./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test23-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test23-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5a3ee374ac0f96e3c60321b5f69e75eb8e7b4b2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:30:41,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:30:41,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:30:41,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:30:41,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:30:41,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:30:41,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:30:41,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:30:41,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:30:41,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:30:41,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:30:41,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:30:41,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:30:41,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:30:41,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:30:41,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:30:41,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:30:41,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:30:41,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:30:41,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:30:41,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:30:41,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:30:41,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:30:41,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:30:41,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:30:41,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:30:41,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:30:41,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:30:41,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:30:41,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:30:41,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:30:41,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:30:41,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:30:41,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:30:41,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:30:41,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:30:41,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:30:41,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:30:41,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:30:41,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:30:41,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:30:41,596 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:30:41,649 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:30:41,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:30:41,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:30:41,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:30:41,654 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:30:41,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:30:41,655 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:30:41,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:30:41,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:30:41,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:30:41,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:30:41,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:30:41,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:30:41,659 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:30:41,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:30:41,659 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:30:41,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:30:41,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:30:41,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:30:41,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:30:41,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:30:41,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:30:41,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:30:41,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:30:41,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:30:41,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:30:41,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:30:41,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:30:41,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:30:41,664 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_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5a3ee374ac0f96e3c60321b5f69e75eb8e7b4b2 [2020-11-30 01:30:42,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:30:42,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:30:42,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:30:42,204 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:30:42,206 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:30:42,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/test23-2.c [2020-11-30 01:30:42,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/data/5b4fe5ea6/331f8c3f151f40fdb50ac542ee945e01/FLAG5872abf0d [2020-11-30 01:30:43,202 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:30:43,205 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/sv-benchmarks/c/ldv-regression/test23-2.c [2020-11-30 01:30:43,222 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/data/5b4fe5ea6/331f8c3f151f40fdb50ac542ee945e01/FLAG5872abf0d [2020-11-30 01:30:43,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/data/5b4fe5ea6/331f8c3f151f40fdb50ac542ee945e01 [2020-11-30 01:30:43,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:30:43,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:30:43,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:30:43,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:30:43,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:30:43,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df02ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43, skipping insertion in model container [2020-11-30 01:30:43,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:30:43,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:30:43,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:30:43,840 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:30:43,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:30:43,889 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:30:43,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43 WrapperNode [2020-11-30 01:30:43,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:30:43,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:30:43,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:30:43,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:30:43,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:30:43,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:30:43,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:30:43,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:30:43,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:30:43,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:30:43,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:30:43,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:30:43,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2020-11-30 