./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0 --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 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:28:25,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:28:25,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:28:25,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:28:25,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:28:25,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:28:25,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:28:25,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:28:25,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:28:25,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:28:25,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:28:25,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:28:25,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:28:25,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:28:25,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:28:25,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:28:25,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:28:25,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:28:25,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:28:25,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:28:25,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:28:25,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:28:25,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:28:25,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:28:25,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:28:25,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:28:25,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:28:25,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:28:25,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:28:25,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:28:25,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:28:25,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:28:25,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:28:25,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:28:25,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:28:25,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:28:25,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:28:25,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:28:25,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:28:25,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:28:25,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:28:25,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 14:28:25,263 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:28:25,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:28:25,264 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:28:25,264 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:28:25,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:28:25,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:28:25,272 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:28:25,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:28:25,273 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 14:28:25,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:28:25,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 14:28:25,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:28:25,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:28:25,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:28:25,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:28:25,276 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 14:28:25,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:28:25,276 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:28:25,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:28:25,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:28:25,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:28:25,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:28:25,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:28:25,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:28:25,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:28:25,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:28:25,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:28:25,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 14:28:25,279 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:28:25,281 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:28:25,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:28:25,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:28:25,282 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_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 [2021-11-22 14:28:25,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:28:25,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:28:25,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:28:25,578 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:28:25,579 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:28:25,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2021-11-22 14:28:25,645 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/data/d83d57a7c/e795252a79e346d79d615493d9cdf11f/FLAGc97b1fcb7 [2021-11-22 14:28:26,268 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:28:26,269 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2021-11-22 14:28:26,296 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/data/d83d57a7c/e795252a79e346d79d615493d9cdf11f/FLAGc97b1fcb7 [2021-11-22 14:28:26,465 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/data/d83d57a7c/e795252a79e346d79d615493d9cdf11f [2021-11-22 14:28:26,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:28:26,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:28:26,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:28:26,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:28:26,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:28:26,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:28:26" (1/1) ... [2021-11-22 14:28:26,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dcc961b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:26, skipping insertion in model container [2021-11-22 14:28:26,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:28:26" (1/1) ... [2021-11-22 14:28:26,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:28:26,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:28:27,003 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_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i[33021,33034] [2021-11-22 14:28:27,103 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_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i[44590,44603] [2021-11-22 14:28:27,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:28:27,128 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:28:27,157 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_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i[33021,33034] [2021-11-22 14:28:27,210 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_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i[44590,44603] [2021-11-22 14:28:27,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:28:27,265 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:28:27,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:27 WrapperNode [2021-11-22 14:28:27,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:28:27,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:28:27,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:28:27,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:28:27,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:27" (1/1) ... [2021-11-22 14:28:27,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:27" (1/1) ... [2021-11-22 14:28:27,376 INFO L137 Inliner]: procedures = 177, calls = 336, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 1211 [2021-11-22 14:28:27,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:28:27,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:28:27,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:28:27,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:28:27,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:27" (1/1) ... [2021-11-22 14:28:27,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:27" (1/1) ... [2021-11-22 14:28:27,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:27" (1/1) ... [2021-11-22 14:28:27,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:27" (1/1) ... [2021-11-22 14:28:27,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:27" (1/1) ... [2021-11-22 14:28:27,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:27" (1/1) ... [2021-11-22 14:28:27,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:27" (1/1) ... [2021-11-22 14:28:27,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:28:27,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:28:27,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:28:27,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:28:27,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:27" (1/1) ... [2021-11-22 14:28:27,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:28:27,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:28:27,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 14:28:27,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 14:28:27,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 14:28:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 14:28:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 14:28:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:28:27,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 