./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ac3b0550-df69-4388-89bb-100b70bfd21e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ac3b0550-df69-4388-89bb-100b70bfd21e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ac3b0550-df69-4388-89bb-100b70bfd21e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ac3b0550-df69-4388-89bb-100b70bfd21e/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ac3b0550-df69-4388-89bb-100b70bfd21e/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ac3b0550-df69-4388-89bb-100b70bfd21e/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a2eb39e0d0d0fa911fcf8a16c5f9511be1d37325 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:24:29,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:24:29,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:24:29,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:24:29,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:24:29,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:24:29,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:24:29,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:24:29,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:24:29,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:24:29,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:24:29,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:24:29,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:24:29,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:24:29,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:24:29,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:24:29,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:24:29,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:24:29,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:24:29,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:24:29,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:24:29,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:24:29,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:24:29,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:24:29,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:24:29,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:24:29,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:24:29,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:24:29,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:24:29,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:24:29,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:24:29,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:24:29,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:24:29,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:24:29,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:24:29,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:24:29,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:24:29,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:24:29,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:24:29,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:24:29,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:24:29,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ac3b0550-df69-4388-89bb-100b70bfd21e/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 16:24:29,310 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:24:29,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:24:29,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:24:29,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:24:29,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:24:29,313 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:24:29,313 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:24:29,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:24:29,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:24:29,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:24:29,314 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 16:24:29,314 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 16:24:29,315 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 16:24:29,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:24:29,315 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:24:29,315 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:24:29,316 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:24:29,316 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:24:29,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:24:29,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:24:29,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:24:29,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:24:29,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:24:29,317 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:24:29,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:24:29,318 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_ac3b0550-df69-4388-89bb-100b70bfd21e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ac3b0550-df69-4388-89bb-100b70bfd21e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2eb39e0d0d0fa911fcf8a16c5f9511be1d37325 [2020-12-01 16:24:29,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:24:29,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:24:29,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:24:29,793 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:24:29,797 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:24:29,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ac3b0550-df69-4388-89bb-100b70bfd21e/bin/ukojak/../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2020-12-01 16:24:29,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ac3b0550-df69-4388-89bb-100b70bfd21e/bin/ukojak/data/1e7697fa4/9732e9f5900b45a5a1a4a818cfbd1b53/FLAG160455d98 [2020-12-01 16:24:30,759 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:24:30,765 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ac3b0550-df69-4388-89bb-100b70bfd21e/sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2020-12-01 16:24:30,799 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ac3b0550-df69-4388-89bb-100b70bfd21e/bin/ukojak/data/1e7697fa4/9732e9f5900b45a5a1a4a818cfbd1b53/FLAG160455d98 [2020-12-01 16:24:30,992 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ac3b0550-df69-4388-89bb-100b70bfd21e/bin/ukojak/data/1e7697fa4/9732e9f5900b45a5a1a4a818cfbd1b53 [2020-12-01 16:24:30,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:24:31,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:24:31,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:24:31,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:24:31,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:24:31,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:24:30" (1/1) ... [2020-12-01 16:24:31,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58efc464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:31, skipping insertion in model container [2020-12-01 16:24:31,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:24:30" (1/1) ... [2020-12-01 16:24:31,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:24:31,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:24:31,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:24:31,653 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:24:31,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:24:31,790 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:24:31,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:31 WrapperNode [2020-12-01 16:24:31,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:24:31,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:24:31,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:24:31,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:24:31,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:31" (1/1) ... [2020-12-01 16:24:31,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:31" (1/1) ... [2020-12-01 16:24:31,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:24:31,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:24:31,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:24:31,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:24:31,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:31" (1/1) ... [2020-12-01 16:24:31,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:31" (1/1) ... [2020-12-01 