./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/res2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa --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 105e7597bd9cfde6146cefe87563ba1bc48309677fb8b2f1d1f421bc92453e6b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:49:46,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:49:46,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:49:46,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:49:46,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:49:46,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:49:46,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:49:46,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:49:46,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:49:46,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:49:46,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:49:46,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:49:46,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:49:46,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:49:46,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:49:46,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:49:46,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:49:46,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:49:46,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:49:46,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:49:46,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:49:46,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:49:46,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:49:46,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:49:46,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:49:46,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:49:46,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:49:46,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:49:46,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:49:46,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:49:46,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:49:46,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:49:46,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:49:46,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:49:46,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:49:46,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:49:46,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:49:46,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:49:46,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:49:46,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:49:46,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:49:46,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 19:49:46,195 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:49:46,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:49:46,195 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:49:46,195 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:49:46,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:49:46,196 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:49:46,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:49:46,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:49:46,197 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:49:46,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:49:46,197 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:49:46,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:49:46,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:49:46,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:49:46,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:49:46,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:49:46,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:49:46,198 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:49:46,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:49:46,199 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:49:46,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:49:46,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:49:46,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:49:46,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:49:46,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:49:46,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:49:46,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:49:46,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:49:46,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:49:46,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:49:46,200 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:49:46,200 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:49:46,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:49:46,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:49:46,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 105e7597bd9cfde6146cefe87563ba1bc48309677fb8b2f1d1f421bc92453e6b [2021-12-06 19:49:46,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:49:46,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:49:46,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:49:46,421 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:49:46,422 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:49:46,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/array-fpi/res2.c [2021-12-06 19:49:46,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/data/72e754bfc/ac748a3b6d8543d2b559e9a1b3f1ff15/FLAGbea69a3df [2021-12-06 19:49:46,886 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:49:46,886 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/sv-benchmarks/c/array-fpi/res2.c [2021-12-06 19:49:46,891 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/data/72e754bfc/ac748a3b6d8543d2b559e9a1b3f1ff15/FLAGbea69a3df [2021-12-06 19:49:46,901 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/data/72e754bfc/ac748a3b6d8543d2b559e9a1b3f1ff15 [2021-12-06 19:49:46,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:49:46,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:49:46,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:49:46,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:49:46,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:49:46,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:49:46" (1/1) ... [2021-12-06 19:49:46,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74caaef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:49:46, skipping insertion in model container [2021-12-06 19:49:46,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:49:46" (1/1) ... [2021-12-06 19:49:46,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:49:46,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:49:47,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/sv-benchmarks/c/array-fpi/res2.c[587,600] [2021-12-06 19:49:47,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:49:47,058 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:49:47,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/sv-benchmarks/c/array-fpi/res2.c[587,600] [2021-12-06 19:49:47,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:49:47,085 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:49:47,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:49:47 WrapperNode [2021-12-06 19:49:47,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:49:47,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:49:47,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:49:47,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:49:47,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:49:47" (1/1) ... [2021-12-06 19:49:47,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:49:47" (1/1) ... [2021-12-06 19:49:47,113 INFO L137 Inliner]: procedures = 17, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 120 [2021-12-06 19:49:47,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:49:47,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:49:47,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:49:47,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:49:47,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:49:47" (1/1) ... [2021-12-06 19:49:47,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:49:47" (1/1) ... [2021-12-06 19:49:47,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:49:47" (1/1) ... [2021-12-06 19:49:47,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:49:47" (1/1) ... [2021-12-06 19:49:47,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:49:47" (1/1) ... [2021-12-06 19:49:47,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:49:47" (1/1) ... [2021-12-06 19:49:47,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:49:47" (1/1) ... [2021-12-06 19:49:47,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:49:47,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:49:47,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:49:47,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:49:47,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:49:47" (1/1) ... [2021-12-06 