./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifeqn4.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_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn4.c -s /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/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 ab443682b8ebd5ebec1293e1098a08dcb4fa4fdb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn4.c -s /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/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 ab443682b8ebd5ebec1293e1098a08dcb4fa4fdb ................................................................................................................................................................................................................... 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 16:22:49,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:22:49,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:22:49,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:22:49,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:22:49,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:22:49,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:22:49,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:22:49,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:22:49,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:22:49,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:22:49,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:22:49,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:22:49,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:22:49,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:22:49,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:22:49,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:22:49,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:22:49,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:22:49,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:22:49,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:22:49,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:22:49,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:22:49,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:22:49,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:22:49,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:22:49,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:22:49,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:22:49,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:22:49,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:22:49,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:22:49,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:22:49,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:22:49,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:22:49,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:22:49,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:22:49,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:22:49,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:22:49,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:22:49,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:22:49,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:22:49,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:22:49,939 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:22:49,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:22:49,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:22:49,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:22:49,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:22:49,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:22:49,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:22:49,942 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:22:49,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:22:49,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:22:49,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:22:49,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:22:49,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:22:49,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:22:49,943 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:22:49,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:22:49,943 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:22:49,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:22:49,944 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:22:49,944 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:22:49,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:22:49,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:22:49,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:22:49,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:22:49,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:22:49,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:22:49,945 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:22:49,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:22:49,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:22:49,946 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_31e6f18c-87d0-4a02-b954-c68dac41d313/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab443682b8ebd5ebec1293e1098a08dcb4fa4fdb [2020-12-01 16:22:50,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:22:50,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:22:50,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:22:50,223 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:22:50,227 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:22:50,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/../../sv-benchmarks/c/array-fpi/ifeqn4.c [2020-12-01 16:22:50,316 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/data/617b94bb0/5e9f565524884924ac74e7f542b77c38/FLAG12ad457f3 [2020-12-01 16:22:50,795 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:22:50,795 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/sv-benchmarks/c/array-fpi/ifeqn4.c [2020-12-01 16:22:50,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/data/617b94bb0/5e9f565524884924ac74e7f542b77c38/FLAG12ad457f3 [2020-12-01 16:22:51,167 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/data/617b94bb0/5e9f565524884924ac74e7f542b77c38 [2020-12-01 16:22:51,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:22:51,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:22:51,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:22:51,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:22:51,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:22:51,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:22:51" (1/1) ... [2020-12-01 16:22:51,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3a37ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:51, skipping insertion in model container [2020-12-01 16:22:51,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:22:51" (1/1) ... [2020-12-01 16:22:51,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:22:51,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:22:51,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:22:51,378 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:22:51,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:22:51,413 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:22:51,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:51 WrapperNode [2020-12-01 16:22:51,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:22:51,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:22:51,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:22:51,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:22:51,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:51" (1/1) ... [2020-12-01 16:22:51,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:51" (1/1) ... [2020-12-01 16:22:51,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:22:51,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:22:51,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:22:51,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:22:51,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:51" (1/1) ... [2020-12-01 16:22:51,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:51" (1/1) ... [2020-12-01 16:22:51,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:51" (1/1) ... [2020-12-01 16:22:51,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:51" (1/1) ... [2020-12-01 16:22:51,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:51" (1/1) ... [2020-12-01 16:22:51,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:51" (1/1) ... [2020-12-01 16:22:51,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:51" (1/1) ... [2020-12-01 16:22:51,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:22:51,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:22:51,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:22:51,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:22:51,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:22:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/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 