16:24:31,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:31" (1/1) ... [2020-12-01 16:24:31,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:31" (1/1) ... [2020-12-01 16:24:31,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:31" (1/1) ... [2020-12-01 16:24:31,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:31" (1/1) ... [2020-12-01 16:24:31,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:31" (1/1) ... [2020-12-01 16:24:31,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:24:31,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:24:31,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:24:31,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:24:31,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac3b0550-df69-4388-89bb-100b70bfd21e/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:24:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 16:24:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:24:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:24:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:24:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:24:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:24:32,805 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:24:32,807 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 16:24:32,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:24:32 BoogieIcfgContainer [2020-12-01 16:24:32,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:24:32,816 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:24:32,816 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:24:32,833 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:24:32,834 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:24:32" (1/1) ... [2020-12-01 16:24:32,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:24:32,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:32,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2020-12-01 16:24:32,916 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-12-01 16:24:32,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 16:24:32,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:33,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:33,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2020-12-01 16:24:33,259 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2020-12-01 16:24:33,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 16:24:33,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:33,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:33,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2020-12-01 16:24:33,777 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2020-12-01 16:24:33,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:24:33,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:33,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:34,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:34,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2020-12-01 16:24:34,051 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2020-12-01 16:24:34,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:24:34,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:34,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:34,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2020-12-01 16:24:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2020-12-01 16:24:34,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 16:24:34,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:35,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:35,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2020-12-01 16:24:35,660 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2020-12-01 16:24:35,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:24:35,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:35,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:36,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:36,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2020-12-01 16:24:36,346 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2020-12-01 16:24:36,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:24:36,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:36,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:36,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2020-12-01 16:24:36,765 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2020-12-01 16:24:36,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:24:36,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:38,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:38,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2020-12-01 16:24:38,124 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2020-12-01 16:24:38,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:24:38,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:38,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:24:38,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:38,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2020-12-01 16:24:38,200 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2020-12-01 16:24:38,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:24:38,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:38,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:39,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 51 transitions. [2020-12-01 16:24:39,510 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2020-12-01 16:24:39,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:24:39,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:39,710 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 16:24:41,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:41,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 43 states and 59 transitions. [2020-12-01 16:24:41,421 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2020-12-01 16:24:41,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 16:24:41,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:41,782 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:42,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:42,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2020-12-01 16:24:42,563 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2020-12-01 16:24:42,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 16:24:42,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:43,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:45,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:45,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2020-12-01 16:24:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2020-12-01 16:24:45,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:24:45,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:45,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:24:45,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:45,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2020-12-01 16:24:45,298 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2020-12-01 16:24:45,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:24:45,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:45,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:24:45,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:45,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 65 transitions. [2020-12-01 16:24:45,967 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-12-01 16:24:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:24:45,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:46,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:24:46,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:46,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 64 transitions. [2020-12-01 16:24:46,047 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2020-12-01 16:24:46,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:24:46,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:24:46,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:46,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 65 transitions. [2020-12-01 16:24:46,305 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-12-01 