19:49:47,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:49:47,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:49:47,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:49:47,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:49:47,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:49:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:49:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:49:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:49:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 19:49:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:49:47,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:49:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:49:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:49:47,243 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:49:47,244 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:49:47,368 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:49:47,373 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:49:47,373 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-06 19:49:47,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:49:47 BoogieIcfgContainer [2021-12-06 19:49:47,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:49:47,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:49:47,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:49:47,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:49:47,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:49:46" (1/3) ... [2021-12-06 19:49:47,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b821f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:49:47, skipping insertion in model container [2021-12-06 19:49:47,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:49:47" (2/3) ... [2021-12-06 19:49:47,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b821f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:49:47, skipping insertion in model container [2021-12-06 19:49:47,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:49:47" (3/3) ... [2021-12-06 19:49:47,381 INFO L111 eAbstractionObserver]: Analyzing ICFG res2.c [2021-12-06 19:49:47,385 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:49:47,385 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:49:47,432 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:49:47,437 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 [2021-12-06 19:49:47,438 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 19:49:47,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 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) [2021-12-06 19:49:47,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-06 19:49:47,455 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:49:47,455 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:49:47,456 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:49:47,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:49:47,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1780399656, now seen corresponding path program 1 times [2021-12-06 19:49:47,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:49:47,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238886184] [2021-12-06 19:49:47,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:49:47,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:49:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:47,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:49:47,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:49:47,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238886184] [2021-12-06 19:49:47,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238886184] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:49:47,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:49:47,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:49:47,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498857403] [2021-12-06 19:49:47,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:49:47,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 19:49:47,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:49:47,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 19:49:47,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:49:47,639 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-12-06 19:49:47,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:49:47,656 INFO L93 Difference]: Finished difference Result 56 states and 82 transitions. [2021-12-06 19:49:47,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 19:49:47,658 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 19 [2021-12-06 19:49:47,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:49:47,664 INFO L225 Difference]: With dead ends: 56 [2021-12-06 19:49:47,664 INFO L226 Difference]: Without dead ends: 26 [2021-12-06 19:49:47,667 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 [2021-12-06 19:49:47,670 INFO L933 BasicCegarLoop]: 36 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, 36 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 [2021-12-06 19:49:47,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:49:47,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-12-06 19:49:47,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-12-06 19:49:47,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 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) [2021-12-06 19:49:47,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-12-06 19:49:47,700 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 19 [2021-12-06 19:49:47,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:49:47,700 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-12-06 19:49:47,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-12-06 19:49:47,701 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-12-06 19:49:47,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-06 19:49:47,702 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:49:47,702 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:49:47,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:49:47,702 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:49:47,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:49:47,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1279549768, now seen corresponding path program 1 times [2021-12-06 19:49:47,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:49:47,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316143202] [2021-12-06 19:49:47,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:49:47,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:49:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:49:47,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:49:47,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316143202] [2021-12-06 19:49:47,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316143202] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:49:47,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:49:47,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:49:47,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73445346] [2021-12-06 19:49:47,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:49:47,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:49:47,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:49:47,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:49:47,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:49:47,797 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2021-12-06 19:49:47,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:49:47,861 INFO L93 Difference]: Finished difference Result 57 states and 72 transitions. [2021-12-06 19:49:47,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 19:49:47,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 19 [2021-12-06 19:49:47,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:49:47,862 INFO L225 Difference]: With dead ends: 57 [2021-12-06 19:49:47,862 INFO L226 Difference]: Without dead ends: 38 [2021-12-06 19:49:47,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:49:47,864 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 39 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:49:47,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 14 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:49:47,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-12-06 19:49:47,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32. [2021-12-06 19:49:47,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 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) [2021-12-06 19:49:47,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2021-12-06 19:49:47,872 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 19 [2021-12-06 19:49:47,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:49:47,872 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2021-12-06 19:49:47,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2021-12-06 19:49:47,872 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2021-12-06 19:49:47,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-06 