./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 01:24:07,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 01:24:07,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 01:24:07,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 01:24:07,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 01:24:07,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 01:24:07,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 01:24:07,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 01:24:07,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 01:24:07,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 01:24:07,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 01:24:07,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 01:24:07,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 01:24:07,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 01:24:07,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 01:24:07,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 01:24:07,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 01:24:07,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 01:24:07,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 01:24:07,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 01:24:07,220 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 01:24:07,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 01:24:07,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 01:24:07,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 01:24:07,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 01:24:07,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 01:24:07,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 01:24:07,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 01:24:07,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 01:24:07,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 01:24:07,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 01:24:07,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 01:24:07,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 01:24:07,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 01:24:07,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 01:24:07,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 01:24:07,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 01:24:07,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 01:24:07,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 01:24:07,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 01:24:07,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 01:24:07,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 01:24:07,251 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-22 01:24:07,283 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 01:24:07,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 01:24:07,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 01:24:07,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 01:24:07,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 01:24:07,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 01:24:07,287 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 01:24:07,288 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 01:24:07,288 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 01:24:07,289 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 01:24:07,289 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 01:24:07,289 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 01:24:07,289 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 01:24:07,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 01:24:07,290 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 01:24:07,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 01:24:07,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 01:24:07,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 01:24:07,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 01:24:07,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 01:24:07,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 01:24:07,291 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 01:24:07,292 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 01:24:07,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 01:24:07,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 01:24:07,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 01:24:07,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 01:24:07,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 01:24:07,295 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 01:24:07,295 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 [2022-07-22 01:24:07,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 01:24:07,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 01:24:07,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 01:24:07,647 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 01:24:07,647 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 01:24:07,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2022-07-22 01:24:07,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed851a11/c77ed5a868624457aa05d906ffb1a95c/FLAG82cd3f7eb [2022-07-22 01:24:08,133 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 01:24:08,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2022-07-22 01:24:08,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed851a11/c77ed5a868624457aa05d906ffb1a95c/FLAG82cd3f7eb [2022-07-22 01:24:08,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ed851a11/c77ed5a868624457aa05d906ffb1a95c [2022-07-22 01:24:08,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 01:24:08,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 01:24:08,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 01:24:08,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 01:24:08,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 01:24:08,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:24:08" (1/1) ... [2022-07-22 01:24:08,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d68d88d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:24:08, skipping insertion in model container [2022-07-22 01:24:08,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:24:08" (1/1) ... [2022-07-22 01:24:08,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 01:24:08,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 01:24:08,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:24:08,746 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 01:24:08,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:24:08,780 INFO L208 MainTranslator]: Completed translation [2022-07-22 01:24:08,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:24:08 WrapperNode [2022-07-22 01:24:08,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 01:24:08,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 01:24:08,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 01:24:08,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 01:24:08,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:24:08" (1/1) ... [2022-07-22 01:24:08,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:24:08" (1/1) ... [2022-07-22 01:24:08,871 INFO L137 Inliner]: procedures = 7, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-07-22 01:24:08,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 01:24:08,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 01:24:08,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 01:24:08,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 01:24:08,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:24:08" (1/1) ... [2022-07-22 01:24:08,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:24:08" (1/1) ... [2022-07-22 01:24:08,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:24:08" (1/1) ... [2022-07-22 01:24:08,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:24:08" (1/1) ... [2022-07-22 01:24:08,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:24:08" (1/1) ... [2022-07-22 01:24:08,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:24:08" (1/1) ... [2022-07-22 01:24:08,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:24:08" (1/1) ... [2022-07-22 01:24:08,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 01:24:08,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 01:24:08,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 01:24:08,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 01:24:08,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:24:08" (1/1) ... [2022-07-22 01:24:08,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:24:08,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:08,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:24:08,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 01:24:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 01:24:08,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 01:24:08,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 01:24:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 01:24:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 01:24:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 01:24:09,070 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 01:24:09,072 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 01:24:09,229 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 01:24:09,235 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 01:24:09,251 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 01:24:09,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:24:09 BoogieIcfgContainer [2022-07-22 01:24:09,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 01:24:09,254 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 01:24:09,255 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 01:24:09,257 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 01:24:09,258 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:24:09,258 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 01:24:08" (1/3) ... [2022-07-22 01:24:09,259 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bbb41a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:24:09, skipping insertion in model container [2022-07-22 01:24:09,259 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:24:09,259 