./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn4.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_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn4.c -s /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/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 30192b5b0c1eb564e0de6a5c7a5fdad0c55c7aa4 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn4.c -s /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/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 30192b5b0c1eb564e0de6a5c7a5fdad0c55c7aa4 ................................................................................................................................................................................................................... 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 18:26:21,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:26:21,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:26:21,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:26:21,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:26:21,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:26:21,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:26:21,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:26:21,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:26:21,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:26:21,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:26:21,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:26:21,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:26:21,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:26:21,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:26:21,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:26:21,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:26:21,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:26:21,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:26:21,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:26:21,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:26:21,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:26:21,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:26:21,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:26:21,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:26:21,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:26:21,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:26:21,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:26:21,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:26:21,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:26:21,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:26:21,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:26:21,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:26:21,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:26:21,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:26:21,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:26:21,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:26:21,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:26:21,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:26:21,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:26:21,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:26:21,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:26:21,328 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:26:21,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:26:21,330 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:26:21,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:26:21,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:26:21,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:26:21,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:26:21,331 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:26:21,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:26:21,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:26:21,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:26:21,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:26:21,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:26:21,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:26:21,333 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:26:21,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:26:21,334 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:26:21,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:26:21,334 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:26:21,334 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:26:21,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:26:21,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:26:21,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:26:21,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:26:21,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:26:21,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:26:21,336 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:26:21,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:26:21,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:26:21,336 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_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30192b5b0c1eb564e0de6a5c7a5fdad0c55c7aa4 [2020-12-01 18:26:21,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:26:21,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:26:21,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:26:21,720 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:26:21,722 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:26:21,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/../../sv-benchmarks/c/array-fpi/eqn4.c [2020-12-01 18:26:21,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/data/2e7bc9476/c32f1ea846ac4b1b95ccf500faa5e71f/FLAGd48ff396e [2020-12-01 18:26:22,370 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:26:22,371 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/sv-benchmarks/c/array-fpi/eqn4.c [2020-12-01 18:26:22,380 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/data/2e7bc9476/c32f1ea846ac4b1b95ccf500faa5e71f/FLAGd48ff396e [2020-12-01 18:26:22,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/data/2e7bc9476/c32f1ea846ac4b1b95ccf500faa5e71f [2020-12-01 18:26:22,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:26:22,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:26:22,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:26:22,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:26:22,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:26:22,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:26:22" (1/1) ... [2020-12-01 18:26:22,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4aff27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:26:22, skipping insertion in model container [2020-12-01 18:26:22,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:26:22" (1/1) ... [2020-12-01 18:26:22,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:26:22,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:26:22,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:26:22,963 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:26:22,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:26:22,999 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:26:23,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:26:23 WrapperNode [2020-12-01 18:26:23,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:26:23,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:26:23,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:26:23,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:26:23,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:26:23" (1/1) ... [2020-12-01 18:26:23,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:26:23" (1/1) ... [2020-12-01 18:26:23,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:26:23,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:26:23,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:26:23,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:26:23,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:26:23" (1/1) ... [2020-12-01 18:26:23,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:26:23" (1/1) ... [2020-12-01 18:26:23,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:26:23" (1/1) ... [2020-12-01 18:26:23,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:26:23" (1/1) ... [2020-12-01 18:26:23,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:26:23" (1/1) ... [2020-12-01 18:26:23,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:26:23" (1/1) ... [2020-12-01 18:26:23,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:26:23" (1/1) ... [2020-12-01 18:26:23,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:26:23,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:26:23,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:26:23,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:26:23,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:26:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/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 18:26:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:26:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:26:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 18:26:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 18:26:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:26:23,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:26:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 