01:30:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:30:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:30:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:30:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:30:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:30:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:30:44,840 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:30:44,840 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-11-30 01:30:44,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:44 BoogieIcfgContainer [2020-11-30 01:30:44,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:30:44,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:30:44,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:30:44,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:30:44,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:30:43" (1/3) ... [2020-11-30 01:30:44,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d629cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:30:44, skipping insertion in model container [2020-11-30 01:30:44,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (2/3) ... [2020-11-30 01:30:44,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d629cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:30:44, skipping insertion in model container [2020-11-30 01:30:44,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:44" (3/3) ... [2020-11-30 01:30:44,859 INFO L111 eAbstractionObserver]: Analyzing ICFG test23-2.c [2020-11-30 01:30:44,876 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:30:44,882 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:30:44,899 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:30:44,952 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:30:44,952 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:30:44,953 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:30:44,954 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:30:44,954 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:30:44,954 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:30:44,954 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:30:44,954 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:30:44,976 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-11-30 01:30:44,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 01:30:44,991 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:44,993 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:44,993 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:45,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:45,002 INFO L82 PathProgramCache]: Analyzing trace with hash 2100293056, now seen corresponding path program 1 times [2020-11-30 01:30:45,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:45,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116583953] [2020-11-30 01:30:45,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:45,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:45,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116583953] [2020-11-30 01:30:45,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:45,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:30:45,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746214542] [2020-11-30 01:30:45,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:30:45,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:45,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:30:45,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:30:45,460 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2020-11-30 01:30:45,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:45,487 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2020-11-30 01:30:45,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:30:45,489 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-11-30 01:30:45,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:45,511 INFO L225 Difference]: With dead ends: 31 [2020-11-30 01:30:45,521 INFO L226 Difference]: Without dead ends: 17 [2020-11-30 01:30:45,525 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:30:45,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-11-30 01:30:45,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-11-30 01:30:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-30 01:30:45,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2020-11-30 01:30:45,574 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 15 [2020-11-30 01:30:45,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:45,576 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2020-11-30 01:30:45,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:30:45,576 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-11-30 01:30:45,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:30:45,578 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:45,578 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:45,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:30:45,581 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:45,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:45,586 INFO L82 PathProgramCache]: Analyzing trace with hash 478567452, now seen corresponding path program 1 times [2020-11-30 01:30:45,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:45,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762509218] [2020-11-30 01:30:45,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:46,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:46,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762509218] [2020-11-30 01:30:46,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:46,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-30 01:30:46,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598587981] [2020-11-30 01:30:46,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-30 01:30:46,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:46,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-30 01:30:46,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-30 01:30:46,216 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand 11 states. [2020-11-30 01:30:47,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:47,222 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2020-11-30 01:30:47,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-30 01:30:47,227 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 16 [2020-11-30 01:30:47,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:30:47,229 INFO L225 Difference]: With dead ends: 63 [2020-11-30 01:30:47,229 INFO L226 Difference]: Without dead ends: 58 [2020-11-30 01:30:47,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2020-11-30 01:30:47,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-11-30 01:30:47,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 19. [2020-11-30 01:30:47,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-30 01:30:47,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2020-11-30 01:30:47,258 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2020-11-30 01:30:47,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:30:47,260 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2020-11-30 01:30:47,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-30 01:30:47,261 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2020-11-30 