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:24:08" (2/3) ... [2022-07-22 01:24:09,259 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bbb41a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:24:09, skipping insertion in model container [2022-07-22 01:24:09,259 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:24:09,260 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:24:09" (3/3) ... [2022-07-22 01:24:09,261 INFO L354 chiAutomizerObserver]: Analyzing ICFG 4BitCounterPointer.c [2022-07-22 01:24:09,329 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 01:24:09,329 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 01:24:09,330 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 01:24:09,330 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 01:24:09,330 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 01:24:09,330 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 01:24:09,330 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 01:24:09,330 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 01:24:09,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:24:09,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 01:24:09,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:24:09,351 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:24:09,356 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 01:24:09,356 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:24:09,356 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 01:24:09,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:24:09,358 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 01:24:09,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:24:09,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:24:09,359 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 01:24:09,359 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:24:09,374 INFO L752 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 5#L24-2true [2022-07-22 01:24:09,375 INFO L754 eck$LassoCheckResult]: Loop: 5#L24-2true call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 8#L15-1true assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 2#L16true assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 5#L24-2true [2022-07-22 01:24:09,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:24:09,388 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-22 01:24:09,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:24:09,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037934490] [2022-07-22 01:24:09,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:24:09,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:24:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:24:09,597 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:24:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:24:09,652 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:24:09,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:24:09,655 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 1 times [2022-07-22 01:24:09,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:24:09,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160942395] [2022-07-22 01:24:09,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:24:09,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:24:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:24:09,669 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:24:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:24:09,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:24:09,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:24:09,685 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2022-07-22 01:24:09,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:24:09,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419872438] [2022-07-22 01:24:09,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:24:09,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:24:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:24:09,751 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:24:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:24:09,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:24:11,218 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 01:24:11,218 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 01:24:11,219 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 01:24:11,219 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 01:24:11,219 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 01:24:11,219 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:24:11,219 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 01:24:11,220 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 01:24:11,220 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration1_Lasso [2022-07-22 01:24:11,220 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 01:24:11,221 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 01:24:11,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:24:11,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:24:11,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:24:11,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:24:11,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:24:11,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:24:11,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:24:11,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:24:11,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:24:11,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:24:11,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:24:12,316 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 01:24:12,320 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 01:24:12,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:24:12,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:12,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:24:12,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:24:12,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:24:12,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:24:12,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:24:12,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:24:12,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:24:12,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:24:12,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:24:12,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-22 01:24:12,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:24:12,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-22 01:24:12,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:24:12,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:12,383 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:24:12,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-22 01:24:12,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:24:12,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:24:12,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:24:12,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:24:12,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:24:12,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:24:12,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:24:12,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:24:12,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-22 01:24:12,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:24:12,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:12,457 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:24:12,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-22 01:24:12,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:24:12,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:24:12,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:24:12,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:24:12,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:24:12,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:24:12,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:24:12,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:24:12,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-22 01:24:12,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:24:12,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:12,507 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:24:12,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-22 01:24:12,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:24:12,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:24:12,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:24:12,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:24:12,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:24:12,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:24:12,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:24:12,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:24:12,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 01:24:12,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:24:12,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:12,551 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:24:12,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-22 01:24:12,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:24:12,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:24:12,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:24:12,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:24:12,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:24:12,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:24:12,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:24:12,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:24:12,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-22 01:24:12,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:24:12,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:12,588 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:24:12,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-22 