./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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/AutomizerReach.xml -i ../sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 94a3c9718d8b0819c3a22a45f77fd4dac96406e3aa7eff964888695d6121efac --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 10:08:06,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 10:08:06,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 10:08:06,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 10:08:06,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 10:08:06,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 10:08:06,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 10:08:06,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 10:08:06,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 10:08:06,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 10:08:06,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 10:08:06,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 10:08:06,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 10:08:06,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 10:08:06,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 10:08:06,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 10:08:06,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 10:08:06,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 10:08:06,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 10:08:06,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 10:08:06,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 10:08:06,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 10:08:06,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 10:08:06,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 10:08:06,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 10:08:06,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 10:08:06,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 10:08:06,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 10:08:06,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 10:08:06,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 10:08:06,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 10:08:06,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 10:08:06,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 10:08:06,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 10:08:06,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 10:08:06,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 10:08:06,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 10:08:06,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 10:08:06,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 10:08:06,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 10:08:06,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 10:08:06,123 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 10:08:06,148 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 10:08:06,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 10:08:06,154 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 10:08:06,154 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 10:08:06,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 10:08:06,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 10:08:06,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 10:08:06,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 10:08:06,156 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 10:08:06,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 10:08:06,157 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 10:08:06,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 10:08:06,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 10:08:06,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 10:08:06,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 10:08:06,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 10:08:06,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 10:08:06,158 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 10:08:06,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 10:08:06,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 10:08:06,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 10:08:06,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 10:08:06,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 10:08:06,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 10:08:06,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:08:06,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 10:08:06,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 10:08:06,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 10:08:06,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 10:08:06,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 10:08:06,160 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 10:08:06,160 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 10:08:06,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 10:08:06,161 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 10:08:06,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94a3c9718d8b0819c3a22a45f77fd4dac96406e3aa7eff964888695d6121efac [2021-12-21 10:08:06,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 10:08:06,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 10:08:06,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 10:08:06,370 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 10:08:06,370 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 10:08:06,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c [2021-12-21 10:08:06,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a23372ebf/a265ddd325c04f2d902cf7252d55ef80/FLAGecd5a9d79 [2021-12-21 10:08:06,810 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 10:08:06,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c [2021-12-21 10:08:06,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a23372ebf/a265ddd325c04f2d902cf7252d55ef80/FLAGecd5a9d79 [2021-12-21 10:08:06,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a23372ebf/a265ddd325c04f2d902cf7252d55ef80 [2021-12-21 10:08:06,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 10:08:06,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 10:08:06,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 10:08:06,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 10:08:06,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 10:08:06,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:08:06" (1/1) ... [2021-12-21 10:08:06,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ee2684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:06, skipping insertion in model container [2021-12-21 10:08:06,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:08:06" (1/1) ... [2021-12-21 10:08:06,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 10:08:06,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 10:08:06,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c[414,427] [2021-12-21 10:08:06,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:08:06,972 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 10:08:06,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_pair_symmetr.c[414,427] [2021-12-21 10:08:06,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:08:06,992 INFO L208 MainTranslator]: Completed translation [2021-12-21 10:08:06,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:06 WrapperNode [2021-12-21 10:08:06,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 10:08:06,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 10:08:06,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 10:08:06,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 10:08:06,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:06" (1/1) ... [2021-12-21 10:08:07,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:06" (1/1) ... [2021-12-21 10:08:07,014 INFO L137 Inliner]: procedures = 15, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2021-12-21 10:08:07,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 10:08:07,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 10:08:07,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 10:08:07,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 10:08:07,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:06" (1/1) ... [2021-12-21 