01:30:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:30:47,264 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:30:47,264 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:30:47,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:30:47,265 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:30:47,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:47,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1851619425, now seen corresponding path program 1 times [2020-11-30 01:30:47,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:47,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441415070] [2020-11-30 01:30:47,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:47,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:47,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441415070] [2020-11-30 01:30:47,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945934787] [2020-11-30 01:30:47,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:30:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:47,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 30 conjunts are in the unsatisfiable core [2020-11-30 01:30:47,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:30:48,216 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2020-11-30 01:30:48,217 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:30:48,240 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:30:48,251 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-30 01:30:48,252 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:80, output treesize:76 [2020-11-30 01:30:48,586 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-30 01:30:48,590 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:30:48,591 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 19 [2020-11-30 01:30:48,592 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:30:48,612 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:30:48,619 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-30 01:30:48,620 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:78, output treesize:33 [2020-11-30 01:30:50,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:50,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:30:50,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2020-11-30 01:30:50,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954228410] [2020-11-30 01:30:50,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-11-30 01:30:50,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:50,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-11-30 01:30:50,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=362, Unknown=1, NotChecked=0, Total=420 [2020-11-30 01:30:50,840 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand 21 states. [2020-11-30 01:30:51,943 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2020-11-30 01:30:57,335 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2020-11-30 01:31:02,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:02,391 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2020-11-30 01:31:02,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-11-30 01:31:02,393 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 18 [2020-11-30 01:31:02,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:02,395 INFO L225 Difference]: With dead ends: 71 [2020-11-30 01:31:02,397 INFO L226 Difference]: Without dead ends: 66 [2020-11-30 01:31:02,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=328, Invalid=1307, Unknown=5, NotChecked=0, Total=1640 [2020-11-30 01:31:02,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-11-30 01:31:02,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 21. [2020-11-30 01:31:02,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-11-30 01:31:02,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2020-11-30 01:31:02,420 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 18 [2020-11-30 01:31:02,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:02,421 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2020-11-30 01:31:02,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-11-30 01:31:02,421 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2020-11-30 01:31:02,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 01:31:02,422 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:02,422 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:02,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-30 01:31:02,651 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:02,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:02,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1495361690, now seen corresponding path program 2 times [2020-11-30 01:31:02,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:02,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915408593] [2020-11-30 01:31:02,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:02,947 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:02,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915408593] [2020-11-30 01:31:02,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417026940] [2020-11-30 01:31:02,948 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:31:03,040 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-30 01:31:03,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:31:03,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 46 conjunts are in the unsatisfiable core [2020-11-30 01:31:03,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:31:03,408 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2020-11-30 01:31:03,409 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:31:03,436 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:31:03,439 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 01:31:03,439 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:60, output treesize:56 [2020-11-30 01:31:04,007 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:31:04,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:31:04,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:31:04,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 25 [2020-11-30 01:31:04,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871434825] [2020-11-30 01:31:04,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-11-30 01:31:04,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:04,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-11-30 01:31:04,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2020-11-30 01:31:04,190 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand 26 states. [2020-11-30 01:31:04,953 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2020-11-30 01:31:05,281 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-11-30 01:31:05,651 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2020-11-30 01:31:05,871 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2020-11-30 01:31:06,558 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2020-11-30 01:31:06,805 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2020-11-30 01:31:07,499 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2020-11-30 01:31:07,756 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-11-30 01:31:08,205 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-11-30 01:31:08,601 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-11-30 01:31:08,888 