01:24:12,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:24:12,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:24:12,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:24:12,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:24:12,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:24:12,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:24:12,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:24:12,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:24:12,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-07-22 01:24:12,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:24:12,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:12,623 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:24:12,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-22 01:24:12,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:24:12,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:24:12,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:24:12,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:24:12,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:24:12,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:24:12,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:24:12,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:24:12,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-22 01:24:12,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:24:12,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:12,680 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:24:12,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-22 01:24:12,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:24:12,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:24:12,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:24:12,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:24:12,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:24:12,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:24:12,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:24:12,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:24:12,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-22 01:24:12,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:24:12,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:12,714 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:24:12,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-22 01:24:12,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:24:12,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:24:12,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:24:12,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:24:12,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:24:12,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:24:12,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:24:12,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:24:12,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-22 01:24:12,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:24:12,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:12,791 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:24:12,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:24:12,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:24:12,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:24:12,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:24:12,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:24:12,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:24:12,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:24:12,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-22 01:24:12,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:24:12,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-22 01:24:12,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:24:12,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:12,861 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:24:12,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-22 01:24:12,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:24:12,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:24:12,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:24:12,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:24:12,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:24:12,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:24:12,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:24:12,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:24:12,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-22 01:24:12,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:24:12,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:12,917 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:24:12,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-22 01:24:12,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:24:12,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:24:12,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:24:12,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:24:12,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:24:12,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:24:12,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:24:12,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:24:13,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-22 01:24:13,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:24:13,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:13,009 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:24:13,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:24:13,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:24:13,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:24:13,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:24:13,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:24:13,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:24:13,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:24:13,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-22 01:24:13,073 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 01:24:13,082 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-07-22 01:24:13,083 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-22 01:24:13,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:24:13,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:13,086 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:24:13,091 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 01:24:13,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-22 01:24:13,117 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 01:24:13,117 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 01:24:13,117 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x0~0#1.base) ULTIMATE.start_main_~x0~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~x0~0#1.base) ULTIMATE.start_main_~x0~0#1.offset)_1 + 1 Supporting invariants [] [2022-07-22 01:24:13,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-22 01:24:13,301 INFO L293 tatePredicateManager]: 36 out of 36 supporting invariants were superfluous and have been removed [2022-07-22 01:24:13,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:24:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:24:13,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 01:24:13,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:24:13,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-22 01:24:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:24:13,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 01:24:13,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:24:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:24:13,485 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 01:24:13,487 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:24:13,524 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 36 transitions. Complement of second has 8 states. [2022-07-22 01:24:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-22 01:24:13,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:24:13,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2022-07-22 01:24:13,532 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 3 letters. [2022-07-22 01:24:13,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:24:13,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 3 letters. [2022-07-22 01:24:13,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:24:13,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 6 letters. [2022-07-22 01:24:13,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:24:13,534 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2022-07-22 01:24:13,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 01:24:13,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 13 states and 18 transitions. [2022-07-22 01:24:13,539 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-07-22 01:24:13,540 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-07-22 01:24:13,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-07-22 01:24:13,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 01:24:13,540 INFO L369 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-07-22 01:24:13,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-07-22 01:24:13,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-07-22 01:24:13,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:24:13,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-07-22 01:24:13,559 INFO L392 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-07-22 01:24:13,559 INFO L374 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-07-22 01:24:13,559 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 01:24:13,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-07-22 01:24:13,560 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 01:24:13,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:24:13,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:24:13,560 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 01:24:13,560 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-22 01:24:13,560 INFO L752 eck$LassoCheckResult]: Stem: 231#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 232#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 237#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 236#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 227#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 228#L20 [2022-07-22 01:24:13,561 INFO L754 eck$LassoCheckResult]: Loop: 228#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 