10:08:07,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:06" (1/1) ... [2021-12-21 10:08:07,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:06" (1/1) ... [2021-12-21 10:08:07,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:06" (1/1) ... [2021-12-21 10:08:07,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:06" (1/1) ... [2021-12-21 10:08:07,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:06" (1/1) ... [2021-12-21 10:08:07,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:06" (1/1) ... [2021-12-21 10:08:07,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 10:08:07,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 10:08:07,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 10:08:07,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 10:08:07,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:06" (1/1) ... [2021-12-21 10:08:07,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:08:07,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:08:07,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 10:08:07,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 10:08:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 10:08:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 10:08:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 10:08:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 10:08:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 10:08:07,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 10:08:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 10:08:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 10:08:07,124 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 10:08:07,125 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 10:08:07,215 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 10:08:07,219 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 10:08:07,219 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-21 10:08:07,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:08:07 BoogieIcfgContainer [2021-12-21 10:08:07,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 10:08:07,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 10:08:07,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 10:08:07,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 10:08:07,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:08:06" (1/3) ... [2021-12-21 10:08:07,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14ed2e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:08:07, skipping insertion in model container [2021-12-21 10:08:07,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:08:06" (2/3) ... [2021-12-21 10:08:07,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14ed2e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:08:07, skipping insertion in model container [2021-12-21 10:08:07,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:08:07" (3/3) ... [2021-12-21 10:08:07,237 INFO L111 eAbstractionObserver]: Analyzing ICFG array_init_pair_symmetr.c [2021-12-21 10:08:07,240 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 10:08:07,240 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 10:08:07,285 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 10:08:07,292 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 10:08:07,293 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 10:08:07,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.5) internal successors, (27), 19 states have internal predecessors, (27), 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) [2021-12-21 10:08:07,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-21 10:08:07,322 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:08:07,323 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:08:07,323 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:08:07,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:08:07,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1143788744, now seen corresponding path program 1 times [2021-12-21 10:08:07,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:08:07,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276488065] [2021-12-21 10:08:07,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:08:07,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:08:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:08:07,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:08:07,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:08:07,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276488065] [2021-12-21 10:08:07,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276488065] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:08:07,449 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:08:07,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 10:08:07,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34630550] [2021-12-21 10:08:07,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:08:07,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 10:08:07,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:08:07,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 10:08:07,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 10:08:07,491 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.5) internal successors, (27), 19 states have internal predecessors, (27), 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 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-12-21 10:08:07,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:08:07,499 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2021-12-21 10:08:07,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 10:08:07,502 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) Word has length 9 [2021-12-21 10:08:07,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:08:07,506 INFO L225 Difference]: With dead ends: 38 [2021-12-21 10:08:07,508 INFO L226 Difference]: Without dead ends: 16 [2021-12-21 10:08:07,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 10:08:07,525 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 10:08:07,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 10:08:07,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-12-21 10:08:07,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-12-21 10:08:07,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2) internal successors, (18), 15 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) [2021-12-21 10:08:07,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2021-12-21 10:08:07,564 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 9 [2021-12-21 10:08:07,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:08:07,564 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2021-12-21 10:08:07,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-12-21 10:08:07,564 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-12-21 10:08:07,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-21 10:08:07,565 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:08:07,565 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:08:07,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 10:08:07,565 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:08:07,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:08:07,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1809365643, now seen corresponding path program 1 times [2021-12-21 10:08:07,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:08:07,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398934424] [2021-12-21 10:08:07,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:08:07,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:08:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:08:07,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:08:07,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:08:07,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398934424] [2021-12-21 10:08:07,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398934424] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:08:07,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:08:07,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 10:08:07,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783928998] [2021-12-21 10:08:07,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:08:07,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:08:07,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:08:07,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:08:07,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:08:07,620 