14:28:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:28:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-22 14:28:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 14:28:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:28:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:28:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:28:27,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:28:27,950 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:28:27,952 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:28:29,016 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:28:29,035 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:28:29,035 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-22 14:28:29,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:28:29 BoogieIcfgContainer [2021-11-22 14:28:29,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:28:29,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 14:28:29,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 14:28:29,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 14:28:29,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:28:26" (1/3) ... [2021-11-22 14:28:29,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c03076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:28:29, skipping insertion in model container [2021-11-22 14:28:29,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:28:27" (2/3) ... [2021-11-22 14:28:29,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c03076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:28:29, skipping insertion in model container [2021-11-22 14:28:29,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:28:29" (3/3) ... [2021-11-22 14:28:29,047 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test3-2.i [2021-11-22 14:28:29,058 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 14:28:29,059 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-22 14:28:29,141 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 14:28:29,147 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 [2021-11-22 14:28:29,147 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-22 14:28:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 236 states, 229 states have (on average 1.703056768558952) internal successors, (390), 235 states have internal predecessors, (390), 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) [2021-11-22 14:28:29,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 14:28:29,180 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:29,181 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:29,181 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:28:29,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:29,187 INFO L85 PathProgramCache]: Analyzing trace with hash 239232295, now seen corresponding path program 1 times [2021-11-22 14:28:29,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:29,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003795274] [2021-11-22 14:28:29,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:29,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:29,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:29,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:29,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003795274] [2021-11-22 14:28:29,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003795274] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:29,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:29,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:28:29,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499018357] [2021-11-22 14:28:29,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:29,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 14:28:29,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:29,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 14:28:29,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 14:28:29,402 INFO L87 Difference]: Start difference. First operand has 236 states, 229 states have (on average 1.703056768558952) internal successors, (390), 235 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:29,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:29,474 INFO L93 Difference]: Finished difference Result 470 states and 778 transitions. [2021-11-22 14:28:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 14:28:29,476 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-22 14:28:29,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:29,494 INFO L225 Difference]: With dead ends: 470 [2021-11-22 14:28:29,494 INFO L226 Difference]: Without dead ends: 203 [2021-11-22 14:28:29,502 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 [2021-11-22 14:28:29,507 INFO L933 BasicCegarLoop]: 308 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, 308 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 [2021-11-22 14:28:29,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 14:28:29,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-11-22 14:28:29,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2021-11-22 14:28:29,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 197 states have (on average 1.3401015228426396) internal successors, (264), 202 states have internal predecessors, (264), 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) [2021-11-22 14:28:29,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 264 transitions. [2021-11-22 14:28:29,564 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 264 transitions. Word has length 9 [2021-11-22 14:28:29,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:29,564 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 264 transitions. [2021-11-22 14:28:29,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:29,565 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 264 transitions. [2021-11-22 14:28:29,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 14:28:29,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:29,566 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:29,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 14:28:29,566 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:28:29,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:29,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1042319138, now seen corresponding path program 1 times [2021-11-22 14:28:29,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:29,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172298512] [2021-11-22 14:28:29,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:29,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:29,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:29,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:29,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172298512] [2021-11-22 14:28:29,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172298512] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:29,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:29,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 14:28:29,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444035554] [2021-11-22 14:28:29,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:29,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:28:29,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:29,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:28:29,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:28:29,668 INFO L87 Difference]: Start difference. First operand 203 states and 264 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-11-22 14:28:30,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:30,294 INFO L93 Difference]: Finished difference Result 460 states and 597 transitions. [2021-11-22 14:28:30,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 14:28:30,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2021-11-22 14:28:30,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:30,298 INFO L225 Difference]: With dead ends: 460 [2021-11-22 14:28:30,298 INFO L226 Difference]: Without dead ends: 347 [2021-11-22 14:28:30,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:28:30,300 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 178 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:30,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 657 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-22 14:28:30,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2021-11-22 14:28:30,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 205. [2021-11-22 14:28:30,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 199 states have (on average 1.3366834170854272) internal successors, (266), 204 states have internal predecessors, (266), 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) [2021-11-22 14:28:30,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 266 transitions. [2021-11-22 14:28:30,320 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 266 transitions. Word has length 12 [2021-11-22 14:28:30,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:30,321 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 266 transitions. [2021-11-22 14:28:30,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-11-22 14:28:30,321 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 266 transitions. [2021-11-22 14:28:30,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 14:28:30,324 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:30,324 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 1, 1] [2021-11-22 14:28:30,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 14:28:30,324 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:28:30,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:30,325 