233#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 234#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 239#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 228#L20 [2022-07-22 01:24:13,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:24:13,562 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2022-07-22 01:24:13,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:24:13,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80792862] [2022-07-22 01:24:13,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:24:13,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:24:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:24:13,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:24:13,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 01:24:13,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80792862] [2022-07-22 01:24:13,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80792862] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 01:24:13,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 01:24:13,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 01:24:13,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077156959] [2022-07-22 01:24:13,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 01:24:13,727 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 01:24:13,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:24:13,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1526457, now seen corresponding path program 1 times [2022-07-22 01:24:13,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:24:13,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779678734] [2022-07-22 01:24:13,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:24:13,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:24:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:24:13,742 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:24:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:24:13,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:24:13,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 01:24:13,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 01:24:13,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-22 01:24:13,892 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:24:13,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 01:24:13,944 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2022-07-22 01:24:13,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 01:24:13,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2022-07-22 01:24:13,946 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 01:24:13,947 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 19 transitions. [2022-07-22 01:24:13,947 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-22 01:24:13,947 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-07-22 01:24:13,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2022-07-22 01:24:13,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 01:24:13,948 INFO L369 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-07-22 01:24:13,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2022-07-22 01:24:13,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2022-07-22 01:24:13,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:24:13,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-07-22 01:24:13,953 INFO L392 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-07-22 01:24:13,953 INFO L374 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-07-22 01:24:13,953 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 01:24:13,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2022-07-22 01:24:13,956 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-07-22 01:24:13,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:24:13,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:24:13,957 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2022-07-22 01:24:13,958 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-22 01:24:13,958 INFO L752 eck$LassoCheckResult]: Stem: 271#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 272#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 273#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 274#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 269#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 270#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 275#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 267#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 268#L20 [2022-07-22 01:24:13,958 INFO L754 eck$LassoCheckResult]: Loop: 268#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 276#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 278#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 279#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 268#L20 [2022-07-22 01:24:13,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:24:13,961 INFO L85 PathProgramCache]: Analyzing trace with hash 179493189, now seen corresponding path program 1 times [2022-07-22 01:24:13,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:24:13,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386516313] [2022-07-22 01:24:13,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:24:13,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:24:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:24:14,030 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:24:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:24:14,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:24:14,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:24:14,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1526457, now seen corresponding path program 2 times [2022-07-22 01:24:14,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:24:14,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136287245] [2022-07-22 01:24:14,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:24:14,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:24:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:24:14,075 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:24:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:24:14,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:24:14,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:24:14,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1467212285, now seen corresponding path program 1 times [2022-07-22 01:24:14,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:24:14,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485675927] [2022-07-22 01:24:14,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:24:14,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:24:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:24:14,191 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:24:14,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 01:24:14,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485675927] [2022-07-22 01:24:14,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485675927] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 01:24:14,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393788023] [2022-07-22 01:24:14,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:24:14,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 01:24:14,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:14,216 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 01:24:14,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-07-22 01:24:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:24:14,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-22 01:24:14,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:24:14,350 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-07-22 01:24:14,373 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-22 01:24:14,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-22 01:24:14,409 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-07-22 01:24:14,413 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 01:24:14,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 01:24:14,429 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_351 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~x1~0#1.base| v_ArrVal_351) |c_ULTIMATE.start_main_~x0~0#1.base|) |c_ULTIMATE.start_main_~x0~0#1.offset|) 0)) is different from false [2022-07-22 01:24:14,442 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 01:24:14,442 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-07-22 01:24:14,448 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2022-07-22 01:24:14,467 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 01:24:14,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393788023] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 01:24:14,468 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 01:24:14,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 8 [2022-07-22 01:24:14,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684284378] [2022-07-22 01:24:14,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 01:24:14,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 01:24:14,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 01:24:14,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=36, Unknown=1, NotChecked=12, Total=72 [2022-07-22 01:24:14,580 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:24:14,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 01:24:14,637 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2022-07-22 01:24:14,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 01:24:14,638 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2022-07-22 01:24:14,638 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-07-22 01:24:14,639 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 22 transitions. [2022-07-22 01:24:14,639 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-07-22 01:24:14,639 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-07-22 01:24:14,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2022-07-22 01:24:14,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 01:24:14,639 INFO L369 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions. [2022-07-22 01:24:14,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2022-07-22 