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-12-21 10:08:07,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:08:07,649 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2021-12-21 10:08:07,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:08:07,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) Word has length 9 [2021-12-21 10:08:07,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:08:07,650 INFO L225 Difference]: With dead ends: 32 [2021-12-21 10:08:07,650 INFO L226 Difference]: Without dead ends: 22 [2021-12-21 10:08:07,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:08:07,651 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 20 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 10:08:07,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 14 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 10:08:07,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-12-21 10:08:07,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2021-12-21 10:08:07,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 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) [2021-12-21 10:08:07,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2021-12-21 10:08:07,655 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 9 [2021-12-21 10:08:07,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:08:07,656 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-12-21 10:08:07,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-12-21 10:08:07,656 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-12-21 10:08:07,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-21 10:08:07,656 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:08:07,657 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:08:07,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 10:08:07,657 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:08:07,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:08:07,658 INFO L85 PathProgramCache]: Analyzing trace with hash 129067660, now seen corresponding path program 1 times [2021-12-21 10:08:07,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:08:07,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235608515] [2021-12-21 10:08:07,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:08:07,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:08:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:08:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-21 10:08:07,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:08:07,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235608515] [2021-12-21 10:08:07,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235608515] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 10:08:07,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608399713] [2021-12-21 10:08:07,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:08:07,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 10:08:07,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:08:07,740 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 10:08:07,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 10:08:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:08:07,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 10:08:07,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 10:08:07,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-21 10:08:07,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 10:08:08,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-21 10:08:08,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608399713] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 10:08:08,004 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 10:08:08,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2021-12-21 10:08:08,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855594941] [2021-12-21 10:08:08,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 10:08:08,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-21 10:08:08,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:08:08,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-21 10:08:08,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-12-21 10:08:08,006 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 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) [2021-12-21 10:08:08,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:08:08,085 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2021-12-21 10:08:08,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 10:08:08,086 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 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) Word has length 15 [2021-12-21 10:08:08,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:08:08,086 INFO L225 Difference]: With dead ends: 60 [2021-12-21 10:08:08,086 INFO L226 Difference]: Without dead ends: 49 [2021-12-21 10:08:08,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-12-21 10:08:08,088 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 98 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 10:08:08,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 28 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 10:08:08,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-12-21 10:08:08,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 36. [2021-12-21 10:08:08,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 35 states have internal predecessors, (38), 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) [2021-12-21 10:08:08,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2021-12-21 10:08:08,122 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 15 [2021-12-21 10:08:08,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:08:08,122 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2021-12-21 10:08:08,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 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) [2021-12-21 10:08:08,122 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2021-12-21 10:08:08,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-21 10:08:08,124 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:08:08,124 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:08:08,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-21 10:08:08,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 10:08:08,325 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:08:08,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:08:08,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1998403887, now seen corresponding path program 2 times [2021-12-21 10:08:08,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:08:08,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212124133] [2021-12-21 10:08:08,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:08:08,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:08:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:08:08,447 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-21 10:08:08,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:08:08,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212124133] [2021-12-21 10:08:08,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212124133] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 10:08:08,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645748215] [2021-12-21 10:08:08,448 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 10:08:08,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 10:08:08,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:08:08,450 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 10:08:08,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 10:08:08,513 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-21 10:08:08,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 10:08:08,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 10:08:08,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 10:08:08,677 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-21 10:08:08,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 10:08:08,783 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-21 10:08:08,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645748215] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 10:08:08,783 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 