./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/java_Sequence.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/java_Sequence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4c7fd2dfb73ccf40686976b843bd7f2e1f45b17323a2ffa706fb90cccb1bab75 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:12:11,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:12:11,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:12:11,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:12:11,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:12:11,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:12:11,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:12:11,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:12:11,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:12:11,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:12:11,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:12:11,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:12:11,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:12:11,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:12:11,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:12:11,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:12:11,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:12:11,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:12:11,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:12:11,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:12:11,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:12:11,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:12:11,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:12:11,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:12:11,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:12:11,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:12:11,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:12:11,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:12:11,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:12:11,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:12:11,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:12:11,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:12:11,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:12:11,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:12:11,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:12:11,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:12:11,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:12:11,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:12:11,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:12:11,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:12:11,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:12:11,736 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-23 02:12:11,789 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:12:11,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:12:11,790 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:12:11,790 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:12:11,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:12:11,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:12:11,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:12:11,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:12:11,793 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:12:11,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:12:11,794 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:12:11,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:12:11,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:12:11,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:12:11,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:12:11,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:12:11,796 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 02:12:11,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:12:11,796 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:12:11,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:12:11,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:12:11,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:12:11,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:12:11,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:12:11,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:12:11,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:12:11,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:12:11,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:12:11,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:12:11,800 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:12:11,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:12:11,800 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:12:11,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:12:11,801 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c7fd2dfb73ccf40686976b843bd7f2e1f45b17323a2ffa706fb90cccb1bab75 [2022-11-23 02:12:12,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:12:12,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:12:12,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:12:12,148 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:12:12,148 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:12:12,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/termination-restricted-15/java_Sequence.c [2022-11-23 02:12:15,812 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:12:16,074 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:12:16,075 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/sv-benchmarks/c/termination-restricted-15/java_Sequence.c [2022-11-23 02:12:16,082 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/data/634d9ff6c/b8e03efcfa764c6ab079e85d8c3bd486/FLAGaa0fcb2a1 [2022-11-23 02:12:16,108 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/data/634d9ff6c/b8e03efcfa764c6ab079e85d8c3bd486 [2022-11-23 02:12:16,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:12:16,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:12:16,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:12:16,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:12:16,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:12:16,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:12:16" (1/1) ... [2022-11-23 02:12:16,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@390bfd57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:16, skipping insertion in model container [2022-11-23 02:12:16,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:12:16" (1/1) ... [2022-11-23 02:12:16,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:12:16,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:12:16,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:12:16,348 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:12:16,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:12:16,381 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:12:16,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:16 WrapperNode [2022-11-23 02:12:16,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:12:16,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:12:16,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:12:16,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:12:16,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:16" (1/1) ... [2022-11-23 02:12:16,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:16" (1/1) ... [2022-11-23 02:12:16,421 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2022-11-23 02:12:16,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:12:16,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:12:16,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:12:16,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:12:16,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:16" (1/1) ... [2022-11-23 02:12:16,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:16" (1/1) ... [2022-11-23 02:12:16,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:16" (1/1) ... [2022-11-23 02:12:16,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:16" (1/1) ... [2022-11-23 02:12:16,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:16" (1/1) ... [2022-11-23 02:12:16,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:16" (1/1) ... [2022-11-23 02:12:16,442 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:16" (1/1) ... [2022-11-23 02:12:16,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:16" (1/1) ... [2022-11-23 02:12:16,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:12:16,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:12:16,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:12:16,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:12:16,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:16" (1/1) ... [2022-11-23 02:12:16,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:12:16,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:12:16,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:12:16,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:12:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:12:16,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:12:16,654 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:12:16,657 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:12:16,772 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:12:16,779 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:12:16,780 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 02:12:16,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:12:16 BoogieIcfgContainer [2022-11-23 02:12:16,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:12:16,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:12:16,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:12:16,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:12:16,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:12:16" (1/3) ... [2022-11-23 02:12:16,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5515cc09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:12:16, skipping insertion in model container [2022-11-23 02:12:16,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:16" (2/3) ... [2022-11-23 02:12:16,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5515cc09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:12:16, skipping insertion in model container [2022-11-23 02:12:16,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:12:16" (3/3) ... [2022-11-23 02:12:16,794 INFO L112 eAbstractionObserver]: Analyzing ICFG java_Sequence.c [2022-11-23 02:12:16,819 