16:22:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:22:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:22:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:22:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 16:22:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:22:51,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:22:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 16:22:52,161 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:22:52,162 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 16:22:52,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:22:52 BoogieIcfgContainer [2020-12-01 16:22:52,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:22:52,165 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:22:52,165 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:22:52,176 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:22:52,177 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:22:52" (1/1) ... [2020-12-01 16:22:52,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:22:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:52,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2020-12-01 16:22:52,233 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2020-12-01 16:22:52,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:22:52,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:22:52,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 16:22:52,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:22:52,543 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 16:22:52,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:52,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2020-12-01 16:22:52,652 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2020-12-01 16:22:52,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:22:52,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:22:52,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 16:22:52,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:22:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:22:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:52,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2020-12-01 16:22:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2020-12-01 16:22:52,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:22:52,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:22:53,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-01 16:22:53,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:22:53,249 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 16:22:53,250 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:22:53,255 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:22:53,255 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:22:53,256 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-12-01 16:22:53,346 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 16:22:54,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:54,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2020-12-01 16:22:54,062 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2020-12-01 16:22:54,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 16:22:54,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:22:54,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 16:22:54,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:22:54,277 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 16:22:54,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:54,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2020-12-01 16:22:54,756 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2020-12-01 16:22:54,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:22:54,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:22:54,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-01 16:22:54,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:22:54,925 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 16:22:54,926 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:22:54,931 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:22:54,931 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:22:54,932 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2020-12-01 16:22:55,050 INFO L348 Elim1Store]: treesize reduction 34, result has 57.0 percent of original size [2020-12-01 16:22:55,051 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 59 [2020-12-01 16:22:55,060 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:22:55,092 INFO L625 ElimStorePlain]: treesize reduction 24, result has 60.7 percent of original size [2020-12-01 16:22:55,100 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 16:22:55,101 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:7 [2020-12-01 16:22:55,125 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:22:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:55,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2020-12-01 16:22:55,560 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2020-12-01 16:22:55,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:22:55,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:22:55,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 16:22:55,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:22:55,909 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 16:22:56,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:56,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2020-12-01 16:22:56,854 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-12-01 16:22:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:22:56,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:22:56,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 16:22:56,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:22:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:22:57,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:22:57,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2020-12-01 16:22:57,496 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2020-12-01 16:22:57,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:22:57,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:22:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:22:57,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 33 conjunts are in the unsatisfiable core [2020-12-01 16:22:57,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:22:58,037 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 16:22:58,038 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:22:58,044 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:22:58,045 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:22:58,045 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2020-12-01 16:22:58,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:22:58,126 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:22:58,126 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 31 treesize of output 37 [2020-12-01 16:22:58,130 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:22:58,155 INFO L625 ElimStorePlain]: treesize reduction 20, result has 64.3 percent of original size [2020-12-01 16:22:58,157 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:22:58,157 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2020-12-01 16:22:58,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:22:58,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:22:58,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:22:58,258 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:22:58,269 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:22:58,269 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 6 case distinctions, treesize of input 52 treesize of output 66 [2020-12-01 16:22:58,273 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:22:58,298 INFO L625 ElimStorePlain]: treesize reduction 36, result has 56.6 percent of original size [2020-12-01 16:22:58,300 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 16:22:58,301 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:47 [2020-12-01 16:22:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:23:01,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:23:01,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2020-12-01 16:23:01,279 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2020-12-01 16:23:01,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:23:01,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:23:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:23:01,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-01 16:23:01,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:23:01,822 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 16:23:07,239 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-01 16:23:07,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:23:07,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2020-12-01 