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2020-11-30 01:31:09,133 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-11-30 01:31:09,546 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-11-30 01:31:09,741 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2020-11-30 01:31:09,970 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-11-30 01:31:10,177 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-11-30 01:31:10,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:10,184 INFO L93 Difference]: Finished difference Result 75 states and 83 transitions. [2020-11-30 01:31:10,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-11-30 01:31:10,185 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 20 [2020-11-30 01:31:10,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:10,199 INFO L225 Difference]: With dead ends: 75 [2020-11-30 01:31:10,200 INFO L226 Difference]: Without dead ends: 39 [2020-11-30 01:31:10,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 857 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=687, Invalid=3219, Unknown=0, NotChecked=0, Total=3906 [2020-11-30 01:31:10,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-11-30 01:31:10,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 23. [2020-11-30 01:31:10,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-30 01:31:10,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-11-30 01:31:10,207 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 20 [2020-11-30 01:31:10,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:10,207 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-11-30 01:31:10,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-11-30 01:31:10,208 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-11-30 01:31:10,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:31:10,209 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:10,209 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:10,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:31:10,423 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:10,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:10,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1592315053, now seen corresponding path program 1 times [2020-11-30 01:31:10,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:10,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129895013] [2020-11-30 01:31:10,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:10,536 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-30 01:31:10,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129895013] [2020-11-30 01:31:10,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:31:10,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-30 01:31:10,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256639581] [2020-11-30 01:31:10,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 01:31:10,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:10,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 01:31:10,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:31:10,539 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 9 states. [2020-11-30 01:31:10,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:10,738 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2020-11-30 01:31:10,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 01:31:10,739 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-11-30 01:31:10,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:10,739 INFO L225 Difference]: With dead ends: 39 [2020-11-30 01:31:10,740 INFO L226 Difference]: Without dead ends: 23 [2020-11-30 01:31:10,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-11-30 01:31:10,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-11-30 01:31:10,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-11-30 01:31:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-30 01:31:10,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2020-11-30 01:31:10,745 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 22 [2020-11-30 01:31:10,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:10,746 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2020-11-30 01:31:10,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 01:31:10,746 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2020-11-30 01:31:10,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:31:10,747 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:10,747 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:10,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:31:10,747 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:10,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:10,748 INFO L82 PathProgramCache]: Analyzing trace with hash 571246699, now seen corresponding path program 1 times [2020-11-30 01:31:10,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:10,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631456483] [2020-11-30 01:31:10,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:10,960 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:10,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631456483] [2020-11-30 01:31:10,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427311418] [2020-11-30 01:31:10,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:31:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:11,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 32 conjunts are in the unsatisfiable core [2020-11-30 01:31:11,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:31:11,307 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2020-11-30 01:31:11,307 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:31:11,330 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:31:11,332 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-30 01:31:11,333 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:80, output treesize:76 [2020-11-30 01:31:11,690 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-30 01:31:11,693 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:31:11,694 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 19 [2020-11-30 01:31:11,695 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:31:11,708 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:31:11,711 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-30 01:31:11,712 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:78, output treesize:33 [2020-11-30 01:31:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:13,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:31:13,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2020-11-30 01:31:13,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132406061] [2020-11-30 01:31:13,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-11-30 01:31:13,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:13,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-11-30 01:31:13,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=517, Unknown=1, NotChecked=0, Total=600 [2020-11-30 01:31:13,983 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 25 states. [2020-11-30 01:31:15,212 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-11-30 01:31:15,397 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2020-11-30 01:31:15,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:15,449 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2020-11-30 