./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifncomp.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_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifncomp.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/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 1ccf94c54f73fb7b11310355eee145158799db73 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifncomp.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/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 1ccf94c54f73fb7b11310355eee145158799db73 ................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:09:16,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:09:16,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:09:16,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:09:16,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:09:16,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:09:16,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:09:16,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:09:16,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:09:16,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:09:16,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:09:16,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:09:16,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:09:16,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:09:16,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:09:16,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:09:16,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:09:16,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:09:16,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:09:16,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:09:16,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:09:16,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:09:16,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:09:16,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:09:16,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:09:16,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:09:16,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:09:16,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:09:16,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:09:16,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:09:16,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:09:16,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:09:16,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:09:16,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:09:16,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:09:16,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:09:16,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:09:16,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:09:16,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:09:16,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:09:16,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:09:16,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:09:17,008 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:09:17,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:09:17,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:09:17,010 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:09:17,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:09:17,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:09:17,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:09:17,013 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:09:17,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:09:17,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:09:17,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:09:17,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:09:17,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:09:17,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:09:17,015 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:09:17,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:09:17,016 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:09:17,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:09:17,016 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:09:17,017 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:09:17,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:09:17,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:09:17,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:09:17,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:09:17,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:09:17,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:09:17,019 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:09:17,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:09:17,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:09:17,020 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_1447ba3b-8282-45b2-8e4a-3742b959d881/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ccf94c54f73fb7b11310355eee145158799db73 [2020-12-01 17:09:17,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:09:17,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:09:17,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:09:17,376 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:09:17,379 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:09:17,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/../../sv-benchmarks/c/array-fpi/ifncomp.c [2020-12-01 17:09:17,496 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/data/e7891ebef/96ebf24f3a074e64979af952379025e4/FLAGe1d4f9706 [2020-12-01 17:09:18,127 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:09:18,128 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/sv-benchmarks/c/array-fpi/ifncomp.c [2020-12-01 17:09:18,136 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/data/e7891ebef/96ebf24f3a074e64979af952379025e4/FLAGe1d4f9706 [2020-12-01 17:09:18,480 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/data/e7891ebef/96ebf24f3a074e64979af952379025e4 [2020-12-01 17:09:18,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:09:18,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:09:18,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:09:18,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:09:18,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:09:18,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:09:18" (1/1) ... [2020-12-01 17:09:18,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff92e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:09:18, skipping insertion in model container [2020-12-01 17:09:18,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:09:18" (1/1) ... [2020-12-01 17:09:18,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:09:18,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:09:18,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:09:18,811 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:09:18,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:09:18,859 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:09:18,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:09:18 WrapperNode [2020-12-01 17:09:18,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:09:18,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:09:18,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:09:18,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:09:18,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:09:18" (1/1) ... [2020-12-01 17:09:18,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:09:18" (1/1) ... [2020-12-01 17:09:18,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:09:18,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:09:18,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:09:18,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:09:18,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:09:18" (1/1) ... [2020-12-01 17:09:18,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:09:18" (1/1) ... [2020-12-01 17:09:18,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:09:18" (1/1) ... [2020-12-01 17:09:18,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:09:18" (1/1) ... [2020-12-01 17:09:18,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:09:18" (1/1) ... [2020-12-01 17:09:18,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:09:18" (1/1) ... [2020-12-01 17:09:18,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:09:18" (1/1) ... [2020-12-01 17:09:18,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:09:18,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:09:18,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:09:18,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:09:18,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:09:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:09:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:09:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:09:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 17:09:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 17:09:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:09:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:09:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 