10:08:08,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 18 [2021-12-21 10:08:08,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924529587] [2021-12-21 10:08:08,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 10:08:08,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-21 10:08:08,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:08:08,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-21 10:08:08,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=195, Unknown=0, NotChecked=0, Total=342 [2021-12-21 10:08:08,785 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 19 states, 19 states have (on average 3.3684210526315788) internal successors, (64), 18 states have internal predecessors, (64), 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) [2021-12-21 10:08:08,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:08:08,982 INFO L93 Difference]: Finished difference Result 138 states and 153 transitions. [2021-12-21 10:08:08,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-21 10:08:08,983 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.3684210526315788) internal successors, (64), 18 states have internal predecessors, (64), 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) Word has length 33 [2021-12-21 10:08:08,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:08:08,984 INFO L225 Difference]: With dead ends: 138 [2021-12-21 10:08:08,984 INFO L226 Difference]: Without dead ends: 121 [2021-12-21 10:08:08,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=222, Invalid=330, Unknown=0, NotChecked=0, Total=552 [2021-12-21 10:08:08,985 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 277 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 10:08:08,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 73 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 10:08:08,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-12-21 10:08:08,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 72. [2021-12-21 10:08:08,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.0422535211267605) internal successors, (74), 71 states have internal predecessors, (74), 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) [2021-12-21 10:08:08,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2021-12-21 10:08:08,993 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 33 [2021-12-21 10:08:08,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:08:08,993 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2021-12-21 10:08:08,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.3684210526315788) internal successors, (64), 18 states have internal predecessors, (64), 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) [2021-12-21 10:08:08,994 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2021-12-21 10:08:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-12-21 10:08:08,995 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:08:08,995 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:08:09,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 10:08:09,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-21 10:08:09,216 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:08:09,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:08:09,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1388546523, now seen corresponding path program 3 times [2021-12-21 10:08:09,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:08:09,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512465425] [2021-12-21 10:08:09,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:08:09,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:08:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:08:09,413 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-21 10:08:09,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:08:09,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512465425] [2021-12-21 10:08:09,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512465425] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 10:08:09,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130231891] [2021-12-21 10:08:09,414 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-21 10:08:09,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 10:08:09,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:08:09,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 10:08:09,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-21 10:08:11,355 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-12-21 10:08:11,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 10:08:11,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-21 10:08:11,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 10:08:11,645 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-12-21 10:08:11,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 10:08:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-12-21 10:08:11,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130231891] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 10:08:11,907 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 10:08:11,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 36 [2021-12-21 10:08:11,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545715145] [2021-12-21 10:08:11,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 10:08:11,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-12-21 10:08:11,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:08:11,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-12-21 10:08:11,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=753, Unknown=0, NotChecked=0, Total=1332 [2021-12-21 10:08:11,909 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand has 37 states, 37 states have (on average 2.918918918918919) internal successors, (108), 36 states have internal predecessors, (108), 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) [2021-12-21 10:08:12,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:08:12,346 INFO L93 Difference]: Finished difference Result 294 states and 321 transitions. [2021-12-21 10:08:12,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-21 10:08:12,346 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.918918918918919) internal successors, (108), 36 states have internal predecessors, (108), 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) Word has length 69 [2021-12-21 10:08:12,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:08:12,348 INFO L225 Difference]: With dead ends: 294 [2021-12-21 10:08:12,348 INFO L226 Difference]: Without dead ends: 265 [2021-12-21 10:08:12,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=876, Invalid=1380, Unknown=0, NotChecked=0, Total=2256 [2021-12-21 10:08:12,349 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 723 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 10:08:12,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [723 Valid, 143 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 10:08:12,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-12-21 10:08:12,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 144. [2021-12-21 10:08:12,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 143 states have (on average 1.020979020979021) internal successors, (146), 143 states have internal predecessors, (146), 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) [2021-12-21 10:08:12,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 146 transitions. [2021-12-21 10:08:12,360 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 146 transitions. Word has length 69 [2021-12-21 10:08:12,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:08:12,360 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 146 transitions. [2021-12-21 10:08:12,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.918918918918919) internal successors, (108), 36 states have internal predecessors, (108), 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) [2021-12-21 10:08:12,361 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 146 transitions. [2021-12-21 10:08:12,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-12-21 10:08:12,362 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:08:12,362 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 10:08:12,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-21 10:08:12,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 