./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e0883f4fdefc9bee6f97a4f9cfd1a3af8920c2853d796abd89e2a581ffdb6b5 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:17:53,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:17:53,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:17:53,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:17:53,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:17:53,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:17:53,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:17:53,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:17:53,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:17:53,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:17:53,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:17:53,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:17:53,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:17:53,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:17:53,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:17:53,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:17:53,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:17:53,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:17:53,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:17:53,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:17:53,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:17:53,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:17:53,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:17:53,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:17:53,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:17:53,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:17:53,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:17:53,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:17:53,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:17:53,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:17:53,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:17:53,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:17:53,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:17:53,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:17:53,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:17:53,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:17:53,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:17:53,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:17:53,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:17:53,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:17:53,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:17:53,422 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 20:17:53,438 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:17:53,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:17:53,439 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:17:53,439 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:17:53,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:17:53,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:17:53,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:17:53,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:17:53,440 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:17:53,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:17:53,440 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 20:17:53,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:17:53,441 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 20:17:53,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:17:53,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:17:53,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:17:53,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:17:53,441 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 20:17:53,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:17:53,442 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:17:53,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:17:53,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:17:53,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:17:53,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:17:53,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:17:53,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:17:53,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:17:53,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:17:53,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:17:53,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:17:53,443 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:17:53,443 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:17:53,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:17:53,444 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:17:53,444 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_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e0883f4fdefc9bee6f97a4f9cfd1a3af8920c2853d796abd89e2a581ffdb6b5 [2021-12-06 20:17:53,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:17:53,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:17:53,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:17:53,644 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:17:53,645 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:17:53,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/array-fpi/eqn5.c [2021-12-06 20:17:53,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/data/5b3365a92/b2a9d3ab77a84cb0955bae883b6b9911/FLAGb0de3f907 [2021-12-06 20:17:54,042 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:17:54,043 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/sv-benchmarks/c/array-fpi/eqn5.c [2021-12-06 20:17:54,048 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/data/5b3365a92/b2a9d3ab77a84cb0955bae883b6b9911/FLAGb0de3f907 [2021-12-06 20:17:54,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/data/5b3365a92/b2a9d3ab77a84cb0955bae883b6b9911 [2021-12-06 20:17:54,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:17:54,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:17:54,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:17:54,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:17:54,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:17:54,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:17:54" (1/1) ... [2021-12-06 20:17:54,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a68ce77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:54, skipping insertion in model container [2021-12-06 20:17:54,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:17:54" (1/1) ... [2021-12-06 20:17:54,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:17:54,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:17:54,192 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_cb795010-0a19-4540-87e4-854f810fe4fe/sv-benchmarks/c/array-fpi/eqn5.c[587,600] [2021-12-06 20:17:54,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:17:54,211 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:17:54,220 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_cb795010-0a19-4540-87e4-854f810fe4fe/sv-benchmarks/c/array-fpi/eqn5.c[587,600] [2021-12-06 20:17:54,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:17:54,236 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:17:54,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:54 WrapperNode [2021-12-06 20:17:54,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:17:54,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:17:54,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:17:54,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:17:54,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:54" (1/1) ... [2021-12-06 20:17:54,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:54" (1/1) ... [2021-12-06 20:17:54,269 INFO L137 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2021-12-06 20:17:54,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:17:54,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:17:54,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:17:54,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:17:54,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:54" (1/1) ... [2021-12-06 20:17:54,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:54" (1/1) ... [2021-12-06 20:17:54,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:54" (1/1) ... [2021-12-06 20:17:54,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:54" (1/1) ... [2021-12-06 20:17:54,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:54" (1/1) ... [2021-12-06 20:17:54,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:54" (1/1) ... [2021-12-06 20:17:54,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:54" (1/1) ... [2021-12-06 20:17:54,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:17:54,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:17:54,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:17:54,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:17:54,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:54" (1/1) ... [2021-12-06 20:17:54,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:17:54,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:17:54,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:17:54,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:17:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:17:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:17:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 20:17:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 20:17:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:17:54,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:17:54,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 20:17:54,415 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:17:54,416 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:17:54,536 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:17:54,541 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:17:54,541 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-06 20:17:54,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:17:54 BoogieIcfgContainer [2021-12-06 20:17:54,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:17:54,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:17:54,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:17:54,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:17:54,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:17:54" (1/3) ... [2021-12-06 20:17:54,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7153031e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:17:54, skipping insertion in model container [2021-12-06 20:17:54,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:54" (2/3) ... [2021-12-06 20:17:54,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7153031e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:17:54, skipping insertion in model container [2021-12-06 20:17:54,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:17:54" (3/3) ... [2021-12-06 20:17:54,549 INFO L111 eAbstractionObserver]: Analyzing ICFG eqn5.c [2021-12-06 20:17:54,553 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:17:54,553 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:17:54,589 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:17:54,594 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:17:54,595 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:17:54,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 20:17:54,610 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:54,610 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:54,610 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:17:54,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:54,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1828546148, now seen corresponding path program 1 times [2021-12-06 20:17:54,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:54,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118568073] [2021-12-06 20:17:54,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:54,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:17:54,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:54,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118568073] [2021-12-06 20:17:54,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118568073] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:17:54,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:17:54,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:17:54,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994818410] [2021-12-06 20:17:54,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:17:54,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 20:17:54,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:54,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 20:17:54,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 20:17:54,763 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 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 6.0) internal successors, (12), 2 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) [2021-12-06 20:17:54,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:54,774 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2021-12-06 20:17:54,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 20:17:54,776 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 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 [2021-12-06 20:17:54,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:54,784 INFO L225 Difference]: With dead ends: 38 [2021-12-06 20:17:54,784 INFO L226 Difference]: Without dead ends: 17 [2021-12-06 20:17:54,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 20:17:54,791 INFO L933 BasicCegarLoop]: 24 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, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:54,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:17:54,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-12-06 20:17:54,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-12-06 20:17:54,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:54,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-12-06 20:17:54,823 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2021-12-06 20:17:54,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:54,823 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-12-06 20:17:54,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 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) [2021-12-06 20:17:54,824 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-12-06 20:17:54,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 20:17:54,824 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:54,825 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:54,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:17:54,825 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:17:54,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:54,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1148487778, now