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:12:16,819 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-23 02:12:16,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:12:16,890 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6373631, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:12:16,891 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-23 02:12:16,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.75) internal successors, (28), 24 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) [2022-11-23 02:12:16,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 02:12:16,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:12:16,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 02:12:16,905 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:12:16,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:12:16,912 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2022-11-23 02:12:16,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:12:16,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351989824] [2022-11-23 02:12:16,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:16,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:12:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:17,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:17,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:12:17,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351989824] [2022-11-23 02:12:17,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351989824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:12:17,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:12:17,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:12:17,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308060526] [2022-11-23 02:12:17,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:12:17,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:12:17,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:12:17,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:12:17,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:12:17,243 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.75) internal successors, (28), 24 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-23 02:12:17,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:12:17,284 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2022-11-23 02:12:17,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:12:17,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-11-23 02:12:17,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:12:17,303 INFO L225 Difference]: With dead ends: 38 [2022-11-23 02:12:17,303 INFO L226 Difference]: Without dead ends: 19 [2022-11-23 02:12:17,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:12:17,319 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 19 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:12:17,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 19 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:12:17,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-23 02:12:17,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-23 02:12:17,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:12:17,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2022-11-23 02:12:17,391 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 4 [2022-11-23 02:12:17,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:12:17,391 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2022-11-23 02:12:17,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-23 02:12:17,392 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2022-11-23 02:12:17,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 02:12:17,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:12:17,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 02:12:17,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:12:17,394 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:12:17,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:12:17,395 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2022-11-23 02:12:17,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:12:17,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127161544] [2022-11-23 02:12:17,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:17,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:12:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:17,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:17,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:12:17,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127161544] [2022-11-23 02:12:17,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127161544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:12:17,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:12:17,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:12:17,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687472998] [2022-11-23 02:12:17,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:12:17,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:12:17,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:12:17,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:12:17,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:12:17,470 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-23 02:12:17,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:12:17,501 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2022-11-23 02:12:17,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:12:17,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-11-23 02:12:17,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:12:17,504 INFO L225 Difference]: With dead ends: 28 [2022-11-23 02:12:17,504 INFO L226 Difference]: Without dead ends: 26 [2022-11-23 02:12:17,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:12:17,507 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 4 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:12:17,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 29 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:12:17,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-23 02:12:17,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-23 02:12:17,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.4) internal successors, (28), 25 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) [2022-11-23 02:12:17,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-11-23 02:12:17,516 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 5 [2022-11-23 02:12:17,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:12:17,517 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-11-23 02:12:17,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-23 02:12:17,517 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-23 02:12:17,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 02:12:17,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:12:17,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 02:12:17,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 02:12:17,519 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:12:17,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:12:17,521 INFO L85 PathProgramCache]: Analyzing trace with hash 889691398, now seen corresponding path program 1 times [2022-11-23 02:12:17,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:12:17,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593986171] [2022-11-23 02:12:17,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:17,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:12:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:17,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:12:17,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593986171] [2022-11-23 02:12:17,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593986171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:12:17,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:12:17,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:12:17,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416867767] [2022-11-23 02:12:17,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:12:17,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:12:17,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:12:17,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:12:17,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:12:17,580 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-23 02:12:17,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:12:17,604 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2022-11-23 02:12:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:12:17,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-11-23 02:12:17,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:12:17,606 INFO L225 Difference]: With dead ends: 26 [2022-11-23 02:12:17,606 INFO L226 Difference]: Without dead ends: 25 [2022-11-23 02:12:17,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:12:17,611 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:12:17,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 15 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:12:17,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-23 02:12:17,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-23 02:12:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.35) internal successors, (27), 24 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:12:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2022-11-23 02:12:17,623 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 6 [2022-11-23 02:12:17,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:12:17,624 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2022-11-23 02:12:17,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-23 02:12:17,624 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2022-11-23 02:12:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 02:12:17,625 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:12:17,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:12:17,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 02:12:17,626 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:12:17,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:12:17,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629611, now seen corresponding path program 1 times [2022-11-23 02:12:17,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:12:17,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863317327] [2022-11-23 