18:26:23,639 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:26:23,640 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 18:26:23,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:26:23 BoogieIcfgContainer [2020-12-01 18:26:23,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:26:23,643 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:26:23,644 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:26:23,671 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:26:23,672 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:26:23" (1/1) ... [2020-12-01 18:26:23,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:26:23,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2020-12-01 18:26:23,754 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2020-12-01 18:26:23,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 18:26:23,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:23,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-01 18:26:23,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:26:24,170 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:24,172 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 18:26:24,191 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:24,258 INFO L625 ElimStorePlain]: treesize reduction 16, result has 64.4 percent of original size [2020-12-01 18:26:24,281 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 18:26:24,282 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:14 [2020-12-01 18:26:24,434 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 18:26:24,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:24,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 15 states and 28 transitions. [2020-12-01 18:26:24,595 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 28 transitions. [2020-12-01 18:26:24,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:26:24,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:24,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 18:26:24,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:26:24,823 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 18:26:25,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 16 states and 32 transitions. [2020-12-01 18:26:25,033 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 32 transitions. [2020-12-01 18:26:25,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:26:25,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:25,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 18:26:25,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:26:25,161 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 18:26:25,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:25,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2020-12-01 18:26:25,674 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2020-12-01 18:26:25,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:26:25,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:25,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 27 conjunts are in the unsatisfiable core [2020-12-01 18:26:25,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:26:25,792 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 18:26:25,795 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:25,804 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:25,809 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 18:26:25,811 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:25,819 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:25,820 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 18:26:25,821 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:22 [2020-12-01 18:26:25,879 INFO L348 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2020-12-01 18:26:25,880 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 18:26:25,882 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:25,893 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:25,893 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 18:26:25,894 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:34 [2020-12-01 18:26:26,052 INFO L348 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2020-12-01 18:26:26,052 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 53 treesize of output 46 [2020-12-01 18:26:26,055 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:26,069 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:26,073 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 18:26:26,073 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:57, output treesize:53 [2020-12-01 18:26:26,329 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 18:26:27,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:27,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 21 states and 52 transitions. [2020-12-01 18:26:27,280 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 52 transitions. [2020-12-01 18:26:27,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:26:27,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:27,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 35 conjunts are in the unsatisfiable core [2020-12-01 18:26:27,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:26:27,427 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 18:26:27,432 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:27,449 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:27,459 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 18:26:27,461 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:27,480 INFO L625 ElimStorePlain]: treesize reduction 4, result has 85.7 percent of original size [2020-12-01 18:26:27,483 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 18:26:27,483 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:24 [2020-12-01 18:26:27,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:27,566 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:27,566 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 18:26:27,569 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:27,592 INFO L625 ElimStorePlain]: treesize reduction 4, result has 88.2 percent of original size [2020-12-01 18:26:27,592 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 18:26:27,593 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:30 [2020-12-01 18:26:27,758 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:27,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:27,779 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:27,780 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 4 case distinctions, treesize of input 45 treesize of output 68 [2020-12-01 18:26:27,798 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:27,824 INFO L625 ElimStorePlain]: treesize reduction 22, result has 64.5 percent of original size [2020-12-01 18:26:27,828 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 18:26:27,829 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:48, output treesize:40 [2020-12-01 18:26:28,050 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 18:26:29,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:29,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 24 states and 62 transitions. [2020-12-01 18:26:29,352 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 62 transitions. [2020-12-01 18:26:29,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:26:29,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:29,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 18:26:29,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:26:29,496 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 18:26:30,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:30,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 28 states and 69 transitions. [2020-12-01 18:26:30,108 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 69 transitions. [2020-12-01 18:26:30,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:26:30,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:30,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 18:26:30,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:26:30,381 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 18:26:31,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:31,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 31 states and 80 transitions. [2020-12-01 18:26:31,546 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 80 transitions. [2020-12-01 18:26:31,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:26:31,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:31,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 18:26:31,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:26:31,790 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 18:26:33,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:33,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 35 states and 94 transitions. [2020-12-01 18:26:33,348 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 94 transitions. [2020-12-01 18:26:33,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:26:33,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:33,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 41 conjunts are in the unsatisfiable core [2020-12-01 18:26:33,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:26:33,688 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 18:26:33,689 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:33,716 