seen corresponding path program 1 times [2021-12-06 20:17:54,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:54,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051480156] [2021-12-06 20:17:54,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:54,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:54,859 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 20:17:54,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [449369200] [2021-12-06 20:17:54,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:54,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:54,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:17:54,861 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:17:54,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 20:17:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:54,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 20:17:54,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:17:55,004 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-12-06 20:17:55,005 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2021-12-06 20:17:55,013 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 8 treesize of output 7 [2021-12-06 20:17:55,023 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 8 treesize of output 7 [2021-12-06 20:17:55,175 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 11 [2021-12-06 20:17:55,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-06 20:17:55,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-06 20:17:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:17:55,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:17:55,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:55,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051480156] [2021-12-06 20:17:55,276 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 20:17:55,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449369200] [2021-12-06 20:17:55,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449369200] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:17:55,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:17:55,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:17:55,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183463168] [2021-12-06 20:17:55,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:17:55,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:17:55,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:55,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:17:55,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:17:55,278 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2021-12-06 20:17:55,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:55,330 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2021-12-06 20:17:55,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:17:55,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 [2021-12-06 20:17:55,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:55,331 INFO L225 Difference]: With dead ends: 34 [2021-12-06 20:17:55,331 INFO L226 Difference]: Without dead ends: 32 [2021-12-06 20:17:55,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:17:55,333 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 12 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:55,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 56 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:17:55,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-12-06 20:17:55,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2021-12-06 20:17:55,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:55,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-12-06 20:17:55,340 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2021-12-06 20:17:55,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:55,340 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-12-06 20:17:55,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2021-12-06 20:17:55,341 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-12-06 20:17:55,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-06 20:17:55,342 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:55,342 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:55,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 20:17:55,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:55,544 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:17:55,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:55,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1755224028, now seen corresponding path program 1 times [2021-12-06 20:17:55,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:55,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764274337] [2021-12-06 20:17:55,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:55,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:55,634 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 20:17:55,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1886290397] [2021-12-06 20:17:55,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:55,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:55,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:17:55,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:17:55,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 20:17:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:55,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:17:55,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:17:55,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:17:55,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:17:55,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:55,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764274337] [2021-12-06 20:17:55,864 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 20:17:55,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886290397] [2021-12-06 20:17:55,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886290397] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:17:55,864 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:17:55,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:17:55,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772788520] [2021-12-06 20:17:55,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:17:55,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:17:55,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:55,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:17:55,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:17:55,866 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:55,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:55,910 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2021-12-06 20:17:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:17:55,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2021-12-06 20:17:55,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:55,911 INFO L225 Difference]: With dead ends: 49 [2021-12-06 20:17:55,911 INFO L226 Difference]: Without dead ends: 40 [2021-12-06 20:17:55,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:17:55,913 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 26 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:55,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 29 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:17:55,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-12-06 20:17:55,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 23. [2021-12-06 20:17:55,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:55,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2021-12-06 20:17:55,917 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 14 [2021-12-06 20:17:55,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:55,917 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2021-12-06 20:17:55,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:55,917 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2021-12-06 20:17:55,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-06 20:17:55,918 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:55,918 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:55,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 20:17:56,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:56,120 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:17:56,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:56,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1842440164, now seen corresponding path program 1 times [2021-12-06 20:17:56,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:56,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100661487] [2021-12-06 20:17:56,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:56,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:56,204 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 20:17:56,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2060121847] [2021-12-06 20:17:56,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:56,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:56,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:17:56,208 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:17:56,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 20:17:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:56,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:17:56,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:17:56,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:17:56,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:17:56,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:17:56,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:56,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100661487] [2021-12-06 20:17:56,310 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 20:17:56,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060121847] [2021-12-06 20:17:56,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060121847] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:17:56,310 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:17:56,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-12-06 20:17:56,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073076187] [2021-12-06 20:17:56,310 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:17:56,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:17:56,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:56,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:17:56,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:17:56,312 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:56,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:56,371 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2021-12-06 20:17:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 20:17:56,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-12-06 20:17:56,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:56,372 INFO L225 Difference]: With dead ends: 44 [2021-12-06 20:17:56,372 INFO L226 Difference]: Without dead ends: 37 [2021-12-06 20:17:56,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:17:56,373 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 23 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:56,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 46 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:17:56,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-12-06 20:17:56,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 24. [2021-12-06 20:17:56,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:56,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-12-06 20:17:56,378 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 14 [2021-12-06 20:17:56,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:56,378 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-12-06 20:17:56,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:56,378 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-12-06 20:17:56,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-06 20:17:56,379 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:56,379 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:56,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 20:17:56,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:56,581 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:17:56,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:56,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1667884396, now seen corresponding path program 1 times [2021-12-06 20:17:56,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:56,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358476798] [2021-12-06 20:17:56,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:56,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:56,636 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 20:17:56,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1073799319] [2021-12-06 20:17:56,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:56,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:56,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:17:56,640 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:17:56,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 20:17:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:56,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 20:17:56,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:17:56,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:17:56,792 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:17:56,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:56,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358476798] [2021-12-06 20:17:56,792 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 20:17:56,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073799319] [2021-12-06 20:17:56,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073799319] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:17:56,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:17:56,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:17:56,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520536328] [2021-12-06 20:17:56,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:17:56,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:17:56,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:56,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:17:56,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:17:56,794 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:56,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:56,851 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2021-12-06 20:17:56,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 20:17:56,851 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-12-06 20:17:56,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:56,852 INFO L225 Difference]: With dead ends: 41 [2021-12-06 20:17:56,852 INFO L226 Difference]: Without dead