01:24:14,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2022-07-22 01:24:14,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:24:14,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2022-07-22 01:24:14,641 INFO L392 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2022-07-22 01:24:14,641 INFO L374 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2022-07-22 01:24:14,641 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-22 01:24:14,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2022-07-22 01:24:14,642 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-07-22 01:24:14,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:24:14,642 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:24:14,642 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2022-07-22 01:24:14,642 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-22 01:24:14,643 INFO L752 eck$LassoCheckResult]: Stem: 385#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 386#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 391#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 388#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 383#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 384#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 389#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 395#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 392#L20 [2022-07-22 01:24:14,643 INFO L754 eck$LassoCheckResult]: Loop: 392#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 394#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 382#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 387#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 396#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 392#L20 [2022-07-22 01:24:14,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:24:14,643 INFO L85 PathProgramCache]: Analyzing trace with hash 179493189, now seen corresponding path program 2 times [2022-07-22 01:24:14,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:24:14,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352947000] [2022-07-22 01:24:14,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:24:14,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:24:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:24:14,669 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:24:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:24:14,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:24:14,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:24:14,715 INFO L85 PathProgramCache]: Analyzing trace with hash 49698504, now seen corresponding path program 1 times [2022-07-22 01:24:14,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:24:14,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439165897] [2022-07-22 01:24:14,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:24:14,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:24:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:24:14,727 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:24:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:24:14,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:24:14,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:24:14,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1758681084, now seen corresponding path program 1 times [2022-07-22 01:24:14,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:24:14,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897449652] [2022-07-22 01:24:14,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:24:14,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:24:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:24:14,860 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:24:14,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 01:24:14,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897449652] [2022-07-22 01:24:14,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897449652] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 01:24:14,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905167796] [2022-07-22 01:24:14,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:24:14,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 01:24:14,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:24:14,864 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 01:24:14,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-07-22 01:24:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:24:14,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 35 conjunts are in the unsatisfiable core [2022-07-22 01:24:14,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:24:15,943 INFO L356 Elim1Store]: treesize reduction 489, result has 34.5 percent of original size [2022-07-22 01:24:15,946 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 31 case distinctions, treesize of input 250 treesize of output 1027 [2022-07-22 01:24:16,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2022-07-22 01:24:16,072 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-07-22 01:24:16,114 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-07-22 01:24:16,291 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-22 01:24:16,476 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-22 01:24:22,257 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 302 treesize of output 299 [2022-07-22 01:24:22,751 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-22 01:24:22,825 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-22 01:24:22,844 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-22 01:24:23,018 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 45 treesize of output 43 [2022-07-22 01:24:23,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 01:24:23,073 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2022-07-22 01:24:23,567 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 310 treesize of output 306 [2022-07-22 01:24:24,240 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 53 treesize of output 50 [2022-07-22 01:24:24,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 225 treesize of output 221 [2022-07-22 01:24:25,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 53 treesize of output 50 [2022-07-22 01:24:25,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 01:24:25,278 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2022-07-22 01:24:27,977 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-22 01:24:28,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-22 01:24:28,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-22 01:24:28,253 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 36 treesize of output 35 [2022-07-22 01:24:30,575 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 4008 treesize of output 3956 [2022-07-22 01:24:32,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:24:32,429 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-07-22 01:24:32,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:24:32,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-07-22 01:24:33,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:24:33,278 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-07-22 01:24:33,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:24:33,577 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-07-22 01:24:34,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:24:34,100 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-07-22 01:24:34,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:24:34,271 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-07-22 01:24:34,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:24:34,711 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-07-22 01:24:35,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:24:35,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2022-07-22 01:24:50,067 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-22 01:24:50,386 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-22 01:24:50,878 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-22 01:24:51,904 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-22 01:25:03,911 INFO L356 Elim1Store]: treesize reduction 92, result has 30.8 percent of original size [2022-07-22 01:25:03,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 6643 treesize of output 6586 [2022-07-22 01:25:39,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:39,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:39,054 INFO L356 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2022-07-22 01:25:39,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 16 [2022-07-22 01:25:39,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:39,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:39,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:39,182 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:39,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:39,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:39,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:39,292 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:39,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:39,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:39,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:39,398 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:39,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:39,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:39,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:39,577 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-22 01:25:39,577 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:40,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,189 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:40,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:40,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:40,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,430 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:40,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,493 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-22 01:25:40,493 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:40,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:40,937 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-22 