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:33,725 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 18:26:33,727 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:33,760 INFO L625 ElimStorePlain]: treesize reduction 4, result has 85.7 percent of original size [2020-12-01 18:26:33,761 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 18:26:33,762 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:24 [2020-12-01 18:26:33,778 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 18:26:33,779 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 18:26:33,784 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 18:26:33,800 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:26:33,801 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:33,812 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:26:33,813 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:33,820 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:26:33,822 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:33,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:33,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:33,834 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:33,857 INFO L348 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2020-12-01 18:26:33,858 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 3 case distinctions, treesize of input 48 treesize of output 64 [2020-12-01 18:26:33,864 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:33,922 INFO L625 ElimStorePlain]: treesize reduction 39, result has 61.0 percent of original size [2020-12-01 18:26:33,923 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 18:26:33,924 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:289, output treesize:61 [2020-12-01 18:26:34,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:34,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:34,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:34,093 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:34,093 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 53 treesize of output 54 [2020-12-01 18:26:34,097 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:34,120 INFO L625 ElimStorePlain]: treesize reduction 16, result has 70.9 percent of original size [2020-12-01 18:26:34,125 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 18:26:34,125 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:39 [2020-12-01 18:26:34,403 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 18:26:34,407 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 18:26:34,414 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 18:26:34,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:34,437 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:34,445 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:34,451 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:34,463 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:34,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:34,470 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:34,492 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:34,493 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 4 new quantified variables, introduced 9 case distinctions, treesize of input 78 treesize of output 106 [2020-12-01 18:26:34,498 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:34,505 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:26:34,506 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:34,512 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:26:34,513 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:34,520 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:26:34,522 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:34,575 INFO L625 ElimStorePlain]: treesize reduction 90, result has 52.4 percent of original size [2020-12-01 18:26:34,576 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 18:26:34,577 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:411, output treesize:99 [2020-12-01 18:26:34,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:34,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:34,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:34,786 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:34,787 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:34,829 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:34,829 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 73 treesize of output 100 [2020-12-01 18:26:34,837 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:34,882 INFO L625 ElimStorePlain]: treesize reduction 8, result has 89.2 percent of original size [2020-12-01 18:26:34,886 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 18:26:34,886 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:76, output treesize:66 [2020-12-01 18:26:35,345 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 18:26:35,347 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 18:26:35,358 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 18:26:38,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:38,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 38 states and 104 transitions. [2020-12-01 18:26:38,183 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 104 transitions. [2020-12-01 18:26:38,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:26:38,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:38,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 18:26:38,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:26:38,681 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 18:26:40,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:40,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 40 states and 118 transitions. [2020-12-01 18:26:40,510 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 118 transitions. [2020-12-01 18:26:40,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:26:40,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:40,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 37 conjunts are in the unsatisfiable core [2020-12-01 18:26:40,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:26:40,634 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 18:26:40,636 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:40,648 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:40,652 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 18:26:40,653 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:40,670 INFO L625 ElimStorePlain]: treesize reduction 4, result has 85.7 percent of original size [2020-12-01 18:26:40,670 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 18:26:40,670 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:24 [2020-12-01 18:26:40,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:40,690 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:40,691 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 18:26:40,693 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:40,721 INFO L625 ElimStorePlain]: treesize reduction 20, result has 65.5 percent of original size [2020-12-01 18:26:40,722 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 18:26:40,723 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:38 [2020-12-01 18:26:40,827 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:40,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:40,859 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:40,860 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 4 case distinctions, treesize of input 45 treesize of output 68 [2020-12-01 18:26:40,864 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:40,893 INFO L625 ElimStorePlain]: treesize reduction 22, result has 65.6 percent of original size [2020-12-01 18:26:40,895 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 18:26:40,895 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:48, output treesize:42 [2020-12-01 18:26:41,257 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 18:26:41,260 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 18:26:41,269 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 18:26:44,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:44,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 45 states and 127 transitions. [2020-12-01 18:26:44,233 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 127 transitions. [2020-12-01 18:26:44,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:26:44,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:44,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 18:26:44,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:26:44,804 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 18:26:48,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:48,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 49 states and 137 transitions. [2020-12-01 18:26:48,072 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 137 transitions. [2020-12-01 18:26:48,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:26:48,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:48,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 47 conjunts are in the unsatisfiable core [2020-12-01 18:26:48,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:26:48,757 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 18:26:48,759 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:48,769 