17:09:19,894 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:09:19,895 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-01 17:09:19,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:09:19 BoogieIcfgContainer [2020-12-01 17:09:19,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:09:19,899 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:09:19,899 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:09:19,913 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:09:19,913 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:09:19" (1/1) ... [2020-12-01 17:09:19,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:09:19,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:09:19,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2020-12-01 17:09:19,985 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2020-12-01 17:09:19,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:09:19,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:09:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:09:20,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 17:09:20,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:09:20,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:09:20,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:09:20,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2020-12-01 17:09:20,396 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2020-12-01 17:09:20,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:09:20,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:09:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:09:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:09:20,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:09:20,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2020-12-01 17:09:20,757 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2020-12-01 17:09:20,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:09:20,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:09:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:09:20,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 17:09:20,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:09:20,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:09:21,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:09:21,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2020-12-01 17:09:21,090 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2020-12-01 17:09:21,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:09:21,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:09:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:09:21,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-01 17:09:21,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:09:21,384 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 17:09:21,385 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:09:21,393 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:09:21,394 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:09:21,394 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2020-12-01 17:09:21,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:09:22,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:09:22,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 22 states and 40 transitions. [2020-12-01 17:09:22,728 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 40 transitions. [2020-12-01 17:09:22,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:09:22,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:09:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:09:22,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 17:09:22,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:09:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:09:23,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:09:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2020-12-01 17:09:23,817 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2020-12-01 17:09:23,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:09:23,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:09:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:09:23,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 17:09:23,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:09:24,192 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:09:24,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:09:24,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2020-12-01 17:09:24,543 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2020-12-01 17:09:24,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:09:24,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:09:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:09:24,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 17:09:24,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:09:24,684 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:09:25,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:09:25,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2020-12-01 17:09:25,023 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2020-12-01 17:09:25,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:09:25,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:09:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:09:25,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 28 conjunts are in the unsatisfiable core [2020-12-01 17:09:25,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:09:25,518 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 17:09:25,519 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:09:25,528 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:09:25,529 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:09:25,530 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-12-01 17:09:25,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:09:25,676 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:09:25,677 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 2 case distinctions, treesize of input 31 treesize of output 71 [2020-12-01 17:09:25,687 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:09:25,744 INFO L625 ElimStorePlain]: treesize reduction 48, result has 45.5 percent of original size [2020-12-01 17:09:25,754 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:09:25,755 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:11 [2020-12-01 17:09:25,883 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:09:28,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:09:28,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2020-12-01 17:09:28,720 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2020-12-01 17:09:28,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:09:28,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:09:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:09:28,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 17:09:28,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:09:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:09:29,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:09:29,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2020-12-01 17:09:29,494 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2020-12-01 17:09:29,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:09:29,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:09:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:09:29,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 17:09:29,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:09:30,037 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:09:32,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:09:32,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2020-12-01 17:09:32,313 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2020-12-01 17:09:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:09:32,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:09:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:09:32,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 17:09:32,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:09:32,852 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:09:33,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:09:33,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2020-12-01 17:09:33,795 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2020-12-01 17:09:33,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:09:33,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:09:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:09:34,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 39 conjunts are in the unsatisfiable core [2020-12-01 17:09:34,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:09:35,001 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 17:09:35,011 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:09:35,020 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:09:35,021 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:09:35,022 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-12-01 17:09:35,050 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:09:35,051 