19:49:47,873 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:49:47,873 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:49:47,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 19:49:47,873 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:49:47,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:49:47,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1740145276, now seen corresponding path program 1 times [2021-12-06 19:49:47,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:49:47,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517709059] [2021-12-06 19:49:47,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:49:47,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:49:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:49:48,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:49:48,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517709059] [2021-12-06 19:49:48,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517709059] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:49:48,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460642853] [2021-12-06 19:49:48,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:49:48,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:49:48,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:49:48,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:49:48,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 19:49:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:48,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 51 conjunts are in the unsatisfiable core [2021-12-06 19:49:48,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:49:48,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-06 19:49:48,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 19:49:48,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-12-06 19:49:48,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2021-12-06 19:49:49,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:49:49,053 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-12-06 19:49:49,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2021-12-06 19:49:49,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:49:49,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2021-12-06 19:49:49,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:49:49,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:49:49,344 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-12-06 19:49:49,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2021-12-06 19:49:49,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:49:49,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2021-12-06 19:49:49,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:49:49,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2021-12-06 19:49:49,575 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:49:49,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:50:24,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:50:24,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:50:24,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:50:24,769 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:50:24,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460642853] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:50:24,770 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:50:24,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 41 [2021-12-06 19:50:24,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443784354] [2021-12-06 19:50:24,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:50:24,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2021-12-06 19:50:24,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:50:24,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-12-06 19:50:24,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=1355, Unknown=14, NotChecked=0, Total=1640 [2021-12-06 19:50:24,773 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand has 41 states, 41 states have (on average 1.975609756097561) internal successors, (81), 41 states have internal predecessors, (81), 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) [2021-12-06 19:50:27,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:50:27,109 INFO L93 Difference]: Finished difference Result 78 states and 93 transitions. [2021-12-06 19:50:27,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-06 19:50:27,109 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 1.975609756097561) internal successors, (81), 41 states have internal predecessors, (81), 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 31 [2021-12-06 19:50:27,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:50:27,119 INFO L225 Difference]: With dead ends: 78 [2021-12-06 19:50:27,119 INFO L226 Difference]: Without dead ends: 73 [2021-12-06 19:50:27,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 43 SyntacticMatches, 10 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 990 ImplicationChecksByTransitivity, 36.9s TimeCoverageRelationStatistics Valid=482, Invalid=2366, Unknown=14, NotChecked=0, Total=2862 [2021-12-06 19:50:27,121 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 62 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 400 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:50:27,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 158 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 171 Invalid, 0 Unknown, 400 Unchecked, 0.2s Time] [2021-12-06 19:50:27,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-12-06 19:50:27,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 61. [2021-12-06 19:50:27,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.2333333333333334) internal successors, (74), 60 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) [2021-12-06 19:50:27,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 74 transitions. [2021-12-06 19:50:27,130 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 74 transitions. Word has length 31 [2021-12-06 19:50:27,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:50:27,130 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 74 transitions. [2021-12-06 19:50:27,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.975609756097561) internal successors, (81), 41 states have internal predecessors, (81), 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) [2021-12-06 19:50:27,130 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 74 transitions. [2021-12-06 19:50:27,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-06 19:50:27,131 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:50:27,131 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:50:27,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:50:27,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:50:27,334 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:50:27,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:50:27,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1839245574, now seen corresponding path program 2 times [2021-12-06 19:50:27,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:50:27,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555197026] [2021-12-06 19:50:27,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:50:27,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:50:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:27,439 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 19:50:27,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:50:27,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555197026] [2021-12-06 19:50:27,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555197026] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:50:27,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589445776] [2021-12-06 19:50:27,440 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 19:50:27,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:50:27,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:50:27,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:50:27,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 19:50:27,486 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 19:50:27,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:50:27,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:50:27,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:50:27,552 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 19:50:27,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:50:27,604 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 19:50:27,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589445776] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:50:27,604 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:50:27,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-12-06 19:50:27,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253018147] [2021-12-06 19:50:27,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:50:27,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 19:50:27,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:50:27,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 