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:48,773 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 18:26:48,774 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:48,792 INFO L625 ElimStorePlain]: treesize reduction 4, result has 85.7 percent of original size [2020-12-01 18:26:48,793 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 18:26:48,793 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:24 [2020-12-01 18:26:48,798 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 18:26:48,798 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 18:26:48,800 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 18:26:48,819 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:26:48,820 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:48,827 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:48,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:48,830 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:48,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:48,842 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:48,843 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 18:26:48,845 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:48,853 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:26:48,854 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:48,860 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:26:48,861 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:48,914 INFO L625 ElimStorePlain]: treesize reduction 40, result has 60.4 percent of original size [2020-12-01 18:26:48,915 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 18:26:48,915 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:289, output treesize:61 [2020-12-01 18:26:48,925 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 18:26:48,926 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 18:26:48,928 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 18:26:48,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:26:48,940 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:48,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:48,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:48,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:48,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:48,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:48,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:48,964 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:48,969 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:48,969 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 74 [2020-12-01 18:26:48,971 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:48,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:26:48,976 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:48,981 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:26:48,981 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:49,019 INFO L625 ElimStorePlain]: treesize reduction 40, result has 69.2 percent of original size [2020-12-01 18:26:49,020 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 18:26:49,020 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:437, output treesize:90 [2020-12-01 18:26:49,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:49,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:49,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:49,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:49,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:49,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:49,285 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:49,286 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 70 treesize of output 68 [2020-12-01 18:26:49,291 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:49,334 INFO L625 ElimStorePlain]: treesize reduction 20, result has 78.3 percent of original size [2020-12-01 18:26:49,335 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 18:26:49,335 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2020-12-01 18:26:49,828 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 18:26:49,829 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 18:26:49,831 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 18:26:49,844 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:26:49,845 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:49,852 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:26:49,853 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:49,858 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:26:49,859 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:49,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:49,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:49,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:49,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:49,869 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:49,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:49,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:49,874 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:49,875 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:49,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:49,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:49,939 INFO L348 Elim1Store]: treesize reduction 24, result has 64.7 percent of original size [2020-12-01 18:26:49,939 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 18:26:49,956 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:50,040 INFO L625 ElimStorePlain]: treesize reduction 82, result has 62.7 percent of original size [2020-12-01 18:26:50,042 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 18:26:50,042 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:543, output treesize:138 [2020-12-01 18:26:50,369 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:50,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:50,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:50,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:50,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:50,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:50,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:50,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:50,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:50,381 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:50,409 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:50,409 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 18:26:50,416 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:50,496 INFO L625 ElimStorePlain]: treesize reduction 72, result has 63.5 percent of original size [2020-12-01 18:26:50,498 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 18:26:50,501 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:129, output treesize:125 [2020-12-01 18:26:50,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:50,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:50,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:50,811 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:50,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:50,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:50,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:50,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:50,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:26:50,820 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:50,821 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:26:50,867 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:26:50,868 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 127 treesize of output 140 [2020-12-01 18:26:50,876 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:26:50,975 INFO L625 ElimStorePlain]: treesize reduction 34, result has 78.8 percent of original size [2020-12-01 18:26:50,978 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 18:26:50,979 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:130, output treesize:126 [2020-12-01 18:26:51,648 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 18:26:56,068 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-12-01 18:26:56,904 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-01 18:26:57,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:57,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 53 states and 150 transitions. [2020-12-01 18:26:57,941 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 150 transitions. [2020-12-01 18:26:57,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:26:57,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:57,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 18:26:57,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:26:58,882 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 18:27:01,451 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 51 [2020-12-01 18:27:02,084 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-12-01 18:27:03,218 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-12-01 18:27:04,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:04,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 57 states and 169 transitions. [2020-12-01 18:27:04,158 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 169 transitions. [2020-12-01 18:27:04,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:27:04,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:04,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 