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:09:35,055 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:09:35,073 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:09:35,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:09:35,081 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:09:35,145 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:09:35,146 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 3 case distinctions, treesize of input 53 treesize of output 145 [2020-12-01 17:09:35,157 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:09:35,166 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:09:35,168 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:09:35,195 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:09:35,196 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 17:09:35,202 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:09:35,203 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 17:09:35,272 INFO L625 ElimStorePlain]: treesize reduction 92, result has 44.9 percent of original size [2020-12-01 17:09:35,274 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:09:35,275 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:299, output treesize:75 [2020-12-01 17:09:35,477 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:09:35,479 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:09:35,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:09:35,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:09:35,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:09:35,735 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-12-01 17:09:35,736 INFO L348 Elim1Store]: treesize reduction 10, result has 93.3 percent of original size [2020-12-01 17:09:35,737 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 50 treesize of output 174 [2020-12-01 17:09:35,756 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:09:35,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:09:35,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:09:35,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:09:35,773 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2020-12-01 17:09:35,780 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:09:35,810 INFO L625 ElimStorePlain]: treesize reduction 216, result has 4.8 percent of original size [2020-12-01 17:09:35,810 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:09:35,811 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:92, output treesize:11 [2020-12-01 17:09:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:09:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:09:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2020-12-01 17:09:37,168 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2020-12-01 17:09:37,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:09:37,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:09:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:09:37,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2020-12-01 17:09:37,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:09:37,596 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2020-12-01 17:09:37,598 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:09:37,612 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:09:37,616 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:09:37,616 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:17 [2020-12-01 17:09:37,856 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 17:09:37,857 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:09:37,868 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:09:37,869 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:09:37,869 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2020-12-01 17:09:38,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:09:38,014 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:09:38,014 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 1 case distinctions, treesize of input 31 treesize of output 37 [2020-12-01 17:09:38,017 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:09:38,056 INFO L625 ElimStorePlain]: treesize reduction 12, result has 73.3 percent of original size [2020-12-01 17:09:38,057 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 17:09:38,058 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2020-12-01 17:09:38,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:09:38,527 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:09:38,528 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 63 [2020-12-01 17:09:38,532 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:09:38,590 INFO L625 ElimStorePlain]: treesize reduction 32, result has 59.5 percent of original size [2020-12-01 17:09:38,593 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:09:38,594 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:28 [2020-12-01 17:09:39,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:09:39,605 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2020-12-01 17:09:39,607 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:09:39,626 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:09:39,628 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 17:09:39,628 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:45, output treesize:37 [2020-12-01 17:09:40,362 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:09:40,364 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:09:40,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:09:40,386 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:09:54,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:09:54,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2020-12-01 17:09:54,298 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2020-12-01 17:09:54,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:09:54,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:09:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:09:54,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-01 17:09:54,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:09:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:10:01,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:01,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 78 transitions. [2020-12-01 17:10:01,099 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2020-12-01 17:10:01,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:10:01,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:01,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-01 17:10:01,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:10:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:10:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2020-12-01 17:10:03,620 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2020-12-01 17:10:03,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:10:03,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:07,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 50 conjunts are in the unsatisfiable core [2020-12-01 17:10:07,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:10:08,405 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 17:10:08,406 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:08,416 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:10:08,417 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:10:08,417 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2020-12-01 17:10:08,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:08,651 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:10:08,652 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 17:10:08,654 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:08,697 INFO L625 ElimStorePlain]: treesize reduction 20, result has 64.3 percent of original size [2020-12-01 17:10:08,698 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:10:08,698 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2020-12-01 17:10:08,981 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:10:08,982 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:10:08,985 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:10:09,010 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:10:09,011 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:09,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:10:09,024 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:09,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:10:09,030 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:09,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:09,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:09,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:09,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:09,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:09,048 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:09,049 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:09,081 INFO L348 Elim1Store]: treesize reduction 8, result has 71.4 percent of original size [2020-12-01 17:10:09,081 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 10 case distinctions, treesize of input 72 treesize of output 98 [2020-12-01 17:10:09,084 