INFO L85 PathProgramCache]: Analyzing trace with hash 168111628, now seen corresponding path program 1 times [2021-11-22 14:28:30,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:30,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536467214] [2021-11-22 14:28:30,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:30,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:30,378 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 14:28:30,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1120878996] [2021-11-22 14:28:30,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:30,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:28:30,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:28:30,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:28:30,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 14:28:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:30,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 14:28:30,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:28:30,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:30,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 14:28:30,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:30,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536467214] [2021-11-22 14:28:30,810 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 14:28:30,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120878996] [2021-11-22 14:28:30,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120878996] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:30,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:30,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:28:30,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001900499] [2021-11-22 14:28:30,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:30,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:28:30,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:30,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:28:30,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:30,818 INFO L87 Difference]: Start difference. First operand 205 states and 266 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:30,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:30,893 INFO L93 Difference]: Finished difference Result 427 states and 559 transitions. [2021-11-22 14:28:30,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:28:30,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-22 14:28:30,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:30,896 INFO L225 Difference]: With dead ends: 427 [2021-11-22 14:28:30,896 INFO L226 Difference]: Without dead ends: 226 [2021-11-22 14:28:30,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:30,901 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 9 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:30,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 473 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:28:30,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-11-22 14:28:30,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 225. [2021-11-22 14:28:30,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 219 states have (on average 1.3059360730593608) internal successors, (286), 224 states have internal predecessors, (286), 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) [2021-11-22 14:28:30,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 286 transitions. [2021-11-22 14:28:30,929 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 286 transitions. Word has length 64 [2021-11-22 14:28:30,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:30,930 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 286 transitions. [2021-11-22 14:28:30,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:30,930 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 286 transitions. [2021-11-22 14:28:30,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 14:28:30,940 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:30,940 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 1, 1] [2021-11-22 14:28:30,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-22 14:28:31,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-22 14:28:31,159 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:28:31,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:31,160 INFO L85 PathProgramCache]: Analyzing trace with hash 521200010, now seen corresponding path program 1 times [2021-11-22 14:28:31,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:31,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928834355] [2021-11-22 14:28:31,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:31,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:31,180 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 14:28:31,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [783979699] [2021-11-22 14:28:31,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:31,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:28:31,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:28:31,182 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:28:31,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 14:28:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:31,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 14:28:31,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:28:31,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:31,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 14:28:31,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:31,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928834355] [2021-11-22 14:28:31,507 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 14:28:31,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783979699] [2021-11-22 14:28:31,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783979699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:31,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:31,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 14:28:31,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536233457] [2021-11-22 14:28:31,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:31,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:28:31,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:31,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:28:31,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:28:31,517 INFO L87 Difference]: Start difference. First operand 225 states and 286 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:31,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:31,615 INFO L93 Difference]: Finished difference Result 438 states and 560 transitions. [2021-11-22 14:28:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 14:28:31,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-22 14:28:31,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:31,617 INFO L225 Difference]: With dead ends: 438 [2021-11-22 14:28:31,617 INFO L226 Difference]: Without dead ends: 217 [2021-11-22 14:28:31,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:28:31,620 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 252 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:31,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 484 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:28:31,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-22 14:28:31,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 211. [2021-11-22 14:28:31,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 205 states have (on average 1.2926829268292683) internal successors, (265), 210 states have internal predecessors, (265), 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) [2021-11-22 14:28:31,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 265 transitions. [2021-11-22 14:28:31,631 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 265 transitions. Word has length 64 [2021-11-22 14:28:31,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:31,632 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 265 transitions. [2021-11-22 14:28:31,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:31,632 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 265 transitions. [2021-11-22 14:28:31,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 14:28:31,635 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:31,636 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 1, 1] [2021-11-22 14:28:31,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 14:28:31,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:28:31,853 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:28:31,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:31,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1012352744, now seen corresponding path program 1 times [2021-11-22 14:28:31,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:31,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419930577] [2021-11-22 14:28:31,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:31,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:31,872 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 14:28:31,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1449673958] [2021-11-22 14:28:31,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:31,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:28:31,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:28:31,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:28:31,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 14:28:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:32,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 