02:12:17,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:17,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:12:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:17,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:12:17,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863317327] [2022-11-23 02:12:17,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863317327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:12:17,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:12:17,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:12:17,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843150960] [2022-11-23 02:12:17,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:12:17,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:12:17,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:12:17,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:12:17,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:12:17,679 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-23 02:12:17,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:12:17,705 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2022-11-23 02:12:17,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:12:17,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-11-23 02:12:17,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:12:17,707 INFO L225 Difference]: With dead ends: 36 [2022-11-23 02:12:17,707 INFO L226 Difference]: Without dead ends: 23 [2022-11-23 02:12:17,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:12:17,710 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:12:17,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:12:17,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-23 02:12:17,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-23 02:12:17,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 22 states have internal predecessors, (24), 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) [2022-11-23 02:12:17,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2022-11-23 02:12:17,718 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 7 [2022-11-23 02:12:17,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:12:17,718 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2022-11-23 02:12:17,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-23 02:12:17,719 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2022-11-23 02:12:17,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 02:12:17,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:12:17,720 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-23 02:12:17,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 02:12:17,721 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:12:17,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:12:17,722 INFO L85 PathProgramCache]: Analyzing trace with hash -27488384, now seen corresponding path program 1 times [2022-11-23 02:12:17,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:12:17,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833691319] [2022-11-23 02:12:17,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:17,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:12:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:17,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:12:17,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833691319] [2022-11-23 02:12:17,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833691319] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:12:17,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204307190] [2022-11-23 02:12:17,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:17,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:12:17,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:12:17,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:12:17,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 02:12:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:17,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 02:12:17,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:12:17,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:17,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:12:18,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:18,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204307190] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:12:18,027 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:12:18,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-11-23 02:12:18,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446536074] [2022-11-23 02:12:18,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:12:18,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:12:18,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:12:18,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:12:18,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:12:18,029 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:12:18,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:12:18,161 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2022-11-23 02:12:18,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 02:12:18,162 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-23 02:12:18,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:12:18,163 INFO L225 Difference]: With dead ends: 60 [2022-11-23 02:12:18,163 INFO L226 Difference]: Without dead ends: 58 [2022-11-23 02:12:18,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:12:18,165 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 39 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 02:12:18,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 60 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 02:12:18,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-23 02:12:18,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 52. [2022-11-23 02:12:18,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 51 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:12:18,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2022-11-23 02:12:18,184 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 10 [2022-11-23 02:12:18,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:12:18,185 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2022-11-23 02:12:18,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:12:18,186 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-11-23 02:12:18,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 02:12:18,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:12:18,187 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1] [2022-11-23 02:12:18,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 02:12:18,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:12:18,394 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:12:18,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:12:18,395 INFO L85 PathProgramCache]: Analyzing trace with hash -646531742, now seen corresponding path program 1 times [2022-11-23 02:12:18,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:12:18,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740495273] [2022-11-23 02:12:18,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:18,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:12:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:18,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 02:12:18,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:12:18,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740495273] [2022-11-23 02:12:18,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740495273] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:12:18,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:12:18,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:12:18,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713940163] [2022-11-23 02:12:18,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:12:18,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:12:18,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:12:18,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:12:18,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:12:18,490 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:12:18,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:12:18,519 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2022-11-23 02:12:18,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:12:18,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 02:12:18,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:12:18,521 INFO L225 Difference]: With dead ends: 52 [2022-11-23 02:12:18,521 INFO L226 Difference]: Without dead ends: 51 [2022-11-23 02:12:18,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:12:18,531 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:12:18,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 25 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:12:18,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-23 02:12:18,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-23 02:12:18,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 50 states have internal predecessors, (59), 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) [2022-11-23 02:12:18,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2022-11-23 02:12:18,548 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 12 [2022-11-23 02:12:18,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:12:18,548 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2022-11-23 02:12:18,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:12:18,551 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2022-11-23 02:12:18,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 02:12:18,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:12:18,552 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:12:18,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 02:12:18,552 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:12:18,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:12:18,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1384852765, now seen corresponding path program 1 times [2022-11-23 02:12:18,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:12:18,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963442708] [2022-11-23 02:12:18,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:18,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:12:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:18,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:18,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:12:18,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963442708] [2022-11-23 