./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/nested5-2.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_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/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_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/nested5-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/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_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/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 5ad780effdbe313ff13ad5bc7233d50356fbf06f53a57c18cd85a4aa46126eb2 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:31:33,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:31:33,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:31:33,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:31:33,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:31:33,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:31:33,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:31:33,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:31:33,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:31:33,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:31:33,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:31:33,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:31:33,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:31:33,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:31:33,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:31:33,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:31:33,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:31:33,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:31:33,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:31:33,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:31:33,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:31:33,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:31:33,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:31:33,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:31:33,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:31:33,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:31:33,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:31:33,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:31:33,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:31:33,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:31:33,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:31:33,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:31:33,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:31:33,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:31:33,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:31:33,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:31:33,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:31:33,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:31:33,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:31:33,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:31:33,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:31:33,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 01:31:33,483 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:31:33,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:31:33,483 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:31:33,483 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:31:33,484 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:31:33,484 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:31:33,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:31:33,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:31:33,485 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:31:33,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:31:33,485 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 01:31:33,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:31:33,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 01:31:33,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:31:33,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:31:33,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:31:33,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:31:33,486 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 01:31:33,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:31:33,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:31:33,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:31:33,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:31:33,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:31:33,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:31:33,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:31:33,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:31:33,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:31:33,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:31:33,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:31:33,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:31:33,488 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:31:33,488 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:31:33,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:31:33,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:31:33,488 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_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ad780effdbe313ff13ad5bc7233d50356fbf06f53a57c18cd85a4aa46126eb2 [2021-12-07 01:31:33,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:31:33,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:31:33,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:31:33,684 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:31:33,685 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:31:33,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/loops-crafted-1/nested5-2.c [2021-12-07 01:31:33,726 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/data/90821bdfc/ca0a6cf284d34383acf269c129d99d4e/FLAG5601e7da2 [2021-12-07 01:31:34,075 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:31:34,075 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/sv-benchmarks/c/loops-crafted-1/nested5-2.c [2021-12-07 01:31:34,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/data/90821bdfc/ca0a6cf284d34383acf269c129d99d4e/FLAG5601e7da2 [2021-12-07 01:31:34,090 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/data/90821bdfc/ca0a6cf284d34383acf269c129d99d4e [2021-12-07 01:31:34,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:31:34,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:31:34,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:31:34,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:31:34,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:31:34,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:31:34" (1/1) ... [2021-12-07 01:31:34,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8dcf06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:34, skipping insertion in model container [2021-12-07 01:31:34,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:31:34" (1/1) ... [2021-12-07 01:31:34,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:31:34,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:31:34,230 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_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/sv-benchmarks/c/loops-crafted-1/nested5-2.c[321,334] [2021-12-07 01:31:34,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:31:34,253 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:31:34,266 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_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/sv-benchmarks/c/loops-crafted-1/nested5-2.c[321,334] [2021-12-07 01:31:34,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:31:34,285 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:31:34,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:34 WrapperNode [2021-12-07 01:31:34,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:31:34,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:31:34,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:31:34,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:31:34,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:34" (1/1) ... [2021-12-07 01:31:34,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:34" (1/1) ... [2021-12-07 01:31:34,322 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2021-12-07 01:31:34,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:31:34,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:31:34,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:31:34,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:31:34,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:34" (1/1) ... [2021-12-07 01:31:34,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:34" (1/1) ... [2021-12-07 01:31:34,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:34" (1/1) ... [2021-12-07 01:31:34,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:34" (1/1) ... [2021-12-07 01:31:34,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:34" (1/1) ... [2021-12-07 01:31:34,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:34" (1/1) ... [2021-12-07 01:31:34,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:34" (1/1) ... [2021-12-07 01:31:34,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:31:34,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:31:34,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:31:34,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:31:34,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:34" (1/1) ... [2021-12-07 