14:28:32,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:28:32,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:32,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 14:28:32,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:32,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419930577] [2021-11-22 14:28:32,340 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 14:28:32,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449673958] [2021-11-22 14:28:32,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449673958] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:32,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:32,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:28:32,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081162074] [2021-11-22 14:28:32,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:32,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:28:32,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:32,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:28:32,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:32,343 INFO L87 Difference]: Start difference. First operand 211 states and 265 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:32,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:32,428 INFO L93 Difference]: Finished difference Result 557 states and 698 transitions. [2021-11-22 14:28:32,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:28:32,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-22 14:28:32,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:32,432 INFO L225 Difference]: With dead ends: 557 [2021-11-22 14:28:32,432 INFO L226 Difference]: Without dead ends: 350 [2021-11-22 14:28:32,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:32,433 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 137 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:32,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 559 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:28:32,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-11-22 14:28:32,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 317. [2021-11-22 14:28:32,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 311 states have (on average 1.279742765273312) internal successors, (398), 316 states have internal predecessors, (398), 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) [2021-11-22 14:28:32,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 398 transitions. [2021-11-22 14:28:32,445 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 398 transitions. Word has length 64 [2021-11-22 14:28:32,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:32,447 INFO L470 AbstractCegarLoop]: Abstraction has 317 states and 398 transitions. [2021-11-22 14:28:32,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:28:32,448 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 398 transitions. [2021-11-22 14:28:32,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 14:28:32,450 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:32,450 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:32,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 14:28:32,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:28:32,672 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:28:32,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:32,672 INFO L85 PathProgramCache]: Analyzing trace with hash -147792665, now seen corresponding path program 1 times [2021-11-22 14:28:32,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:32,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821472097] [2021-11-22 14:28:32,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:32,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:32,697 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 14:28:32,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1326655784] [2021-11-22 14:28:32,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:32,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:28:32,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:28:32,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:28:32,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 14:28:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:32,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 14:28:32,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:28:33,050 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 [2021-11-22 14:28:33,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-22 14:28:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 14:28:33,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 14:28:33,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:33,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821472097] [2021-11-22 14:28:33,085 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 14:28:33,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326655784] [2021-11-22 14:28:33,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326655784] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:33,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:33,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 14:28:33,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871554669] [2021-11-22 14:28:33,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:33,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:28:33,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:33,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:28:33,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:28:33,089 INFO L87 Difference]: Start difference. First operand 317 states and 398 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2021-11-22 14:28:33,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:33,421 INFO L93 Difference]: Finished difference Result 431 states and 547 transitions. [2021-11-22 14:28:33,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 14:28:33,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 71 [2021-11-22 14:28:33,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:33,425 INFO L225 Difference]: With dead ends: 431 [2021-11-22 14:28:33,425 INFO L226 Difference]: Without dead ends: 401 [2021-11-22 14:28:33,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:28:33,426 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 135 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:33,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 659 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 14:28:33,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-11-22 14:28:33,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 319. [2021-11-22 14:28:33,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 313 states have (on average 1.2779552715654952) internal successors, (400), 318 states have internal predecessors, (400), 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) [2021-11-22 14:28:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 400 transitions. [2021-11-22 14:28:33,442 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 400 transitions. Word has length 71 [2021-11-22 14:28:33,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:33,445 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 400 transitions. [2021-11-22 14:28:33,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2021-11-22 14:28:33,445 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 400 transitions. [2021-11-22 14:28:33,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 14:28:33,447 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:33,447 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:33,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 14:28:33,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-22 14:28:33,676 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:28:33,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:33,676 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-22 14:28:33,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:33,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297531319] [2021-11-22 14:28:33,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:33,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:33,692 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 14:28:33,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1406318890] [2021-11-22 14:28:33,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:33,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:28:33,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:28:33,699 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:28:33,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 14:28:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:33,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 14:28:33,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:28:34,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 14:28:34,040 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 14:28:34,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:34,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297531319] [2021-11-22 14:28:34,041 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 14:28:34,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406318890] [2021-11-22 14:28:34,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406318890] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:34,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:34,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:28:34,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964609615] [2021-11-22 