19:50:27,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-06 19:50:27,605 INFO L87 Difference]: Start difference. First operand 61 states and 74 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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) [2021-12-06 19:50:27,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:50:27,750 INFO L93 Difference]: Finished difference Result 138 states and 164 transitions. [2021-12-06 19:50:27,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:50:27,751 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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 [2021-12-06 19:50:27,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:50:27,752 INFO L225 Difference]: With dead ends: 138 [2021-12-06 19:50:27,752 INFO L226 Difference]: Without dead ends: 72 [2021-12-06 19:50:27,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2021-12-06 19:50:27,753 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 88 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:50:27,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 35 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:50:27,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-12-06 19:50:27,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 54. [2021-12-06 19:50:27,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.169811320754717) internal successors, (62), 53 states have internal predecessors, (62), 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) [2021-12-06 19:50:27,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2021-12-06 19:50:27,760 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 33 [2021-12-06 19:50:27,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:50:27,760 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2021-12-06 19:50:27,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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) [2021-12-06 19:50:27,760 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2021-12-06 19:50:27,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-06 19:50:27,761 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:50:27,761 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:50:27,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 19:50:27,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:50:27,963 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:50:27,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:50:27,965 INFO L85 PathProgramCache]: Analyzing trace with hash 447877832, now seen corresponding path program 3 times [2021-12-06 19:50:27,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:50:27,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179360652] [2021-12-06 19:50:27,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:50:27,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:50:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 19:50:28,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:50:28,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179360652] [2021-12-06 19:50:28,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179360652] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:50:28,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279075208] [2021-12-06 19:50:28,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 19:50:28,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:50:28,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:50:28,074 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:50:28,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 19:50:28,131 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-06 19:50:28,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:50:28,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:50:28,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:50:28,202 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 19:50:28,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:50:28,269 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 19:50:28,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279075208] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:50:28,269 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:50:28,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-12-06 19:50:28,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747804394] [2021-12-06 19:50:28,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:50:28,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 19:50:28,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:50:28,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 19:50:28,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-06 19:50:28,271 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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) [2021-12-06 19:50:28,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:50:28,435 INFO L93 Difference]: Finished difference Result 65 states and 73 transitions. [2021-12-06 19:50:28,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:50:28,435 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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 35 [2021-12-06 19:50:28,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:50:28,436 INFO L225 Difference]: With dead ends: 65 [2021-12-06 19:50:28,436 INFO L226 Difference]: Without dead ends: 49 [2021-12-06 19:50:28,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 64 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-12-06 19:50:28,437 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 65 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:50:28,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 30 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:50:28,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-12-06 19:50:28,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 44. [2021-12-06 19:50:28,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.1395348837209303) internal successors, (49), 43 states have internal predecessors, (49), 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) [2021-12-06 19:50:28,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2021-12-06 19:50:28,442 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 35 [2021-12-06 19:50:28,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:50:28,443 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2021-12-06 19:50:28,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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) [2021-12-06 19:50:28,443 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2021-12-06 19:50:28,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-12-06 19:50:28,444 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:50:28,444 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:50:28,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 19:50:28,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:50:28,646 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:50:28,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:50:28,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1410382416, now seen corresponding path program 4 times [2021-12-06 19:50:28,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:50:28,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658816306] [2021-12-06 19:50:28,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:50:28,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:50:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:30,203 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:50:30,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:50:30,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658816306] [2021-12-06 19:50:30,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658816306] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:50:30,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542628909] [2021-12-06 19:50:30,204 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 19:50:30,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:50:30,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:50:30,205 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:50:30,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 19:50:30,248 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 19:50:30,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:50:30,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 78 conjunts are in the unsatisfiable core [2021-12-06 19:50:30,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:50:30,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 19:50:30,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:30,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 19:50:30,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:30,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:30,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-12-06 19:50:30,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:30,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:50:30,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:30,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2021-12-06 