18:27:04,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:27:04,275 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 18:27:05,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:05,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 59 states and 174 transitions. [2020-12-01 18:27:05,583 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 174 transitions. [2020-12-01 18:27:05,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:27:05,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:05,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 18:27:05,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:27:06,485 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 18:27:08,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:08,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 60 states and 178 transitions. [2020-12-01 18:27:08,569 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 178 transitions. [2020-12-01 18:27:08,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:27:08,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:08,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 18:27:08,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:27:09,417 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 18:27:11,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:11,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 61 states and 181 transitions. [2020-12-01 18:27:11,362 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 181 transitions. [2020-12-01 18:27:11,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:27:11,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:11,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 43 conjunts are in the unsatisfiable core [2020-12-01 18:27:11,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:27:11,692 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 18:27:11,697 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:11,714 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:27:11,721 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 18:27:11,722 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:11,750 INFO L625 ElimStorePlain]: treesize reduction 4, result has 85.7 percent of original size [2020-12-01 18:27:11,751 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 18:27:11,751 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:24 [2020-12-01 18:27:11,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:11,772 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:27:11,773 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 18:27:11,775 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:11,823 INFO L625 ElimStorePlain]: treesize reduction 4, result has 91.1 percent of original size [2020-12-01 18:27:11,824 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 18:27:11,824 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:41 [2020-12-01 18:27:11,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:11,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:11,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:11,968 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:27:11,968 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 53 treesize of output 54 [2020-12-01 18:27:11,972 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:12,003 INFO L625 ElimStorePlain]: treesize reduction 4, result has 92.7 percent of original size [2020-12-01 18:27:12,006 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 18:27:12,006 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:51 [2020-12-01 18:27:12,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:12,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:12,182 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:27:12,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:12,208 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:27:12,209 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 56 treesize of output 84 [2020-12-01 18:27:12,211 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:12,263 INFO L625 ElimStorePlain]: treesize reduction 44, result has 61.1 percent of original size [2020-12-01 18:27:12,264 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 18:27:12,264 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:69 [2020-12-01 18:27:12,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:12,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:12,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:12,424 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:27:12,425 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:27:12,455 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:27:12,455 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 73 treesize of output 100 [2020-12-01 18:27:12,458 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:12,523 INFO L625 ElimStorePlain]: treesize reduction 60, result has 57.7 percent of original size [2020-12-01 18:27:12,524 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 18:27:12,524 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:76, output treesize:82 [2020-12-01 18:27:13,105 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 18:27:13,107 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 18:27:13,121 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 18:27:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 62 states and 183 transitions. [2020-12-01 18:27:15,019 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 183 transitions. [2020-12-01 18:27:15,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:27:15,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:15,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-01 18:27:15,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:27:16,278 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 18:27:22,814 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-12-01 18:27:24,163 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-12-01 18:27:24,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:24,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 67 states and 194 transitions. [2020-12-01 18:27:24,635 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 194 transitions. [2020-12-01 18:27:24,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:27:24,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:24,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 18:27:24,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:27:24,991 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 18:27:33,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:33,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 74 states and 205 transitions. [2020-12-01 18:27:33,113 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 205 transitions. [2020-12-01 18:27:33,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:27:33,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:34,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 41 conjunts are in the unsatisfiable core [2020-12-01 18:27:34,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 18:27:34,736 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 18:27:34,738 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:34,752 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:27:34,758 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 18:27:34,759 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:34,769 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:27:34,770 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 18:27:34,770 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:22 [2020-12-01 18:27:34,777 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 18:27:34,777 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 18:27:34,778 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 18:27:34,790 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:27:34,791 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:34,797 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:27:34,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:34,800 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:27:34,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:34,807 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 46 [2020-12-01 18:27:34,809 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:34,816 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:27:34,818 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:34,824 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 18:27:34,825 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:34,869 INFO L625 ElimStorePlain]: treesize reduction 14, result has 80.8 percent of original size [2020-12-01 18:27:34,870 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 18:27:34,870 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:281, output treesize:59 [2020-12-01 18:27:35,369 INFO L348 Elim1Store]: treesize reduction 60, result has 22.1 percent of original size [2020-12-01 18:27:35,370 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 3 case distinctions, treesize of input 53 treesize of output 46 [2020-12-01 18:27:35,374 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:35,395 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:27:35,396 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 18:27:35,396 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:53 [2020-12-01 18:27:35,957 