16:24:46,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:24:46,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:46,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:49,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:49,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2020-12-01 16:24:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2020-12-01 16:24:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:24:49,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:49,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:24:49,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:49,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 82 transitions. [2020-12-01 16:24:49,867 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2020-12-01 16:24:49,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:24:49,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:24:50,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:50,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 81 transitions. [2020-12-01 16:24:50,278 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2020-12-01 16:24:50,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:24:50,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:50,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:24:50,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:50,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 82 transitions. [2020-12-01 16:24:50,404 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2020-12-01 16:24:50,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:24:50,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:24:51,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:51,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 59 states and 86 transitions. [2020-12-01 16:24:51,692 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2020-12-01 16:24:51,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:24:51,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:24:51,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:51,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 58 states and 85 transitions. [2020-12-01 16:24:51,739 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2020-12-01 16:24:51,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:24:51,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:51,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:24:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:51,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2020-12-01 16:24:51,971 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2020-12-01 16:24:51,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:24:51,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:24:52,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:52,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2020-12-01 16:24:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2020-12-01 16:24:52,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:24:52,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:53,306 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:57,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:57,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 63 states and 92 transitions. [2020-12-01 16:24:57,312 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2020-12-01 16:24:57,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:24:57,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:57,351 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:24:58,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:58,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 65 states and 94 transitions. [2020-12-01 16:24:58,454 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 94 transitions. [2020-12-01 16:24:58,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:24:58,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:59,011 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:59,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 66 states and 95 transitions. [2020-12-01 16:24:59,826 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-12-01 16:24:59,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:24:59,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:59,862 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:25:03,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:03,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 73 states and 109 transitions. [2020-12-01 16:25:03,629 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 109 transitions. [2020-12-01 16:25:03,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:25:03,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:03,676 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:25:04,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:04,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 74 states and 111 transitions. [2020-12-01 16:25:04,802 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2020-12-01 16:25:04,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:25:04,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:04,840 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:05,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:05,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2020-12-01 16:25:05,241 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2020-12-01 16:25:05,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:25:05,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:05,540 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:25:06,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:06,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 80 states and 119 transitions. [2020-12-01 16:25:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 119 transitions. [2020-12-01 16:25:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:25:06,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:06,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:25:06,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:06,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 80 states and 118 transitions. [2020-12-01 16:25:06,975 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 118 transitions. [2020-12-01 16:25:06,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:25:06,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:07,025 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:07,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:07,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 84 states and 121 transitions. [2020-12-01 16:25:07,088 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2020-12-01 16:25:07,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:25:07,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:07,493 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:25:09,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:09,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 83 states and 120 transitions. [2020-12-01 16:25:09,274 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2020-12-01 16:25:09,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:25:09,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:16,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:16,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 96 states and 144 transitions. [2020-12-01 16:25:16,433 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 144 transitions. [2020-12-01 16:25:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:25:16,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:25:16,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:16,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 95 states and 143 transitions. [2020-12-01 16:25:16,533 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 143 transitions. [2020-12-01 16:25:16,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:25:16,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:16,572 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:25:17,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:17,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 96 states and 144 transitions. [2020-12-01 16:25:17,560 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 144 transitions. [2020-12-01 