L625 ElimStorePlain]: treesize reduction 16, result has 70.9 percent of original size [2020-12-01 17:53:38,752 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:38,752 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:39 [2020-12-01 17:53:38,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:38,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:38,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:38,870 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:38,870 INFO L382 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 3 case distinctions, treesize of input 51 treesize of output 54 [2020-12-01 17:53:38,881 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:38,920 INFO L625 ElimStorePlain]: treesize reduction 4, result has 93.2 percent of original size [2020-12-01 17:53:38,920 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:38,920 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:55 [2020-12-01 17:53:39,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:39,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:39,052 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:39,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:39,074 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:39,075 INFO L382 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 7 case distinctions, treesize of input 70 treesize of output 88 [2020-12-01 17:53:39,081 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:39,132 INFO L625 ElimStorePlain]: treesize reduction 44, result has 62.4 percent of original size [2020-12-01 17:53:39,134 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:53:39,134 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:73 [2020-12-01 17:53:39,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:39,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:39,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:53:39,272 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:39,273 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:53:39,296 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:53:39,296 INFO L382 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 11 case distinctions, treesize of input 101 treesize of output 108 [2020-12-01 17:53:39,299 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:53:39,348 INFO L625 ElimStorePlain]: treesize reduction 8, result has 89.2 percent of original size [2020-12-01 17:53:39,350 INFO L547 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. [2020-12-01 17:53:39,350 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:104, output treesize:66 [2020-12-01 17:53:39,910 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:53:39,911 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 17:53:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:41,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:41,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 51 states and 126 transitions. [2020-12-01 17:53:41,483 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 126 transitions. [2020-12-01 17:53:41,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:53:41,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:41,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-01 17:53:41,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:42,563 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:45,109 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-12-01 17:53:50,012 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-12-01 17:53:51,247 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-12-01 17:53:51,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 56 states and 137 transitions. [2020-12-01 17:53:51,584 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 137 transitions. [2020-12-01 17:53:51,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:53:51,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:51,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 17:53:51,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:51,964 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:54:00,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:00,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 63 states and 148 transitions. [2020-12-01 17:54:00,690 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 148 transitions. [2020-12-01 17:54:00,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:54:00,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:02,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 49 conjunts are in the unsatisfiable core [2020-12-01 17:54:02,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:54:02,230 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 10 treesize of output 8 [2020-12-01 17:54:02,237 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:02,251 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:54:02,255 INFO L382 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 [2020-12-01 17:54:02,257 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:02,279 INFO L625 ElimStorePlain]: treesize reduction 4, result has 85.7 percent of original size [2020-12-01 17:54:02,282 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:54:02,282 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:24 [2020-12-01 17:54:02,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:54:02,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:54:02,306 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:54:02,316 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:54:02,317 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:02,324 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:54:02,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:02,328 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:54:02,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:02,341 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:54:02,342 INFO L382 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 54 [2020-12-01 17:54:02,344 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:02,350 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:54:02,351 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:02,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:54:02,357 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:02,407 INFO L625 ElimStorePlain]: treesize reduction 38, result has 61.6 percent of original size [2020-12-01 17:54:02,408 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:54:02,408 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:289, output treesize:61 [2020-12-01 17:54:02,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:02,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:02,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:02,426 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:54:02,426 INFO L382 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 3 case distinctions, treesize of input 51 treesize of output 54 [2020-12-01 17:54:02,428 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:02,469 INFO L625 ElimStorePlain]: treesize reduction 4, result has 92.2 percent of original size [2020-12-01 17:54:02,470 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:54:02,470 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:47 [2020-12-01 17:54:02,624 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:54:02,653 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:54:02,681 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-01 17:54:02,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:02,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:03,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:03,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:03,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:03,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:03,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:03,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:03,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:03,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:04,763 INFO L244 Elim1Store]: Index analysis took 1915 ms [2020-12-01 17:54:04,770 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:54:04,771 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 79 treesize of output 88 [2020-12-01 17:54:04,773 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:04,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:04,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:04,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:04,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:04,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:04,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:04,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:04,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:04,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:04,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:05,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:05,314 INFO L244 