ends: 27 [2021-12-06 20:17:56,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:17:56,853 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 18 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:56,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 32 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:17:56,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-12-06 20:17:56,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2021-12-06 20:17:56,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-12-06 20:17:56,856 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2021-12-06 20:17:56,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:56,856 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-12-06 20:17:56,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:56,857 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-12-06 20:17:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-06 20:17:56,857 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:56,857 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:56,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 20:17:57,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:57,059 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:17:57,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:57,061 INFO L85 PathProgramCache]: Analyzing trace with hash 586911962, now seen corresponding path program 1 times [2021-12-06 20:17:57,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:57,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844279926] [2021-12-06 20:17:57,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:57,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:57,146 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 20:17:57,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [688744946] [2021-12-06 20:17:57,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:57,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:57,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:17:57,152 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:17:57,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 20:17:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-06 20:17:57,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:17:57,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-06 20:17:57,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:17:57,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2021-12-06 20:17:57,387 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 8 treesize of output 7 [2021-12-06 20:17:57,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:17:57,427 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 20:17:57,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 20:17:57,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:17:57,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:17:57,627 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_147 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_147) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) is different from false [2021-12-06 20:17:57,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-12-06 20:17:57,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:57,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844279926] [2021-12-06 20:17:57,642 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 20:17:57,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688744946] [2021-12-06 20:17:57,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688744946] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:17:57,642 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:17:57,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-12-06 20:17:57,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375681983] [2021-12-06 20:17:57,642 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:17:57,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 20:17:57,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:57,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 20:17:57,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=52, Unknown=1, NotChecked=14, Total=90 [2021-12-06 20:17:57,644 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:57,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:57,741 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2021-12-06 20:17:57,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:17:57,741 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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 16 [2021-12-06 20:17:57,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:57,742 INFO L225 Difference]: With dead ends: 35 [2021-12-06 20:17:57,742 INFO L226 Difference]: Without dead ends: 33 [2021-12-06 20:17:57,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=110, Unknown=1, NotChecked=22, Total=182 [2021-12-06 20:17:57,743 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 31 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 36 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:57,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 65 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 36 Unchecked, 0.1s Time] [2021-12-06 20:17:57,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-12-06 20:17:57,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 24. [2021-12-06 20:17:57,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:57,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-12-06 20:17:57,748 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 16 [2021-12-06 20:17:57,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:57,749 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-12-06 20:17:57,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:57,749 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-12-06 20:17:57,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-06 20:17:57,750 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:57,750 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:57,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 20:17:57,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-06 20:17:57,951 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:17:57,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:57,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1267903976, now seen corresponding path program 2 times [2021-12-06 20:17:57,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:57,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493393824] [2021-12-06 20:17:57,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:57,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:57,978 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 20:17:57,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1124343773] [2021-12-06 20:17:57,978 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:17:57,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:57,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:17:57,979 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:17:57,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 20:17:58,020 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:17:58,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:17:58,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:17:58,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:17:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:17:58,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:17:58,096 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:17:58,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:58,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493393824] [2021-12-06 20:17:58,097 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 20:17:58,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124343773] [2021-12-06 20:17:58,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124343773] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:17:58,097 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:17:58,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-12-06 20:17:58,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144170080] [2021-12-06 20:17:58,098 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:17:58,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 20:17:58,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:58,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 20:17:58,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:17:58,099 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:58,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:58,193 INFO L93 Difference]: Finished difference Result 60 states and 66 transitions. [2021-12-06 20:17:58,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 20:17:58,194 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 18 [2021-12-06 20:17:58,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:58,195 INFO L225 Difference]: With dead ends: 60 [2021-12-06 20:17:58,195 INFO L226 Difference]: Without dead ends: 51 [2021-12-06 20:17:58,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-12-06 20:17:58,196 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 37 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:58,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 37 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:17:58,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-12-06 20:17:58,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 30. [2021-12-06 20:17:58,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:58,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2021-12-06 20:17:58,201 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 18 [2021-12-06 20:17:58,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:58,202 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2021-12-06 20:17:58,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:58,202 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2021-12-06 20:17:58,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-06 20:17:58,203 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:58,203 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:58,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 20:17:58,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:58,404 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:17:58,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:58,404 INFO L85 PathProgramCache]: Analyzing trace with hash 798963152, now seen corresponding path program 1 times [2021-12-06 20:17:58,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:58,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226250665] [2021-12-06 20:17:58,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:58,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:58,417 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 20:17:58,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051578519] [2021-12-06 20:17:58,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:58,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:58,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:17:58,418 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:17:58,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 20:17:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:58,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 32 conjunts are in the unsatisfiable core [2021-12-06 20:17:58,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:17:58,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-06 20:17:58,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:17:58,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2021-12-06 20:17:58,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2021-12-06 20:17:58,506 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 8 treesize of output 7 [2021-12-06 20:17:58,508 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 8 treesize of output 7 [2021-12-06 20:17:58,528 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 20:17:58,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2021-12-06 20:17:58,577 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-12-06 20:17:58,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2021-12-06 20:17:58,749 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 20:17:58,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 62 treesize of output 28 [2021-12-06 20:17:58,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:17:58,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:17:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:17:59,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:59,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226250665] [2021-12-06 20:17:59,175 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 20:17:59,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051578519] [2021-12-06 20:17:59,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051578519] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:17:59,175 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:17:59,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2021-12-06 20:17:59,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347036182] [2021-12-06 20:17:59,175 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:17:59,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-06 20:17:59,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:59,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 20:17:59,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-12-06 20:17:59,176 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 14 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:59,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:59,280 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2021-12-06 20:17:59,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 20:17:59,280 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 14 states have internal predecessors, (34), 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 20 [2021-12-06 20:17:59,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:59,280 INFO L225 Difference]: With dead ends: 39 [2021-12-06 20:17:59,280 INFO L226 Difference]: Without dead ends: 37 [2021-12-06 20:17:59,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2021-12-06 20:17:59,281 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 14 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:59,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 58 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 40 Invalid, 0 Unknown, 14 Unchecked, 0.1s Time] [2021-12-06 20:17:59,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-12-06 20:17:59,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2021-12-06 20:17:59,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 34 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:59,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2021-12-06 20:17:59,285 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 