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 18:27:35,991 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 18:27:36,017 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-01 18:27:36,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:36,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:36,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:36,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:36,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:36,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:36,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:36,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:36,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:36,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:38,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:38,491 INFO L244 Elim1Store]: Index analysis took 2287 ms [2020-12-01 18:27:38,493 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 81 [2020-12-01 18:27:38,496 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:38,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:38,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:38,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:38,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:38,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:38,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:38,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:38,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:38,659 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:27:39,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,168 INFO L244 Elim1Store]: Index analysis took 638 ms [2020-12-01 18:27:39,171 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 73 [2020-12-01 18:27:39,174 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:39,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,488 INFO L244 Elim1Store]: Index analysis took 292 ms [2020-12-01 18:27:39,634 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-01 18:27:39,635 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:27:39,635 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 80 treesize of output 205 [2020-12-01 18:27:39,649 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:39,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:39,728 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 0 case distinctions, treesize of input 81 treesize of output 80 [2020-12-01 18:27:39,732 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 18:27:40,601 WARN L197 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 115 [2020-12-01 18:27:40,610 INFO L625 ElimStorePlain]: treesize reduction 196, result has 64.1 percent of original size [2020-12-01 18:27:40,624 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 18:27:40,625 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:461, output treesize:350 [2020-12-01 18:27:42,407 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 52 [2020-12-01 18:27:42,420 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 18:27:42,439 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 18:27:42,455 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 18:27:42,461 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-01 18:27:42,505 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 9 disjuncts [2020-12-01 18:27:42,592 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-01 18:27:43,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:43,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:43,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:45,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:45,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:47,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:48,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:48,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:49,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:27:49,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:01,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:01,945 INFO L244 Elim1Store]: Index analysis took 18797 ms [2020-12-01 18:28:02,076 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-01 18:28:02,077 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:28:02,077 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 85 treesize of output 231 [2020-12-01 18:28:02,088 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 18:28:03,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:03,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:03,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:03,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:04,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:04,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:04,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:04,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:04,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:05,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:10,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:13,202 INFO L244 Elim1Store]: Index analysis took 10233 ms [2020-12-01 18:28:13,205 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 77 [2020-12-01 18:28:13,208 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 18:28:13,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:13,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:14,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:14,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:14,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:14,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:14,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:14,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:14,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:14,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:14,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:15,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:15,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:16,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:19,272 INFO L244 Elim1Store]: Index analysis took 5554 ms [2020-12-01 18:28:19,312 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:28:19,312 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 87 treesize of output 154 [2020-12-01 18:28:19,317 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 18:28:19,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:19,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:19,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:19,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:19,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:19,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:19,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:19,983 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:28:22,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:22,473 INFO L244 Elim1Store]: Index analysis took 2987 ms [2020-12-01 18:28:22,476 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 69 [2020-12-01 18:28:22,482 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 18:28:22,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:22,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:22,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:23,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:23,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:23,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:23,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:23,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:23,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:23,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:26,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:26,268 INFO L244 Elim1Store]: Index analysis took 3614 ms [2020-12-01 18:28:26,271 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 76 [2020-12-01 18:28:26,280 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-01 18:28:26,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:26,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:26,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:26,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:26,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:26,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:26,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:26,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:26,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:26,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:26,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:26,668 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:28:26,708 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:28:28,257 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 18:28:28,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:28,334 INFO L244 Elim1Store]: Index analysis took 2004 ms [2020-12-01 18:28:28,337 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 69 [2020-12-01 18:28:28,340 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-01 18:28:28,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:28,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:28,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:28,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:28,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:28,882 INFO L244 