01:31:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-30 01:31:15,450 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 22 [2020-11-30 01:31:15,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:15,451 INFO L225 Difference]: With dead ends: 30 [2020-11-30 01:31:15,451 INFO L226 Difference]: Without dead ends: 25 [2020-11-30 01:31:15,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=286, Invalid=973, Unknown=1, NotChecked=0, Total=1260 [2020-11-30 01:31:15,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-30 01:31:15,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-11-30 01:31:15,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-30 01:31:15,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2020-11-30 01:31:15,460 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 22 [2020-11-30 01:31:15,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:15,460 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2020-11-30 01:31:15,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-11-30 01:31:15,460 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2020-11-30 01:31:15,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:31:15,461 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:15,461 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:15,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:31:15,685 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:15,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:15,685 INFO L82 PathProgramCache]: Analyzing trace with hash 722062576, now seen corresponding path program 2 times [2020-11-30 01:31:15,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:15,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390704553] [2020-11-30 01:31:15,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:16,023 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:16,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390704553] [2020-11-30 01:31:16,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005128537] [2020-11-30 01:31:16,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:31:16,109 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-30 01:31:16,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:31:16,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 51 conjunts are in the unsatisfiable core [2020-11-30 01:31:16,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:31:16,136 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2020-11-30 01:31:16,136 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:31:16,155 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:31:16,155 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:31:16,156 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:38 [2020-11-30 01:31:16,603 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:31:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:31:16,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:31:16,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 21 [2020-11-30 01:31:16,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838463133] [2020-11-30 01:31:16,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-11-30 01:31:16,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:16,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-11-30 01:31:16,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2020-11-30 01:31:16,724 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 22 states. [2020-11-30 01:31:17,434 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2020-11-30 01:31:17,725 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2020-11-30 01:31:18,024 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2020-11-30 01:31:18,224 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-11-30 01:31:18,422 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2020-11-30 01:31:18,735 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2020-11-30 01:31:19,564 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2020-11-30 01:31:19,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:19,566 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2020-11-30 01:31:19,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-30 01:31:19,566 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 24 [2020-11-30 01:31:19,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:19,566 INFO L225 Difference]: With dead ends: 30 [2020-11-30 01:31:19,567 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:31:19,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=351, Invalid=1209, Unknown=0, NotChecked=0, Total=1560 [2020-11-30 01:31:19,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:31:19,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:31:19,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:31:19,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:31:19,569 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-30 01:31:19,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:19,569 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:31:19,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-11-30 01:31:19,569 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:31:19,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:31:19,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:31:19,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:31:20,024 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 126 [2020-11-30 01:31:20,757 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 70 [2020-11-30 01:31:20,911 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2020-11-30 01:31:21,384 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2020-11-30 01:31:21,389 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 01:31:21,389 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:31:21,389 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:31:21,389 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:31:21,389 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:31:21,390 INFO L277 CegarLoopResult]: At program point L53(lines 33 54) the Hoare annotation is: true [2020-11-30 01:31:21,390 INFO L274 CegarLoopResult]: For program point L45(lines 45 47) no Hoare annotation was computed. [2020-11-30 01:31:21,390 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:31:21,390 INFO L274 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-11-30 01:31:21,390 INFO L274 CegarLoopResult]: For program point L25-2(line 25) no Hoare annotation was computed. [2020-11-30 01:31:21,390 INFO L270 CegarLoopResult]: At program point L25-3(lines 23 26) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_get_dummy_#res.offset| 0)) (.cse1 (= |~#d1~0.offset| 0))) (or (and (= |~#d2~0.offset| 0) .cse0 (= |ULTIMATE.start_get_dummy_#res.base| |~#d2~0.base|) .cse1) (and (= |~#d1~0.base| |ULTIMATE.start_get_dummy_#res.base|) .cse0 .cse1))) [2020-11-30 01:31:21,391 INFO L274 CegarLoopResult]: For program point L25-4(line 25) no Hoare annotation was computed. [2020-11-30 01:31:21,391 INFO L274 CegarLoopResult]: For program point L25-6(line 25) no Hoare annotation was computed. [2020-11-30 01:31:21,391 INFO L270 CegarLoopResult]: At program point L25-7(lines 23 26) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~pd1~0.base |~#d1~0.base|)) (.cse0 (= ULTIMATE.start_main_~pd1~0.offset 0)) (.cse2 (= |~#d1~0.offset| 0))) (or (and .cse0 .cse1 .cse2) (and (not (= |~#d1~0.base| |~#d2~0.base|)) (not .cse1) (not (= ULTIMATE.start_main_~pd1~0.base |ULTIMATE.start_get_dummy_#res.base|)) .cse2) (and (= |~#d2~0.offset| 0) .cse0 (= |ULTIMATE.start_get_dummy_#res.offset| 0) (= ULTIMATE.start_main_~pd1~0.base |~#d2~0.base|) .cse2))) [2020-11-30 01:31:21,391 INFO L270 CegarLoopResult]: At program point L46(lines 34 54) the Hoare annotation is: false [2020-11-30 01:31:21,391 INFO L274 CegarLoopResult]: For program point L42-1(lines 42 44) no Hoare annotation was computed. [2020-11-30 01:31:21,392 INFO L270 CegarLoopResult]: At program point L42-3(lines 42 44) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_main_~pd1~0.offset 0)) (.cse3 (= ULTIMATE.start_main_~pd1~0.base ULTIMATE.start_main_~pd2~0.base)) (.cse4 (= ULTIMATE.start_main_~pd2~0.base ULTIMATE.start_main_~pa~0.base)) (.cse5 (= |~#d1~0.offset| 0)) (.cse6 (< ULTIMATE.start_main_~i~0 (+ (select (select |#memory_int| ULTIMATE.start_main_~pa~0.base) ULTIMATE.start_main_~pa~0.offset) 1)))) (or (and (exists ((aux_div_ULTIMATE.start_main_~pd1~0.offset_88 Int)) (let ((.cse0 (* 3 ULTIMATE.start_main_~pa~0.offset)) (.cse1 (* 4 aux_div_ULTIMATE.start_main_~pd1~0.offset_88))) (and (<= 0 (+ .cse0 .cse1)) (<= (+ .cse0 ULTIMATE.start_main_~pd2~0.offset .cse1) 0) (= (+ (select (select |#memory_int| ULTIMATE.start_main_~pd2~0.base) (+ (* (div (+ (* ULTIMATE.start_main_~pa~0.offset (- 4)) (* aux_div_ULTIMATE.start_main_~pd1~0.offset_88 (- 4)) 8) (- 4)) 4) ULTIMATE.start_main_~pd2~0.offset 8)) 2) (+ ULTIMATE.start_main_~pa~0.offset aux_div_ULTIMATE.start_main_~pd1~0.offset_88))))) .cse2 .cse3 .cse4 (= ULTIMATE.start_main_~pd1~0.base |~#d1~0.base|) .cse5 .cse6 (<= 0 ULTIMATE.start_main_~pd2~0.offset)) (and (= |~#d2~0.offset| 0) .cse2 (= |ULTIMATE.start_get_dummy_#res.offset| 0) .cse3 .cse4 (= |ULTIMATE.start_get_dummy_#res.base| |~#d2~0.base|) (= ULTIMATE.start_main_~pd1~0.base |~#d2~0.base|) .cse5 (= ULTIMATE.start_main_~pd2~0.offset 0) (let ((.cse7 (div (+ (* ULTIMATE.start_main_~pa~0.offset (- 1)) 8) (- 4)))) (= (select (select |#memory_int| ULTIMATE.start_main_~pd2~0.base) (+ (* .cse7 4) ULTIMATE.start_main_~pd2~0.offset 8)) .cse7)) .cse6 (= (mod (* ULTIMATE.start_main_~pa~0.offset 3) (- 4)) 0)))) [2020-11-30 01:31:21,392 INFO L274 CegarLoopResult]: For program point L38(lines 38 48) no Hoare annotation was computed. [2020-11-30 01:31:21,392 INFO L274 CegarLoopResult]: For program point L42-4(lines 42 44) no Hoare annotation was computed. [2020-11-30 01:31:21,392 INFO L274 CegarLoopResult]: For program point L38-2(lines 38 48) no Hoare annotation was computed. [2020-11-30 01:31:21,393 INFO L270 CegarLoopResult]: At program point L30(lines 28 31) the Hoare annotation is: (let ((.cse3 (<= 1 |ULTIMATE.start_check_#res|)) (.cse0 (= ULTIMATE.start_main_~pd1~0.offset 0)) (.cse8 (= ULTIMATE.start_main_~pd1~0.base ULTIMATE.start_main_~pd2~0.base)) (.cse9 (= ULTIMATE.start_main_~pd2~0.base ULTIMATE.start_main_~pa~0.base)) (.cse1 (= |~#d1~0.offset| 0)) (.cse2 (< ULTIMATE.start_main_~i~0 (+ (select (select |#memory_int| ULTIMATE.start_main_~pa~0.base) ULTIMATE.start_main_~pa~0.offset) 1)))) (or (and .cse0 (= |ULTIMATE.start_get_dummy_#res.offset| 0) (= ULTIMATE.start_main_~pd1~0.base |~#d2~0.base|) .cse1 .cse2 (= |~#d2~0.offset| 0) .cse3 (= ULTIMATE.start_main_~pd1~0.base |ULTIMATE.start_get_dummy_#res.base|) (exists ((aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55 Int) (aux_div_ULTIMATE.start_main_~pa~0.offset_60 Int)) (let ((.cse6 (select |#memory_int| ULTIMATE.start_main_~pd2~0.base)) (.cse7 (* aux_div_ULTIMATE.start_main_~pa~0.offset_60 4))) (let ((.cse4 (* 4 aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55)) (.cse5 (select .cse6 (+ (* aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55 4) .cse7 8)))) (and (< 0 (+ .cse4 4)) (< ULTIMATE.start_main_~i~0 (+ .cse5 1)) (<= .cse4 0) (= aux_div_ULTIMATE.start_main_~pa~0.offset_60 (select .cse6 (+ ULTIMATE.start_main_~pd2~0.offset .cse7 8))) (<= .cse5 ULTIMATE.start_main_~i~0))))) .cse8 (not (= |~#d1~0.base| |ULTIMATE.start_get_dummy_#res.base|)) .cse9 (= ULTIMATE.start_main_~pd2~0.offset 0) (let ((.cse10 (div (+ (* ULTIMATE.start_main_~pa~0.offset (- 1)) 8) (- 4)))) (= (select (select |#memory_int| ULTIMATE.start_main_~pd2~0.base) (+ (* .cse10 4) ULTIMATE.start_main_~pd2~0.offset 8)) .cse10)) (= (mod (* ULTIMATE.start_main_~pa~0.offset 3) (- 4)) 0)) (and .cse3 (exists ((aux_div_ULTIMATE.start_main_~pd1~0.offset_88 Int)) (let ((.cse11 (* 3 ULTIMATE.start_main_~pa~0.offset)) (.cse12 (* 4 aux_div_ULTIMATE.start_main_~pd1~0.offset_88))) (and (<= 0 (+ .cse11 .cse12)) (<= (+ .cse11 ULTIMATE.start_main_~pd2~0.offset .cse12) 0) (= (+ (select (select |#memory_int| ULTIMATE.start_main_~pd2~0.base) (+ (* (div (+ (* ULTIMATE.start_main_~pa~0.offset (- 4)) (* aux_div_ULTIMATE.start_main_~pd1~0.offset_88 (- 4)) 8) (- 4)) 4) ULTIMATE.start_main_~pd2~0.offset 8)) 2) (+ ULTIMATE.start_main_~pa~0.offset aux_div_ULTIMATE.start_main_~pd1~0.offset_88))))) .cse0 .cse8 .cse9 (= ULTIMATE.start_main_~pd1~0.base |~#d1~0.base|) .cse1 .cse2 (exists ((ULTIMATE.start_main_~pa~0.offset Int) (aux_div_ULTIMATE.start_main_~pd1~0.offset_88 Int)) (let ((.cse16 (select |#memory_int| ULTIMATE.start_main_~pd2~0.base))) (let ((.cse14 (* 3 ULTIMATE.start_main_~pa~0.offset)) (.cse15 (* 4 aux_div_ULTIMATE.start_main_~pd1~0.offset_88)) (.cse13 (select .cse16 ULTIMATE.start_main_~pa~0.offset))) (and (<= .cse13 ULTIMATE.start_main_~i~0) (<= 0 (+ .cse14 .cse15)) (<= (+ .cse14 ULTIMATE.start_main_~pd2~0.offset .cse15) 0) (< ULTIMATE.start_main_~i~0 (+ .cse13 1)) (= (+ (select .cse16 (+ (* (div (+ (* ULTIMATE.start_main_~pa~0.offset (- 4)) (* aux_div_ULTIMATE.start_main_~pd1~0.offset_88 (- 4)) 8) (- 4)) 4) ULTIMATE.start_main_~pd2~0.offset 8)) 2) (+ ULTIMATE.start_main_~pa~0.offset aux_div_ULTIMATE.start_main_~pd1~0.offset_88)))))) (<= 0 ULTIMATE.start_main_~pd2~0.offset)))) [2020-11-30 01:31:21,393 INFO L274 CegarLoopResult]: For program point L14(lines 14 21) no Hoare annotation was computed. [2020-11-30 01:31:21,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,431 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,438 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] [2020-11-30 01:31:21,454 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] [2020-11-30 01:31:21,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] [2020-11-30 01:31:21,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] [2020-11-30 01:31:21,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] [2020-11-30 01:31:21,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] [2020-11-30 01:31:21,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] [2020-11-30 01:31:21,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] [2020-11-30 01:31:21,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,458 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,458 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,462 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,467 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] [2020-11-30 01:31:21,467 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] [2020-11-30 01:31:21,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] [2020-11-30 01:31:21,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] [2020-11-30 