01:25:40,937 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:41,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,028 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:41,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:41,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,342 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:41,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,670 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:41,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,689 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:41,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:41,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:41,999 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-22 01:25:42,000 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:42,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:42,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:42,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:42,114 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:42,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:42,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:42,541 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-22 01:25:42,541 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 189 treesize of output 138 [2022-07-22 01:25:42,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:42,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:42,967 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 16 [2022-07-22 01:25:43,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:43,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:43,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:43,344 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:44,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:44,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:44,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:44,370 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:46,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:46,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:46,200 INFO L356 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2022-07-22 01:25:46,201 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 16 [2022-07-22 01:25:47,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:47,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:47,511 INFO L356 Elim1Store]: treesize reduction 44, result has 15.4 percent of original size [2022-07-22 01:25:47,511 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 65 treesize of output 24 [2022-07-22 01:25:50,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:50,063 INFO L356 Elim1Store]: treesize reduction 73, result has 25.5 percent of original size [2022-07-22 01:25:50,064 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 2773 treesize of output 2734 [2022-07-22 01:25:59,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:59,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:59,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:59,111 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:59,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:59,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:59,185 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:59,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:59,359 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-22 01:25:59,360 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 16 [2022-07-22 01:25:59,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:59,489 INFO L356 Elim1Store]: treesize reduction 36, result has 18.2 percent of original size [2022-07-22 01:25:59,490 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 24 [2022-07-22 01:25:59,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:59,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:59,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:59,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:25:59,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:59,597 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-22 01:25:59,598 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 16 [2022-07-22 01:25:59,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:59,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:59,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:25:59,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:26:00,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:00,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:00,586 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:26:00,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:00,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:00,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:00,839 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:26:01,606 INFO L356 Elim1Store]: treesize reduction 65, result has 27.8 percent of original size [2022-07-22 01:26:01,606 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 2735 treesize of output 2700 [2022-07-22 01:26:17,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:17,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:17,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:17,694 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 5 [2022-07-22 01:26:17,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:17,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:17,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:17,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 5 [2022-07-22 01:26:17,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:17,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:17,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:17,991 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 5 [2022-07-22 01:26:18,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:18,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:18,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:18,137 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 5 [2022-07-22 01:26:18,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:18,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:18,520 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-22 01:26:18,520 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 182 treesize of output 133 [2022-07-22 01:26:19,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:19,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:19,027 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:26:22,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:22,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:22,104 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:26:24,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:24,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:24,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:24,233 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 5 [2022-07-22 01:26:24,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:24,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:24,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:24,294 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 5 [2022-07-22 01:26:24,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:24,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:24,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:24,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 5 [2022-07-22 01:26:24,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:24,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:24,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:24,515 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 5 [2022-07-22 01:26:25,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:25,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:25,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:25,247 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 5 [2022-07-22 01:26:25,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:25,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:25,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:25,398 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 5 [2022-07-22 01:26:25,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:25,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:25,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:25,616 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 5 [2022-07-22 01:26:25,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:25,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:25,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:25,694 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 5 [2022-07-22 01:26:26,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:26,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:26,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:26,311 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 5 [2022-07-22 01:26:26,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:26,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:26,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:26,431 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 5 [2022-07-22 01:26:26,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:26,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:26,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:26,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 5 [2022-07-22 01:26:26,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:26,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:26,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:26,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 5 [2022-07-22 01:26:27,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:27,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:27,285 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-22 01:26:27,286 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 11 [2022-07-22 01:26:30,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 01:26:30,270 INFO L356 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-07-22 01:26:30,271 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 2766 treesize of output 2721