02:12:18,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963442708] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:12:18,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210278247] [2022-11-23 02:12:18,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:18,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:12:18,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:12:18,658 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:12:18,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 02:12:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:18,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:12:18,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:12:18,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 02:12:18,740 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:12:18,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210278247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:12:18,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:12:18,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 02:12:18,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590189130] [2022-11-23 02:12:18,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:12:18,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:12:18,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:12:18,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:12:18,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:12:18,743 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-23 02:12:18,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:12:18,767 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2022-11-23 02:12:18,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:12:18,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2022-11-23 02:12:18,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:12:18,769 INFO L225 Difference]: With dead ends: 51 [2022-11-23 02:12:18,769 INFO L226 Difference]: Without dead ends: 50 [2022-11-23 02:12:18,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:12:18,788 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 3 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:12:18,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:12:18,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-23 02:12:18,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-23 02:12:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 49 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) [2022-11-23 02:12:18,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2022-11-23 02:12:18,803 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 13 [2022-11-23 02:12:18,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:12:18,803 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2022-11-23 02:12:18,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-23 02:12:18,803 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2022-11-23 02:12:18,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 02:12:18,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:12:18,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:12:18,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 02:12:19,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-23 02:12:19,012 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:12:19,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:12:19,013 INFO L85 PathProgramCache]: Analyzing trace with hash -19237175, now seen corresponding path program 1 times [2022-11-23 02:12:19,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:12:19,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714791040] [2022-11-23 02:12:19,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:19,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:12:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:19,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:19,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:12:19,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714791040] [2022-11-23 02:12:19,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714791040] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:12:19,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228949048] [2022-11-23 02:12:19,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:19,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:12:19,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:12:19,056 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:12:19,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 02:12:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:19,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:12:19,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:12:19,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 02:12:19,119 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:12:19,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228949048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:12:19,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:12:19,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 02:12:19,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447394859] [2022-11-23 02:12:19,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:12:19,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:12:19,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:12:19,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:12:19,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:12:19,125 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:12:19,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:12:19,160 INFO L93 Difference]: Finished difference Result 65 states and 72 transitions. [2022-11-23 02:12:19,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:12:19,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-23 02:12:19,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:12:19,161 INFO L225 Difference]: With dead ends: 65 [2022-11-23 02:12:19,162 INFO L226 Difference]: Without dead ends: 64 [2022-11-23 02:12:19,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:12:19,163 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:12:19,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 26 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:12:19,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-23 02:12:19,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2022-11-23 02:12:19,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 60 states have (on average 1.15) internal successors, (69), 62 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:12:19,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2022-11-23 02:12:19,173 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 14 [2022-11-23 02:12:19,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:12:19,174 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2022-11-23 02:12:19,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:12:19,174 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2022-11-23 02:12:19,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 02:12:19,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:12:19,175 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:12:19,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 02:12:19,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:12:19,381 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:12:19,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:12:19,382 INFO L85 PathProgramCache]: Analyzing trace with hash -272291815, now seen corresponding path program 1 times [2022-11-23 02:12:19,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:12:19,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386451219] [2022-11-23 02:12:19,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:19,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:12:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:19,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 02:12:19,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:12:19,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386451219] [2022-11-23 02:12:19,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386451219] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:12:19,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711753498] [2022-11-23 02:12:19,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:19,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:12:19,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:12:19,474 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:12:19,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 02:12:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:19,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:12:19,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:12:19,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 02:12:19,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:12:19,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711753498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:12:19,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:12:19,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 02:12:19,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912384705] [2022-11-23 02:12:19,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:12:19,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:12:19,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:12:19,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:12:19,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:12:19,542 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:12:19,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:12:19,561 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2022-11-23 02:12:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:12:19,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-23 02:12:19,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:12:19,566 INFO L225 Difference]: With dead ends: 63 [2022-11-23 02:12:19,566 INFO L226 Difference]: Without dead ends: 62 [2022-11-23 02:12:19,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:12:19,570 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:12:19,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:12:19,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-23 02:12:19,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 49. [2022-11-23 02:12:19,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 47 states have (on average 1.127659574468085) internal successors, (53), 48 states have internal predecessors, (53), 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) [2022-11-23 02:12:19,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2022-11-23 