10:08:12,576 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:08:12,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:08:12,576 INFO L85 PathProgramCache]: Analyzing trace with hash 552270319, now seen corresponding path program 4 times [2021-12-21 10:08:12,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:08:12,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333028984] [2021-12-21 10:08:12,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:08:12,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:08:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:08:13,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2021-12-21 10:08:13,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:08:13,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333028984] [2021-12-21 10:08:13,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333028984] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 10:08:13,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501885266] [2021-12-21 10:08:13,035 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-21 10:08:13,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 10:08:13,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:08:13,036 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 10:08:13,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-21 10:08:13,362 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-21 10:08:13,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 10:08:13,367 WARN L261 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 278 conjunts are in the unsatisfiable core [2021-12-21 10:08:13,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 10:08:13,411 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-21 10:08:13,412 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 28 [2021-12-21 10:08:13,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 10:08:13,510 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32 [2021-12-21 10:08:13,516 INFO L387 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 12 treesize of output 11 [2021-12-21 10:08:13,520 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2021-12-21 10:08:13,631 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:13,632 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:13,730 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:13,730 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:13,817 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:13,817 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:13,931 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:13,931 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:14,000 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:14,000 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:14,068 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:14,068 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:14,176 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:14,177 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:14,265 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:14,265 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:14,332 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:14,332 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:14,407 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:14,407 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:14,470 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:14,470 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:14,555 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:14,555 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:14,643 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:14,644 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:14,741 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:14,741 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:14,806 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:14,807 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:14,896 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:14,896 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:14,986 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:14,986 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:15,094 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:15,095 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:15,195 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:15,195 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:15,295 INFO L353 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-12-21 10:08:15,296 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 45 [2021-12-21 10:08:15,404 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 29 [2021-12-21 10:08:15,452 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2021-12-21 10:08:15,665 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:15,666 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:15,868 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:15,868 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:16,043 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:16,044 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:16,214 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:16,214 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:16,400 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:16,400 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:16,580 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:16,580 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:16,763 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:16,764 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:16,917 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:16,918 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:17,121 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:17,121 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:17,309 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:17,310 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:17,512 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:17,512 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:17,667 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:17,668 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:17,887 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:17,887 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:18,111 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:18,111 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:18,282 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:18,282 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:18,421 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:18,421 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:18,609 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:18,610 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:18,836 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:18,836 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:19,045 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:19,045 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:19,258 INFO L353 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-12-21 10:08:19,258 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 48 [2021-12-21 10:08:19,530 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-12-21 10:08:19,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 1102 proven. 