20 [2021-12-06 20:17:59,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:59,286 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2021-12-06 20:17:59,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 14 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:17:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2021-12-06 20:17:59,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-06 20:17:59,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:59,286 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:59,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 20:17:59,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:59,489 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:17:59,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:59,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1786143722, now seen corresponding path program 3 times [2021-12-06 20:17:59,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:59,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783312919] [2021-12-06 20:17:59,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:59,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:59,560 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 20:17:59,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1817253] [2021-12-06 20:17:59,561 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 20:17:59,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:17:59,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:17:59,564 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:17:59,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 20:17:59,742 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-06 20:17:59,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:17:59,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2021-12-06 20:17:59,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:17:59,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-06 20:17:59,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:17:59,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2021-12-06 20:17:59,761 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 8 treesize of output 7 [2021-12-06 20:17:59,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:17:59,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-06 20:17:59,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2021-12-06 20:17:59,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:17:59,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:17:59,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:17:59,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2021-12-06 20:17:59,835 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 20:17:59,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:17:59,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 24 [2021-12-06 20:17:59,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:17:59,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 20:17:59,892 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:17:59,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:18:00,097 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_269 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| v_ArrVal_269) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) 1)) is different from false [2021-12-06 20:18:00,113 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 3 not checked. [2021-12-06 20:18:00,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:18:00,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783312919] [2021-12-06 20:18:00,114 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 20:18:00,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817253] [2021-12-06 20:18:00,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817253] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:18:00,114 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:18:00,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-12-06 20:18:00,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054244046] [2021-12-06 20:18:00,114 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:18:00,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 20:18:00,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:18:00,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 20:18:00,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=129, Unknown=1, NotChecked=24, Total=210 [2021-12-06 20:18:00,116 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 15 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:00,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:18:00,363 INFO L93 Difference]: Finished difference Result 98 states and 105 transitions. [2021-12-06 20:18:00,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 20:18:00,364 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 15 states have internal predecessors, (34), 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 20 [2021-12-06 20:18:00,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:18:00,365 INFO L225 Difference]: With dead ends: 98 [2021-12-06 20:18:00,365 INFO L226 Difference]: Without dead ends: 96 [2021-12-06 20:18:00,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=160, Invalid=443, Unknown=1, NotChecked=46, Total=650 [2021-12-06 20:18:00,366 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 114 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 116 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:18:00,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 124 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 109 Invalid, 0 Unknown, 116 Unchecked, 0.1s Time] [2021-12-06 20:18:00,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-12-06 20:18:00,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 39. [2021-12-06 20:18:00,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 38 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:00,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2021-12-06 20:18:00,374 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 20 [2021-12-06 20:18:00,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:18:00,374 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2021-12-06 20:18:00,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 15 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:00,375 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2021-12-06 20:18:00,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-06 20:18:00,375 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:18:00,376 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:18:00,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 20:18:00,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:18:00,577 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:18:00,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:18:00,579 INFO L85 PathProgramCache]: Analyzing trace with hash 986773582, now seen corresponding path program 2 times [2021-12-06 20:18:00,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:18:00,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495033436] [2021-12-06 20:18:00,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:18:00,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:18:00,621 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 20:18:00,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1507134293] [2021-12-06 20:18:00,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:18:00,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:18:00,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:18:00,623 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:18:00,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 20:18:00,665 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:18:00,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:18:00,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:18:00,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:18:00,700 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 20:18:00,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:18:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 20:18:00,727 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:18:00,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495033436] [2021-12-06 20:18:00,727 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 20:18:00,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507134293] [2021-12-06 20:18:00,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507134293] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:18:00,728 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:18:00,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-12-06 20:18:00,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522189791] [2021-12-06 20:18:00,728 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:18:00,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 20:18:00,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:18:00,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 20:18:00,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:18:00,729 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:00,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:18:00,831 INFO L93 Difference]: Finished difference Result 68 states and 74 transitions. [2021-12-06 20:18:00,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 20:18:00,831 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 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 22 [2021-12-06 20:18:00,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:18:00,832 INFO L225 Difference]: With dead ends: 68 [2021-12-06 20:18:00,832 INFO L226 Difference]: Without dead ends: 59 [2021-12-06 20:18:00,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-12-06 20:18:00,833 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 39 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:18:00,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 63 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:18:00,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-12-06 20:18:00,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 39. [2021-12-06 20:18:00,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 38 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:00,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2021-12-06 20:18:00,837 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 22 [2021-12-06 20:18:00,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:18:00,841 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2021-12-06 20:18:00,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:00,841 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2021-12-06 20:18:00,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 20:18:00,842 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:18:00,842 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:18:00,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-12-06 20:18:01,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 20:18:01,044 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:18:01,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:18:01,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1197174726, now seen corresponding path program 3 times [2021-12-06 20:18:01,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:18:01,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953965825] [2021-12-06 20:18:01,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:18:01,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:18:01,084 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 20:18:01,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1623538245] [2021-12-06 20:18:01,085 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 20:18:01,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:18:01,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:18:01,086 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:18:01,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 20:18:01,191 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-06 20:18:01,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:18:01,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 20:18:01,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:18:01,247 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 20:18:01,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:18:01,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 20:18:01,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:18:01,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953965825] [2021-12-06 20:18:01,286 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 20:18:01,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623538245] [2021-12-06 20:18:01,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623538245] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:18:01,287 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:18:01,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-12-06 20:18:01,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735660983] [2021-12-06 20:18:01,287 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:18:01,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 20:18:01,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:18:01,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 20:18:01,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-06 20:18:01,288 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:01,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:18:01,364 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2021-12-06 20:18:01,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 20:18:01,364 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 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 24 [2021-12-06 20:18:01,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:18:01,365 INFO L225 Difference]: With dead ends: 63 [2021-12-06 20:18:01,365 INFO L226 Difference]: Without dead ends: 43 [2021-12-06 20:18:01,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-12-06 20:18:01,366 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 29 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:18:01,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 58 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:18:01,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-12-06 20:18:01,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 30. [2021-12-06 20:18:01,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:01,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2021-12-06 20:18:01,371 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 24 [2021-12-06 20:18:01,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:18:01,371 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2021-12-06 20:18:01,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:01,372 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2021-12-06 