02:12:19,586 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 19 [2022-11-23 02:12:19,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:12:19,587 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2022-11-23 02:12:19,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:12:19,587 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2022-11-23 02:12:19,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 02:12:19,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:12:19,588 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1] [2022-11-23 02:12:19,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 02:12:19,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:12:19,794 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:12:19,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:12:19,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1232254711, now seen corresponding path program 2 times [2022-11-23 02:12:19,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:12:19,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954054674] [2022-11-23 02:12:19,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:19,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:12:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:19,913 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:19,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:12:19,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954054674] [2022-11-23 02:12:19,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954054674] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:12:19,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585814886] [2022-11-23 02:12:19,914 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 02:12:19,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:12:19,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:12:19,915 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:12:19,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 02:12:19,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 02:12:19,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:12:19,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 02:12:19,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:12:20,001 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:20,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:12:20,104 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:20,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585814886] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:12:20,104 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:12:20,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-11-23 02:12:20,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684351587] [2022-11-23 02:12:20,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:12:20,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 02:12:20,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:12:20,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 02:12:20,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-11-23 02:12:20,106 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:12:20,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:12:20,200 INFO L93 Difference]: Finished difference Result 117 states and 137 transitions. [2022-11-23 02:12:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 02:12:20,201 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-23 02:12:20,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:12:20,201 INFO L225 Difference]: With dead ends: 117 [2022-11-23 02:12:20,201 INFO L226 Difference]: Without dead ends: 115 [2022-11-23 02:12:20,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-11-23 02:12:20,202 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 158 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 02:12:20,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 91 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 02:12:20,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-11-23 02:12:20,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2022-11-23 02:12:20,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 113 states have (on average 1.1061946902654867) internal successors, (125), 114 states have internal predecessors, (125), 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) [2022-11-23 02:12:20,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 125 transitions. [2022-11-23 02:12:20,231 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 125 transitions. Word has length 25 [2022-11-23 02:12:20,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:12:20,231 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 125 transitions. [2022-11-23 02:12:20,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:12:20,231 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2022-11-23 02:12:20,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-23 02:12:20,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:12:20,236 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1] [2022-11-23 02:12:20,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 02:12:20,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 02:12:20,441 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:12:20,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:12:20,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1715294249, now seen corresponding path program 3 times [2022-11-23 02:12:20,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:12:20,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176646184] [2022-11-23 02:12:20,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:20,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:12:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:20,763 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:20,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:12:20,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176646184] [2022-11-23 02:12:20,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176646184] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:12:20,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519112033] [2022-11-23 02:12:20,764 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 02:12:20,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:12:20,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:12:20,765 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:12:20,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 02:12:20,828 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-23 02:12:20,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:12:20,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 02:12:20,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:12:20,936 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:20,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:12:21,321 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:21,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519112033] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:12:21,322 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:12:21,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2022-11-23 02:12:21,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408895632] [2022-11-23 02:12:21,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:12:21,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-23 02:12:21,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:12:21,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-23 02:12:21,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-11-23 02:12:21,325 INFO L87 Difference]: Start difference. First operand 115 states and 125 transitions. Second operand has 24 states, 23 states have (on average 4.739130434782608) internal successors, (109), 24 states have internal predecessors, (109), 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) [2022-11-23 02:12:21,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:12:21,595 INFO L93 Difference]: Finished difference Result 249 states and 293 transitions. [2022-11-23 02:12:21,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-23 02:12:21,596 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.739130434782608) internal successors, (109), 24 states have internal predecessors, (109), 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 55 [2022-11-23 02:12:21,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:12:21,599 INFO L225 Difference]: With dead ends: 249 [2022-11-23 02:12:21,600 INFO L226 Difference]: Without dead ends: 247 [2022-11-23 02:12:21,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-11-23 02:12:21,601 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 308 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 02:12:21,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 191 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 02:12:21,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-11-23 02:12:21,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2022-11-23 02:12:21,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 245 states have (on average 1.0979591836734695) internal successors, (269), 246 states have internal predecessors, (269), 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) [2022-11-23 02:12:21,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 269 transitions. [2022-11-23 02:12:21,635 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 269 transitions. Word has length 55 [2022-11-23 02:12:21,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:12:21,636 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 269 transitions. [2022-11-23 02:12:21,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.739130434782608) internal successors, (109), 24 states have internal predecessors, (109), 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) [2022-11-23 02:12:21,636 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 269 transitions. [2022-11-23 02:12:21,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-23 02:12:21,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:12:21,645 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1] [2022-11-23 02:12:21,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 02:12:21,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-23 02:12:21,851 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:12:21,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:12:21,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1975011735, now seen corresponding path program 4 times [2022-11-23 