328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:08:19,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 10:08:23,763 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_117| Int)) (or (forall ((v_ArrVal_854 Int)) (= (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4)) 0)) (not (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_117|)))) is different from false [2021-12-21 10:08:53,568 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_118| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_118|)) (forall ((|v_ULTIMATE.start_main_~i~0#1_117| Int) (v_ArrVal_854 Int) (v_ArrVal_853 Int)) (or (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_118| 1) |v_ULTIMATE.start_main_~i~0#1_117|)) (= 0 (select (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_118| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))))))) is different from false [2021-12-21 10:08:55,621 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (v_ArrVal_854 Int) (v_ArrVal_853 Int)) (or (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_118| 1) |v_ULTIMATE.start_main_~i~0#1_117|)) (= 0 (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_851) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_118| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (not (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_118|)))) is different from false [2021-12-21 10:08:57,693 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_119|)) (forall ((v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (v_ArrVal_854 Int) (v_ArrVal_853 Int)) (or (= (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_118| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4)) 0) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_118| 1) |v_ULTIMATE.start_main_~i~0#1_117|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_119| 1) |v_ULTIMATE.start_main_~i~0#1_118|)))))) is different from false [2021-12-21 10:08:59,804 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_851 Int) (v_ArrVal_848 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (v_ArrVal_854 Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int) (v_ArrVal_853 Int)) (or (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_118| 1) |v_ULTIMATE.start_main_~i~0#1_117|)) (= (select (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_848) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_118| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4)) 0) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_119| 1) |v_ULTIMATE.start_main_~i~0#1_118|)) (not (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_119|)))) is different from false [2021-12-21 10:09:01,908 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_120| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_120|)) (forall ((v_ArrVal_851 Int) (v_ArrVal_848 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (v_ArrVal_854 Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int) (v_ArrVal_853 Int)) (or (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_118| 1) |v_ULTIMATE.start_main_~i~0#1_117|)) (= (select (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_848) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_118| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4)) 0) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_120| 1) |v_ULTIMATE.start_main_~i~0#1_119|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_119| 1) |v_ULTIMATE.start_main_~i~0#1_118|)))))) is different from false [2021-12-21 10:09:03,977 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (v_ArrVal_848 Int) (v_ArrVal_846 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (v_ArrVal_854 Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int) (v_ArrVal_853 Int)) (or (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_118| 1) |v_ULTIMATE.start_main_~i~0#1_117|)) (not (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_120|)) (= (select (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_846) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_848) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_118| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4)) 0) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_120| 1) |v_ULTIMATE.start_main_~i~0#1_119|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_119| 1) |v_ULTIMATE.start_main_~i~0#1_118|)))) is different from false [2021-12-21 10:09:06,129 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_121| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_121|)) (forall ((v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (v_ArrVal_848 Int) (v_ArrVal_846 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (v_ArrVal_854 Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int) (v_ArrVal_853 Int)) (or (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_118| 1) |v_ULTIMATE.start_main_~i~0#1_117|)) (= (select (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_121| 4)) v_ArrVal_846) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_848) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_118| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4)) 0) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_121| 1) |v_ULTIMATE.start_main_~i~0#1_120|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_120| 1) |v_ULTIMATE.start_main_~i~0#1_119|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_119| 1) |v_ULTIMATE.start_main_~i~0#1_118|)))))) is different from false [2021-12-21 10:09:08,231 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (v_ArrVal_848 Int) (v_ArrVal_846 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (v_ArrVal_844 Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (v_ArrVal_854 Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int) (v_ArrVal_853 Int)) (or (= (select (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_844) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_121| 4)) v_ArrVal_846) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_848) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_118| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4)) 0) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_118| 1) |v_ULTIMATE.start_main_~i~0#1_117|)) (not (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_121|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_121| 1) |v_ULTIMATE.start_main_~i~0#1_120|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_120| 1) |v_ULTIMATE.start_main_~i~0#1_119|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_119| 1) |v_ULTIMATE.start_main_~i~0#1_118|)))) is different from false [2021-12-21 10:09:10,383 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_122| Int)) (or (forall ((v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (v_ArrVal_848 Int) (v_ArrVal_846 Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (v_ArrVal_844 Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (v_ArrVal_854 Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int) (v_ArrVal_853 Int)) (or (= (select (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_122| 4)) v_ArrVal_844) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_121| 4)) v_ArrVal_846) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_848) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_118| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4)) 0) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_118| 1) |v_ULTIMATE.start_main_~i~0#1_117|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_121| 1) |v_ULTIMATE.start_main_~i~0#1_120|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_122| 1) |v_ULTIMATE.start_main_~i~0#1_121|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_120| 1) |v_ULTIMATE.start_main_~i~0#1_119|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_119| 1) |v_ULTIMATE.start_main_~i~0#1_118|)))) (not (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_122|)))) is different from false [2021-12-21 10:09:12,499 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_848 Int) (v_ArrVal_846 Int) (v_ArrVal_844 Int) (v_ArrVal_843 Int) (v_ArrVal_854 Int) (v_ArrVal_853 Int) (v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (|v_ULTIMATE.start_main_~i~0#1_122| Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_118| 1) |v_ULTIMATE.start_main_~i~0#1_117|)) (not (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_122|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_121| 1) |v_ULTIMATE.start_main_~i~0#1_120|)) (= (select (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_843) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_122| 4)) v_ArrVal_844) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_121| 4)) v_ArrVal_846) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_848) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_118| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4)) 0) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_122| 1) |v_ULTIMATE.start_main_~i~0#1_121|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_120| 1) |v_ULTIMATE.start_main_~i~0#1_119|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_119| 1) |v_ULTIMATE.start_main_~i~0#1_118|)))) is different from false [2021-12-21 10:09:14,724 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_123| Int)) (or (forall ((v_ArrVal_848 Int) (v_ArrVal_846 Int) (v_ArrVal_844 Int) (v_ArrVal_843 Int) (v_ArrVal_854 Int) (v_ArrVal_853 