20:18:01,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 20:18:01,372 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:18:01,372 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:18:01,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-06 20:18:01,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:18:01,575 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:18:01,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:18:01,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1232945932, now seen corresponding path program 4 times [2021-12-06 20:18:01,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:18:01,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747742816] [2021-12-06 20:18:01,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:18:01,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:18:01,622 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 20:18:01,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [456135153] [2021-12-06 20:18:01,623 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 20:18:01,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:18:01,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:18:01,624 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:18:01,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-06 20:18:01,821 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 20:18:01,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:18:01,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 46 conjunts are in the unsatisfiable core [2021-12-06 20:18:01,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:18:01,847 INFO L354 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2021-12-06 20:18:01,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2021-12-06 20:18:01,850 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-12-06 20:18:01,868 INFO L354 Elim1Store]: treesize reduction 23, result has 54.0 percent of original size [2021-12-06 20:18:01,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 69 [2021-12-06 20:18:01,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-12-06 20:18:01,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-06 20:18:01,906 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 8 treesize of output 7 [2021-12-06 20:18:01,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 38 [2021-12-06 20:18:01,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-06 20:18:01,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-06 20:18:01,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 20:18:01,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-06 20:18:01,990 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-06 20:18:01,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 59 [2021-12-06 20:18:01,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:01,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:01,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:01,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2021-12-06 20:18:02,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:02,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2021-12-06 20:18:02,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:02,033 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 20:18:02,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2021-12-06 20:18:02,086 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-06 20:18:02,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 137 treesize of output 125 [2021-12-06 20:18:02,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:02,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:18:02,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:02,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:02,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:02,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:02,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:02,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 153 [2021-12-06 20:18:02,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:02,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:02,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:02,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 69 treesize of output 39 [2021-12-06 20:18:02,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:02,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:02,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:02,205 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 20:18:02,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 44 [2021-12-06 20:18:02,301 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 20:18:02,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 56 treesize of output 32 [2021-12-06 20:18:02,311 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:18:02,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:18:05,044 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:18:05,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:18:05,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747742816] [2021-12-06 20:18:05,045 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 20:18:05,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456135153] [2021-12-06 20:18:05,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456135153] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:18:05,045 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:18:05,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 20 [2021-12-06 20:18:05,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045282564] [2021-12-06 20:18:05,045 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:18:05,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-06 20:18:05,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:18:05,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-06 20:18:05,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2021-12-06 20:18:05,046 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 20 states, 20 states have (on average 2.1) internal successors, (42), 20 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:05,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:18:05,376 INFO L93 Difference]: Finished difference Result 63 states and 72 transitions. [2021-12-06 20:18:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-06 20:18:05,377 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.1) internal successors, (42), 20 states have internal predecessors, (42), 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 24 [2021-12-06 20:18:05,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:18:05,377 INFO L225 Difference]: With dead ends: 63 [2021-12-06 20:18:05,377 INFO L226 Difference]: Without dead ends: 61 [2021-12-06 20:18:05,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 26 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=115, Invalid=535, Unknown=0, NotChecked=0, Total=650 [2021-12-06 20:18:05,378 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 6 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 52 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:18:05,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 63 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 52 Unchecked, 0.1s Time] [2021-12-06 20:18:05,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-12-06 20:18:05,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 53. [2021-12-06 20:18:05,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 52 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:05,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 62 transitions. [2021-12-06 20:18:05,383 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 62 transitions. Word has length 24 [2021-12-06 20:18:05,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:18:05,383 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 62 transitions. [2021-12-06 20:18:05,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.1) internal successors, (42), 20 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:05,383 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2021-12-06 20:18:05,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 20:18:05,384 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:18:05,384 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:18:05,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-06 20:18:05,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:18:05,585 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:18:05,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:18:05,587 INFO L85 PathProgramCache]: Analyzing trace with hash -900609774, now seen corresponding path program 4 times [2021-12-06 20:18:05,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:18:05,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744089804] [2021-12-06 20:18:05,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:18:05,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:18:05,605 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 20:18:05,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [354348765] [2021-12-06 20:18:05,605 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 20:18:05,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:18:05,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:18:05,606 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:18:05,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-06 20:18:05,647 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 20:18:05,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:18:05,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 20:18:05,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:18:05,709 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:18:05,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:18:05,761 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:18:05,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:18:05,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744089804] [2021-12-06 20:18:05,761 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 20:18:05,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354348765] [2021-12-06 20:18:05,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354348765] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:18:05,762 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:18:05,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-12-06 20:18:05,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448261300] [2021-12-06 20:18:05,762 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:18:05,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 20:18:05,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:18:05,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 20:18:05,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2021-12-06 20:18:05,763 INFO L87 Difference]: Start difference. First operand 53 states and 62 transitions. Second operand has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:06,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:18:06,005 INFO L93 Difference]: Finished difference Result 133 states and 144 transitions. [2021-12-06 20:18:06,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-06 20:18:06,006 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 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 24 [2021-12-06 20:18:06,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:18:06,006 INFO L225 Difference]: With dead ends: 133 [2021-12-06 20:18:06,006 INFO L226 Difference]: Without dead ends: 112 [2021-12-06 20:18:06,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=268, Invalid=724, Unknown=0, NotChecked=0, Total=992 [2021-12-06 20:18:06,008 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 180 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:18:06,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 98 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:18:06,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-12-06 20:18:06,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 66. [2021-12-06 20:18:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.1384615384615384) internal successors, (74), 65 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:06,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 74 transitions. [2021-12-06 20:18:06,017 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 74 transitions. Word has length 24 [2021-12-06 20:18:06,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:18:06,017 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 74 transitions. [2021-12-06 20:18:06,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:06,017 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2021-12-06 20:18:06,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 20:18:06,018 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:18:06,018 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:18:06,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-12-06 20:18:06,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:18:06,219 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:18:06,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:18:06,219 INFO L85 PathProgramCache]: Analyzing trace with hash -55017726, now seen corresponding path program 5 times [2021-12-06 20:18:06,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:18:06,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582859432] [2021-12-06 20:18:06,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:18:06,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:18:06,234 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 20:18:06,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1137328667] [2021-12-06 20:18:06,235 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-06 20:18:06,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:18:06,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:18:06,239 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:18:06,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-06 20:18:06,907 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-12-06 20:18:06,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:18:06,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 53 conjunts are in the unsatisfiable core [2021-12-06 20:18:06,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:18:06,936 INFO L354 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2021-12-06 20:18:06,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2021-12-06 20:18:06,939 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-12-06 20:18:06,957 INFO L354 Elim1Store]: treesize reduction 23, result has 54.0 percent of original size [2021-12-06 20:18:06,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 69 [2021-12-06 20:18:06,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-12-06 20:18:06,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-06 20:18:07,003 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 8 treesize of output 6 [2021-12-06 