Elim1Store]: Index analysis took 522 ms [2020-12-01 17:54:05,323 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:54:05,324 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 80 treesize of output 89 [2020-12-01 17:54:05,327 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:05,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:05,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:05,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:05,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:05,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:05,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:05,387 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:54:05,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:05,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:05,494 INFO L244 Elim1Store]: Index analysis took 148 ms [2020-12-01 17:54:05,517 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:54:05,517 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 79 treesize of output 99 [2020-12-01 17:54:05,522 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:05,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:05,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:05,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:05,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:05,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:05,680 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-01 17:54:05,680 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:54:05,681 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 78 treesize of output 231 [2020-12-01 17:54:05,690 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:06,508 WARN L197 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 117 [2020-12-01 17:54:06,510 INFO L625 ElimStorePlain]: treesize reduction 237, result has 59.9 percent of original size [2020-12-01 17:54:06,529 INFO L547 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2020-12-01 17:54:06,529 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:461, output treesize:354 [2020-12-01 17:54:08,163 WARN L197 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 59 [2020-12-01 17:54:08,173 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:54:08,186 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:54:08,198 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:08,198 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-01 17:54:08,233 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-01 17:54:08,265 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 9 disjuncts [2020-12-01 17:54:09,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:09,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:11,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:12,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:13,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:19,877 INFO L244 Elim1Store]: Index analysis took 10849 ms [2020-12-01 17:54:20,012 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-01 17:54:20,012 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:54:20,013 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 64 treesize of output 227 [2020-12-01 17:54:20,029 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:20,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:20,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:21,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:21,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:22,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:22,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:23,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:23,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:24,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:24,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:29,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:29,506 INFO L244 Elim1Store]: Index analysis took 8759 ms [2020-12-01 17:54:29,514 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:54:29,515 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 84 [2020-12-01 17:54:29,541 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:29,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:29,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:29,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:29,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:29,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:29,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:30,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:30,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:30,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:30,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:30,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:30,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:30,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:35,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:35,064 INFO L244 Elim1Store]: Index analysis took 5413 ms [2020-12-01 17:54:35,066 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 102 [2020-12-01 17:54:35,069 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:35,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:35,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:35,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:35,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:35,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:35,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:35,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:35,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:35,880 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:54:37,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:37,742 INFO L244 Elim1Store]: Index analysis took 2526 ms [2020-12-01 17:54:37,768 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:54:37,768 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 65 treesize of output 95 [2020-12-01 17:54:37,770 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:37,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:38,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:38,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:38,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:38,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:38,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:38,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:38,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:38,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:38,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:39,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:39,881 INFO L244 Elim1Store]: Index analysis took 2008 ms [2020-12-01 17:54:39,889 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:54:39,889 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 85 [2020-12-01 17:54:39,900 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:39,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:39,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:39,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:40,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:40,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:40,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:40,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:40,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:40,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:40,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:40,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:40,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:40,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:40,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:40,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:41,117 INFO L244 Elim1Store]: Index analysis took 1166 ms [2020-12-01 17:54:41,143 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:54:41,143 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 156 [2020-12-01 17:54:41,146 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:41,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:41,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:41,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:41,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:41,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:41,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:41,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:41,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:41,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:41,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:41,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:41,974 INFO L244 Elim1Store]: Index analysis took 787 ms [2020-12-01 17:54:42,114 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-01 17:54:42,114 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:54:42,114 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 