Elim1Store]: Index analysis took 507 ms [2020-12-01 18:28:29,102 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-01 18:28:29,103 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 18:28:29,104 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 64 treesize of output 199 [2020-12-01 18:28:29,116 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-01 18:28:29,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:29,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:29,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:29,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:29,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:29,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:29,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:29,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:29,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:29,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:29,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:29,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:29,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:29,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:29,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 18:28:29,371 INFO L244 Elim1Store]: Index analysis took 220 ms [2020-12-01 18:28:29,376 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 0 case distinctions, treesize of input 86 treesize of output 100 [2020-12-01 18:28:29,384 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-01 18:28:33,255 WARN L197 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 185 DAG size of output: 140 [2020-12-01 18:28:33,257 INFO L625 ElimStorePlain]: treesize reduction 512, result has 59.6 percent of original size [2020-12-01 18:28:33,277 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 18:28:33,286 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 18:28:33,312 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 18:28:33,324 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 18:28:33,335 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-01 18:28:33,550 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 18:28:33,551 INFO L244 ElimStorePlain]: Needed 9 recursive calls to eliminate 11 variables, input treesize:957, output treesize:756 [2020-12-01 18:28:33,565 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 18:28:33,568 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 18:28:33,588 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 18:28:33,598 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 18:28:33,617 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 18:28:33,629 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 18:28:33,642 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-01 18:29:10,792 WARN L197 SmtUtils]: Spent 21.07 s on a formula simplification. DAG size of input: 261 DAG size of output: 152 [2020-12-01 18:29:10,823 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 18:29:10,832 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 18:29:10,841 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 18:29:10,847 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 18:29:10,852 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-01 18:29:10,971 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 18:29:10,976 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 18:31:33,643 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000) stderr output: (error "out of memory") [2020-12-01 18:31:33,645 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 18:31:33,651 INFO L168 Benchmark]: Toolchain (without parser) took 310935.54 ms. Allocated memory was 96.5 MB in the beginning and 360.7 MB in the end (delta: 264.2 MB). Free memory was 60.3 MB in the beginning and 171.5 MB in the end (delta: -111.2 MB). Peak memory consumption was 151.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:31:33,651 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 96.5 MB. Free memory is still 76.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:31:33,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.81 ms. Allocated memory is still 96.5 MB. Free memory was 60.2 MB in the beginning and 72.1 MB in the end (delta: -11.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:31:33,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.87 ms. Allocated memory is still 96.5 MB. Free memory was 72.1 MB in the beginning and 70.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:31:33,653 INFO L168 Benchmark]: Boogie Preprocessor took 37.93 ms. Allocated memory is still 96.5 MB. Free memory was 70.2 MB in the beginning and 69.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:31:33,653 INFO L168 Benchmark]: RCFGBuilder took 543.40 ms. Allocated memory is still 96.5 MB. Free memory was 69.1 MB in the beginning and 45.7 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:31:33,654 INFO L168 Benchmark]: CodeCheck took 310004.46 ms. Allocated memory was 96.5 MB in the beginning and 360.7 MB in the end (delta: 264.2 MB). Free memory was 45.7 MB in the beginning and 171.5 MB in the end (delta: -125.8 MB). Peak memory consumption was 139.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:31:33,657 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 0.44 ms. Allocated memory is still 96.5 MB. Free memory is still 76.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 285.81 ms. Allocated memory is still 96.5 MB. Free memory was 60.2 MB in the beginning and 72.1 MB in the end (delta: -11.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.87 ms. Allocated memory is still 96.5 MB. Free memory was 72.1 MB in the beginning and 70.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.93 ms. Allocated memory is still 96.5 MB. Free memory was 70.2 MB in the beginning and 69.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 543.40 ms. Allocated memory is still 96.5 MB. Free memory was 69.1 MB in the beginning and 45.7 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * CodeCheck took 310004.46 ms. Allocated memory was 96.5 MB in the beginning and 360.7 MB in the end (delta: 264.2 MB). Free memory was 45.7 MB in the beginning and 171.5 MB in the end (delta: -125.8 MB). Peak memory consumption was 139.0 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 18:31:36,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:31:36,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:31:36,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:31:36,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:31:36,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:31:36,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:31:36,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:31:36,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:31:36,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:31:36,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:31:36,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:31:36,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:31:36,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:31:36,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:31:36,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:31:36,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:31:36,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:31:36,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:31:36,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:31:36,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:31:36,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:31:36,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:31:36,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:31:36,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:31:36,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:31:36,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:31:36,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:31:36,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:31:36,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:31:36,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:31:36,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:31:36,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:31:36,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:31:36,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:31:36,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:31:36,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:31:36,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:31:36,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:31:36,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:31:36,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:31:36,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 18:31:36,735 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:31:36,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:31:36,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:31:36,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:31:36,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:31:36,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:31:36,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:31:36,738 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:31:36,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:31:36,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:31:36,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:31:36,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:31:36,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:31:36,740 