16:25:17,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:25:17,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:25:18,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:18,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 97 states and 146 transitions. [2020-12-01 16:25:18,908 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 146 transitions. [2020-12-01 16:25:18,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:25:18,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:25:18,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:18,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 101 states and 149 transitions. [2020-12-01 16:25:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 149 transitions. [2020-12-01 16:25:18,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:25:18,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:20,563 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:25:31,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:31,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 106 states and 159 transitions. [2020-12-01 16:25:31,856 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 159 transitions. [2020-12-01 16:25:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:25:31,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:25:33,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:33,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 107 states and 161 transitions. [2020-12-01 16:25:33,229 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 161 transitions. [2020-12-01 16:25:33,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:25:33,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:33,255 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:25:33,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 106 states and 160 transitions. [2020-12-01 16:25:33,494 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 160 transitions. [2020-12-01 16:25:33,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:25:33,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:35,583 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:25:42,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:42,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 117 states and 178 transitions. [2020-12-01 16:25:42,496 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 178 transitions. [2020-12-01 16:25:42,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:25:42,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:43,135 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:25:43,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:43,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 118 states and 180 transitions. [2020-12-01 16:25:43,969 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 180 transitions. [2020-12-01 16:25:43,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:25:43,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:44,483 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:25:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:45,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 119 states and 182 transitions. [2020-12-01 16:25:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 182 transitions. [2020-12-01 16:25:45,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:25:45,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:46,446 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:25:50,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:50,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 121 states and 185 transitions. [2020-12-01 16:25:50,259 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 185 transitions. [2020-12-01 16:25:50,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:25:50,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:50,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 125 states and 188 transitions. [2020-12-01 16:25:50,389 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 188 transitions. [2020-12-01 16:25:50,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:25:50,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:50,425 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:50,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:50,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 129 states and 191 transitions. [2020-12-01 16:25:50,519 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 191 transitions. [2020-12-01 16:25:50,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:25:50,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:50,680 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:25:52,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 133 states and 194 transitions. [2020-12-01 16:25:52,157 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 194 transitions. [2020-12-01 16:25:52,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:25:52,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:52,245 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:25:53,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:53,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 137 states and 197 transitions. [2020-12-01 16:25:53,098 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 197 transitions. [2020-12-01 16:25:53,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:25:53,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:53,154 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:25:53,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:53,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 141 states and 200 transitions. [2020-12-01 16:25:53,247 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 200 transitions. [2020-12-01 16:25:53,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:25:53,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:53,309 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:25:58,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:58,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 147 states and 209 transitions. [2020-12-01 16:25:58,271 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 209 transitions. [2020-12-01 16:25:58,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:25:58,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:58,644 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:25:58,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:58,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 147 states and 208 transitions. [2020-12-01 16:25:58,750 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 208 transitions. [2020-12-01 16:25:58,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:25:58,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:58,793 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:26:00,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:00,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 148 states and 208 transitions. [2020-12-01 16:26:00,168 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 208 transitions. [2020-12-01 16:26:00,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:26:00,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:00,212 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-12-01 16:26:10,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:10,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 159 states and 226 transitions. [2020-12-01 16:26:10,763 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 226 transitions. [2020-12-01 16:26:10,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:26:10,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:10,798 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:26:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 163 states and 229 transitions. [2020-12-01 16:26:10,901 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 229 transitions. [2020-12-01 16:26:10,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:26:10,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 24 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:26:15,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:15,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 163 states and 227 transitions. [2020-12-01 16:26:15,127 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 