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:09,147 INFO L625 ElimStorePlain]: treesize reduction 87, result has 49.4 percent of original size [2020-12-01 17:10:09,148 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:10:09,148 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:387, output treesize:85 [2020-12-01 17:10:09,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:09,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:09,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:09,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:09,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:09,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:09,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:09,534 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:09,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:09,543 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:09,561 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:10:09,562 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 81 treesize of output 97 [2020-12-01 17:10:09,576 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:09,626 INFO L625 ElimStorePlain]: treesize reduction 56, result has 54.8 percent of original size [2020-12-01 17:10:09,628 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 17:10:09,628 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:84, output treesize:68 [2020-12-01 17:10:13,266 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:10:21,014 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-01 17:10:23,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:23,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2020-12-01 17:10:23,285 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2020-12-01 17:10:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:10:23,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:24,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 54 conjunts are in the unsatisfiable core [2020-12-01 17:10:24,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:10:24,467 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2020-12-01 17:10:24,470 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:24,485 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:10:24,491 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:10:24,491 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:17 [2020-12-01 17:10:25,540 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 17:10:25,541 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:25,558 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:10:25,558 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:10:25,559 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2020-12-01 17:10:25,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:25,835 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:10:25,835 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 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 17:10:25,837 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:25,887 INFO L625 ElimStorePlain]: treesize reduction 16, result has 74.2 percent of original size [2020-12-01 17:10:25,889 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:10:25,890 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:46 [2020-12-01 17:10:26,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:26,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:26,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:26,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:26,258 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:26,273 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:10:26,274 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 52 treesize of output 66 [2020-12-01 17:10:26,278 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:26,347 INFO L625 ElimStorePlain]: treesize reduction 44, result has 59.3 percent of original size [2020-12-01 17:10:26,349 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 17:10:26,349 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:64 [2020-12-01 17:10:28,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:28,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:28,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:28,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:28,547 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:28,574 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:10:28,575 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 62 treesize of output 93 [2020-12-01 17:10:28,578 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:28,663 INFO L625 ElimStorePlain]: treesize reduction 62, result has 55.1 percent of original size [2020-12-01 17:10:28,665 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:10:28,666 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 17:10:28,667 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:78, output treesize:76 [2020-12-01 17:10:28,668 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:10:29,074 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:10:29,076 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:10:29,077 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:10:29,080 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:10:29,084 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:10:29,089 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:10:29,090 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:10:29,092 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:10:29,111 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:10:29,112 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:29,123 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:10:29,125 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:29,137 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:10:29,139 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:29,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:29,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:29,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:29,157 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:29,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:29,161 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:29,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:29,181 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:29,208 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:29,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:29,219 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:29,220 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:29,286 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:10:29,286 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 22 case distinctions, treesize of input 105 treesize of output 167 [2020-12-01 17:10:29,291 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:29,299 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:10:29,300 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:29,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:29,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:29,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:29,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:29,323 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:29,324 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:29,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:29,326 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:29,352 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:29,360 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:29,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:29,371 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:29,403 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:10:29,403 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 81 treesize of output 113 [2020-12-01 17:10:29,407 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:10:29,417 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:29,437 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:10:29,439 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:29,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:10:29,450 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:29,623 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 37 [2020-12-01 17:10:29,624 INFO L625 ElimStorePlain]: treesize reduction 340, result has 17.5 percent of original size [2020-12-01 17:10:29,625 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:10:29,626 INFO L244 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:965, output treesize:72 [2020-12-01 17:10:32,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:32,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:32,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:32,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:10:32,476 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:10:32,492 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:10:32,493 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 55 treesize of output 69 [2020-12-01 17:10:32,500 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:10:32,549 INFO L625 ElimStorePlain]: treesize reduction 34, result has 