16:23:07,288 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2020-12-01 16:23:07,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:23:07,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:23:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:23:07,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 37 conjunts are in the unsatisfiable core [2020-12-01 16:23:07,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:23:07,478 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 16:23:07,480 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:23:07,490 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:23:07,490 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:23:07,491 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-12-01 16:23:07,609 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 16:23:07,610 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:23:07,619 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:23:07,619 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:23:07,620 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2020-12-01 16:23:07,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:07,725 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2020-12-01 16:23:07,726 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:23:07,735 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:23:07,736 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:23:07,737 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:35 [2020-12-01 16:23:07,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:07,994 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2020-12-01 16:23:07,996 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:23:08,025 INFO L625 ElimStorePlain]: treesize reduction 4, result has 91.1 percent of original size [2020-12-01 16:23:08,026 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:23:08,026 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:41 [2020-12-01 16:23:08,999 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:23:09,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:09,019 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:23:09,020 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 51 treesize of output 70 [2020-12-01 16:23:09,026 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:23:09,058 INFO L625 ElimStorePlain]: treesize reduction 42, result has 54.3 percent of original size [2020-12-01 16:23:09,060 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 16:23:09,060 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:54, output treesize:50 [2020-12-01 16:23:11,140 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 16:23:11,143 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 16:23:11,152 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 16:23:25,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:23:25,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2020-12-01 16:23:25,618 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2020-12-01 16:23:25,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:23:25,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:23:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:23:26,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 38 conjunts are in the unsatisfiable core [2020-12-01 16:23:26,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:23:27,048 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 16:23:27,049 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:23:27,058 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:23:27,059 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:23:27,059 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2020-12-01 16:23:27,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:27,078 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:23:27,078 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 31 treesize of output 37 [2020-12-01 16:23:27,080 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:23:27,104 INFO L625 ElimStorePlain]: treesize reduction 20, result has 64.3 percent of original size [2020-12-01 16:23:27,105 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:23:27,105 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2020-12-01 16:23:27,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:27,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:27,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:27,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:27,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:27,127 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:23:27,136 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:23:27,136 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 6 case distinctions, treesize of input 54 treesize of output 68 [2020-12-01 16:23:27,148 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:23:27,182 INFO L625 ElimStorePlain]: treesize reduction 34, result has 61.8 percent of original size [2020-12-01 16:23:27,183 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:23:27,183 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:55 [2020-12-01 16:23:27,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:27,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:27,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:27,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:27,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:27,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:27,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:27,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:23:27,366 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:23:27,368 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:23:27,381 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:23:27,381 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 15 case distinctions, treesize of input 69 treesize of output 95 [2020-12-01 16:23:27,384 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:23:27,422 INFO L625 ElimStorePlain]: treesize reduction 56, result has 54.8 percent of original size [2020-12-01 16:23:27,424 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 16:23:27,424 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:68 [2020-12-01 16:23:40,010 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:23:42,268 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2020-12-01 16:23:57,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:23:57,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2020-12-01 16:23:57,346 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2020-12-01 16:23:57,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:23:57,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:23:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:23:57,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 16:23:57,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:23:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:23:59,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:23:59,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2020-12-01 16:23:59,161 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2020-12-01 16:23:59,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:23:59,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:23:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:23:59,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 16:23:59,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:23:59,904 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:24:00,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:00,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2020-12-01 16:24:00,885 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2020-12-01 16:24:00,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:24:00,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:00,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-01 16:24:00,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:24:01,813 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:19,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:19,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2020-12-01 16:24:19,496 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2020-12-01 16:24:19,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:24:19,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:19,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 43 conjunts are in the unsatisfiable core [2020-12-01 16:24:19,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:24:19,789 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 16:24:19,790 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:24:19,797 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:24:19,801 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:24:19,801 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-12-01 16:24:19,809 