20:18:07,031 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 8 treesize of output 7 [2021-12-06 20:18:07,039 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 8 treesize of output 7 [2021-12-06 20:18:07,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-06 20:18:07,093 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-06 20:18:07,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 107 [2021-12-06 20:18:07,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:18:07,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 131 [2021-12-06 20:18:07,117 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 20:18:07,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 154 treesize of output 75 [2021-12-06 20:18:07,199 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-06 20:18:07,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 70 [2021-12-06 20:18:07,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 79 [2021-12-06 20:18:07,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 31 [2021-12-06 20:18:07,319 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-06 20:18:07,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 155 treesize of output 139 [2021-12-06 20:18:07,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:18:07,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 156 [2021-12-06 20:18:07,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 124 treesize of output 65 [2021-12-06 20:18:07,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:18:07,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:07,466 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-12-06 20:18:07,467 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 6 case distinctions, treesize of input 72 treesize of output 58 [2021-12-06 20:18:07,759 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-12-06 20:18:07,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 84 treesize of output 44 [2021-12-06 20:18:07,773 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:18:07,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:18:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:18:18,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:18:18,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582859432] [2021-12-06 20:18:18,735 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 20:18:18,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137328667] [2021-12-06 20:18:18,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137328667] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:18:18,735 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:18:18,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 28 [2021-12-06 20:18:18,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728864768] [2021-12-06 20:18:18,735 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:18:18,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-06 20:18:18,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:18:18,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-06 20:18:18,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=598, Unknown=1, NotChecked=0, Total=756 [2021-12-06 20:18:18,737 INFO L87 Difference]: Start difference. First operand 66 states and 74 transitions. Second operand has 28 states, 28 states have (on average 1.7857142857142858) internal successors, (50), 28 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:26,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:18:26,326 INFO L93 Difference]: Finished difference Result 101 states and 110 transitions. [2021-12-06 20:18:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-06 20:18:26,327 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.7857142857142858) internal successors, (50), 28 states have internal predecessors, (50), 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 28 [2021-12-06 20:18:26,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:18:26,327 INFO L225 Difference]: With dead ends: 101 [2021-12-06 20:18:26,327 INFO L226 Difference]: Without dead ends: 71 [2021-12-06 20:18:26,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=314, Invalid=1325, Unknown=1, NotChecked=0, Total=1640 [2021-12-06 20:18:26,329 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 28 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 95 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:18:26,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 126 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 173 Invalid, 0 Unknown, 95 Unchecked, 1.2s Time] [2021-12-06 20:18:26,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-12-06 20:18:26,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 64. [2021-12-06 20:18:26,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 63 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:26,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 72 transitions. [2021-12-06 20:18:26,334 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 72 transitions. Word has length 28 [2021-12-06 20:18:26,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:18:26,334 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 72 transitions. [2021-12-06 20:18:26,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.7857142857142858) internal successors, (50), 28 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:18:26,335 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2021-12-06 20:18:26,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 20:18:26,335 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:18:26,335 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:18:26,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-12-06 20:18:26,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-06 20:18:26,537 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:18:26,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:18:26,538 INFO L85 PathProgramCache]: Analyzing trace with hash 48972360, now seen corresponding path program 6 times [2021-12-06 20:18:26,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:18:26,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933696541] [2021-12-06 20:18:26,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:18:26,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:18:26,577 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 20:18:26,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1520618008] [2021-12-06 20:18:26,578 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-06 20:18:26,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:18:26,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:18:26,578 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:18:26,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb795010-0a19-4540-87e4-854f810fe4fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-06 20:18:27,022 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-12-06 20:18:27,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:18:27,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 64 conjunts are in the unsatisfiable core [2021-12-06 20:18:27,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:18:27,055 INFO L354 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2021-12-06 20:18:27,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2021-12-06 20:18:27,058 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-12-06 20:18:27,080 INFO L354 Elim1Store]: treesize reduction 23, result has 54.0 percent of original size [2021-12-06 20:18:27,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 69 [2021-12-06 20:18:27,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-12-06 20:18:27,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-06 20:18:27,117 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 8 treesize of output 7 [2021-12-06 20:18:27,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 38 [2021-12-06 20:18:27,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-06 20:18:27,145 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 20:18:27,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 20:18:27,174 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 20:18:27,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-06 20:18:27,222 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-06 20:18:27,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 59 [2021-12-06 20:18:27,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2021-12-06 20:18:27,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 15 [2021-12-06 20:18:27,280 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-06 20:18:27,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 59 [2021-12-06 20:18:27,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2021-12-06 20:18:27,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 24 [2021-12-06 20:18:27,349 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-06 20:18:27,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 59 [2021-12-06 20:18:27,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2021-12-06 20:18:27,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 15 [2021-12-06 20:18:27,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,464 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-12-06 20:18:27,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 39 [2021-12-06 20:18:27,579 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 20:18:27,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 152 treesize of output 140 [2021-12-06 20:18:27,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,631 INFO L354 Elim1Store]: treesize reduction 84, result has 20.0 percent of original size [2021-12-06 20:18:27,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 129 treesize of output 190 [2021-12-06 20:18:27,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 128 [2021-12-06 20:18:27,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:27,899 INFO L354 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2021-12-06 20:18:27,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 190 treesize of output 129 [2021-12-06 20:18:28,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 313 treesize of output 279 [2021-12-06 20:18:28,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:28,683 INFO L354 Elim1Store]: treesize reduction 110, result has 20.9 percent of original size [2021-12-06 20:18:28,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 276 treesize of output 332 [2021-12-06 20:18:29,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 115 [2021-12-06 20:18:29,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 113 [2021-12-06 20:18:29,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 121 [2021-12-06 20:18:29,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 20:18:29,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 89 [2021-12-06 20:18:29,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:29,753 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-12-06 20:18:29,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 155 treesize of output 92 [2021-12-06 20:18:30,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:18:30,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 108 [2021-12-06 20:18:33,138 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:18:33,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:18:59,058 WARN L227 SmtUtils]: Spent 10.21s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 20:19:26,970 WARN L860 $PredicateComparison]: unable to prove that (or (<= c_~N~0 1) (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse22 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse0 (+ .cse22 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|)) (.cse1 (+ .cse22 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< .cse0 (+ 4294967294 c_~N~0)) (<= (+ 4294967295 c_~N~0) .cse0) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< .cse1 1) (let ((.cse21 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse2 (< 2147483647 .cse21)) (.cse11 (<= .cse21 2147483647)) (.cse12 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (and (or (and (or .cse2 (forall ((v_ArrVal_555 Int)) (= 11 (select (store (let ((.cse3 (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse5 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) (let ((.cse6 (* (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (+ (select .cse5 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse6)) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse6)))))))) (store .cse3 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse4 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse3 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse4)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse3) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse4)))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8))))) (or (forall ((v_ArrVal_555 Int)) (= (select (store (let ((.cse7 (let ((.cse9 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse9 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) (let ((.cse10 (* (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (+ (select .cse9 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse10)) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse10)))))))) (store .cse7 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse8 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse7 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse8)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse7) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse8)))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) 11)) .cse11)) (< 2147483647 .cse12)) (or (and (or (forall ((v_ArrVal_555 Int)) (= 11 (select (store (let ((.cse13 (let ((.cse15 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse15 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) (let ((.cse16 (* (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (+ (select .cse15 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse16 (- 34359738368))) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse16 (- 34359738368))))))))) (store .cse13 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse14 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse13 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse14)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse13) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse14)))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)))) .cse2) (or .cse11 (forall ((v_ArrVal_555 Int)) (= (select (store (let ((.cse17 (let ((.cse19 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse19 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) (let ((.cse20 (* (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (+ (select .cse19 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse20 (- 34359738368))) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse20 (- 34359738368))))))))) (store .cse17 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse18 