233 [2020-12-01 17:54:42,119 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:42,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:42,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:42,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:42,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:42,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:42,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:42,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:42,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:42,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:42,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:42,203 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:54:42,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:54:42,217 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:54:42,219 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 71 [2020-12-01 17:54:42,222 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-01 17:54:46,578 WARN L197 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 196 DAG size of output: 144 [2020-12-01 17:54:46,579 INFO L625 ElimStorePlain]: treesize reduction 594, result has 57.0 percent of original size [2020-12-01 17:54:46,590 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:54:46,604 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:54:46,613 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-01 17:54:46,790 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:54:46,803 INFO L547 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: 20 dim-0 vars, and 7 xjuncts. [2020-12-01 17:54:46,804 INFO L244 ElimStorePlain]: Needed 9 recursive calls to eliminate 11 variables, input treesize:1021, output treesize:786 [2020-12-01 17:54:46,816 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:54:46,826 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:54:46,836 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-01 17:54:46,983 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:54:46,993 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:55:18,716 WARN L197 SmtUtils]: Spent 29.02 s on a formula simplification. DAG size of input: 263 DAG size of output: 154 [2020-12-01 17:55:18,761 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:55:18,768 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:55:18,776 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-01 17:55:18,895 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:55:18,902 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 17:55:53,083 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000) stderr output: (error "out of memory") [2020-12-01 17:55:53,084 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.aggregateBenchmarkData(StatisticsData.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopStatisticsGenerator.addTraceCheckData(CegarLoopStatisticsGenerator.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:460) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-01 17:55:53,087 INFO L168 Benchmark]: Toolchain (without parser) took 177160.43 ms. Allocated memory was 92.3 MB in the beginning and 325.1 MB in the end (delta: 232.8 MB). Free memory was 64.3 MB in the beginning and 130.4 MB in the end (delta: -66.2 MB). Peak memory consumption was 166.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:53,087 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:55:53,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.22 ms. Allocated memory is still 92.3 MB. Free memory was 64.3 MB in the beginning and 69.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:53,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.46 ms. Allocated memory is still 92.3 MB. Free memory was 69.1 MB in the beginning and 67.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:53,088 INFO L168 Benchmark]: Boogie Preprocessor took 23.98 ms. Allocated memory is still 92.3 MB. Free memory was 67.4 MB in the beginning and 66.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:55:53,088 INFO L168 Benchmark]: RCFGBuilder took 743.52 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 66.0 MB in the beginning and 96.1 MB in the end (delta: -30.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:53,088 INFO L168 Benchmark]: CodeCheck took 176008.48 ms. Allocated memory was 121.6 MB in the beginning and 325.1 MB in the end (delta: 203.4 MB). Free memory was 95.6 MB in the beginning and 130.4 MB in the end (delta: -34.9 MB). Peak memory consumption was 168.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:53,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: NullPointerException: null: de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.aggregateBenchmarkData(StatisticsData.java:68) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 325.22 ms. Allocated memory is still 92.3 MB. Free memory was 64.3 MB in the beginning and 69.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.46 ms. Allocated memory is still 92.3 MB. Free memory was 69.1 MB in the beginning and 67.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.98 ms. Allocated memory is still 92.3 MB. Free memory was 67.4 MB in the beginning and 66.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 743.52 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 66.0 MB in the beginning and 96.1 MB in the end (delta: -30.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * CodeCheck took 176008.48 ms. Allocated memory was 121.6 MB in the beginning and 325.1 MB in the end (delta: 203.4 MB). Free memory was 95.6 MB in the beginning and 130.4 MB in the end (delta: -34.9 MB). Peak memory consumption was 168.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 17:55:55,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:55:55,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:55:55,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:55:55,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:55:55,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:55:55,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:55:55,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:55:55,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:55:55,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:55:55,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:55:55,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:55:55,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:55:55,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:55:55,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:55:55,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:55:55,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:55:55,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:55:55,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:55:55,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:55:55,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:55:55,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:55:55,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:55:55,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:55:55,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:55:55,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:55:55,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:55:55,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:55:55,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:55:55,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:55:55,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:55:55,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:55:55,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:55:55,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:55:55,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:55:55,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:55:55,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:55:55,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:55:55,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:55:55,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:55:55,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:55:55,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 17:55:55,595 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:55:55,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:55:55,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:55:55,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:55:55,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:55:55,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:55:55,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:55:55,601 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:55:55,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:55:55,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:55:55,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:55:55,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:55:55,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:55:55,603 