02:12:21,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:12:21,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840109626] [2022-11-23 02:12:21,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:21,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:12:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:22,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:12:22,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840109626] [2022-11-23 02:12:22,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840109626] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:12:22,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720565875] [2022-11-23 02:12:22,743 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 02:12:22,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:12:22,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:12:22,747 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:12:22,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 02:12:22,853 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 02:12:22,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:12:22,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-23 02:12:22,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:12:23,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:23,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:12:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:24,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720565875] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:12:24,336 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:12:24,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2022-11-23 02:12:24,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782178812] [2022-11-23 02:12:24,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:12:24,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-23 02:12:24,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:12:24,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-23 02:12:24,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-11-23 02:12:24,341 INFO L87 Difference]: Start difference. First operand 247 states and 269 transitions. Second operand has 48 states, 47 states have (on average 4.872340425531915) internal successors, (229), 48 states have internal predecessors, (229), 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) [2022-11-23 02:12:25,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:12:25,017 INFO L93 Difference]: Finished difference Result 513 states and 605 transitions. [2022-11-23 02:12:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-23 02:12:25,019 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.872340425531915) internal successors, (229), 48 states have internal predecessors, (229), 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 115 [2022-11-23 02:12:25,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:12:25,024 INFO L225 Difference]: With dead ends: 513 [2022-11-23 02:12:25,024 INFO L226 Difference]: Without dead ends: 511 [2022-11-23 02:12:25,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-11-23 02:12:25,027 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 840 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 02:12:25,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 383 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 02:12:25,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2022-11-23 02:12:25,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2022-11-23 02:12:25,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 509 states have (on average 1.0943025540275049) internal successors, (557), 510 states have internal predecessors, (557), 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) [2022-11-23 02:12:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 557 transitions. [2022-11-23 02:12:25,066 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 557 transitions. Word has length 115 [2022-11-23 02:12:25,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:12:25,067 INFO L495 AbstractCegarLoop]: Abstraction has 511 states and 557 transitions. [2022-11-23 02:12:25,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.872340425531915) internal successors, (229), 48 states have internal predecessors, (229), 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) [2022-11-23 02:12:25,068 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 557 transitions. [2022-11-23 02:12:25,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-23 02:12:25,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:12:25,079 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 1, 1, 1] [2022-11-23 02:12:25,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-23 02:12:25,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:12:25,285 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:12:25,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:12:25,285 INFO L85 PathProgramCache]: Analyzing trace with hash -721558807, now seen corresponding path program 5 times [2022-11-23 02:12:25,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:12:25,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134153474] [2022-11-23 02:12:25,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:25,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:12:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:28,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:12:28,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134153474] [2022-11-23 02:12:28,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134153474] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:12:28,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349042741] [2022-11-23 02:12:28,103 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-23 02:12:28,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:12:28,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:12:28,105 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:12:28,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 02:12:28,273 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-11-23 02:12:28,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:12:28,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-23 02:12:28,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:12:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:28,701 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:12:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:32,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349042741] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:12:32,376 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:12:32,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2022-11-23 02:12:32,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927097736] [2022-11-23 02:12:32,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:12:32,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-11-23 02:12:32,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:12:32,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-11-23 02:12:32,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2022-11-23 02:12:32,384 INFO L87 Difference]: Start difference. First operand 511 states and 557 transitions. Second operand has 96 states, 95 states have (on average 4.936842105263158) internal successors, (469), 96 states have internal predecessors, (469), 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) [2022-11-23 02:12:35,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:12:35,496 INFO L93 Difference]: Finished difference Result 1041 states and 1229 transitions. [2022-11-23 02:12:35,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-11-23 02:12:35,498 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 4.936842105263158) internal successors, (469), 96 states have internal predecessors, (469), 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 235 [2022-11-23 02:12:35,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:12:35,503 INFO L225 Difference]: With dead ends: 1041 [2022-11-23 02:12:35,503 INFO L226 Difference]: Without dead ends: 1039 [2022-11-23 02:12:35,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2022-11-23 02:12:35,506 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 2496 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2496 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 02:12:35,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2496 Valid, 769 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [498 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 02:12:35,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2022-11-23 02:12:35,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2022-11-23 02:12:35,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1037 states have (on average 1.0925747348119577) internal successors, (1133), 1038 states have internal predecessors, (1133), 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) [2022-11-23 02:12:35,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1133 transitions. [2022-11-23 02:12:35,543 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1133 transitions. Word has length 235 [2022-11-23 02:12:35,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:12:35,543 INFO L495 AbstractCegarLoop]: Abstraction has 1039 states and 1133 transitions. [2022-11-23 02:12:35,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 4.936842105263158) internal successors, (469), 96 states have internal predecessors, (469), 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) [2022-11-23 02:12:35,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1133 transitions. [2022-11-23 02:12:35,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2022-11-23 02:12:35,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:12:35,556 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 94, 1, 1, 1] [2022-11-23 02:12:35,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-23 02:12:35,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:12:35,763 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:12:35,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:12:35,763 INFO L85 PathProgramCache]: Analyzing trace with hash -122700823, now seen corresponding path program 6 times [2022-11-23 02:12:35,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:12:35,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444230630] [2022-11-23 02:12:35,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:12:35,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:12:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:12:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:44,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:12:44,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444230630] [2022-11-23 