19:50:30,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:30,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-12-06 19:50:31,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:31,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:31,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:31,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:50:31,077 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-12-06 19:50:31,078 INFO L388 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 47 treesize of output 48 [2021-12-06 19:50:31,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:31,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:31,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:31,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:50:31,408 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-12-06 19:50:31,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 67 [2021-12-06 19:50:31,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:31,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:31,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:50:31,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2021-12-06 19:50:31,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:31,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2021-12-06 19:50:32,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:32,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:32,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:50:32,145 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-12-06 19:50:32,145 INFO L388 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 48 treesize of output 49 [2021-12-06 19:50:32,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:32,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:32,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:32,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:50:32,456 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-12-06 19:50:32,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 68 [2021-12-06 19:50:32,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:32,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:50:32,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:32,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2021-12-06 19:50:32,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:32,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2021-12-06 19:50:32,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:50:32,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2021-12-06 19:50:32,992 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:50:32,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:53:48,599 WARN L838 $PredicateComparison]: unable to prove that (forall ((~N~0 Int)) (or (<= ~N~0 |c_ULTIMATE.start_main_~i~0#1|) (forall ((v_ArrVal_324 Int) (v_ArrVal_312 Int) (v_ArrVal_322 Int) (v_ArrVal_320 Int) (v_ArrVal_331 Int) (v_ArrVal_319 Int) (v_ArrVal_317 Int) (v_ArrVal_328 Int) (v_ArrVal_326 Int) (v_ArrVal_314 Int)) (let ((.cse3 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_312))) (let ((.cse10 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse3))) (let ((.cse2 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse12 (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_317))) (.cse5 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 4))) (let ((.cse0 (store (store (select .cse12 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| v_ArrVal_319) .cse5 v_ArrVal_320))) (let ((.cse4 (store .cse12 |c_ULTIMATE.start_main_~b~0#1.base| .cse0))) (let ((.cse1 (select .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse11 (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_324))) (.cse8 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 4))) (let ((.cse9 (store (store (select .cse11 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| v_ArrVal_326) .cse8 v_ArrVal_328))) (let ((.cse6 (store .cse11 |c_ULTIMATE.start_main_~c~0#1.base| .cse9))) (let ((.cse7 (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (or (< (+ (select .cse0 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) v_ArrVal_322) (< (+ (select .cse2 |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|)) v_ArrVal_314) (< (+ v_ArrVal_322 (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_322)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse5)) v_ArrVal_324) (<= (+ v_ArrVal_331 (select (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_331)) |c_ULTIMATE.start_main_~c~0#1.base|) .cse8)) (* 3 ~N~0)) (< 1 v_ArrVal_312) (< 1 v_ArrVal_326) (< 1 v_ArrVal_328) (< (+ (select .cse9 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) v_ArrVal_331) (< 1 v_ArrVal_320) (< 1 v_ArrVal_319) (< (+ v_ArrVal_314 (select (select (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_314)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))) v_ArrVal_317)))))))))))))))) is different from false [2021-12-06 19:54:28,678 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 19 refuted. 3 times theorem prover too weak. 0 trivial. 2 not checked. [2021-12-06 19:54:28,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542628909] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:54:28,679 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:54:28,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 27, 27] total 82 [2021-12-06 19:54:28,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862103317] [2021-12-06 19:54:28,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:54:28,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2021-12-06 19:54:28,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:54:28,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-12-06 19:54:28,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=644, Invalid=5756, Unknown=84, NotChecked=158, Total=6642 [2021-12-06 19:54:28,682 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 82 states, 82 states have (on average 1.4146341463414633) internal successors, (116), 82 states have internal predecessors, (116), 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) [2021-12-06 19:54:31,510 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse14 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (<= (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)) 1) (forall ((~N~0 Int)) (or (<= ~N~0 |c_ULTIMATE.start_main_~i~0#1|) (forall ((v_ArrVal_324 Int) (v_ArrVal_312 Int) (v_ArrVal_322 Int) (v_ArrVal_320 Int) (v_ArrVal_331 Int) (v_ArrVal_319 Int) (v_ArrVal_317 Int) (v_ArrVal_328 Int) (v_ArrVal_326 Int) (v_ArrVal_314 Int)) (let ((.cse4 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_312))) (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse4))) (let ((.cse3 (select .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse13 (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_317))) (.cse6 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 4))) (let ((.cse1 (store (store (select .cse13 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| v_ArrVal_319) .cse6 v_ArrVal_320))) (let ((.cse5 (store .cse13 |c_ULTIMATE.start_main_~b~0#1.base| .cse1))) (let ((.cse2 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse12 (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_324))) (.cse9 (+ |c_ULTIMATE.start_main_~c~0#1.offset| 4))) (let ((.cse10 (store (store (select .cse12 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| v_ArrVal_326) .cse9 v_ArrVal_328))) (let ((.cse7 (store .cse12 |c_ULTIMATE.start_main_~c~0#1.base| .cse10))) (let ((.cse8 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (or (< (+ (select .cse1 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse2 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) v_ArrVal_322) (< (+ (select .cse3 |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse4 |c_ULTIMATE.start_main_~a~0#1.offset|)) v_ArrVal_314) (< (+ v_ArrVal_322 (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_322)) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6)) v_ArrVal_324) (<= (+ v_ArrVal_331 (select (select (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_331)) |c_ULTIMATE.start_main_~c~0#1.base|) .cse9)) (* 3 ~N~0)) (< 1 v_ArrVal_312) (< 1 v_ArrVal_326) (< 1 v_ArrVal_328) (< (+ (select .cse10 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) v_ArrVal_331) (< 1 v_ArrVal_320) (< 1 v_ArrVal_319) (< (+ v_ArrVal_314 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse3 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_314)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))) v_ArrVal_317)))))))))))))))) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (<= .cse14 0) (= .cse14 0) (= (select .cse0 0) 1) (<= |c_ULTIMATE.start_main_~i~0#1| 2) (not (= |c_ULTIMATE.start_main_~#sum~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (= 1 (select .cse0 4)) (< (+ |c_ULTIMATE.start_main_~a~0#1.base| 1) |c_ULTIMATE.start_main_~#sum~0#1.base|) (< (+ |c_ULTIMATE.start_main_~b~0#1.base| 1) |c_ULTIMATE.start_main_~#sum~0#1.base|) (< (+ |c_ULTIMATE.start_main_~c~0#1.base| 1) |c_ULTIMATE.start_main_~#sum~0#1.base|) (= |c_ULTIMATE.start_main_~c~0#1.offset| 0) (not (= |c_ULTIMATE.start_main_~#sum~0#1.base| |c_ULTIMATE.start_main_~c~0#1.base|)) (<= 2 c_~N~0) (= |c_ULTIMATE.start_main_~b~0#1.offset| 0) (not (= |c_ULTIMATE.start_main_~#sum~0#1.base| |c_ULTIMATE.start_main_~b~0#1.base|)) (< 1 c_~N~0) (<= (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) is different from false [2021-12-06 19:56:21,525 WARN L227 SmtUtils]: Spent 6.10s on a formula simplification that was a NOOP. DAG size: 97 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 19:58:25,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:58:25,233 INFO L93 Difference]: Finished difference Result 118 states and 136 transitions. [2021-12-06 19:58:25,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-12-06 19:58:25,234 INFO L78 Accepts]: Start accepts. Automaton has has 82 states, 82 states have (on average 1.4146341463414633) internal successors, (116), 82 states have internal predecessors, (116), 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 43 [2021-12-06 19:58:25,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:58:25,235 INFO L225 Difference]: With dead ends: 118 [2021-12-06 19:58:25,235 INFO L226 Difference]: Without dead ends: 113 [2021-12-06 19:58:25,238 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 115 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 4719 ImplicationChecksByTransitivity, 435.5s TimeCoverageRelationStatistics Valid=1295, Invalid=11652, Unknown=171, NotChecked=454, Total=13572 [2021-12-06 19:58:25,239 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 39 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 1606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1102 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 19:58:25,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 226 Invalid, 1606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 445 Invalid, 0 Unknown, 1102 Unchecked, 0.4s Time] [2021-12-06 19:58:25,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-12-06 19:58:25,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 103. [2021-12-06 19:58:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.1764705882352942) internal successors, (120), 102 states have internal predecessors, (120), 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) [2021-12-06 19:58:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2021-12-06 19:58:25,250 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 43 [2021-12-06 19:58:25,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:58:25,250 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2021-12-06 19:58:25,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 1.4146341463414633) internal successors, (116), 82 states have internal predecessors, (116), 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) [2021-12-06 19:58:25,251 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2021-12-06 19:58:25,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-06 19:58:25,252 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:58:25,252 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:58:25,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 19:58:25,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:58:25,454 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:58:25,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:58:25,455 INFO L85 PathProgramCache]: Analyzing trace with hash -313453870, now seen corresponding path program 5 times [2021-12-06 19:58:25,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:58:25,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982549025] [2021-12-06 19:58:25,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:58:25,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:58:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:58:25,561 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-06 19:58:25,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:58:25,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982549025] [2021-12-06 19:58:25,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982549025] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:58:25,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780511289] [2021-12-06 19:58:25,562 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-06 19:58:25,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:58:25,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:58:25,563 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:58:25,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 19:58:25,685 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-12-06 19:58:25,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:58:25,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:58:25,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:58:25,811 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-06 19:58:25,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:58:25,886 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-06 19:58:25,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780511289] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:58:25,886 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:58:25,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2021-12-06 19:58:25,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063117051] [2021-12-06 19:58:25,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:58:25,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 19:58:25,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:58:25,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 19:58:25,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2021-12-06 19:58:25,887 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand has 19 states, 19 states have (on average 3.6315789473684212) internal successors, (69), 19 states have internal predecessors, (69), 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) [2021-12-06 19:58:26,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:58:26,378 INFO L93 Difference]: Finished difference Result 154 states and 180 transitions. [2021-12-06 19:58:26,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 19:58:26,379 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.6315789473684212) internal successors, (69), 19 states have internal predecessors, (69), 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 45 [2021-12-06 19:58:26,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:58:26,379 INFO L225 Difference]: With dead ends: 154 [2021-12-06 19:58:26,379 INFO L226 Difference]: Without dead ends: 69 [2021-12-06 19:58:26,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=858, Unknown=0, NotChecked=0, Total=1056 [2021-12-06 19:58:26,381 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 227 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:58:26,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 50 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 19:58:26,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-12-06 19:58:26,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 56. [2021-12-06 19:58:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.1090909090909091) internal successors, (61), 55 states have internal predecessors, (61), 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) [2021-12-06 19:58:26,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2021-12-06 19:58:26,386 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 45 [2021-12-06 19:58:26,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:58:26,386 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2021-12-06 19:58:26,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.6315789473684212) internal successors, (69), 19 states have internal predecessors, (69), 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) [2021-12-06 19:58:26,387 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2021-12-06 19:58:26,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-06 19:58:26,387 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:58:26,387 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:58:26,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 19:58:26,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-06 19:58:26,589 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:58:26,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:58:26,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1101638372, now seen corresponding path program 6 times [2021-12-06 19:58:26,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:58:26,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411332324] [2021-12-06 19:58:26,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:58:26,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:58:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:58:29,794 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:58:29,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:58:29,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411332324] [2021-12-06 