14:28:34,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:34,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:28:34,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:34,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:28:34,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:34,046 INFO L87 Difference]: Start difference. First operand 319 states and 400 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2021-11-22 14:28:34,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:34,112 INFO L93 Difference]: Finished difference Result 535 states and 691 transitions. [2021-11-22 14:28:34,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:28:34,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 103 [2021-11-22 14:28:34,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:34,116 INFO L225 Difference]: With dead ends: 535 [2021-11-22 14:28:34,116 INFO L226 Difference]: Without dead ends: 361 [2021-11-22 14:28:34,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:28:34,118 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 9 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:34,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 459 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:28:34,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2021-11-22 14:28:34,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 359. [2021-11-22 14:28:34,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 353 states have (on average 1.246458923512748) internal successors, (440), 358 states have internal predecessors, (440), 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) [2021-11-22 14:28:34,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 440 transitions. [2021-11-22 14:28:34,134 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 440 transitions. Word has length 103 [2021-11-22 14:28:34,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:34,135 INFO L470 AbstractCegarLoop]: Abstraction has 359 states and 440 transitions. [2021-11-22 14:28:34,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2021-11-22 14:28:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 440 transitions. [2021-11-22 14:28:34,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 14:28:34,142 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:34,142 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:34,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-22 14:28:34,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-22 14:28:34,356 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:28:34,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:34,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-22 14:28:34,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:34,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126393054] [2021-11-22 14:28:34,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:34,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:34,370 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 14:28:34,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [690728507] [2021-11-22 14:28:34,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:34,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:28:34,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:28:34,372 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:28:34,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-22 14:28:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:34,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 14:28:34,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:28:34,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 14:28:34,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 14:28:34,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:34,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126393054] [2021-11-22 14:28:34,758 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 14:28:34,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690728507] [2021-11-22 14:28:34,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690728507] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:34,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:34,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 14:28:34,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663234008] [2021-11-22 14:28:34,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:34,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:28:34,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:34,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:28:34,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:28:34,760 INFO L87 Difference]: Start difference. First operand 359 states and 440 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2021-11-22 14:28:34,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:34,837 INFO L93 Difference]: Finished difference Result 550 states and 686 transitions. [2021-11-22 14:28:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 14:28:34,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 103 [2021-11-22 14:28:34,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:34,840 INFO L225 Difference]: With dead ends: 550 [2021-11-22 14:28:34,840 INFO L226 Difference]: Without dead ends: 336 [2021-11-22 14:28:34,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:28:34,841 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 135 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:34,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 574 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 14:28:34,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2021-11-22 14:28:34,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 331. [2021-11-22 14:28:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 325 states have (on average 1.2246153846153847) internal successors, (398), 330 states have internal predecessors, (398), 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) [2021-11-22 14:28:34,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 398 transitions. [2021-11-22 14:28:34,853 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 398 transitions. Word has length 103 [2021-11-22 14:28:34,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:34,854 INFO L470 AbstractCegarLoop]: Abstraction has 331 states and 398 transitions. [2021-11-22 14:28:34,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2021-11-22 14:28:34,854 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 398 transitions. [2021-11-22 14:28:34,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 14:28:34,855 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:34,855 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:34,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-22 14:28:35,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:28:35,072 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:28:35,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:35,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-22 14:28:35,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:35,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129731920] [2021-11-22 14:28:35,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:35,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:35,097 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 14:28:35,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [72053423] [2021-11-22 14:28:35,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:35,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:28:35,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:28:35,099 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:28:35,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-22 14:28:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:35,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 14:28:35,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:28:35,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:28:35,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 14:28:35,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:28:35,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129731920] [2021-11-22 14:28:35,610 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 14:28:35,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72053423] [2021-11-22 14:28:35,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72053423] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:28:35,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:28:35,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 14:28:35,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492782364] [2021-11-22 14:28:35,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:28:35,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:28:35,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:28:35,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:28:35,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:28:35,612 INFO L87 Difference]: Start difference. First operand 331 states and 398 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2021-11-22 14:28:36,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:28:36,046 INFO L93 Difference]: Finished difference Result 760 states and 920 transitions. [2021-11-22 14:28:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 14:28:36,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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 103 [2021-11-22 14:28:36,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:28:36,051 INFO L225 Difference]: With dead ends: 760 [2021-11-22 14:28:36,051 INFO L226 Difference]: Without dead ends: 477 [2021-11-22 14:28:36,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:28:36,052 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 512 