02:12:44,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444230630] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:12:44,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008048548] [2022-11-23 02:12:44,995 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-23 02:12:44,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:12:44,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:12:44,998 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:12:45,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-23 02:12:45,344 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2022-11-23 02:12:45,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:12:45,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 96 conjunts are in the unsatisfiable core [2022-11-23 02:12:45,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:12:46,216 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:46,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:12:58,014 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:12:58,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008048548] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:12:58,014 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:12:58,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2022-11-23 02:12:58,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674678766] [2022-11-23 02:12:58,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:12:58,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2022-11-23 02:12:58,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:12:58,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2022-11-23 02:12:58,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2022-11-23 02:12:58,030 INFO L87 Difference]: Start difference. First operand 1039 states and 1133 transitions. Second operand has 192 states, 191 states have (on average 4.968586387434555) internal successors, (949), 192 states have internal predecessors, (949), 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) [2022-11-23 02:13:22,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:13:22,623 INFO L93 Difference]: Finished difference Result 2097 states and 2477 transitions. [2022-11-23 02:13:22,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2022-11-23 02:13:22,623 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 4.968586387434555) internal successors, (949), 192 states have internal predecessors, (949), 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 475 [2022-11-23 02:13:22,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:13:22,630 INFO L225 Difference]: With dead ends: 2097 [2022-11-23 02:13:22,631 INFO L226 Difference]: Without dead ends: 2095 [2022-11-23 02:13:22,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1044 GetRequests, 854 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2022-11-23 02:13:22,641 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 5226 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 1032 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5226 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 1810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1032 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-23 02:13:22,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5226 Valid, 1539 Invalid, 1810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1032 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-23 02:13:22,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2022-11-23 02:13:22,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2095. [2022-11-23 02:13:22,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2095 states, 2093 states have (on average 1.0917343526039178) internal successors, (2285), 2094 states have internal predecessors, (2285), 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) [2022-11-23 02:13:22,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 2095 states and 2285 transitions. [2022-11-23 02:13:22,709 INFO L78 Accepts]: Start accepts. Automaton has 2095 states and 2285 transitions. Word has length 475 [2022-11-23 02:13:22,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:13:22,710 INFO L495 AbstractCegarLoop]: Abstraction has 2095 states and 2285 transitions. [2022-11-23 02:13:22,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 4.968586387434555) internal successors, (949), 192 states have internal predecessors, (949), 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) [2022-11-23 02:13:22,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2285 transitions. [2022-11-23 02:13:22,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2022-11-23 02:13:22,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:13:22,751 INFO L195 NwaCegarLoop]: trace histogram [191, 191, 190, 190, 190, 1, 1, 1] [2022-11-23 02:13:22,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-23 02:13:22,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:13:22,961 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:13:22,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:13:22,962 INFO L85 PathProgramCache]: Analyzing trace with hash -685150743, now seen corresponding path program 7 times [2022-11-23 02:13:22,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:13:22,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982847140] [2022-11-23 02:13:22,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:13:22,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:13:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:13:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 90345 backedges. 0 proven. 90345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:13:52,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:13:52,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982847140] [2022-11-23 02:13:52,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982847140] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:13:52,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286377491] [2022-11-23 02:13:52,997 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-23 02:13:52,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:13:52,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:13:53,002 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:13:53,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-23 02:13:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:13:53,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 1720 conjuncts, 102 conjunts are in the unsatisfiable core [2022-11-23 02:13:53,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:14:06,950 INFO L134 CoverageAnalysis]: Checked inductivity of 90345 backedges. 70140 proven. 0 refuted. 0 times theorem prover too weak. 20205 trivial. 0 not checked. [2022-11-23 02:14:06,950 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:14:06,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286377491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:14:06,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:14:06,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [103] imperfect sequences [192] total 294 [2022-11-23 02:14:06,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392761311] [2022-11-23 02:14:06,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:14:06,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2022-11-23 02:14:06,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:14:06,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2022-11-23 02:14:06,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23780, Invalid=62362, Unknown=0, NotChecked=0, Total=86142 [2022-11-23 02:14:06,967 INFO L87 Difference]: Start difference. First operand 2095 states and 2285 transitions. Second operand has 103 states, 103 states have (on average 4.941747572815534) internal successors, (509), 103 states have internal predecessors, (509), 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) [2022-11-23 02:14:08,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:14:08,550 INFO L93 Difference]: Finished difference Result 2544 states and 2734 transitions. [2022-11-23 02:14:08,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-11-23 02:14:08,551 INFO L78 Accepts]: Start accepts. Automaton has has 103 states, 103 states have (on average 4.941747572815534) internal successors, (509), 103 states have internal predecessors, (509), 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 955 [2022-11-23 02:14:08,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:14:08,559 INFO L225 Difference]: With dead ends: 2544 [2022-11-23 02:14:08,559 INFO L226 Difference]: Without dead ends: 1552 [2022-11-23 02:14:08,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1146 GetRequests, 854 SyntacticMatches, 0 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19190 ImplicationChecksByTransitivity, 27.4s TimeCoverageRelationStatistics Valid=23780, Invalid=62362, Unknown=0, NotChecked=0, Total=86142 [2022-11-23 02:14:08,574 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 21 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 1655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-23 02:14:08,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1047 Invalid, 1655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1651 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-23 02:14:08,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2022-11-23 02:14:08,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1552. [2022-11-23 02:14:08,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1552 states, 1551 states have (on average 1.064474532559639) internal successors, (1651), 1551 states have internal predecessors, (1651), 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) [2022-11-23 02:14:08,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 1651 transitions. [2022-11-23 02:14:08,631 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 1651 transitions. Word has length 955 [2022-11-23 02:14:08,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:14:08,632 INFO L495 AbstractCegarLoop]: Abstraction has 1552 states and 1651 transitions. [2022-11-23 02:14:08,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 4.941747572815534) internal successors, (509), 103 states have internal predecessors, (509), 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) [2022-11-23 02:14:08,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1651 transitions. [2022-11-23 02:14:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2022-11-23 02:14:08,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:14:08,642 INFO L195 NwaCegarLoop]: trace histogram [190, 190, 189, 189, 189, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:14:08,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-23 02:14:08,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-23 02:14:08,849 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:14:08,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:14:08,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1542061399, now seen corresponding path program 1 times [2022-11-23 02:14:08,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:14:08,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478849660] [2022-11-23 02:14:08,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:14:08,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:14:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:14:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 89398 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 89397 trivial. 