19:58:29,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411332324] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:58:29,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146697756] [2021-12-06 19:58:29,794 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-06 19:58:29,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:58:29,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:58:29,795 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:58:29,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea86545f-2296-4211-8891-091136f9c54a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 19:58:29,934 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-12-06 19:58:29,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:58:29,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 120 conjunts are in the unsatisfiable core [2021-12-06 19:58:29,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:58:29,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 19:58:29,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-06 19:58:30,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 19:58:30,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:30,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-12-06 19:58:30,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:30,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:30,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:30,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2021-12-06 19:58:30,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:30,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:30,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:30,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2021-12-06 19:58:31,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:31,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:31,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:31,109 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-12-06 19:58:31,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 61 [2021-12-06 19:58:31,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:31,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:31,343 INFO L354 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2021-12-06 19:58:31,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 65 treesize of output 68 [2021-12-06 19:58:32,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:32,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:32,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:32,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:32,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:32,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:32,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:32,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:32,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:32,126 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-12-06 19:58:32,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 65 [2021-12-06 19:58:32,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:32,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:32,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:32,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:32,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:32,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:32,778 INFO L354 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2021-12-06 19:58:32,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 78 treesize of output 79 [2021-12-06 19:58:33,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:33,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:33,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:33,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:33,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:33,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:33,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:33,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:33,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:33,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:33,854 INFO L354 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2021-12-06 19:58:33,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 80 treesize of output 92 [2021-12-06 19:58:37,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:37,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:37,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:37,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:37,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:37,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:37,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:37,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:37,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:37,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:37,910 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-12-06 19:58:37,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 113 treesize of output 105 [2021-12-06 19:58:38,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:38,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:38,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:38,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:38,145 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-12-06 19:58:38,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 63 [2021-12-06 19:58:38,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:38,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:38,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:38,421 INFO L354 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2021-12-06 19:58:38,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 70 treesize of output 69 [2021-12-06 19:58:41,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:41,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:41,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:41,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:41,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:41,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:41,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:41,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:41,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:41,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:41,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:41,264 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-12-06 19:58:41,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 66 [2021-12-06 19:58:42,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:42,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:42,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:42,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:42,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:42,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:42,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:42,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:42,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:42,174 INFO L354 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2021-12-06 19:58:42,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 114 treesize of output 93 [2021-12-06 19:58:43,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:43,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:43,222 INFO L354 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2021-12-06 19:58:43,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 107 treesize of output 97 [2021-12-06 19:58:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2021-12-06 19:58:43,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:43,758 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-12-06 19:58:43,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 63 [2021-12-06 19:58:44,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:44,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:44,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:44,034 INFO L354 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2021-12-06 19:58:44,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 70 treesize of output 69 [2021-12-06 19:58:46,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:46,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:46,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:46,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:46,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:46,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 19:58:46,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 19:58:46,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 20 [2021-12-06 19:58:46,855 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:58:46,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:58:59,226 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_555 Int) (|v_ULTIMATE.start_main_~i~0#1_130| Int) (v_ArrVal_559 Int) (v_ArrVal_557 Int)) (let ((.cse3 (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_555))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse3))) (let ((.cse2 (* |v_ULTIMATE.start_main_~i~0#1_130| 4)) (.cse1 (select .