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 16:24:19,810 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:24:19,822 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:24:19,825 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:24:19,826 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2020-12-01 16:24:19,832 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:24:19,832 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:24:19,834 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:24:19,843 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 16:24:19,844 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:24:19,855 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:24:19,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:24:19,857 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:24:19,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:24:19,860 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 36 [2020-12-01 16:24:19,861 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 16:24:19,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 16:24:19,868 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 16:24:19,872 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 16:24:19,873 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 16:24:19,909 INFO L625 ElimStorePlain]: treesize reduction 14, result has 80.6 percent of original size [2020-12-01 16:24:19,909 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:24:19,910 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:277, output treesize:58 [2020-12-01 16:24:20,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:24:20,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:24:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:24:20,118 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2020-12-01 16:24:20,120 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:24:20,138 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:24:20,139 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:24:20,139 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:52 [2020-12-01 16:24:20,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:24:20,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:24:20,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:24:20,637 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 0 case distinctions, treesize of input 53 treesize of output 46 [2020-12-01 16:24:20,641 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:24:20,684 INFO L625 ElimStorePlain]: treesize reduction 4, result has 93.5 percent of original size [2020-12-01 16:24:20,685 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:24:20,685 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:58 [2020-12-01 16:24:22,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:24:22,974 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:24:22,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:24:22,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:24:22,992 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:24:22,992 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 72 treesize of output 88 [2020-12-01 16:24:22,995 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:24:23,044 INFO L625 ElimStorePlain]: treesize reduction 44, result has 68.8 percent of original size [2020-12-01 16:24:23,045 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:24:23,045 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:81, output treesize:97 [2020-12-01 16:24:23,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:24:23,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:24:23,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:24:23,360 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:24:23,361 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:24:23,387 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:24:23,388 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 109 treesize of output 110 [2020-12-01 16:24:23,392 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:24:23,443 INFO L625 ElimStorePlain]: treesize reduction 4, result has 97.0 percent of original size [2020-12-01 16:24:23,445 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 16:24:23,445 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:112, output treesize:131 [2020-12-01 16:24:24,623 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 16:24:24,632 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:57,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:57,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 72 transitions. [2020-12-01 16:24:57,102 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2020-12-01 16:24:57,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:24:57,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:00,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 43 conjunts are in the unsatisfiable core [2020-12-01 16:25:00,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:25:00,673 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 16:25:00,674 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:25:00,681 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:25:00,682 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:25:00,682 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2020-12-01 16:25:00,687 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:25:00,687 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:25:00,688 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 16:25:00,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 16:25:00,705 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:25:00,713 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:25:00,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:00,720 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:25:00,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:00,726 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:25:00,733 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:25:00,733 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 59 [2020-12-01 16:25:00,736 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 16:25:00,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 16:25:00,748 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 16:25:00,753 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 16:25:00,754 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 16:25:00,797 INFO L625 ElimStorePlain]: treesize reduction 34, result has 61.4 percent of original size [2020-12-01 16:25:00,798 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:25:00,798 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:311, output treesize:54 [2020-12-01 16:25:00,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:00,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:00,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:00,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:00,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:00,911 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:25:00,921 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:25:00,922 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 6 case distinctions, treesize of input 54 treesize of output 68 [2020-12-01 16:25:00,924 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:25:00,968 INFO L625 ElimStorePlain]: treesize reduction 44, result has 58.5 percent of original size [2020-12-01 16:25:00,969 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:25:00,969 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:62 [2020-12-01 16:25:01,192 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:25:01,193 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:25:01,195 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 16:25:01,210 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 16:25:01,211 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:25:01,219 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:25:01,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,238 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:25:01,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,280 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:25:01,284 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:25:01,307 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:25:01,307 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 91 treesize of output 117 [2020-12-01 16:25:01,316 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 16:25:01,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 16:25:01,325 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 16:25:01,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 16:25:01,333 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 16:25:01,426 INFO L625 ElimStorePlain]: treesize reduction 106, result has 52.0 percent of original size [2020-12-01 16:25:01,427 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:25:01,427 