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse17 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse18)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse17) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse18)))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) 11)))) (<= .cse12 2147483647))))) (< 2147483648 .cse1))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse45 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse23 (+ .cse45 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|)) (.cse24 (+ .cse45 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< .cse23 (+ 4294967294 c_~N~0)) (<= (+ 4294967295 c_~N~0) .cse23) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (<= .cse24 2147483648) (let ((.cse44 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse29 (< 2147483647 .cse44)) (.cse34 (<= .cse44 2147483647)) (.cse35 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (and (or (and (or (forall ((v_ArrVal_555 Int)) (= (select (store (let ((.cse25 (let ((.cse27 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse27 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) (let ((.cse28 (* (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (+ (select .cse27 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse28)) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse28)))))))) (store .cse25 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse26 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse25 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse26 (- 34359738368))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse25) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse26 (- 34359738368))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) 11)) .cse29) (or (forall ((v_ArrVal_555 Int)) (= (select (store (let ((.cse30 (let ((.cse32 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse32 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) (let ((.cse33 (* (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (+ (select .cse32 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse33)) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse33)))))))) (store .cse30 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse31 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse30 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse31 (- 34359738368))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse31 (- 34359738368))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) 11)) .cse34)) (< 2147483647 .cse35)) (or (and (or .cse29 (forall ((v_ArrVal_555 Int)) (= (select (store (let ((.cse36 (let ((.cse38 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse38 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) (let ((.cse39 (* (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (+ (select .cse38 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse39 (- 34359738368))) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse39 (- 34359738368))))))))) (store .cse36 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse37 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse36 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse37 (- 34359738368))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse36) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse37 (- 34359738368))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) 11))) (or .cse34 (forall ((v_ArrVal_555 Int)) (= (select (store (let ((.cse40 (let ((.cse42 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse42 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) (let ((.cse43 (* (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (+ (select .cse42 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse43 (- 34359738368))) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse43 (- 34359738368))))))))) (store .cse40 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse41 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse40 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse41 (- 34359738368))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse40) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse41 (- 34359738368))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) 11)))) (<= .cse35 2147483647))))) (<= 4294967297 .cse24))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse68 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse46 (+ .cse68 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|)) (.cse47 (+ .cse68 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< .cse46 (+ 4294967294 c_~N~0)) (<= (+ 4294967295 c_~N~0) .cse46) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (<= .cse47 2147483648) (let ((.cse67 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse52 (< 2147483647 .cse67)) (.cse57 (<= .cse67 2147483647)) (.cse58 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (and (or (and (or (forall ((v_ArrVal_555 Int)) (= (select (store (let ((.cse48 (let ((.cse50 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse50 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) (let ((.cse51 (* (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (+ (select .cse50 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse51)) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse51)))))))) (store .cse48 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse49 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse48 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse49 (- 34359738368))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse48) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse49 (- 34359738368))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) 11)) .cse52) (or (forall ((v_ArrVal_555 Int)) (= (select (store (let ((.cse53 (let ((.cse55 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse55 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) (let ((.cse56 (* (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (+ (select .cse55 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse56)) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse56)))))))) (store .cse53 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse54 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse53 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse54 (- 34359738368))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse53) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse54 (- 34359738368))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) 11)) .cse57)) (< 2147483647 .cse58)) (or (and (or .cse52 (forall ((v_ArrVal_555 Int)) (= (select (store (let ((.cse59 (let ((.cse61 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse61 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) (let ((.cse62 (* (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (+ (select .cse61 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse62 (- 34359738368))) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse62 (- 34359738368))))))))) (store .cse59 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse60 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse59 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse60 (- 34359738368))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse59) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse60 (- 34359738368))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) 11))) (or .cse57 (forall ((v_ArrVal_555 Int)) (= 11 (select (store (let ((.cse63 (let ((.cse65 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse65 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) (let ((.cse66 (* (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (+ (select .cse65 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse66 (- 34359738368))) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse66 (- 34359738368))))))))) (store .cse63 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse64 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse63 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse64 (- 34359738368))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse63) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse64 (- 34359738368))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)))))) (<= .cse58 2147483647))))) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (<= 4294967297 .cse47))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse91 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse69 (+ .cse91 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|)) (.cse90 (+ .cse91 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< .cse69 (+ 4294967294 c_~N~0)) (<= (+ 4294967295 c_~N~0) .cse69) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (let ((.cse89 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse75 (<= .cse89 2147483647)) (.cse74 (< 2147483647 .cse89)) (.cse80 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (and (or (and (or (forall ((v_ArrVal_555 Int)) (= (select (store (let ((.cse70 (let ((.cse72 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse72 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) (let ((.cse73 (* (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (+ (select .cse72 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse73)) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse73)))))))) (store .cse70 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse71 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse70 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse71)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse70) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse71)))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) 11)) .cse74) (or .cse75 (forall ((v_ArrVal_555 Int)) (= 11 (select (store (let ((.cse76 (let ((.cse78 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse78 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) (let ((.cse79 (* (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (+ (select .cse78 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse79)) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse79)))))))) (store .cse76 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse77 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse76 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse77)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse76) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse77)))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)))))) (< 2147483647 .cse80)) (or (and (or (forall ((v_ArrVal_555 Int)) (= (select (store (let ((.cse81 (let ((.cse83 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse83 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) (let ((.cse84 (* (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (+ (select .cse83 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse84 (- 34359738368))) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse84 (- 34359738368))))))))) (store .cse81 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse82 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse81 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse82)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse81) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse82)))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) 11)) .cse75) (or (forall ((v_ArrVal_555 Int)) (= (select (store (let ((.cse85 (let ((.cse87 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse87 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) (let ((.cse88 (* (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (+ (select .cse87 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse88 (- 34359738368))) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse88 (- 34359738368))))))))) (store .cse85 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse86 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse85 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse86)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse85) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse86)))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8)) 11)) .cse74)) (<= .cse80 2147483647))))) (< .cse90 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse90))))))) is different from true [2021-12-06 20:20:01,961 WARN L227 SmtUtils]: Spent 14.65s on a formula simplification that was a NOOP. DAG size: 98 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 20:20:30,384 WARN L227 SmtUtils]: Spent 17.57s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 20:21:05,146 WARN L227 SmtUtils]: Spent 20.17s on a formula simplification that was a NOOP. DAG size: 101 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 20:21:12,703 WARN L860 $PredicateComparison]: unable to prove that (or (let ((.cse0 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (and (or (< 2147483647 .cse0) (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_548 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse9 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse1 (+ .cse9 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|)) (.cse2 (+ .cse9 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< .cse1 (+ 4294967294 c_~N~0)) (<= (+ 4294967295 c_~N~0) .cse1) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (<= .cse2 2147483648) (forall ((v_ArrVal_555 Int)) (= (let ((.cse7 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8))) (select (store (let ((.cse8 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_548))) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse8))) (let ((.cse3 (let ((.cse6 (select .cse5 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse6 .cse7 (+ (select .cse6 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse8 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (store .cse3 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse4 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse3 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse4 (- 34359738368))) (select (select (store .cse5 |c_ULTIMATE.start_main_~b~0#1.base| .cse3) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse4 (- 34359738368))))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) .cse7)) 11)) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (<= 4294967297 .cse2))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_548 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse18 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse10 (+ .cse18 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|)) (.cse11 (+ .cse18 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< .cse10 (+ 4294967294 c_~N~0)) (<= (+ 4294967295 c_~N~0) .cse10) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (<= .cse11 2147483648) (forall ((v_ArrVal_555 Int)) (= (let ((.cse16 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8))) (select (store (let ((.cse17 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_548))) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse17))) (let ((.cse12 (let ((.cse15 (select .cse14 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse15 .cse16 (+ (select .cse15 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (store .cse12 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse13 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse12 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse13 (- 34359738368))) (select (select (store .cse14 |c_ULTIMATE.start_main_~b~0#1.base| .cse12) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse13 (- 34359738368))))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) .cse16)) 11)) (<= 4294967297 .cse11))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_548 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse27 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse19 (+ .cse27 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|)) (.cse26 (+ .cse27 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< .cse19 (+ 4294967294 c_~N~0)) (<= (+ 4294967295 c_~N~0) .cse19) (forall ((v_ArrVal_555 Int)) (= (let ((.cse24 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8))) (select (store (let ((.cse25 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_548))) (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25))) (let ((.cse20 (let ((.cse23 (select .cse21 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse23 .cse24 (+ (select .