62.6 percent of original size [2020-12-01 17:10:32,550 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 17:10:32,551 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:61, output treesize:57 [2020-12-01 17:10:34,058 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:11:18,716 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-01 17:11:27,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 59 states and 89 transitions. [2020-12-01 17:11:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2020-12-01 17:11:27,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:11:27,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:28,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 53 conjunts are in the unsatisfiable core [2020-12-01 17:11:28,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:11:28,822 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2020-12-01 17:11:28,824 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:11:28,885 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:11:28,887 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:11:28,887 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:17 [2020-12-01 17:11:28,911 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 17:11:28,912 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:11:28,932 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:11:28,933 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:11:28,934 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2020-12-01 17:11:28,945 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:11:28,945 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:11:28,947 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:11:28,971 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:11:28,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:28,980 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:11:28,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:28,988 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:11:28,996 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:11:28,996 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 59 [2020-12-01 17:11:28,999 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:11:29,005 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:11:29,006 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:11:29,011 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:11:29,012 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 17:11:29,020 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:11:29,021 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 17:11:29,077 INFO L625 ElimStorePlain]: treesize reduction 34, result has 64.2 percent of original size [2020-12-01 17:11:29,078 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:11:29,078 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:339, output treesize:61 [2020-12-01 17:11:29,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:29,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:29,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:29,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:29,685 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:11:29,705 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:11:29,705 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 66 [2020-12-01 17:11:29,709 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:11:29,781 INFO L625 ElimStorePlain]: treesize reduction 34, result has 61.4 percent of original size [2020-12-01 17:11:29,783 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 17:11:29,783 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:54 [2020-12-01 17:11:48,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:48,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:48,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:48,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:48,719 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:11:48,758 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:11:48,759 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 55 treesize of output 92 [2020-12-01 17:11:48,766 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:11:48,850 INFO L625 ElimStorePlain]: treesize reduction 44, result has 60.7 percent of original size [2020-12-01 17:11:48,852 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:11:48,853 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 17:11:48,854 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:68, output treesize:68 [2020-12-01 17:11:48,866 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:11:58,312 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:11:58,314 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:11:58,316 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:11:58,317 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:11:58,318 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:11:58,321 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:11:58,325 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:11:58,326 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:11:58,327 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:11:58,330 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:11:58,351 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:11:58,353 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:11:58,366 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:11:58,368 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:11:58,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:58,384 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:11:58,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:58,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:58,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:58,393 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:11:58,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:58,397 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:11:58,446 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:11:58,461 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:11:58,477 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 77 [2020-12-01 17:11:58,482 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 17:11:58,496 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:11:58,498 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 17:11:58,508 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:11:58,509 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-01 17:11:58,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:58,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:58,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:58,533 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:11:58,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:58,541 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:11:58,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:58,575 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:11:58,610 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:11:58,619 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:11:58,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:11:58,623 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:11:58,664 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:11:58,665 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 96 treesize of output 138 [2020-12-01 17:11:58,669 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-01 17:11:58,679 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:11:58,680 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-01 17:11:58,687 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-01 17:11:58,687 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-01 17:11:58,791 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 39 [2020-12-01 17:11:58,792 INFO L625 ElimStorePlain]: treesize reduction 270, result has 26.8 percent of original size [2020-12-01 17:11:58,793 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:11:58,794 INFO L244 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:937, output treesize:99 [2020-12-01 17:12:04,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:12:04,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:12:04,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:12:04,208 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 55 [2020-12-01 17:12:04,211 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:12:04,248 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:12:04,251 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 17:12:04,251 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:74, output treesize:62 [2020-12-01 17:12:06,548 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 17:12:38,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:38,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 59 states and 89 transitions. [2020-12-01 17:12:38,758 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2020-12-01 17:12:38,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:12:38,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:39,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 53 conjunts are in the unsatisfiable