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:463, output treesize:115 [2020-12-01 16:25:01,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,909 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:25:01,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:25:01,914 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:25:01,915 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:25:01,934 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:25:01,935 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 95 treesize of output 125 [2020-12-01 16:25:01,939 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:25:02,000 INFO L625 ElimStorePlain]: treesize reduction 86, result has 52.2 percent of original size [2020-12-01 16:25:02,001 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 16:25:02,001 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:98, output treesize:94 [2020-12-01 16:25:57,785 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:26:01,347 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 47 [2020-12-01 16:26:02,401 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-12-01 16:26:03,828 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-01 16:27:32,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:32,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 73 transitions. [2020-12-01 16:27:32,344 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions. [2020-12-01 16:27:32,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:27:32,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:32,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 16:27:32,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:27:32,440 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:27:56,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:56,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2020-12-01 16:27:56,268 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2020-12-01 16:27:56,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:27:56,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:56,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-01 16:27:56,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:27:58,984 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:29:21,014 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2020-12-01 16:29:26,194 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2020-12-01 16:29:37,149 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-01 16:29:38,837 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-12-01 16:29:39,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:39,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 61 states and 96 transitions. [2020-12-01 16:29:39,080 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 96 transitions. [2020-12-01 16:29:39,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:29:39,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:40,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 49 conjunts are in the unsatisfiable core [2020-12-01 16:29:40,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:29:40,422 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 16:29:40,424 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:29:40,432 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:29:40,433 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:29:40,433 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-12-01 16:29:40,442 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 16:29:40,443 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:29:40,453 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:29:40,453 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:29:40,454 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2020-12-01 16:29:40,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:40,466 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2020-12-01 16:29:40,468 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:29:40,491 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:29:40,492 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:29:40,493 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2020-12-01 16:29:40,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:40,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:40,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:40,792 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2020-12-01 16:29:40,794 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:29:40,816 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:29:40,817 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:29:40,817 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:53 [2020-12-01 16:29:41,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:41,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:41,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:41,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:41,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:41,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:41,294 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 50 [2020-12-01 16:29:41,299 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:29:41,326 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:29:41,327 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:29:41,327 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:71, output treesize:63 [2020-12-01 16:29:42,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:42,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:42,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:42,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:42,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:42,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:42,550 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2020-12-01 16:29:42,552 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:29:42,598 INFO L625 ElimStorePlain]: treesize reduction 4, result has 94.5 percent of original size [2020-12-01 16:29:42,599 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:29:42,599 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:69 [2020-12-01 16:29:53,247 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 16:29:53,248 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 16:29:53,250 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 16:29:53,262 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 16:29:53,263 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:29:53,269 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 16:29:53,271 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 16:29:53,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:53,281 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:29:53,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:53,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:53,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:53,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:53,289 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:29:53,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:53,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:53,297 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:29:53,320 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:29:53,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:53,337 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:29:53,378 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:29:53,379 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 5 new quantified variables, introduced 11 case distinctions, treesize of input 105 treesize of output 124 [2020-12-01 16:29:53,383 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 16:29:53,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 16:29:53,390 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 16:29:53,475 INFO L625 ElimStorePlain]: treesize reduction 50, result has 73.4 percent of original size [2020-12-01 16:29:53,476 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:29:53,476 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:519, output treesize:138 [2020-12-01 16:29:54,084 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 16:29:54,086 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 16:29:54,088 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 16:29:54,104 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 16:29:54,105 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:29:54,113 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 16:29:54,115 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 16:29:54,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,129 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:29:54,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,178 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:29:54,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,219 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:29:54,220 