01:31:34,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:31:34,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:31:34,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:31:34,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:31:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:31:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:31:34,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:31:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:31:34,457 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:31:34,459 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:31:34,537 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:31:34,543 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:31:34,543 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-07 01:31:34,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:31:34 BoogieIcfgContainer [2021-12-07 01:31:34,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:31:34,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:31:34,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:31:34,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:31:34,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:31:34" (1/3) ... [2021-12-07 01:31:34,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@231ab106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:31:34, skipping insertion in model container [2021-12-07 01:31:34,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:31:34" (2/3) ... [2021-12-07 01:31:34,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@231ab106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:31:34, skipping insertion in model container [2021-12-07 01:31:34,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:31:34" (3/3) ... [2021-12-07 01:31:34,551 INFO L111 eAbstractionObserver]: Analyzing ICFG nested5-2.c [2021-12-07 01:31:34,556 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:31:34,556 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:31:34,593 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:31:34,599 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 [2021-12-07 01:31:34,599 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:31:34,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.631578947368421) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:31:34,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-07 01:31:34,614 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:31:34,615 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:31:34,615 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:31:34,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:31:34,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1296464707, now seen corresponding path program 1 times [2021-12-07 01:31:34,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:31:34,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001795944] [2021-12-07 01:31:34,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:31:34,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:31:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:34,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:31:34,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:31:34,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001795944] [2021-12-07 01:31:34,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001795944] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:31:34,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:31:34,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:31:34,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646621595] [2021-12-07 01:31:34,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:31:34,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:31:34,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:31:34,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:31:34,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:31:34,823 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.631578947368421) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-12-07 01:31:34,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:31:34,852 INFO L93 Difference]: Finished difference Result 53 states and 82 transitions. [2021-12-07 01:31:34,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:31:34,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2021-12-07 01:31:34,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:31:34,860 INFO L225 Difference]: With dead ends: 53 [2021-12-07 01:31:34,860 INFO L226 Difference]: Without dead ends: 26 [2021-12-07 01:31:34,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:31:34,865 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 14 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:31:34,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 42 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:31:34,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-12-07 01:31:34,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 18. [2021-12-07 01:31:34,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 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) [2021-12-07 01:31:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2021-12-07 01:31:34,890 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 10 [2021-12-07 01:31:34,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:31:34,890 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-12-07 01:31:34,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-12-07 01:31:34,891 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-12-07 01:31:34,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-07 01:31:34,891 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:31:34,892 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:31:34,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:31:34,892 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:31:34,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:31:34,893 INFO L85 PathProgramCache]: Analyzing trace with hash -308834241, now seen corresponding path program 1 times [2021-12-07 01:31:34,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:31:34,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032660500] [2021-12-07 01:31:34,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:31:34,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:31:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:34,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:31:34,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:31:34,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032660500] [2021-12-07 01:31:34,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032660500] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:31:34,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274746891] [2021-12-07 01:31:34,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:31:34,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:31:34,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:31:34,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:31:34,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 01:31:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-07 01:31:35,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:31:35,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:31:35,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:31:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:31:35,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274746891] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:31:35,104 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:31:35,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-07 01:31:35,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595010310] [2021-12-07 01:31:35,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:31:35,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:31:35,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:31:35,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:31:35,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:31:35,108 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:31:35,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:31:35,154 INFO L93 Difference]: Finished difference Result 47 states and 61 transitions. [2021-12-07 01:31:35,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:31:35,155 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-12-07 01:31:35,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:31:35,156 INFO L225 Difference]: With dead ends: 47 [2021-12-07 01:31:35,156 INFO L226 Difference]: Without dead ends: 31 [2021-12-07 01:31:35,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:31:35,158 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 43 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:31:35,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 58 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:31:35,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-12-07 01:31:35,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 24. [2021-12-07 01:31:35,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:31:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2021-12-07 01:31:35,165 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 12 [2021-12-07 01:31:35,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:31:35,165 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2021-12-07 01:31:35,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:31:35,166 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2021-12-07 01:31:35,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-07 01:31:35,167 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:31:35,167 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:31:35,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:31:35,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:31:35,369 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:31:35,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:31:35,373 INFO L85 PathProgramCache]: Analyzing trace with hash 83697605, now seen corresponding path program 2 times [2021-12-07 01:31:35,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:31:35,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608482129] [2021-12-07 01:31:35,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:31:35,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:31:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:31:35,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:31:35,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608482129] [2021-12-07 01:31:35,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608482129] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:31:35,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136710782] [2021-12-07 01:31:35,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 01:31:35,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:31:35,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:31:35,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:31:35,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 01:31:35,568 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 01:31:35,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:31:35,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-07 01:31:35,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:31:35,658 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:31:35,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:31:35,736 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:31:35,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136710782] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:31:35,737 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:31:35,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-12-07 01:31:35,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565612679] [2021-12-07 01:31:35,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:31:35,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-07 01:31:35,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:31:35,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-07 01:31:35,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-12-07 01:31:35,739 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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) [2021-12-07 01:31:35,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:31:35,946 INFO L93 Difference]: Finished difference Result 65 states and 82 transitions. [2021-12-07 01:31:35,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:31:35,946 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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 [2021-12-07 01:31:35,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:31:35,947 INFO L225 Difference]: With dead ends: 65 [2021-12-07 01:31:35,947 INFO L226 Difference]: Without dead ends: 43 [2021-12-07 01:31:35,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=162, Unknown=0, NotChecked=0, Total=272 [2021-12-07 01:31:35,949 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 29 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:31:35,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 145 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:31:35,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-12-07 01:31:35,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 36. [2021-12-07 01:31:35,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 35 states have internal predecessors, (40), 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) [2021-12-07 01:31:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2021-12-07 01:31:35,954 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 18 [2021-12-07 01:31:35,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:31:35,954 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2021-12-07 01:31:35,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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) [2021-12-07 01:31:35,955 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2021-12-07 01:31:35,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-07 01:31:35,955 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:31:35,956 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:31:35,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-07 01:31:36,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:31:36,158 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:31:36,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:31:36,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1185224367, now seen corresponding path program 3 times [2021-12-07 01:31:36,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:31:36,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440734116] [2021-12-07 01:31:36,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:31:36,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:31:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:31:36,327 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:31:36,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:31:36,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440734116] [2021-12-07 01:31:36,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440734116] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:31:36,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313958219] [2021-12-07 01:31:36,328 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 01:31:36,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:31:36,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:31:36,329 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:31:36,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 01:31:36,409 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-12-07 01:31:36,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:31:36,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-07 01:31:36,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:31:36,504 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:31:36,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:31:36,992 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:31:36,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313958219] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:31:36,992 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:31:36,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 15] total 27 [2021-12-07 01:31:36,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519624853] [2021-12-07 01:31:36,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:31:36,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-07 01:31:36,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:31:36,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-07 01:31:36,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=502, Unknown=0, NotChecked=0, Total=702 [2021-12-07 01:31:36,995 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 27 states, 27 states have (on average 2.074074074074074) internal successors, (56), 27 states have internal predecessors, (56), 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) [2021-12-07 01:32:31,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:32:31,140 INFO L93 Difference]: Finished difference Result 159 states and 199 transitions. [2021-12-07 01:32:31,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-12-07 01:32:31,141 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.074074074074074) internal successors, (56), 27 states have internal predecessors, (56), 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 30 [2021-12-07 01:32:31,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:32:31,142 INFO L225 Difference]: With dead ends: 159 [2021-12-07 01:32:31,142 INFO L226 Difference]: Without dead ends: 125 [2021-12-07 01:32:31,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 54.1s TimeCoverageRelationStatistics Valid=1078, Invalid=2460, Unknown=2, NotChecked=0, Total=3540 [2021-12-07 01:32:31,144 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 138 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:32:31,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 327 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 01:32:31,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-12-07 01:32:31,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 62. [2021-12-07 01:32:31,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.098360655737705) internal successors, (67), 61 states have internal predecessors, (67), 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) [2021-12-07 01:32:31,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2021-12-07 01:32:31,152 