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (or (< (+ v_ArrVal_557 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_557)) |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse2))) v_ArrVal_559) (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_130|) c_~N~0) (< 1 v_ArrVal_555) (<= (+ v_ArrVal_559 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_559)) |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse2 4))) (* 3 c_~N~0)) (< (+ (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse3 |c_ULTIMATE.start_main_~c~0#1.offset|)) v_ArrVal_557) (<= c_~N~0 (+ |v_ULTIMATE.start_main_~i~0#1_130| 1))))))) is different from false [2021-12-06 19:59:01,379 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_555 Int) (|v_ULTIMATE.start_main_~i~0#1_130| Int) (v_ArrVal_559 Int) (v_ArrVal_557 Int)) (let ((.cse0 (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) 4) v_ArrVal_555))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse0))) (let ((.cse1 (select .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base|)) (.cse3 (* |v_ULTIMATE.start_main_~i~0#1_130| 4))) (or (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_130|) c_~N~0) (< 1 v_ArrVal_555) (< (+ (select .cse0 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) v_ArrVal_557) (<= (+ v_ArrVal_559 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_559)) |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse3 4))) (* 3 c_~N~0)) (<= c_~N~0 (+ |v_ULTIMATE.start_main_~i~0#1_130| 1)) (< (+ v_ArrVal_557 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_557)) |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse3))) v_ArrVal_559)))))) is different from false [2021-12-06 19:59:03,649 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_555 Int) (v_ArrVal_553 Int) (|v_ULTIMATE.start_main_~i~0#1_130| Int) (v_ArrVal_559 Int) (v_ArrVal_557 Int)) (let ((.cse3 (let ((.cse4 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse4) v_ArrVal_553) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse4 4) v_ArrVal_555)))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse3))) (let ((.cse2 (* |v_ULTIMATE.start_main_~i~0#1_130| 4)) (.cse1 (select .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (or (< (+ v_ArrVal_557 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_557)) |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse2))) v_ArrVal_559) (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_130|) c_~N~0) (<= (+ v_ArrVal_559 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_559)) |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse2 4))) (* 3 c_~N~0)) (< 1 v_ArrVal_555) (< 1 v_ArrVal_553) (< (+ (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse3 |c_ULTIMATE.start_main_~c~0#1.offset|)) v_ArrVal_557) (<= c_~N~0 (+ |v_ULTIMATE.start_main_~i~0#1_130| 1))))))) is different from false [2021-12-06 19:59:05,918 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_555 Int) (v_ArrVal_553 Int) (|v_ULTIMATE.start_main_~i~0#1_130| Int) (v_ArrVal_559 Int) (v_ArrVal_557 Int)) (let ((.cse3 (let ((.cse4 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse4 4) v_ArrVal_553) (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8 .cse4) v_ArrVal_555)))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse3))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base|)) (.cse2 (* |v_ULTIMATE.start_main_~i~0#1_130| 4))) (or (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_130|) c_~N~0) (<= (+ v_ArrVal_559 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_559)) |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse2 4))) (* 3 c_~N~0)) (< (+ (select .cse3 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) v_ArrVal_557) (< 1 v_ArrVal_555) (< 1 v_ArrVal_553) (< (+ v_ArrVal_557 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_557)) |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse2))) v_ArrVal_559) (<= c_~N~0 (+ |v_ULTIMATE.start_main_~i~0#1_130| 1))))))) is different from false [2021-12-06 19:59:08,486 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_555 Int) (v_ArrVal_553 Int) (v_ArrVal_550 Int) (|v_ULTIMATE.start_main_~i~0#1_130| Int) (v_ArrVal_559 Int) (v_ArrVal_557 Int)) (let ((.cse1 (let ((.cse4 (* |c_ULTIMATE.start_main_~i~0#1| 4))) (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse4) v_ArrVal_550) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse4 4) v_ArrVal_553) (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8 .cse4) v_ArrVal_555)))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse1))) (let ((.cse0 (select .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base|)) (.cse3 (* |v_ULTIMATE.start_main_~i~0#1_130| 4))) (or (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_130|) c_~N~0) (< 1 v_ArrVal_555) (< 1 v_ArrVal_553) (< (+ (select .cse0 |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse1 |c_ULTIMATE.start_main_~c~0#1.offset|)) v_ArrVal_557) (<= (+ v_ArrVal_559 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_559)) |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse3 4))) (* 3 c_~N~0)) (<= c_~N~0 (+ |v_ULTIMATE.start_main_~i~0#1_130| 1)) (< (+ v_ArrVal_557 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_557)) |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse3))) v_ArrVal_559) (< 1 v_ArrVal_550)))))) is different from false [2021-12-06 19:59:10,808 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_555 Int) (v_ArrVal_553 Int) (v_ArrVal_550 Int) (|v_ULTIMATE.start_main_~i~0#1_130| Int) (v_ArrVal_559 Int) (v_ArrVal_557 Int)) (let ((.cse3 (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| v_ArrVal_550) (+ |c_ULTIMATE.start_main_~c~0#1.offset| 4) v_ArrVal_553) (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8) v_ArrVal_555))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse3))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base|)) (.cse2 (* |v_ULTIMATE.start_main_~i~0#1_130| 4))) (or (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_130|) c_~N~0) (<= (+ v_ArrVal_559 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_559)) |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse2 4))) (* 3 c_~N~0)) (< 1 v_ArrVal_555) (< 1 v_ArrVal_553) (< (+ (select .cse3 |c_ULTIMATE.start_main_~c~0#1.offset|) (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) v_ArrVal_557) (<= c_~N~0 (+ |v_ULTIMATE.start_main_~i~0#1_130| 1)) (< (+ v_ArrVal_557 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_557)) |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse2))) v_ArrVal_559) (< 1 v_ArrVal_550)))))) is different from false [2021-12-06 20:02:56,434 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_555 Int) (v_ArrVal_543 Int) (v_ArrVal_553 Int) (v_ArrVal_550 Int) (|v_ULTIMATE.start_main_~i~0#1_130| Int) (v_ArrVal_548 Int) (v_ArrVal_559 Int) (|v_ULTIMATE.start_main_~i~0#1_139| Int) (v_ArrVal_547 Int) (v_ArrVal_557 Int) (v_ArrVal_545 Int)) (let ((.cse3 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* |c_ULTIMATE.start_main_~i~0#1| 4)) v_ArrVal_543))) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse3))) (let ((.cse2 (select .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse8 (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_548)))) (let ((.cse1 (store (store (store (select .cse8 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| v_ArrVal_550) (+ |c_ULTIMATE.start_main_~c~0#1.offset| 4) v_ArrVal_553) (+ |c_ULTIMATE.start_main_~c~0#1.offset| 8) v_ArrVal_555))) (let ((.cse6 (store .cse8 |c_ULTIMATE.start_main_~c~0#1.base| .cse1))) (let ((.cse0 (select .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base|)) (.cse7 (* |v_ULTIMATE.start_main_~i~0#1_130| 4)) (.cse5 (* |v_ULTIMATE.start_main_~i~0#1_139| 4))) (or (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_130|) c_~N~0) (< (+ (select .cse0 |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse1 |c_ULTIMATE.start_main_~c~0#1.offset|)) v_ArrVal_557) (< 1 v_ArrVal_555) (< 1 v_ArrVal_543) (< 1 v_ArrVal_553) (<= c_~N~0 (+ |v_ULTIMATE.start_main_~i~0#1_139| 1)) (< (+ (select .cse2 |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|)) v_ArrVal_545) (< (+ 2 |v_ULTIMATE.start_main_~i~0#1_139|) c_~N~0) (< (+ v_ArrVal_547 (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_547)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse5 4))) v_ArrVal_548) (<= c_~N~0 (+ |v_ULTIMATE.start_main_~i~0#1_130| 1)) (<= (+ v_ArrVal_559 (select (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_559)) |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse7 4))) (* 3 c_~N~0)) (< (+ v_ArrVal_557 (select (select (store .cse6 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_557)) |c_ULTIMATE.start_main_~c~0#1.base|) (+ |c_ULTIMATE.start_main_~c~0#1.offset| .cse7))) v_ArrVal_559) (< (+ v_ArrVal_545 (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_545)) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse5))) v_ArrVal_547) (< 1 v_ArrVal_550)))))))))) is different from false