227 transitions. [2020-12-01 16:26:15,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:26:15,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-01 16:26:22,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:22,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 165 states and 232 transitions. [2020-12-01 16:26:22,242 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 232 transitions. [2020-12-01 16:26:22,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:26:22,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-01 16:26:24,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:24,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 104 states and 122 transitions. [2020-12-01 16:26:24,207 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2020-12-01 16:26:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:26:24,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:24,249 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-12-01 16:26:24,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 108 states and 125 transitions. [2020-12-01 16:26:24,317 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2020-12-01 16:26:24,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:26:24,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:24,372 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-12-01 16:26:24,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:24,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 112 states and 128 transitions. [2020-12-01 16:26:24,446 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 128 transitions. [2020-12-01 16:26:24,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:26:24,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:24,532 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-12-01 16:26:40,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:40,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 132 states and 153 transitions. [2020-12-01 16:26:40,618 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 153 transitions. [2020-12-01 16:26:40,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:26:40,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:40,712 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-12-01 16:26:40,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 136 states and 156 transitions. [2020-12-01 16:26:40,797 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 156 transitions. [2020-12-01 16:26:40,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:26:40,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:40,863 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-12-01 16:26:40,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:40,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 140 states and 159 transitions. [2020-12-01 16:26:40,942 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 159 transitions. [2020-12-01 16:26:40,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:26:40,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-12-01 16:26:41,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:41,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2020-12-01 16:26:41,100 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2020-12-01 16:26:41,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:26:41,101 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 67 iterations. [2020-12-01 16:26:41,116 INFO L765 CodeCheckObserver]: All specifications hold 15 specifications checked. All of them hold [2020-12-01 16:26:41,932 WARN L197 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2020-12-01 16:26:42,445 WARN L197 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-12-01 16:26:42,633 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-01 16:26:43,247 WARN L197 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2020-12-01 16:26:43,442 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-12-01 16:26:43,578 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 23 [2020-12-01 16:26:44,068 WARN L197 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-12-01 16:26:44,611 WARN L197 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-12-01 16:26:44,792 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-12-01 16:26:45,261 WARN L197 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-12-01 16:26:45,760 WARN L197 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2020-12-01 16:26:46,335 WARN L197 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2020-12-01 16:26:46,339 INFO L569 CodeCheckObserver]: Invariant with dag size 53 [2020-12-01 16:26:46,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,389 INFO L569 CodeCheckObserver]: Invariant with dag size 23 [2020-12-01 16:26:46,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,399 INFO L569 CodeCheckObserver]: Invariant with dag size 40 [2020-12-01 16:26:46,404 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,419 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 16:26:46,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:26:46 ImpRootNode [2020-12-01 16:26:46,420 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:26:46,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:26:46,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:26:46,421 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:26:46,425 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:24:32" (3/4) ... [2020-12-01 16:26:46,428 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:26:46,449 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2020-12-01 16:26:46,459 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 16:26:46,460 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:26:46,510 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((numbers == __builtin_alloca (array_size * sizeof(int)) && \valid[numbers] == 1) && 1 <= array_size) && 1 <= k) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && unknown-#length-unknown[numbers] == 4 * array_size) && k <= 1) && numbers == 0) || (((((((k <= 3 && numbers == __builtin_alloca (array_size * sizeof(int))) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && unknown-#length-unknown[numbers] == 4 * array_size) && 3 <= array_size) && 2 < k) && numbers == 0)) || ((((((k == 0 && numbers == __builtin_alloca (array_size * sizeof(int))) && \valid[numbers] == 1) && 1 <= array_size) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && unknown-#length-unknown[numbers] == 4 * array_size) && numbers == 0)) || (((((3 < k && 4 <= array_size) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && unknown-#length-unknown[numbers] == 4 * array_size) && numbers == 0)) || (((((((numbers == __builtin_alloca (array_size * sizeof(int)) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 2 <= array_size) && k <= 2) && unknown-#length-unknown[numbers] == 4 * array_size) && 1 < k) && numbers == 0) [2020-12-01 16:26:46,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (i < 0 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) || (((numbers == 0 && 4 * i + 4 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) [2020-12-01 16:26:46,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((numbers == 0 && 4 * i + 4 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && i + 1 <= j) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 2 < i) || (((((i <= j && numbers == 0) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 2 < i) && 4 * j + 4 <= unknown-#length-unknown[numbers])) || (((((numbers == 0 && 4 * i + 4 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && j == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 2 < i)) || ((((((numbers == 0 && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && i <= 2) && 4 * j + 4 <= unknown-#length-unknown[numbers]) && j < i + 1) && 2 <= j)) || (((((numbers == 0 && 4 * i + 4 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && j < i) && 2 <= j)) || (((((numbers == 0 && \valid[numbers] == 1) && j == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 4 <= unknown-#length-unknown[numbers]) && i <= 0)) || (((((numbers == 0 && 8 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && j == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && i <= 1)) || (((((numbers == 0 && \valid[numbers] == 1) && j == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && i <= 2) && 12 <= unknown-#length-unknown[numbers])) || ((((((numbers == 0 && 8 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && i + 1 <= j) && 0 < i) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && i <= 1)) || ((((((numbers == 0 && 8 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && i + 1 <= j) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && i <= 2) && 1 < i) [2020-12-01 16:26:46,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-12-01 16:26:46,567 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ac3b0550-df69-4388-89bb-100b70bfd21e/bin/ukojak/witness.graphml [2020-12-01 16:26:46,572 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:26:46,573 INFO L168 Benchmark]: Toolchain (without parser) took 135570.20 ms. Allocated memory was 96.5 MB in the beginning and 903.9 MB in the end (delta: 807.4 MB). Free memory was 64.6 MB in the beginning and 464.2 MB in the end (delta: -399.6 MB). Peak memory consumption was 407.