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 30 [2021-12-07 01:32:31,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:32:31,153 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2021-12-07 01:32:31,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.074074074074074) internal successors, (56), 27 states have internal predecessors, (56), 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) [2021-12-07 01:32:31,153 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2021-12-07 01:32:31,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-07 01:32:31,154 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:32:31,154 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:32:31,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-07 01:32:31,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:32:31,356 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:32:31,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:32:31,357 INFO L85 PathProgramCache]: Analyzing trace with hash -29907351, now seen corresponding path program 4 times [2021-12-07 01:32:31,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:32:31,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572782008] [2021-12-07 01:32:31,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:32:31,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:32:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:32:31,787 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:32:31,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:32:31,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572782008] [2021-12-07 01:32:31,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572782008] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:32:31,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404758419] [2021-12-07 01:32:31,788 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-07 01:32:31,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:32:31,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:32:31,789 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:32:31,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-07 01:32:31,882 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-07 01:32:31,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:32:31,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-07 01:32:31,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:32:32,091 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:32:32,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:32:33,148 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:32:33,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404758419] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:32:33,148 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:32:33,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 49 [2021-12-07 01:32:33,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508970891] [2021-12-07 01:32:33,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:32:33,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-12-07 01:32:33,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:32:33,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-12-07 01:32:33,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=670, Invalid=1682, Unknown=0, NotChecked=0, Total=2352 [2021-12-07 01:32:33,151 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand has 49 states, 49 states have (on average 2.0816326530612246) internal successors, (102), 49 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:34:47,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:34:47,426 INFO L93 Difference]: Finished difference Result 175 states and 212 transitions. [2021-12-07 01:34:47,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-12-07 01:34:47,427 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 2.0816326530612246) internal successors, (102), 49 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-12-07 01:34:47,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:34:47,428 INFO L225 Difference]: With dead ends: 175 [2021-12-07 01:34:47,428 INFO L226 Difference]: Without dead ends: 115 [2021-12-07 01:34:47,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 135.0s TimeCoverageRelationStatistics Valid=1743, Invalid=3222, Unknown=5, NotChecked=0, Total=4970 [2021-12-07 01:34:47,430 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 65 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 1185 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:34:47,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 577 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1185 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 01:34:47,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-12-07 01:34:47,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 108. [2021-12-07 01:34:47,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.0467289719626167) internal successors, (112), 107 states have internal predecessors, (112), 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) [2021-12-07 01:34:47,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 112 transitions. [2021-12-07 01:34:47,439 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 112 transitions. Word has length 54 [2021-12-07 01:34:47,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:34:47,439 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 112 transitions. [2021-12-07 01:34:47,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.0816326530612246) internal successors, (102), 49 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:34:47,440 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 112 transitions. [2021-12-07 01:34:47,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-07 01:34:47,442 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:34:47,442 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:34:47,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-07 01:34:47,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:34:47,645 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:34:47,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:34:47,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1528182631, now seen corresponding path program 5 times [2021-12-07 01:34:47,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:34:47,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433577319] [2021-12-07 01:34:47,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:34:47,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:34:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:34:48,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:34:48,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:34:48,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433577319] [2021-12-07 01:34:48,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433577319] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:34:48,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453818234] [2021-12-07 01:34:48,590 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-07 01:34:48,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:34:48,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:34:48,591 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:34:48,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec7e7ac-506f-45bd-b36d-e11ea9f4cc1a/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-07 01:37:18,679 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2021-12-07 01:37:18,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:37:18,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 95 conjunts are in the unsatisfiable core [2021-12-07 01:37:18,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:37:18,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:18,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:37:22,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:37:22,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453818234] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:37:22,372 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:37:22,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 97 [2021-12-07 01:37:22,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566045644] [2021-12-07 01:37:22,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:37:22,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2021-12-07 01:37:22,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:37:22,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-12-07 01:37:22,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2494, Invalid=6818, Unknown=0, NotChecked=0, Total=9312 [2021-12-07 01:37:22,377 INFO L87 Difference]: Start difference. First operand 108 states and 112 transitions. Second operand has 97 states, 97 states have (on average 2.0412371134020617) internal successors, (198), 97 states have internal predecessors, (198), 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) [2021-12-07 01:37:25,633 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 18) 4294967296) 268435455) (< (mod (+ 30 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 43) 4294967296) 268435455) (< (mod (+ 2 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 25) 4294967296) 268435455) (< (mod (+ 5 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 34) 4294967296) 268435455) (< (mod (+ 41 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 44 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 8) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 28) 4294967296) 268435455) (< (mod (+ 46 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 33) 4294967296) 268435455) (< (mod (+ 6 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 17) 4294967296) 268435455) (< (mod (+ 3 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 40 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 31 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 21 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 37) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 12) 4294967296) 268435455) (< (mod (+ 23 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 1) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 20) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 26) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 11) 4294967296) 268435455) (< (mod (+ 16 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 45) 4294967296) 268435455) (< (mod (+ 42 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 38) 4294967296) 268435455) (< (mod (+ 22 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 9 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 24) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 39) 4294967296) 268435455) (< (mod (+ 35 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 10) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 36) 4294967296) 268435455) (< (mod (+ 14 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 4) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 27) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 13) 4294967296) 268435455) (< (mod (+ 29 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 15) 4294967296) 268435455) (< (mod (+ 32 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 7 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod |c_ULTIMATE.start_main_~v~0#1| 4294967296) 268435455) (< (mod (+ 19 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455)) is different from false [2021-12-07 01:37:27,650 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 18) 4294967296) 268435455) (< (mod (+ 30 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 43) 4294967296) 268435455) (< (mod (+ 2 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 25) 4294967296) 268435455) (< (mod (+ 5 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 34) 4294967296) 268435455) (< (mod (+ 41 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 44 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 8) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 28) 4294967296) 268435455) (< (mod (+ 46 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 33) 4294967296) 268435455) (< (mod (+ 6 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 17) 4294967296) 268435455) (< (mod (+ 3 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 40 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 31 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 21 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 37) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 12) 4294967296) 268435455) (< (mod (+ 23 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 1) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 20) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 26) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 11) 4294967296) 268435455) (< (mod (+ 16 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 45) 4294967296) 268435455) (< (mod (+ 42 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 38) 4294967296) 268435455) (< (mod (+ 22 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 9 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 24) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 39) 4294967296) 268435455) (< (mod (+ 35 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 10) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 36) 4294967296) 268435455) (< (mod (+ 14 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 4) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 27) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 13) 4294967296) 268435455) (< (mod (+ 29 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 15) 4294967296) 268435455) (< (mod (+ 32 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 7 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 19 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455)) is different from false [2021-12-07 01:38:43,701 WARN L227 SmtUtils]: Spent 26.45s on a formula simplification. DAG size of input: 186 DAG size of output: 10 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 01:39:54,764 WARN L227 SmtUtils]: Spent 17.82s on a formula simplification. DAG size of input: 182 DAG size of output: 10 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 01:41:05,202 WARN L227 SmtUtils]: Spent 7.71s on a formula simplification. DAG size of input: 178 DAG size of output: 10 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 01:41:07,223 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 18) 4294967296) 268435455) (< (mod (+ 30 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 2 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 25) 4294967296) 268435455) (< (mod (+ 5 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 34) 4294967296) 268435455) (< (mod (+ 41 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 8) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 28) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 33) 4294967296) 268435455) (< (mod (+ 6 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 17) 4294967296) 268435455) (< (mod (+ 3 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 40 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 31 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 21 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 37) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 12) 4294967296) 268435455) (< (mod (+ 23 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 1) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 20) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 26) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 11) 4294967296) 268435455) (< (mod (+ 16 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 42 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 38) 4294967296) 268435455) (< (mod (+ 22 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 9 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 24) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 39) 4294967296) 268435455) (< (mod (+ 35 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 10) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 36) 4294967296) 268435455) (< (mod (+ 14 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 4) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 27) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 13) 4294967296) 268435455) (< (mod (+ 29 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 15) 4294967296) 268435455) (< (mod (+ 32 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 7 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod |c_ULTIMATE.start_main_~v~0#1| 4294967296) 268435455) (< (mod (+ 19 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455)) is different from false [2021-12-07 01:41:09,294 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 18) 4294967296) 268435455) (< (mod (+ 30 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 2 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 25) 4294967296) 268435455) (< (mod (+ 5 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 34) 4294967296) 268435455) (< (mod (+ 41 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 8) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 28) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 33) 4294967296) 268435455) (< (mod (+ 6 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 17) 4294967296) 268435455) (< (mod (+ 3 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 40 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 31 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 21 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 37) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 12) 4294967296) 268435455) (< (mod (+ 23 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 1) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 20) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 26) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 11) 4294967296) 268435455) (< (mod (+ 16 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 42 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 38) 4294967296) 268435455) (< (mod (+ 22 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 9 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 24) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 39) 4294967296) 268435455) (< (mod (+ 35 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 10) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 36) 4294967296) 268435455) (< (mod (+ 14 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 4) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 27) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 13) 4294967296) 268435455) (< (mod (+ 29 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 15) 4294967296) 268435455) (< (mod (+ 32 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 