01:31:21,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] [2020-11-30 01:31:21,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] [2020-11-30 01:31:21,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] [2020-11-30 01:31:21,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] [2020-11-30 01:31:21,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,478 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,478 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,478 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,478 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:31:21 BoogieIcfgContainer [2020-11-30 01:31:21,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:31:21,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:31:21,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:31:21,484 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:31:21,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:44" (3/4) ... [2020-11-30 01:31:21,489 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:31:21,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 01:31:21,506 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:31:21,506 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:31:21,506 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:31:21,538 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((d2 == 0 && \result == 0) && \result == d2) && d1 == 0) || ((d1 == \result && \result == 0) && d1 == 0) [2020-11-30 01:31:21,538 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pd1 == 0 && pd1 == d1) && d1 == 0) || (((!(d1 == d2) && !(pd1 == d1)) && !(pd1 == \result)) && d1 == 0)) || ((((d2 == 0 && pd1 == 0) && \result == 0) && pd1 == d2) && d1 == 0) [2020-11-30 01:31:21,539 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\exists aux_div_ULTIMATE.start_main_~pd1~0.offset_88 : int :: (0 <= 3 * pa + 4 * aux_div_ULTIMATE.start_main_~pd1~0.offset_88 && 3 * pa + pd2 + 4 * aux_div_ULTIMATE.start_main_~pd1~0.offset_88 <= 0) && unknown-#memory_int-unknown[pd2][(pa * -4 + aux_div_ULTIMATE.start_main_~pd1~0.offset_88 * -4 + 8) / -4 * 4 + pd2 + 8] + 2 == pa + aux_div_ULTIMATE.start_main_~pd1~0.offset_88) && pd1 == 0) && pd1 == pd2) && pd2 == pa) && pd1 == d1) && d1 == 0) && i < unknown-#memory_int-unknown[pa][pa] + 1) && 0 <= pd2) || (((((((((((d2 == 0 && pd1 == 0) && \result == 0) && pd1 == pd2) && pd2 == pa) && \result == d2) && pd1 == d2) && d1 == 0) && pd2 == 0) && unknown-#memory_int-unknown[pd2][(pa * -1 + 8) / -4 * 4 + pd2 + 8] == (pa * -1 + 8) / -4) && i < unknown-#memory_int-unknown[pa][pa] + 1) && pa * 3 % -4 == 0) [2020-11-30 01:31:21,539 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((pd1 == 0 && \result == 0) && pd1 == d2) && d1 == 0) && i < unknown-#memory_int-unknown[pa][pa] + 1) && d2 == 0) && 1 <= \result) && pd1 == \result) && (\exists aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55 : int, aux_div_ULTIMATE.start_main_~pa~0.offset_60 : int :: (((0 < 4 * aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55 + 4 && i < unknown-#memory_int-unknown[pd2][aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55 * 4 + aux_div_ULTIMATE.start_main_~pa~0.offset_60 * 4 + 8] + 1) && 4 * aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55 <= 0) && aux_div_ULTIMATE.start_main_~pa~0.offset_60 == unknown-#memory_int-unknown[pd2][pd2 + aux_div_ULTIMATE.start_main_~pa~0.offset_60 * 4 + 8]) && unknown-#memory_int-unknown[pd2][aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55 * 4 + aux_div_ULTIMATE.start_main_~pa~0.offset_60 * 4 + 8] <= i)) && pd1 == pd2) && !(d1 == \result)) && pd2 == pa) && pd2 == 0) && unknown-#memory_int-unknown[pd2][(pa * -1 + 8) / -4 * 4 + pd2 + 8] == (pa * -1 + 8) / -4) && pa * 3 % -4 == 0) || (((((((((1 <= \result && (\exists aux_div_ULTIMATE.start_main_~pd1~0.offset_88 : int :: (0 <= 3 * pa + 4 * aux_div_ULTIMATE.start_main_~pd1~0.offset_88 && 3 * pa + pd2 + 4 * aux_div_ULTIMATE.start_main_~pd1~0.offset_88 <= 0) && unknown-#memory_int-unknown[pd2][(pa * -4 + aux_div_ULTIMATE.start_main_~pd1~0.offset_88 * -4 + 8) / -4 * 4 + pd2 + 8] + 2 == pa + aux_div_ULTIMATE.start_main_~pd1~0.offset_88)) && pd1 == 0) && pd1 == pd2) && pd2 == pa) && pd1 == d1) && d1 == 0) && i < unknown-#memory_int-unknown[pa][pa] + 1) && (\exists ULTIMATE.start_main_~pa~0.offset : int, aux_div_ULTIMATE.start_main_~pd1~0.offset_88 : int :: (((unknown-#memory_int-unknown[pd2][ULTIMATE.start_main_~pa~0.offset] <= i && 0 <= 3 * ULTIMATE.start_main_~pa~0.offset + 4 * aux_div_ULTIMATE.start_main_~pd1~0.offset_88) && 3 * ULTIMATE.start_main_~pa~0.offset + pd2 + 4 * aux_div_ULTIMATE.start_main_~pd1~0.offset_88 <= 0) && i < unknown-#memory_int-unknown[pd2][ULTIMATE.start_main_~pa~0.offset] + 1) && unknown-#memory_int-unknown[pd2][(ULTIMATE.start_main_~pa~0.offset * -4 + aux_div_ULTIMATE.start_main_~pd1~0.offset_88 * -4 + 8) / -4 * 4 + pd2 + 8] + 2 == ULTIMATE.start_main_~pa~0.offset + aux_div_ULTIMATE.start_main_~pd1~0.offset_88)) && 0 <= pd2) [2020-11-30 01:31:21,578 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_969649f4-56fe-4c57-aec3-3dc7f5b25ddc/bin/uautomizer/witness.graphml [2020-11-30 01:31:21,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:31:21,582 INFO L168 Benchmark]: Toolchain (without parser) took 38082.56 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 63.8 MB in the beginning and 71.0 MB in the end (delta: -7.2 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:21,583 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 75.5 MB. Free memory was 55.2 MB in the beginning and 55.2 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:31:21,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.89 ms. Allocated memory is still 96.5 MB. Free memory was 63.5 MB in the beginning and 74.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:21,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.91 ms. Allocated memory is still 96.5 MB. Free memory was 74.1 MB in the beginning and 72.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:21,595 INFO L168 Benchmark]: Boogie Preprocessor took 39.58 ms. Allocated memory is still 96.5 MB. Free memory was 72.4 MB in the beginning and 71.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:21,596 INFO L168 Benchmark]: RCFGBuilder took 855.57 ms. Allocated memory is still 96.5 MB. Free memory was 71.0 MB in the beginning and 54.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:21,596 INFO L168 Benchmark]: TraceAbstraction took 36633.92 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 54.5 MB in the beginning and 74.2 MB in the end (delta: -19.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:21,597 INFO L168 Benchmark]: Witness Printer took 95.85 ms. Allocated memory is still 142.6 MB. Free memory was 74.2 MB in the beginning and 71.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:21,600 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 75.5 MB. Free memory was 55.2 MB in the beginning and 55.2 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 388.89 ms. Allocated memory is still 96.5 MB. Free memory was 63.5 MB in the beginning and 74.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.91 ms. Allocated memory is still 96.5 MB. Free memory was 74.1 MB in the beginning and 72.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.58 ms. Allocated memory is still 96.5 MB. Free memory was 72.4 MB in the beginning and 71.