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 14:28:36,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [512 Valid, 523 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 14:28:36,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2021-11-22 14:28:36,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 415. [2021-11-22 14:28:36,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 409 states have (on average 1.2273838630806846) internal successors, (502), 414 states have internal predecessors, (502), 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) [2021-11-22 14:28:36,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 502 transitions. [2021-11-22 14:28:36,070 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 502 transitions. Word has length 103 [2021-11-22 14:28:36,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:28:36,072 INFO L470 AbstractCegarLoop]: Abstraction has 415 states and 502 transitions. [2021-11-22 14:28:36,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2021-11-22 14:28:36,073 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 502 transitions. [2021-11-22 14:28:36,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-22 14:28:36,074 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:28:36,074 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:28:36,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-22 14:28:36,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:28:36,292 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-22 14:28:36,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:28:36,292 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-22 14:28:36,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:28:36,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122489168] [2021-11-22 14:28:36,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:36,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:28:36,306 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 14:28:36,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1366398943] [2021-11-22 14:28:36,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:28:36,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:28:36,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:28:36,308 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:28:36,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa4d3eb-88a3-4df7-aeb5-ae82e7506f13/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-22 14:28:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:28:36,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-22 14:28:36,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:28:36,542 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 [2021-11-22 14:28:36,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 14:28:36,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:36,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2021-11-22 14:28:36,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:36,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:36,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:36,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-22 14:28:37,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-22 14:28:37,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,849 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 37 treesize of output 42 [2021-11-22 14:28:37,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:37,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-22 14:28:37,982 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 13 treesize of output 9 [2021-11-22 14:28:38,004 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 29 treesize of output 25 [2021-11-22 14:28:38,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:38,021 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-22 14:28:38,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-22 14:28:38,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:38,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:38,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:38,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:38,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:38,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:38,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:38,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-22 14:28:40,336 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-22 14:28:40,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2831 treesize of output 2280 [2021-11-22 14:28:40,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:42,471 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-22 14:28:42,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3246 treesize of output 2904 [2021-11-22 14:28:42,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:42,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:42,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:42,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:42,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:42,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:42,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:51,744 WARN L227 SmtUtils]: Spent 9.13s on a formula simplification. DAG size of input: 535 DAG size of output: 129 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 14:28:51,746 INFO L354 Elim1Store]: treesize reduction 11587, result has 3.5 percent of original size [2021-11-22 14:28:51,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4244 treesize of output 2269 [2021-11-22 14:28:52,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:52,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-22 14:28:53,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:53,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-22 14:28:55,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:55,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:55,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:55,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:55,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:55,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:55,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:28:55,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:55,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:28:55,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:55,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:28:55,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:55,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:55,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:55,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:55,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:55,514 INFO L244 Elim1Store]: Index analysis took 449 ms [2021-11-22 14:28:55,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 881 treesize of output 399 [2021-11-22 14:28:56,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:28:56,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 28 [2021-11-22 14:28:57,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:28:57,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:28:57,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:42,465 WARN L227 SmtUtils]: Spent 1.74m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 14:30:42,468 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-22 14:30:42,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 1783464 treesize of output 737885 [2021-11-22 14:30:48,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:48,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:48,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:48,292 INFO L244 Elim1Store]: Index analysis took 237 ms [2021-11-22 14:30:48,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:48,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:48,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:48,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:48,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:48,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:48,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:48,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:48,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:48,610 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:30:48,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1064 treesize of output 480 [2021-11-22 14:30:49,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:49,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:49,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:49,535 INFO L244 Elim1Store]: Index analysis took 369 ms [2021-11-22 14:30:49,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:49,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:49,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:49,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:49,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:49,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:49,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:49,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:49,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:49,933 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:30:49,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 828 treesize of output 382 [2021-11-22 14:30:50,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:50,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:50,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:50,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:50,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:50,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:50,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:30:50,303 