7 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 19 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455)) is different from false [2021-12-07 01:42:17,469 WARN L227 SmtUtils]: Spent 21.22s on a formula simplification. DAG size of input: 170 DAG size of output: 10 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 01:43:28,537 WARN L227 SmtUtils]: Spent 11.54s on a formula simplification. DAG size of input: 166 DAG size of output: 10 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 01:43:30,560 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 18) 4294967296) 268435455) (< (mod (+ 30 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 2 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 25) 4294967296) 268435455) (< (mod (+ 5 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 34) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 8) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 28) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 33) 4294967296) 268435455) (< (mod (+ 6 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 17) 4294967296) 268435455) (< (mod (+ 3 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 31 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 21 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 37) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 12) 4294967296) 268435455) (< (mod (+ 23 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 1) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 20) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 26) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 11) 4294967296) 268435455) (< (mod (+ 16 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 38) 4294967296) 268435455) (< (mod (+ 22 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 9 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 24) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 39) 4294967296) 268435455) (< (mod (+ 35 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 10) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 36) 4294967296) 268435455) (< (mod (+ 14 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 4) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 27) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 13) 4294967296) 268435455) (< (mod (+ 29 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 15) 4294967296) 268435455) (< (mod (+ 32 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 7 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod |c_ULTIMATE.start_main_~v~0#1| 4294967296) 268435455) (< (mod (+ 19 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455)) is different from false [2021-12-07 01:44:40,366 WARN L227 SmtUtils]: Spent 13.83s on a formula simplification. DAG size of input: 160 DAG size of output: 12 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 01:44:42,389 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 18) 4294967296) 268435455) (< (mod (+ 30 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 2 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 25) 4294967296) 268435455) (< (mod (+ 5 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 34) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 8) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 28) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 33) 4294967296) 268435455) (< (mod (+ 6 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 17) 4294967296) 268435455) (< (mod (+ 3 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 31 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 21 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 37) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 12) 4294967296) 268435455) (< (mod (+ 23 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 1) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 20) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 26) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 11) 4294967296) 268435455) (< (mod (+ 16 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 38) 4294967296) 268435455) (< (mod (+ 22 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 9 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 24) 4294967296) 268435455) (< (mod (+ 35 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 10) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 36) 4294967296) 268435455) (< (mod (+ 14 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 4) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 27) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 13) 4294967296) 268435455) (< (mod (+ 29 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 15) 4294967296) 268435455) (< (mod (+ 32 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 7 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod |c_ULTIMATE.start_main_~v~0#1| 4294967296) 268435455) (< (mod (+ 19 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455)) is different from false [2021-12-07 01:44:44,399 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 18) 4294967296) 268435455) (< (mod (+ 30 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 2 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 25) 4294967296) 268435455) (< (mod (+ 5 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 34) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 8) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 28) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 33) 4294967296) 268435455) (< (mod (+ 6 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 17) 4294967296) 268435455) (< (mod (+ 3 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 31 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 21 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 37) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 12) 4294967296) 268435455) (< (mod (+ 23 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 1) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 20) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 26) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 11) 4294967296) 268435455) (< (mod (+ 16 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 38) 4294967296) 268435455) (< (mod (+ 22 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 9 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 24) 4294967296) 268435455) (< (mod (+ 35 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 10) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 36) 4294967296) 268435455) (< (mod (+ 14 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 4) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 27) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 13) 4294967296) 268435455) (< (mod (+ 29 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 15) 4294967296) 268435455) (< (mod (+ 32 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 7 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 19 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455)) is different from false [2021-12-07 01:45:52,813 WARN L227 SmtUtils]: Spent 13.64s on a formula simplification. DAG size of input: 154 DAG size of output: 10 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 01:47:02,202 WARN L227 SmtUtils]: Spent 9.81s on a formula simplification. DAG size of input: 150 DAG size of output: 10 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 01:47:04,234 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 18) 4294967296) 268435455) (< (mod (+ 30 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 2 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 25) 4294967296) 268435455) (< (mod (+ 5 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 34) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 8) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 28) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 33) 4294967296) 268435455) (< (mod (+ 6 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 17) 4294967296) 268435455) (< (mod (+ 3 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 31 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 21 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 12) 4294967296) 268435455) (< (mod (+ 23 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 1) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 20) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 26) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 11) 4294967296) 268435455) (< (mod (+ 16 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 22 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 9 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 24) 4294967296) 268435455) (< (mod (+ 35 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 10) 4294967296) 268435455) (< (mod (+ 14 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 4) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 27) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 13) 4294967296) 268435455) (< (mod (+ 29 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ |c_ULTIMATE.start_main_~v~0#1| 15) 4294967296) 268435455) (< (mod (+ 32 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod (+ 7 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455) (< (mod |c_ULTIMATE.start_main_~v~0#1| 4294967296) 268435455) (< (mod (+ 19 |c_ULTIMATE.start_main_~v~0#1|) 4294967296) 268435455)) is different from false