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:29:54,222 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:29:54,263 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:29:54,263 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 174 treesize of output 158 [2020-12-01 16:29:54,269 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 16:29:54,284 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 16:29:54,285 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 16:29:54,385 INFO L625 ElimStorePlain]: treesize reduction 94, result has 57.8 percent of original size [2020-12-01 16:29:54,386 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:29:54,386 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:795, output treesize:129 [2020-12-01 16:29:54,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,924 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:29:54,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 16:29:54,931 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:29:54,932 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 16:29:54,972 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:29:54,972 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 91 treesize of output 130 [2020-12-01 16:29:54,976 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:29:55,047 INFO L625 ElimStorePlain]: treesize reduction 18, result has 82.0 percent of original size [2020-12-01 16:29:55,049 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 16:29:55,049 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:94, output treesize:82 [2020-12-01 16:29:57,102 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:30:36,405 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2020-12-01 16:31:04,023 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-12-01 16:31:17,378 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2020-12-01 16:31:32,427 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2020-12-01 16:31:42,610 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-12-01 16:32:04,273 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2020-12-01 16:32:08,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 66 states and 105 transitions. [2020-12-01 16:32:08,723 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 105 transitions. [2020-12-01 16:32:08,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:32:08,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2020-12-01 16:32:18,881 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) 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 16:32:18,887 INFO L168 Benchmark]: Toolchain (without parser) took 567714.64 ms. Allocated memory was 96.5 MB in the beginning and 270.5 MB in the end (delta: 174.1 MB). Free memory was 69.8 MB in the beginning and 110.8 MB in the end (delta: -41.1 MB). Peak memory consumption was 132.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:18,887 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 96.5 MB. Free memory is still 54.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:32:18,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.72 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 69.5 MB in the beginning and 104.4 MB in the end (delta: -34.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:18,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.00 ms. Allocated memory is still 127.9 MB. Free memory was 104.4 MB in the beginning and 103.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:18,891 INFO L168 Benchmark]: Boogie Preprocessor took 28.39 ms. Allocated memory is still 127.9 MB. Free memory was 102.7 MB in the beginning and 101.8 MB in the end (delta: 896.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:32:18,891 INFO L168 Benchmark]: RCFGBuilder took 682.06 ms. Allocated memory is still 127.9 MB. Free memory was 101.4 MB in the beginning and 74.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:18,892 INFO L168 Benchmark]: CodeCheck took 566720.11 ms. Allocated memory was 127.9 MB in the beginning and 270.5 MB in the end (delta: 142.6 MB). Free memory was 74.6 MB in the beginning and 110.8 MB in the end (delta: -36.2 MB). Peak memory consumption was 109.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:18,895 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 96.5 MB. Free memory is still 54.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 240.72 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 69.5 MB in the beginning and 104.4 MB in the end (delta: -34.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.00 ms. Allocated memory is still 127.9 MB. Free memory was 104.4 MB in the beginning and 103.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.39 ms. Allocated memory is still 127.9 MB. Free memory was 102.7 MB in the beginning and 101.8 MB in the end (delta: 896.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 682.06 ms. Allocated memory is still 127.9 MB. Free memory was 101.4 MB in the beginning and 74.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * CodeCheck took 566720.11 ms. Allocated memory was 127.9 MB in the beginning and 270.5 MB in the end (delta: 142.6 MB). Free memory was 74.6 MB in the beginning and 110.8 MB in the end (delta: -36.2 MB). Peak memory consumption was 109.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 16:32:22,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:32:22,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:32:22,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:32:22,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:32:22,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:32:22,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:32:22,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:32:22,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:32:22,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:32:22,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:32:22,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:32:22,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:32:22,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:32:22,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:32:22,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:32:22,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:32:22,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:32:22,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:32:22,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:32:22,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:32:22,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:32:22,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:32:22,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:32:22,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:32:22,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:32:22,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:32:22,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:32:22,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:32:22,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:32:22,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:32:22,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:32:22,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:32:22,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:32:22,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:32:22,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:32:22,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:32:22,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:32:22,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:32:22,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:32:22,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:32:22,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 16:32:22,492 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:32:22,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:32:22,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:32:22,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:32:22,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:32:22,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:32:22,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:32:22,497 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:32:22,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:32:22,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:32:22,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:32:22,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:32:22,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:32:22,504 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 16:32:22,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 16:32:22,505 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 16:32:22,505 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:32:22,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:32:22,506 