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 855.57 ms. Allocated memory is still 96.5 MB. Free memory was 71.0 MB in the beginning and 54.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 36633.92 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 54.5 MB in the beginning and 74.2 MB in the end (delta: -19.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 16.1 GB. * Witness Printer took 95.85 ms. Allocated memory is still 142.6 MB. Free memory was 74.2 MB in the beginning and 71.0 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.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((d2 == 0 && \result == 0) && \result == d2) && d1 == 0) || ((d1 == \result && \result == 0) && d1 == 0) - InvariantResult [Line: 42]: Loop Invariant [2020-11-30 01:31:21,621 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,621 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,629 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,632 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,633 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,633 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,633 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((\exists aux_div_ULTIMATE.start_main_~pd1~0.offset_88 : int :: (0 <= 3 * pa + 4 * aux_div_ULTIMATE.start_main_~pd1~0.offset_88 && 3 * pa + pd2 + 4 * aux_div_ULTIMATE.start_main_~pd1~0.offset_88 <= 0) && unknown-#memory_int-unknown[pd2][(pa * -4 + aux_div_ULTIMATE.start_main_~pd1~0.offset_88 * -4 + 8) / -4 * 4 + pd2 + 8] + 2 == pa + aux_div_ULTIMATE.start_main_~pd1~0.offset_88) && pd1 == 0) && pd1 == pd2) && pd2 == pa) && pd1 == d1) && d1 == 0) && i < unknown-#memory_int-unknown[pa][pa] + 1) && 0 <= pd2) || (((((((((((d2 == 0 && pd1 == 0) && \result == 0) && pd1 == pd2) && pd2 == pa) && \result == d2) && pd1 == d2) && d1 == 0) && pd2 == 0) && unknown-#memory_int-unknown[pd2][(pa * -1 + 8) / -4 * 4 + pd2 + 8] == (pa * -1 + 8) / -4) && i < unknown-#memory_int-unknown[pa][pa] + 1) && pa * 3 % -4 == 0) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((pd1 == 0 && pd1 == d1) && d1 == 0) || (((!(d1 == d2) && !(pd1 == d1)) && !(pd1 == \result)) && d1 == 0)) || ((((d2 == 0 && pd1 == 0) && \result == 0) && pd1 == d2) && d1 == 0) - InvariantResult [Line: 28]: Loop Invariant [2020-11-30 01:31:21,638 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] [2020-11-30 01:31:21,638 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] [2020-11-30 01:31:21,638 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] [2020-11-30 01:31:21,639 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] [2020-11-30 01:31:21,639 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] [2020-11-30 01:31:21,639 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] [2020-11-30 01:31:21,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] [2020-11-30 01:31:21,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] [2020-11-30 01:31:21,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,654 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,654 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,654 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,654 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] [2020-11-30 01:31:21,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] [2020-11-30 01:31:21,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] [2020-11-30 01:31:21,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] [2020-11-30 01:31:21,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] [2020-11-30 01:31:21,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] [2020-11-30 01:31:21,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55,QUANTIFIED] [2020-11-30 01:31:21,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0.offset_60,QUANTIFIED] [2020-11-30 01:31:21,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~pa~0.offset,QUANTIFIED] [2020-11-30 01:31:21,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pd1~0.offset_88,QUANTIFIED] [2020-11-30 01:31:21,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:31:21,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((((((((pd1 == 0 && \result == 0) && pd1 == d2) && d1 == 0) && i < unknown-#memory_int-unknown[pa][pa] + 1) && d2 == 0) && 1 <= \result) && pd1 == \result) && (\exists aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55 : int, aux_div_ULTIMATE.start_main_~pa~0.offset_60 : int :: (((0 < 4 * aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55 + 4 && i < unknown-#memory_int-unknown[pd2][aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55 * 4 + aux_div_ULTIMATE.start_main_~pa~0.offset_60 * 4 + 8] + 1) && 4 * aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55 <= 0) && aux_div_ULTIMATE.start_main_~pa~0.offset_60 == unknown-#memory_int-unknown[pd2][pd2 + aux_div_ULTIMATE.start_main_~pa~0.offset_60 * 4 + 8]) && unknown-#memory_int-unknown[pd2][aux_div_aux_mod_ULTIMATE.start_main_~pa~0.offset_60_55 * 4 + aux_div_ULTIMATE.start_main_~pa~0.offset_60 * 4 + 8] <= i)) && pd1 == pd2) && !(d1 == \result)) && pd2 == pa) && pd2 == 0) && unknown-#memory_int-unknown[pd2][(pa * -1 + 8) / -4 * 4 + pd2 + 8] == (pa * -1 + 8) / -4) && pa * 3 % -4 == 0) || (((((((((1 <= \result && (\exists aux_div_ULTIMATE.start_main_~pd1~0.offset_88 : int :: (0 <= 3 * pa + 4 * aux_div_ULTIMATE.start_main_~pd1~0.offset_88 && 3 * pa + pd2 + 4 * aux_div_ULTIMATE.start_main_~pd1~0.offset_88 <= 0) && unknown-#memory_int-unknown[pd2][(pa * -4 + aux_div_ULTIMATE.start_main_~pd1~0.offset_88 * -4 + 8) / -4 * 4 + pd2 + 8] + 2 == pa + aux_div_ULTIMATE.start_main_~pd1~0.offset_88)) && pd1 == 0) && pd1 == pd2) && pd2 == pa) && pd1 == d1) && d1 == 0) && i < unknown-#memory_int-unknown[pa][pa] + 1) && (\exists ULTIMATE.start_main_~pa~0.offset : int, aux_div_ULTIMATE.start_main_~pd1~0.offset_88 : int :: (((unknown-#memory_int-unknown[pd2][ULTIMATE.start_main_~pa~0.offset] <= i && 0 <= 3 * ULTIMATE.start_main_~pa~0.offset + 4 * aux_div_ULTIMATE.start_main_~pd1~0.offset_88) && 3 * ULTIMATE.start_main_~pa~0.offset + pd2 + 4 * aux_div_ULTIMATE.start_main_~pd1~0.offset_88 <= 0) && i < unknown-#memory_int-unknown[pd2][ULTIMATE.start_main_~pa~0.offset] + 1) && unknown-#memory_int-unknown[pd2][(ULTIMATE.start_main_~pa~0.offset * -4 + aux_div_ULTIMATE.start_main_~pd1~0.offset_88 * -4 + 8) / -4 * 4 + pd2 + 8] + 2 == ULTIMATE.start_main_~pa~0.offset + aux_div_ULTIMATE.start_main_~pd1~0.offset_88)) && 0 <= pd2) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.8s, OverallIterations: 7, TraceHistogramMax: 5, AutomataDifference: 23.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 63 SDtfs, 592 SDslu, 369 SDs, 0 SdLazy, 1033 SolverSat, 219 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1732 ImplicationChecksByTransitivity, 25.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 100 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 28 NumberOfFragments, 483 HoareAnnotationTreeSize, 6 FomulaSimplifications, 9388 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 6 FomulaSimplificationsInter, 1670 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 210 ConstructedInterpolants, 21 QuantifiedInterpolants, 53604 SizeOfPredicates, 62 NumberOfNonLiveVariables, 542 ConjunctsInSsa, 159 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 32/92 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...