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (store .cse20 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse22 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store .cse21 |c_ULTIMATE.start_main_~b~0#1.base| .cse20) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse22)) (select .cse20 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse22)))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) .cse24)) 11)) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< .cse26 1) (< 2147483648 .cse26))))))) (or (<= .cse0 2147483647) (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_548 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse36 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse28 (+ .cse36 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|)) (.cse29 (+ .cse36 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< .cse28 (+ 4294967294 c_~N~0)) (<= (+ 4294967295 c_~N~0) .cse28) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse29 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse29) (forall ((v_ArrVal_555 Int)) (= (let ((.cse34 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8))) (select (store (let ((.cse35 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_548))) (let ((.cse32 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35))) (let ((.cse30 (let ((.cse33 (select .cse32 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse33 .cse34 (+ (select .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (store .cse30 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse31 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse30 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse31)) (select (select (store .cse32 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse31)))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) .cse34)) 11)))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_548 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse45 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse37 (+ .cse45 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|)) (.cse38 (+ .cse45 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< .cse37 (+ 4294967294 c_~N~0)) (<= (+ 4294967295 c_~N~0) .cse37) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< .cse38 1) (forall ((v_ArrVal_555 Int)) (= 11 (let ((.cse43 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8))) (select (store (let ((.cse44 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_548))) (let ((.cse41 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse44))) (let ((.cse39 (let ((.cse42 (select .cse41 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse42 .cse43 (+ (select .cse42 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse44 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (store .cse39 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse40 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse39 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse40)) (select (select (store .cse41 |c_ULTIMATE.start_main_~b~0#1.base| .cse39) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse40)))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) .cse43)))) (< 2147483648 .cse38))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_548 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse54 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse46 (+ .cse54 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|)) (.cse47 (+ .cse54 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< .cse46 (+ 4294967294 c_~N~0)) (<= (+ 4294967295 c_~N~0) .cse46) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (<= .cse47 2147483648) (forall ((v_ArrVal_555 Int)) (= (let ((.cse52 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8))) (select (store (let ((.cse53 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_548))) (let ((.cse50 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse53))) (let ((.cse48 (let ((.cse51 (select .cse50 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse51 .cse52 (+ (select .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse53 |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (store .cse48 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse49 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse48 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse49 (- 34359738368))) (select (select (store .cse50 |c_ULTIMATE.start_main_~b~0#1.base| .cse48) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse49 (- 34359738368))))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) .cse52)) 11)) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (<= 4294967297 .cse47))))))))) (<= c_~N~0 1) (<= c_~N~0 |c_ULTIMATE.start_main_~i~0#1|) (< (+ |c_ULTIMATE.start_main_~i~0#1| 1) c_~N~0)) is different from true [2021-12-06 20:21:17,292 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse55 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (or (let ((.cse27 (mod .cse55 4294967296))) (and (or (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_548 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse8 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse0 (+ .cse8 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|)) (.cse7 (+ .cse8 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< .cse0 (+ 4294967294 c_~N~0)) (<= (+ 4294967295 c_~N~0) .cse0) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (forall ((v_ArrVal_555 Int)) (= (let ((.cse5 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8))) (select (store (let ((.cse6 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_548))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse6))) (let ((.cse1 (let ((.cse4 (select .cse2 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse4 .cse5 (+ (select .cse6 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse4 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (store .cse1 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse3 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store .cse2 |c_ULTIMATE.start_main_~b~0#1.base| .cse1) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse3)) (select .cse1 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse3)))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) .cse5)) 11)) (< .cse7 1) (< 2147483648 .cse7))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_548 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse17 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse9 (+ .cse17 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|)) (.cse16 (+ .cse17 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< .cse9 (+ 4294967294 c_~N~0)) (<= (+ 4294967295 c_~N~0) .cse9) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (forall ((v_ArrVal_555 Int)) (= (let ((.cse14 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8))) (select (store (let ((.cse15 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_548))) (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse15))) (let ((.cse10 (let ((.cse13 (select .cse11 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse13 .cse14 (+ (select .cse15 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse13 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (store .cse10 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse12 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store .cse11 |c_ULTIMATE.start_main_~b~0#1.base| .cse10) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse12 (- 34359738368))) (select .cse10 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse12 (- 34359738368))))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) .cse14)) 11)) (<= .cse16 2147483648) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (<= 4294967297 .cse16))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_548 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse26 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse18 (+ .cse26 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|)) (.cse25 (+ .cse26 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< .cse18 (+ 4294967294 c_~N~0)) (<= (+ 4294967295 c_~N~0) .cse18) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (forall ((v_ArrVal_555 Int)) (= 11 (let ((.cse23 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8))) (select (store (let ((.cse24 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_548))) (let ((.cse20 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse24))) (let ((.cse19 (let ((.cse22 (select .cse20 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse22 .cse23 (+ (select .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse22 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (store .cse19 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse21 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store .cse20 |c_ULTIMATE.start_main_~b~0#1.base| .cse19) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse21)) (select .cse19 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse21)))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) .cse23)))) (< .cse25 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (< 2147483648 .cse25)))))) (<= .cse27 2147483647)) (or (< 2147483647 .cse27) (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_548 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse36 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse28 (+ .cse36 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|)) (.cse29 (+ .cse36 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< .cse28 (+ 4294967294 c_~N~0)) (<= (+ 4294967295 c_~N~0) .cse28) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (<= .cse29 2147483648) (forall ((v_ArrVal_555 Int)) (= (let ((.cse34 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8))) (select (store (let ((.cse35 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_548))) (let ((.cse31 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse35))) (let ((.cse30 (let ((.cse33 (select .cse31 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse33 .cse34 (+ (select .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (store .cse30 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse32 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store .cse31 |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse32 (- 34359738368))) (select .cse30 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse32 (- 34359738368))))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) .cse34)) 11)) (<= 4294967297 .cse29))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_548 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse45 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse37 (+ .cse45 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|)) (.cse38 (+ .cse45 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< .cse37 (+ 4294967294 c_~N~0)) (<= (+ 4294967295 c_~N~0) .cse37) (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (<= .cse38 2147483648) (forall ((v_ArrVal_555 Int)) (= (let ((.cse43 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8))) (select (store (let ((.cse44 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_548))) (let ((.cse40 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse44))) (let ((.cse39 (let ((.cse42 (select .cse40 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse42 .cse43 (+ (select .cse44 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse42 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (store .cse39 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (- 34359738368) (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse41 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select (select (store .cse40 |c_ULTIMATE.start_main_~b~0#1.base| .cse39) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse41 (- 34359738368))) (select .cse39 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse41 (- 34359738368))))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) .cse43)) 11)) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (<= 4294967297 .cse38))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (v_ArrVal_548 Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse54 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse46 (+ .cse54 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|) |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|)) (.cse47 (+ .cse54 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (or (< .cse46 (+ 4294967294 c_~N~0)) (<= (+ 4294967295 c_~N~0) .cse46) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< .cse47 1) (forall ((v_ArrVal_555 Int)) (= 11 (let ((.cse52 (+ |c_ULTIMATE.start_main_~b~0#1.offset| 8))) (select (store (let ((.cse53 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_548))) (let ((.cse50 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse53))) (let ((.cse48 (let ((.cse51 (select .cse50 |c_ULTIMATE.start_main_~b~0#1.base|))) (store .cse51 .cse52 (+ (select .cse53 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (store .cse48 (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse49 (* (mod (+ 4294967295 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) 4294967296) 8))) (+ (select .cse48 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse49)) (select (select (store .cse50 |c_ULTIMATE.start_main_~b~0#1.base| .cse48) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse49)))))))) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_555) .cse52)))) (< 2147483648 .cse47))))))))) (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0) (<= c_~N~0 1) (<= c_~N~0 .cse55))) is different from true