INFO L354 Elim1Store]: treesize reduction 167, result has 0.6 percent of original size [2021-11-22 14:30:50,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1430809 treesize of output 1161522 [2021-11-22 14:31:05,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:05,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:05,757 INFO L244 Elim1Store]: Index analysis took 219 ms [2021-11-22 14:31:05,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:05,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:05,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:05,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:05,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:05,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:05,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:05,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:06,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:06,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:06,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:06,053 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:31:06,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 13925 treesize of output 9540 [2021-11-22 14:31:31,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:31,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:31,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:31,515 INFO L244 Elim1Store]: Index analysis took 392 ms [2021-11-22 14:31:31,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:31,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:31,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:31,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:31,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:31,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:31,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:31,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:31,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:31,822 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:31:31,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1986 treesize of output 946 [2021-11-22 14:31:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:34,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:34,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:34,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:34,717 INFO L244 Elim1Store]: Index analysis took 470 ms [2021-11-22 14:31:34,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:34,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:34,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:34,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:34,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:35,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:35,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:35,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:35,211 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:31:35,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 981 treesize of output 418 [2021-11-22 14:31:35,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:35,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:35,834 INFO L244 Elim1Store]: Index analysis took 512 ms [2021-11-22 14:31:35,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:35,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:35,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:36,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:36,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:36,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:36,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:36,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:36,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:36,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:36,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:36,559 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:31:36,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 1559 treesize of output 687 [2021-11-22 14:31:36,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:36,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:36,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:37,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:37,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:37,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:37,391 INFO L244 Elim1Store]: Index analysis took 708 ms [2021-11-22 14:31:37,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:37,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:37,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:37,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:37,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:37,787 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:31:37,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 600 treesize of output 274 [2021-11-22 14:31:38,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:38,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:38,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:38,510 INFO L244 Elim1Store]: Index analysis took 603 ms [2021-11-22 14:31:38,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:38,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:38,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:38,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:38,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:38,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:39,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:39,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:39,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:39,264 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:31:39,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1535 treesize of output 675 [2021-11-22 14:31:39,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:39,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:39,925 INFO L244 Elim1Store]: Index analysis took 510 ms [2021-11-22 14:31:39,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:40,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:40,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:40,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:40,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:40,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:40,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:40,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:40,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:40,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:40,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:40,796 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:31:40,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 1085 treesize of output 470 [2021-11-22 14:31:40,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,371 INFO L244 Elim1Store]: Index analysis took 482 ms [2021-11-22 14:31:41,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,663 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:31:41,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 716 treesize of output 332 [2021-11-22 14:31:41,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,896 INFO L244 Elim1Store]: Index analysis took 156 ms [2021-11-22 14:31:41,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:41,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:42,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:42,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:42,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:42,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:42,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:42,148 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:31:42,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 9231 treesize of output 6104 [2021-11-22 14:31:43,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:43,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:43,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:43,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:43,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:43,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:43,825 INFO L244 Elim1Store]: Index analysis took 276 ms [2021-11-22 14:31:43,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:43,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:43,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:44,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:44,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:44,062 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:31:44,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 636 treesize of output 292 [2021-11-22 14:31:44,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:31:44,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:44,281 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-22 14:31:44,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 13611 treesize of output 9111 [2021-11-22 14:31:44,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:31:44,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:44,511 INFO L354 Elim1Store]: treesize reduction 428, result has 0.2 percent of original size [2021-11-22 14:31:44,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 12668 treesize of output 10232 [2021-11-22 14:31:44,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:31:44,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:44,681 INFO L354 Elim1Store]: treesize reduction 426, result has 0.2 percent of original size [2021-11-22 