core [2020-12-01 17:12:39,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:12:39,827 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2020-12-01 17:12:39,830 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:12:39,846 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:12:39,848 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:12:39,848 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:17 [2020-12-01 17:12:39,869 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 17:12:39,870 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:12:39,886 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:12:39,887 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:12:39,887 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2020-12-01 17:12:39,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:12:39,907 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:12:39,907 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 1 case distinctions, treesize of input 31 treesize of output 37 [2020-12-01 17:12:39,918 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:12:40,009 INFO L625 ElimStorePlain]: treesize reduction 14, result has 73.6 percent of original size [2020-12-01 17:12:40,011 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:12:40,011 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:39 [2020-12-01 17:12:40,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:12:40,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:12:40,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:12:40,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:12:40,560 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:12:40,585 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:12:40,585 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 66 [2020-12-01 17:12:40,589 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:12:40,656 INFO L625 ElimStorePlain]: treesize reduction 45, result has 56.7 percent of original size [2020-12-01 17:12:40,658 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 17:12:40,658 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:59 [2020-12-01 17:13:01,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:01,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:01,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:01,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:01,466 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:13:01,516 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:13:01,517 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 55 treesize of output 92 [2020-12-01 17:13:01,521 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:13:01,666 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2020-12-01 17:13:01,667 INFO L625 ElimStorePlain]: treesize reduction 50, result has 57.6 percent of original size [2020-12-01 17:13:01,668 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:13:01,669 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 17:13:01,670 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:68, output treesize:68 [2020-12-01 17:13:01,671 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:13:01,680 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:13:01,682 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:13:01,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:01,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:01,704 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:13:01,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:01,756 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2020-12-01 17:13:01,761 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:13:01,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:01,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:01,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:01,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:01,778 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:13:01,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:01,781 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-01 17:13:01,830 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:13:01,830 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 116 [2020-12-01 17:13:01,835 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:13:01,965 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 28 [2020-12-01 17:13:01,969 INFO L625 ElimStorePlain]: treesize reduction 160, result has 25.6 percent of original size [2020-12-01 17:13:01,971 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:13:01,972 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:160, output treesize:55 [2020-12-01 17:13:08,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:08,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:08,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:08,599 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 55 [2020-12-01 17:13:08,602 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:13:08,644 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:13:08,646 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 17:13:08,647 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:74, output treesize:57 [2020-12-01 17:13:09,535 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 17:13:09,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:09,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 59 states and 89 transitions. [2020-12-01 17:13:09,599 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2020-12-01 17:13:09,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:13:09,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:10,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 41 conjunts are in the unsatisfiable core [2020-12-01 17:13:10,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:13:10,874 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2020-12-01 17:13:10,876 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:13:10,884 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:13:10,886 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:13:10,887 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:8 [2020-12-01 17:13:12,059 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 17:13:12,060 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:13:12,069 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:13:12,070 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:13:12,070 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2020-12-01 17:13:12,540 INFO L348 Elim1Store]: treesize reduction 34, result has 57.0 percent of original size [2020-12-01 17:13:12,540 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 3 case distinctions, treesize of input 31 treesize of output 59 [2020-12-01 17:13:12,543 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:13:12,623 INFO L625 ElimStorePlain]: treesize reduction 24, result has 64.7 percent of original size [2020-12-01 17:13:12,624 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:13:12,624 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:44 [2020-12-01 17:13:13,313 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:13:13,314 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:13:13,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:13,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:13,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:13,578 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-12-01 17:13:13,579 INFO L348 Elim1Store]: treesize reduction 10, result has 93.3 percent of original size [2020-12-01 17:13:13,579 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 54 treesize of output 174 [2020-12-01 17:13:13,583 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:13:13,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:13,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:13,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-01 17:13:13,599 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 35 treesize of output 31 [2020-12-01 17:13:13,602 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 17:13:13,641 INFO L625 ElimStorePlain]: treesize reduction 218, result has 5.2 percent of original size [2020-12-01 17:13:13,642 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:13:13,643 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:98, output treesize:12 [2020-12-01 17:13:14,556 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-12-01 17:13:14,558 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:13:14,569 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:13:14,570 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:13:14,570 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2020-12-01 17:13:15,004 INFO L348 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2020-12-01 17:13:15,005 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 38 treesize of output 32 [2020-12-01 17:13:15,007 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:13:15,033 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:13:15,034 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 17:13:15,034 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:37 [2020-12-01 17:13:15,713 INFO L348 Elim1Store]: treesize reduction 70, result has 19.5 percent of original size [2020-12-01 17:13:15,713 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 55 [2020-12-01 17:13:15,716 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 17:13:15,746 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 17:13:15,748 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-01 17:13:15,748 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:61, output treesize:75 [2020-12-01 17:13:18,277 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 17:14:24,671 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-12-01 17:14:48,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:14:48,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 64 states and 100 transitions. [2020-12-01 17:14:48,068 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2020-12-01 17:14:48,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:14:48,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:14:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:14:48,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 17:14:48,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:14:48,216 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:15:02,748 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-01 17:15:03,504 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-01 17:15:04,843 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-01 17:15:04,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 71 states and 112 transitions. [2020-12-01 17:15:04,885 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 112 transitions. [2020-12-01 17:15:04,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:15:04,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:04,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-01 17:15:04,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:15:08,146 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:15:23,985 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-01 17:15:25,825 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-01 17:15:26,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:26,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 82 states and 128 transitions. [2020-12-01 17:15:26,111 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 128 transitions. [2020-12-01 17:15:26,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:15:26,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:26,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-01 17:15:26,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:15:29,604 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 17:15:34,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:34,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 128 transitions. [2020-12-01 17:15:34,651 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2020-12-01 17:15:34,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:15:34,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2020-12-01 17:15:44,817 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 17:15:44,821 INFO L168 Benchmark]: Toolchain (without parser) took 386333.74 ms. Allocated memory was 94.4 MB in the beginning and 497.0 MB in the end (delta: 402.7 MB). Free memory was 65.6 MB in the beginning and 298.0 MB in the end (delta: -232.4 MB). Peak memory consumption was 171.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:44,821 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory was 53.4 MB in the beginning and 53.4 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:15:44,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.14 ms. Allocated memory is still 94.4 MB. Free memory was 65.4 MB in the beginning and 71.8 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:44,822 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.88 ms. Allocated memory is still 94.4 MB. Free memory was 71.8 MB in the beginning and 70.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:15:44,822 INFO L168 Benchmark]: Boogie Preprocessor took 35.77 ms. Allocated memory is still 94.4 MB. Free memory was 70.1 MB in the beginning and 68.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:44,823 INFO L168 Benchmark]: RCFGBuilder took 947.81 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 68.5 MB in the beginning and 86.6 MB in the end (delta: -18.1 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:44,823 INFO L168 Benchmark]: CodeCheck took 384920.66 ms. Allocated memory was 113.2 MB in the beginning and 497.0 MB in the end (delta: 383.8 MB). Free memory was 86.6 MB in the beginning and 298.0 MB in the end (delta: -211.4 MB). Peak memory consumption was 174.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:44,829 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 0.31 ms. Allocated memory is still 94.4 MB. Free memory was 53.4 MB in the beginning and 53.4 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 367.14 ms. Allocated memory is still 94.4 MB. Free memory was 65.4 MB in the beginning and 71.8 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.88 ms. Allocated memory is still 94.4 MB. Free memory was 71.8 MB in the beginning and 70.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.77 ms. Allocated memory is still 94.4 MB. Free memory was 70.1 MB in the beginning and 68.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 947.81 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 68.5 MB in the beginning and 86.6 MB in the end (delta: -18.1 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. * CodeCheck took 384920.66 ms. Allocated memory was 113.2 MB in the beginning and 497.0 MB in the end (delta: 383.8 MB). Free memory was 86.6 MB in the beginning and 298.0 MB in the end (delta: -211.4 MB). Peak memory consumption was 174.5 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 17:15:47,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:15:47,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:15:47,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:15:47,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:15:47,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:15:47,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:15:47,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:15:47,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:15:47,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:15:47,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:15:47,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:15:47,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:15:47,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:15:47,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:15:47,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:15:47,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:15:47,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:15:47,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:15:47,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:15:47,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:15:47,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:15:47,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:15:47,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:15:47,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:15:47,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:15:47,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:15:47,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:15:47,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:15:47,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:15:47,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:15:47,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:15:47,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:15:47,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:15:47,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:15:47,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:15:47,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:15:47,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:15:47,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:15:47,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:15:47,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:15:47,617 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 17:15:47,671 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:15:47,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:15:47,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:15:47,674 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:15:47,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:15:47,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:15:47,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:15:47,677 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:15:47,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:15:47,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:15:47,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:15:47,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:15:47,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:15:47,680 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 17:15:47,680 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 