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 18:31:36,740 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 18:31:36,741 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 18:31:36,741 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:31:36,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:31:36,741 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:31:36,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:31:36,742 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:31:36,742 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:31:36,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:31:36,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:31:36,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:31:36,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:31:36,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:31:36,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:31:36,744 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 18:31:36,744 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 18:31:36,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:31:36,745 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 18:31:36,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 18:31:36,745 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_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30192b5b0c1eb564e0de6a5c7a5fdad0c55c7aa4 [2020-12-01 18:31:37,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:31:37,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:31:37,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:31:37,280 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:31:37,281 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:31:37,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/../../sv-benchmarks/c/array-fpi/eqn4.c [2020-12-01 18:31:37,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/data/b2e8438d9/dd3ac7c11cf643e8ae3e0c70c7b33015/FLAGb581f2554 [2020-12-01 18:31:38,146 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:31:38,147 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/sv-benchmarks/c/array-fpi/eqn4.c [2020-12-01 18:31:38,155 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/data/b2e8438d9/dd3ac7c11cf643e8ae3e0c70c7b33015/FLAGb581f2554 [2020-12-01 18:31:38,410 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/bin/ukojak/data/b2e8438d9/dd3ac7c11cf643e8ae3e0c70c7b33015 [2020-12-01 18:31:38,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:31:38,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:31:38,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:31:38,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:31:38,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:31:38,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:31:38" (1/1) ... [2020-12-01 18:31:38,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a58218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:38, skipping insertion in model container [2020-12-01 18:31:38,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:31:38" (1/1) ... [2020-12-01 18:31:38,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:31:38,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:31:38,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:31:38,680 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:31:38,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:31:38,733 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:31:38,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:38 WrapperNode [2020-12-01 18:31:38,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:31:38,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:31:38,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:31:38,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:31:38,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:38" (1/1) ... [2020-12-01 18:31:38,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:38" (1/1) ... [2020-12-01 18:31:38,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:31:38,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:31:38,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:31:38,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:31:38,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:38" (1/1) ... [2020-12-01 18:31:38,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:38" (1/1) ... [2020-12-01 18:31:38,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:38" (1/1) ... [2020-12-01 18:31:38,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:38" (1/1) ... [2020-12-01 18:31:38,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:38" (1/1) ... [2020-12-01 18:31:38,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:38" (1/1) ... [2020-12-01 18:31:38,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:38" (1/1) ... [2020-12-01 18:31:38,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:31:38,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:31:38,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:31:38,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:31:38,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:31:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07f52c9c-5a5e-4b59-a6f2-894acf9e260b/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 18:31:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 18:31:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:31:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2020-12-01 18:31:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 18:31:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:31:38,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:31:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2020-12-01 18:31:39,864 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:31:39,865 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 18:31:39,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:31:39 BoogieIcfgContainer [2020-12-01 18:31:39,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:31:39,870 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:31:39,870 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:31:39,883 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:31:39,884 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:31:39" (1/1) ... [2020-12-01 18:31:39,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:31:39,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:31:39,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2020-12-01 18:31:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2020-12-01 18:31:39,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 18:31:39,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:31:39,999 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 18:31:40,005 INFO L168 Benchmark]: Toolchain (without parser) took 1585.88 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 37.5 MB in the beginning and 41.5 MB in the end (delta: -4.1 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:31:40,006 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 58.7 MB. Free memory is still 40.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:31:40,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.40 ms. Allocated memory is still 58.7 MB. Free memory was 37.3 MB in the beginning and 40.2 MB in the end (delta: -2.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:31:40,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.87 ms. Allocated memory is still 58.7 MB. Free memory was 40.2 MB in the beginning and 42.1 MB in the end (delta: -2.0 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:31:40,009 INFO L168 Benchmark]: Boogie Preprocessor took 70.94 ms. Allocated memory is still 58.7 MB. Free memory was 42.1 MB in the beginning and 40.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:31:40,010 INFO L168 Benchmark]: RCFGBuilder took 1002.33 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 40.5 MB in the beginning and 46.4 MB in the end (delta: -5.8 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:31:40,011 INFO L168 Benchmark]: CodeCheck took 133.17 ms. Allocated memory is still 75.5 MB. Free memory was 46.4 MB in the beginning and 41.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:31:40,015 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 0.47 ms. Allocated memory is still 58.7 MB. Free memory is still 40.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 312.40 ms. Allocated memory is still 58.7 MB. Free memory was 37.3 MB in the beginning and 40.2 MB in the end (delta: -2.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.87 ms. Allocated memory is still 58.7 MB. Free memory was 40.2 MB in the beginning and 42.1 MB in the end (delta: -2.0 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.94 ms. Allocated memory is still 58.7 MB. Free memory was 42.1 MB in the beginning and 40.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1002.33 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 40.5 MB in the beginning and 46.4 MB in the end (delta: -5.8 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * CodeCheck took 133.17 ms. Allocated memory is still 75.5 MB. Free memory was 46.4 MB in the beginning and 41.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...