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:46,574 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 96.5 MB. Free memory was 54.5 MB in the beginning and 54.5 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:26:46,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.73 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 64.6 MB in the beginning and 82.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:46,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.98 ms. Allocated memory is still 117.4 MB. Free memory was 82.9 MB in the beginning and 81.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:46,578 INFO L168 Benchmark]: Boogie Preprocessor took 37.69 ms. Allocated memory is still 117.4 MB. Free memory was 81.3 MB in the beginning and 79.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:46,578 INFO L168 Benchmark]: RCFGBuilder took 919.07 ms. Allocated memory is still 117.4 MB. Free memory was 79.7 MB in the beginning and 52.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:46,579 INFO L168 Benchmark]: CodeCheck took 133604.55 ms. Allocated memory was 117.4 MB in the beginning and 903.9 MB in the end (delta: 786.4 MB). Free memory was 52.4 MB in the beginning and 467.4 MB in the end (delta: -414.9 MB). Peak memory consumption was 518.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:46,580 INFO L168 Benchmark]: Witness Printer took 151.29 ms. Allocated memory is still 903.9 MB. Free memory was 467.4 MB in the beginning and 464.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:26:46,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 30 locations, 15 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 128.2s, OverallIterations: 67, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 584280780 SDslu, 1591636796 SDs, 0 SdLazy, 842835236 SolverSat, -1205645152 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 76.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11931 GetRequests, 10804 SyntacticMatches, 565 SemanticMatches, 562 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166693 ImplicationChecksByTransitivity, 120.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 17.5s InterpolantComputationTime, 1358 NumberOfCodeBlocks, 1358 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 1292 ConstructedInterpolants, 0 QuantifiedInterpolants, 232086 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 29 PerfectInterpolantSequences, 1160/1441 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 525]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 534]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 534]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 516]: Loop Invariant [2020-12-01 16:26:46,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: (((((((((((((numbers == 0 && 4 * i + 4 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && i + 1 <= j) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 2 < i) || (((((i <= j && numbers == 0) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 2 < i) && 4 * j + 4 <= unknown-#length-unknown[numbers])) || (((((numbers == 0 && 4 * i + 4 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && j == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 2 < i)) || ((((((numbers == 0 && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && i <= 2) && 4 * j + 4 <= unknown-#length-unknown[numbers]) && j < i + 1) && 2 <= j)) || (((((numbers == 0 && 4 * i + 4 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && j < i) && 2 <= j)) || (((((numbers == 0 && \valid[numbers] == 1) && j == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 4 <= unknown-#length-unknown[numbers]) && i <= 0)) || (((((numbers == 0 && 8 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && j == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && i <= 1)) || (((((numbers == 0 && \valid[numbers] == 1) && j == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && i <= 2) && 12 <= unknown-#length-unknown[numbers])) || ((((((numbers == 0 && 8 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && i + 1 <= j) && 0 < i) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && i <= 1)) || ((((((numbers == 0 && 8 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && i + 1 <= j) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && i <= 2) && 1 < i) - InvariantResult [Line: 515]: Loop Invariant [2020-12-01 16:26:46,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: (i < 0 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) || (((numbers == 0 && 4 * i + 4 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) - InvariantResult [Line: 532]: Loop Invariant [2020-12-01 16:26:46,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,629 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 16:26:46,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((((numbers == __builtin_alloca (array_size * sizeof(int)) && \valid[numbers] == 1) && 1 <= array_size) && 1 <= k) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && unknown-#length-unknown[numbers] == 4 * array_size) && k <= 1) && numbers == 0) || (((((((k <= 3 && numbers == __builtin_alloca (array_size * sizeof(int))) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && unknown-#length-unknown[numbers] == 4 * array_size) && 3 <= array_size) && 2 < k) && numbers == 0)) || ((((((k == 0 && numbers == __builtin_alloca (array_size * sizeof(int))) && \valid[numbers] == 1) && 1 <= array_size) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && unknown-#length-unknown[numbers] == 4 * array_size) && numbers == 0)) || (((((3 < k && 4 <= array_size) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && unknown-#length-unknown[numbers] == 4 * array_size) && numbers == 0)) || (((((((numbers == __builtin_alloca (array_size * sizeof(int)) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 2 <= array_size) && k <= 2) && unknown-#length-unknown[numbers] == 4 * array_size) && 1 < k) && numbers == 0) - InvariantResult [Line: 525]: Loop Invariant [2020-12-01 16:26:46,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 16:26:46,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 96.5 MB. Free memory was 54.5 MB in the beginning and 54.5 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 784.73 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 64.6 MB in the beginning and 82.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.98 ms. Allocated memory is still 117.4 MB. Free memory was 82.9 MB in the beginning and 81.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.69 ms. Allocated memory is still 117.4 MB. Free memory was 81.3 MB in the beginning and 79.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 919.07 ms. Allocated memory is still 117.4 MB. Free memory was 79.7 MB in the beginning and 52.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * CodeCheck took 133604.55 ms. Allocated memory was 117.4 MB in the beginning and 903.9 MB in the end (delta: 786.4 MB). Free memory was 52.4 MB in the beginning and 467.4 MB in the end (delta: -414.9 MB). Peak memory consumption was 518.8 MB. Max. memory is 16.1 GB. * Witness Printer took 151.29 ms. Allocated memory is still 903.9 MB. Free memory was 467.4 MB in the beginning and 464.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...