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:32:22,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:32:22,507 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:32:22,507 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:32:22,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:32:22,508 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:32:22,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:32:22,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:32:22,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:32:22,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:32:22,511 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 16:32:22,512 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 16:32:22,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:32:22,512 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 16:32:22,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 16:32:22,513 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_31e6f18c-87d0-4a02-b954-c68dac41d313/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab443682b8ebd5ebec1293e1098a08dcb4fa4fdb [2020-12-01 16:32:23,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:32:23,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:32:23,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:32:23,130 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:32:23,131 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:32:23,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/../../sv-benchmarks/c/array-fpi/ifeqn4.c [2020-12-01 16:32:23,230 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/data/bf5a83778/02ac9ea01b344066961544bd6670ab8d/FLAG49208d272 [2020-12-01 16:32:23,914 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:32:23,916 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/sv-benchmarks/c/array-fpi/ifeqn4.c [2020-12-01 16:32:23,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/data/bf5a83778/02ac9ea01b344066961544bd6670ab8d/FLAG49208d272 [2020-12-01 16:32:24,234 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/bin/ukojak/data/bf5a83778/02ac9ea01b344066961544bd6670ab8d [2020-12-01 16:32:24,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:32:24,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:32:24,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:32:24,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:32:24,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:32:24,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:32:24" (1/1) ... [2020-12-01 16:32:24,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@281d3086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:24, skipping insertion in model container [2020-12-01 16:32:24,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:32:24" (1/1) ... [2020-12-01 16:32:24,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:32:24,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:32:24,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:32:24,651 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:32:24,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:32:24,734 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:32:24,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:24 WrapperNode [2020-12-01 16:32:24,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:32:24,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:32:24,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:32:24,738 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:32:24,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:24" (1/1) ... [2020-12-01 16:32:24,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:24" (1/1) ... [2020-12-01 16:32:24,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:32:24,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:32:24,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:32:24,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:32:24,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:24" (1/1) ... [2020-12-01 16:32:24,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:24" (1/1) ... [2020-12-01 16:32:24,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:24" (1/1) ... [2020-12-01 16:32:24,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:24" (1/1) ... [2020-12-01 16:32:24,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:24" (1/1) ... [2020-12-01 16:32:24,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:24" (1/1) ... [2020-12-01 16:32:24,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:24" (1/1) ... [2020-12-01 16:32:24,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:32:24,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:32:24,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:32:24,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:32:24,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31e6f18c-87d0-4a02-b954-c68dac41d313/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 16:32:25,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 16:32:25,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:32:25,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2020-12-01 16:32:25,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 16:32:25,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:32:25,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:32:25,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2020-12-01 16:32:26,399 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:32:26,399 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 16:32:26,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:32:26 BoogieIcfgContainer [2020-12-01 16:32:26,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:32:26,403 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:32:26,403 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:32:26,415 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:32:26,415 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:32:26" (1/1) ... [2020-12-01 16:32:26,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:32:26,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:26,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2020-12-01 16:32:26,466 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2020-12-01 16:32:26,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:32:26,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:26,527 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 16:32:26,540 INFO L168 Benchmark]: Toolchain (without parser) took 2291.73 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 30.3 MB in the beginning and 37.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:26,542 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 52.4 MB. Free memory was 34.7 MB in the beginning and 34.6 MB in the end (delta: 37.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:32:26,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.85 ms. Allocated memory is still 52.4 MB. Free memory was 30.2 MB in the beginning and 31.1 MB in the end (delta: -960.5 kB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:26,548 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.33 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 31.1 MB in the beginning and 53.0 MB in the end (delta: -21.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:26,550 INFO L168 Benchmark]: Boogie Preprocessor took 45.04 ms. Allocated memory is still 69.2 MB. Free memory was 53.0 MB in the beginning and 51.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:32:26,551 INFO L168 Benchmark]: RCFGBuilder took 1504.56 ms. Allocated memory is still 69.2 MB. Free memory was 51.3 MB in the beginning and 42.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:26,553 INFO L168 Benchmark]: CodeCheck took 131.68 ms. Allocated memory is still 69.2 MB. Free memory was 42.4 MB in the beginning and 37.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:26,568 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 0.36 ms. Allocated memory is still 52.4 MB. Free memory was 34.7 MB in the beginning and 34.6 MB in the end (delta: 37.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 486.85 ms. Allocated memory is still 52.4 MB. Free memory was 30.2 MB in the beginning and 31.1 MB in the end (delta: -960.5 kB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.33 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 31.1 MB in the beginning and 53.0 MB in the end (delta: -21.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.04 ms. Allocated memory is still 69.2 MB. Free memory was 53.0 MB in the beginning and 51.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1504.56 ms. Allocated memory is still 69.2 MB. Free memory was 51.3 MB in the beginning and 42.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. * CodeCheck took 131.68 ms. Allocated memory is still 69.2 MB. Free memory was 42.4 MB in the beginning and 37.5 MB in the end (delta: 4.9 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...