17:15:47,681 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 17:15:47,681 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:15:47,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:15:47,681 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:15:47,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:15:47,682 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:15:47,682 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:15:47,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:15:47,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:15:47,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:15:47,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:15:47,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:15:47,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:15:47,684 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 17:15:47,685 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 17:15:47,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:15:47,685 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 17:15:47,686 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 17:15:47,686 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_1447ba3b-8282-45b2-8e4a-3742b959d881/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ccf94c54f73fb7b11310355eee145158799db73 [2020-12-01 17:15:48,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:15:48,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:15:48,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:15:48,219 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:15:48,220 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:15:48,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/../../sv-benchmarks/c/array-fpi/ifncomp.c [2020-12-01 17:15:48,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/data/53da761a9/907dce55ba474bce8f20c1bbdffed9ab/FLAGd81d2e85c [2020-12-01 17:15:48,974 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:15:48,975 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/sv-benchmarks/c/array-fpi/ifncomp.c [2020-12-01 17:15:48,989 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/data/53da761a9/907dce55ba474bce8f20c1bbdffed9ab/FLAGd81d2e85c [2020-12-01 17:15:49,338 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/data/53da761a9/907dce55ba474bce8f20c1bbdffed9ab [2020-12-01 17:15:49,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:15:49,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:15:49,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:15:49,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:15:49,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:15:49,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:15:49" (1/1) ... [2020-12-01 17:15:49,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c63e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:49, skipping insertion in model container [2020-12-01 17:15:49,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:15:49" (1/1) ... [2020-12-01 17:15:49,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:15:49,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:15:49,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:15:49,687 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:15:49,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:15:49,808 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:15:49,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:49 WrapperNode [2020-12-01 17:15:49,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:15:49,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:15:49,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:15:49,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:15:49,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:49" (1/1) ... [2020-12-01 17:15:49,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:49" (1/1) ... [2020-12-01 17:15:49,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:15:49,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:15:49,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:15:49,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:15:49,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:49" (1/1) ... [2020-12-01 17:15:49,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:49" (1/1) ... [2020-12-01 17:15:49,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:49" (1/1) ... [2020-12-01 17:15:49,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:49" (1/1) ... [2020-12-01 17:15:49,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:49" (1/1) ... [2020-12-01 17:15:49,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:49" (1/1) ... [2020-12-01 17:15:49,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:49" (1/1) ... [2020-12-01 17:15:49,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:15:49,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:15:49,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:15:49,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:15:49,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1447ba3b-8282-45b2-8e4a-3742b959d881/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:15:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 17:15:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:15:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2020-12-01 17:15:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 17:15:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:15:50,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:15:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2020-12-01 17:15:51,978 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:15:51,979 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-01 17:15:51,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:15:51 BoogieIcfgContainer [2020-12-01 17:15:51,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:15:51,982 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:15:51,982 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:15:51,995 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:15:51,995 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:15:51" (1/1) ... [2020-12-01 17:15:52,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:15:52,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:52,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2020-12-01 17:15:52,044 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2020-12-01 17:15:52,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:15:52,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:52,093 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-01 17:15:52,098 INFO L168 Benchmark]: Toolchain (without parser) took 2753.35 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 35.1 MB in the beginning and 56.1 MB in the end (delta: -21.0 MB). Peak memory consumption was 1.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:52,099 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 56.6 MB. Free memory was 38.4 MB in the beginning and 38.4 MB in the end (delta: 25.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:15:52,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.84 ms. Allocated memory is still 56.6 MB. Free memory was 34.8 MB in the beginning and 38.7 MB in the end (delta: -3.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:52,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.56 ms. Allocated memory is still 56.6 MB. Free memory was 38.7 MB in the beginning and 37.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:15:52,102 INFO L168 Benchmark]: Boogie Preprocessor took 77.73 ms. Allocated memory is still 56.6 MB. Free memory was 37.0 MB in the beginning and 35.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:52,103 INFO L168 Benchmark]: RCFGBuilder took 2015.66 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 35.4 MB in the beginning and 60.7 MB in the end (delta: -25.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:52,104 INFO L168 Benchmark]: CodeCheck took 113.45 ms. Allocated memory is still 79.7 MB. Free memory was 60.7 MB in the beginning and 56.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:15:52,108 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 0.35 ms. Allocated memory is still 56.6 MB. Free memory was 38.4 MB in the beginning and 38.4 MB in the end (delta: 25.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 460.84 ms. Allocated memory is still 56.6 MB. Free memory was 34.8 MB in the beginning and 38.7 MB in the end (delta: -3.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.56 ms. Allocated memory is still 56.6 MB. Free memory was 38.7 MB in the beginning and 37.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.73 ms. Allocated memory is still 56.6 MB. Free memory was 37.0 MB in the beginning and 35.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2015.66 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 35.4 MB in the beginning and 60.7 MB in the end (delta: -25.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * CodeCheck took 113.45 ms. Allocated memory is still 79.7 MB. Free memory was 60.7 MB in the beginning and 56.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...