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 17:55:55,603 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 17:55:55,603 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 17:55:55,603 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:55:55,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:55:55,604 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:55:55,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:55:55,604 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:55:55,605 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:55:55,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:55:55,605 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:55:55,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:55:55,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:55:55,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:55:55,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:55:55,606 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 17:55:55,606 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 17:55:55,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:55:55,607 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 17:55:55,607 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 17:55:55,608 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df2e40dd5334d958c7fe1aacbe2314394082184 [2020-12-01 17:55:55,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:55:56,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:55:56,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:55:56,023 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:55:56,024 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:55:56,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/../../sv-benchmarks/c/array-fpi/eqn1.c [2020-12-01 17:55:56,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/data/24b3777eb/252f0a95f14f4c30a16f217a441c4c44/FLAG215208bce [2020-12-01 17:55:56,627 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:55:56,628 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/sv-benchmarks/c/array-fpi/eqn1.c [2020-12-01 17:55:56,641 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/data/24b3777eb/252f0a95f14f4c30a16f217a441c4c44/FLAG215208bce [2020-12-01 17:55:56,986 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/bin/ukojak/data/24b3777eb/252f0a95f14f4c30a16f217a441c4c44 [2020-12-01 17:55:56,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:55:56,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:55:56,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:55:56,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:55:56,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:55:56,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:55:56" (1/1) ... [2020-12-01 17:55:56,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b12bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:56, skipping insertion in model container [2020-12-01 17:55:57,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:55:56" (1/1) ... [2020-12-01 17:55:57,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:55:57,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:55:57,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:55:57,207 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:55:57,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:55:57,278 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:55:57,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:57 WrapperNode [2020-12-01 17:55:57,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:55:57,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:55:57,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:55:57,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:55:57,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:57" (1/1) ... [2020-12-01 17:55:57,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:57" (1/1) ... [2020-12-01 17:55:57,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:55:57,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:55:57,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:55:57,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:55:57,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:57" (1/1) ... [2020-12-01 17:55:57,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:57" (1/1) ... [2020-12-01 17:55:57,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:57" (1/1) ... [2020-12-01 17:55:57,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:57" (1/1) ... [2020-12-01 17:55:57,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:57" (1/1) ... [2020-12-01 17:55:57,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:57" (1/1) ... [2020-12-01 17:55:57,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:57" (1/1) ... [2020-12-01 17:55:57,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:55:57,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:55:57,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:55:57,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:55:57,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:55:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8bf17f4b-2e4e-4743-ab61-f87ab192ab86/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 17:55:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 17:55:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:55:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2020-12-01 17:55:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 17:55:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:55:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:55:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2020-12-01 17:55:58,246 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:55:58,246 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 17:55:58,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:55:58 BoogieIcfgContainer [2020-12-01 17:55:58,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:55:58,250 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:55:58,250 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:55:58,261 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:55:58,261 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:55:58" (1/1) ... [2020-12-01 17:55:58,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:55:58,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:58,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2020-12-01 17:55:58,307 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2020-12-01 17:55:58,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:55:58,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:58,355 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-01 17:55:58,360 INFO L168 Benchmark]: Toolchain (without parser) took 1367.87 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 43.3 MB in the beginning and 54.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:58,361 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 62.9 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:55:58,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.36 ms. Allocated memory is still 62.9 MB. Free memory was 43.1 MB in the beginning and 45.1 MB in the end (delta: -2.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:58,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.46 ms. Allocated memory is still 62.9 MB. Free memory was 45.1 MB in the beginning and 43.4 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:55:58,363 INFO L168 Benchmark]: Boogie Preprocessor took 65.41 ms. Allocated memory is still 62.9 MB. Free memory was 43.4 MB in the beginning and 41.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:58,364 INFO L168 Benchmark]: RCFGBuilder took 837.44 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 41.9 MB in the beginning and 59.4 MB in the end (delta: -17.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:58,365 INFO L168 Benchmark]: CodeCheck took 107.82 ms. Allocated memory is still 83.9 MB. Free memory was 59.4 MB in the beginning and 54.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:58,369 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 62.9 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 287.36 ms. Allocated memory is still 62.9 MB. Free memory was 43.1 MB in the beginning and 45.1 MB in the end (delta: -2.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.46 ms. Allocated memory is still 62.9 MB. Free memory was 45.1 MB in the beginning and 43.4 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.41 ms. Allocated memory is still 62.9 MB. Free memory was 43.4 MB in the beginning and 41.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 837.44 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 41.9 MB in the beginning and 59.4 MB in the end (delta: -17.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. * CodeCheck took 107.82 ms. Allocated memory is still 83.9 MB. Free memory was 59.4 MB in the beginning and 54.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...