Int) (v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (|v_ULTIMATE.start_main_~i~0#1_122| Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_123| 1) |v_ULTIMATE.start_main_~i~0#1_122|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_118| 1) |v_ULTIMATE.start_main_~i~0#1_117|)) (= (select (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_123| 4)) v_ArrVal_843) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_122| 4)) v_ArrVal_844) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_121| 4)) v_ArrVal_846) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_848) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_118| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4)) 0) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_121| 1) |v_ULTIMATE.start_main_~i~0#1_120|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_122| 1) |v_ULTIMATE.start_main_~i~0#1_121|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_120| 1) |v_ULTIMATE.start_main_~i~0#1_119|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_119| 1) |v_ULTIMATE.start_main_~i~0#1_118|)))) (not (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_123|)))) is different from false [2021-12-21 10:09:16,866 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_848 Int) (v_ArrVal_846 Int) (v_ArrVal_844 Int) (v_ArrVal_843 Int) (v_ArrVal_854 Int) (v_ArrVal_853 Int) (v_ArrVal_841 Int) (v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (|v_ULTIMATE.start_main_~i~0#1_123| Int) (|v_ULTIMATE.start_main_~i~0#1_122| Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (= 0 (select (store (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_841) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_123| 4)) v_ArrVal_843) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_122| 4)) v_ArrVal_844) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_121| 4)) v_ArrVal_846) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_848) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_118| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4))) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_123| 1) |v_ULTIMATE.start_main_~i~0#1_122|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_118| 1) |v_ULTIMATE.start_main_~i~0#1_117|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_121| 1) |v_ULTIMATE.start_main_~i~0#1_120|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_122| 1) |v_ULTIMATE.start_main_~i~0#1_121|)) (not (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_123|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_120| 1) |v_ULTIMATE.start_main_~i~0#1_119|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_119| 1) |v_ULTIMATE.start_main_~i~0#1_118|)))) is different from false [2021-12-21 10:09:19,113 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_124| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_124|)) (forall ((v_ArrVal_848 Int) (v_ArrVal_846 Int) (v_ArrVal_844 Int) (v_ArrVal_843 Int) (v_ArrVal_854 Int) (v_ArrVal_853 Int) (v_ArrVal_841 Int) (v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (|v_ULTIMATE.start_main_~i~0#1_123| Int) (|v_ULTIMATE.start_main_~i~0#1_122| Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_124| 1) |v_ULTIMATE.start_main_~i~0#1_123|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_123| 1) |v_ULTIMATE.start_main_~i~0#1_122|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_118| 1) |v_ULTIMATE.start_main_~i~0#1_117|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_121| 1) |v_ULTIMATE.start_main_~i~0#1_120|)) (= (select (store (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_124| 4)) v_ArrVal_841) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_123| 4)) v_ArrVal_843) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_122| 4)) v_ArrVal_844) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_121| 4)) v_ArrVal_846) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_848) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_118| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4)) 0) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_122| 1) |v_ULTIMATE.start_main_~i~0#1_121|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_120| 1) |v_ULTIMATE.start_main_~i~0#1_119|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_119| 1) |v_ULTIMATE.start_main_~i~0#1_118|)))))) is different from false [2021-12-21 10:09:21,286 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_838 Int) (v_ArrVal_848 Int) (v_ArrVal_846 Int) (v_ArrVal_844 Int) (v_ArrVal_843 Int) (v_ArrVal_854 Int) (v_ArrVal_853 Int) (v_ArrVal_841 Int) (|v_ULTIMATE.start_main_~i~0#1_124| Int) (v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (|v_ULTIMATE.start_main_~i~0#1_123| Int) (|v_ULTIMATE.start_main_~i~0#1_122| Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_124| 1) |v_ULTIMATE.start_main_~i~0#1_123|)) (= (select (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_838) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_124| 4)) v_ArrVal_841) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_123| 4)) v_ArrVal_843) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_122| 4)) v_ArrVal_844) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_121| 4)) v_ArrVal_846) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_848) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_118| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4)) 0) (not (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_124|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_123| 1) |v_ULTIMATE.start_main_~i~0#1_122|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_118| 1) |v_ULTIMATE.start_main_~i~0#1_117|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_121| 1) |v_ULTIMATE.start_main_~i~0#1_120|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_122| 1) |v_ULTIMATE.start_main_~i~0#1_121|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_120| 1) |v_ULTIMATE.start_main_~i~0#1_119|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_119| 1) |v_ULTIMATE.start_main_~i~0#1_118|)))) is different from false [2021-12-21 10:09:23,567 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_125| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_~i~0#1| 1) |v_ULTIMATE.start_main_~i~0#1_125|)) (forall ((v_ArrVal_838 Int) (v_ArrVal_848 Int) (v_ArrVal_846 Int) (v_ArrVal_844 Int) (v_ArrVal_843 Int) (v_ArrVal_854 Int) (v_ArrVal_853 Int) (v_ArrVal_841 Int) (|v_ULTIMATE.start_main_~i~0#1_124| Int) (v_ArrVal_851 Int) (|v_ULTIMATE.start_main_~i~0#1_121| Int) (|v_ULTIMATE.start_main_~i~0#1_120| Int) (|v_ULTIMATE.start_main_~i~0#1_123| Int) (|v_ULTIMATE.start_main_~i~0#1_122| Int) (|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~i~0#1_117| Int) (|v_ULTIMATE.start_main_~i~0#1_119| Int)) (or (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_124| 1) |v_ULTIMATE.start_main_~i~0#1_123|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_123| 1) |v_ULTIMATE.start_main_~i~0#1_122|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_118| 1) |v_ULTIMATE.start_main_~i~0#1_117|)) (= (select (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#c~0#1.base|) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_125| 4)) v_ArrVal_838) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_124| 4)) v_ArrVal_841) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_123| 4)) v_ArrVal_843) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_122| 4)) v_ArrVal_844) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_121| 4)) v_ArrVal_846) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_120| 4)) v_ArrVal_848) (+ (* |v_ULTIMATE.start_main_~i~0#1_119| 4) |c_ULTIMATE.start_main_~#c~0#1.offset|) v_ArrVal_851) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_118| 4)) v_ArrVal_853) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| (* |v_ULTIMATE.start_main_~i~0#1_117| 4)) v_ArrVal_854) (+ |c_ULTIMATE.start_main_~#c~0#1.offset| 4)) 0) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_121| 1) |v_ULTIMATE.start_main_~i~0#1_120|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_122| 1) |v_ULTIMATE.start_main_~i~0#1_121|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_120| 1) |v_ULTIMATE.start_main_~i~0#1_119|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_119| 1) |v_ULTIMATE.start_main_~i~0#1_118|)) (not (<= (+ |v_ULTIMATE.start_main_~i~0#1_125| 1) |v_ULTIMATE.start_main_~i~0#1_124|)))))) is different from false