14:31:44,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 11146 treesize of output 8956 [2021-11-22 14:31:44,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:31:44,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:44,833 INFO L354 Elim1Store]: treesize reduction 787, result has 0.1 percent of original size [2021-11-22 14:31:44,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 9768 treesize of output 7859 [2021-11-22 14:31:44,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:31:44,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:45,213 INFO L354 Elim1Store]: treesize reduction 424, result has 0.2 percent of original size [2021-11-22 14:31:45,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 8905 treesize of output 6209 [2021-11-22 14:31:45,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:31:45,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:45,402 INFO L354 Elim1Store]: treesize reduction 787, result has 0.1 percent of original size [2021-11-22 14:31:45,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 7015 treesize of output 5796 [2021-11-22 14:31:45,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:31:45,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:45,479 INFO L354 Elim1Store]: treesize reduction 773, result has 0.1 percent of original size [2021-11-22 14:31:45,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 5968 treesize of output 4571 [2021-11-22 14:31:45,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:31:45,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:45,647 INFO L354 Elim1Store]: treesize reduction 422, result has 0.2 percent of original size [2021-11-22 14:31:45,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 5001 treesize of output 4302 [2021-11-22 14:31:45,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:31:45,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:45,795 INFO L354 Elim1Store]: treesize reduction 791, result has 0.1 percent of original size [2021-11-22 14:31:45,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 3715 treesize of output 3276 [2021-11-22 14:31:45,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:31:45,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:45,871 INFO L354 Elim1Store]: treesize reduction 3418, result has 0.0 percent of original size [2021-11-22 14:31:45,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 2760 treesize of output 2038 [2021-11-22 14:31:46,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:46,625 INFO L354 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2021-11-22 14:31:46,625 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 218 treesize of output 139 [2021-11-22 14:31:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:46,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:46,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:46,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:46,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:46,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:46,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:46,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:46,672 INFO L354 Elim1Store]: treesize reduction 383, result has 0.3 percent of original size [2021-11-22 14:31:46,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 5 case distinctions, treesize of input 1343 treesize of output 1142 [2021-11-22 14:31:46,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:46,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:46,980 INFO L354 Elim1Store]: treesize reduction 292, result has 15.4 percent of original size [2021-11-22 14:31:46,980 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 6 new quantified variables, introduced 4 case distinctions, treesize of input 274 treesize of output 234 [2021-11-22 14:31:47,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,066 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-22 14:31:47,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 139 treesize of output 61 [2021-11-22 14:31:47,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:31:47,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,095 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-22 14:31:47,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 95 treesize of output 106 [2021-11-22 14:31:47,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:31:47,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,847 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-22 14:31:47,847 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 309 treesize of output 218 [2021-11-22 14:31:47,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:31:47,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:47,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:48,012 INFO L354 Elim1Store]: treesize reduction 646, result has 11.6 percent of original size [2021-11-22 14:31:48,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 18 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 260 treesize of output 256 [2021-11-22 14:31:48,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 14:31:48,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:48,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 14:31:48,044 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-22 14:31:48,044 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 9 case distinctions, treesize of input 209 treesize of output 199 [2021-11-22 14:31:48,719 INFO L354 Elim1Store]: treesize reduction 412, result has 39.4 percent of original size [2021-11-22 14:31:48,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 220 treesize of output 388 [2021-11-22 14:31:48,815 INFO L354 Elim1Store]: treesize reduction 326, result has 9.9 percent of original size [2021-11-22 14:31:48,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 364 treesize of output 384 [2021-11-22 14:31:48,840 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-22 14:31:48,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 360 treesize of output 278 [2021-11-22 14:31:48,861 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 14:31:48,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 266 treesize of output 254 [2021-11-22 14:31:59,737 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-22 14:31:59,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 287 treesize of output 325 [2021-11-22 14:32:41,990 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-22 14:32:41,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 353 treesize of output 238 [2021-11-22 14:32:45,948 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-22 14:32:45,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 343 treesize of output 187 [2021-11-22 14:32:46,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:32:46,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:32:48,311 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~_ha_head~0#1.base_5| Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int)) (or (< (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_int| |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (let ((.cse2 (select |c_#memory_int| |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|)) (.cse3 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))))) (store .cse1 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse1 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_9) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_8))))) (store .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (store (select .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 9) (< (let ((.cse4 (+ 8 |c_ULTIMATE.start_main_~users~0#1.offset|))) (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse4)) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse4))) |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|))) is different from false [2021-11-22 14:32:50,452 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_11 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.base_5| Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int) (v_DerPreprocessor_10 Int)) (let ((.cse1 (+ 8 |c_ULTIMATE.start_main_~users~0#1.offset|))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_11)))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~users~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_10)) |c_ULTIMATE.start_main_~users~0#1.base|) .cse1)) |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (let ((.cse7 (select .cse6 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|)) (.cse8 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_9) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_8))))) (store .cse4 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (store (select .cse4 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 9))))) is different from false [2021-11-22 14:32:52,556 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_11 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.base_5| Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int) (v_DerPreprocessor_10 Int)) (let ((.cse1 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_11)))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_10)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)) |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (let ((.cse7 (select .cse6 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|)) (.cse8 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_9) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_8))))) (store .cse4 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (store (select .cse4 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 9))))) is different from false