0 not checked. [2022-11-23 02:14:09,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:14:09,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478849660] [2022-11-23 02:14:09,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478849660] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:14:09,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839551901] [2022-11-23 02:14:09,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:14:09,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:14:09,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:14:09,286 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:14:09,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-23 02:14:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:14:09,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 02:14:09,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:14:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 89398 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 89397 trivial. 0 not checked. [2022-11-23 02:14:09,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:14:09,746 INFO L134 CoverageAnalysis]: Checked inductivity of 89398 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 89397 trivial. 0 not checked. [2022-11-23 02:14:09,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839551901] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:14:09,747 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:14:09,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-11-23 02:14:09,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900630044] [2022-11-23 02:14:09,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:14:09,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:14:09,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:14:09,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:14:09,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:14:09,751 INFO L87 Difference]: Start difference. First operand 1552 states and 1651 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 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) [2022-11-23 02:14:09,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:14:09,805 INFO L93 Difference]: Finished difference Result 2486 states and 2585 transitions. [2022-11-23 02:14:09,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 02:14:09,805 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 957 [2022-11-23 02:14:09,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:14:09,810 INFO L225 Difference]: With dead ends: 2486 [2022-11-23 02:14:09,810 INFO L226 Difference]: Without dead ends: 1534 [2022-11-23 02:14:09,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1916 GetRequests, 1912 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:14:09,813 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 16 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:14:09,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 50 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:14:09,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2022-11-23 02:14:09,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1534. [2022-11-23 02:14:09,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1534 states, 1533 states have (on average 1.0632746249184606) internal successors, (1630), 1533 states have internal predecessors, (1630), 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) [2022-11-23 02:14:09,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 1630 transitions. [2022-11-23 02:14:09,870 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 1630 transitions. Word has length 957 [2022-11-23 02:14:09,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:14:09,871 INFO L495 AbstractCegarLoop]: Abstraction has 1534 states and 1630 transitions. [2022-11-23 02:14:09,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 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) [2022-11-23 02:14:09,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1630 transitions. [2022-11-23 02:14:09,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2022-11-23 02:14:09,880 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:14:09,881 INFO L195 NwaCegarLoop]: trace histogram [187, 187, 186, 186, 186, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2022-11-23 02:14:09,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-23 02:14:10,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-23 02:14:10,090 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:14:10,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:14:10,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1333782768, now seen corresponding path program 2 times [2022-11-23 02:14:10,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:14:10,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710077852] [2022-11-23 02:14:10,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:14:10,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:14:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:14:10,619 INFO L134 CoverageAnalysis]: Checked inductivity of 86617 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 86583 trivial. 0 not checked. [2022-11-23 02:14:10,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:14:10,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710077852] [2022-11-23 02:14:10,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710077852] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:14:10,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209104627] [2022-11-23 02:14:10,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 02:14:10,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:14:10,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:14:10,622 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:14:10,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-23 02:14:10,926 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 02:14:10,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:14:10,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 02:14:10,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:14:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 86617 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 86583 trivial. 0 not checked. [2022-11-23 02:14:10,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:14:11,101 INFO L134 CoverageAnalysis]: Checked inductivity of 86617 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 86583 trivial. 0 not checked. [2022-11-23 02:14:11,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209104627] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:14:11,101 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:14:11,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2022-11-23 02:14:11,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523930021] [2022-11-23 02:14:11,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:14:11,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 02:14:11,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:14:11,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 02:14:11,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-11-23 02:14:11,105 INFO L87 Difference]: Start difference. First operand 1534 states and 1630 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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) [2022-11-23 02:14:11,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:14:11,178 INFO L93 Difference]: Finished difference Result 2438 states and 2534 transitions. [2022-11-23 02:14:11,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 02:14:11,179 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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 957 [2022-11-23 02:14:11,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:14:11,183 INFO L225 Difference]: With dead ends: 2438 [2022-11-23 02:14:11,184 INFO L226 Difference]: Without dead ends: 1498 [2022-11-23 02:14:11,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1919 GetRequests, 1909 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-11-23 02:14:11,186 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 40 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:14:11,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 62 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:14:11,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2022-11-23 02:14:11,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1498. [2022-11-23 02:14:11,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1498 states, 1497 states have (on average 1.0607882431529727) internal successors, (1588), 1497 states have internal predecessors, (1588), 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) [2022-11-23 02:14:11,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1498 states and 1588 transitions. [2022-11-23 02:14:11,239 INFO L78 Accepts]: Start accepts. Automaton has 1498 states and 1588 transitions. Word has length 957 [2022-11-23 02:14:11,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:14:11,239 INFO L495 AbstractCegarLoop]: Abstraction has 1498 states and 1588 transitions. [2022-11-23 02:14:11,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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) [2022-11-23 02:14:11,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1588 transitions. [2022-11-23 02:14:11,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2022-11-23 02:14:11,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:14:11,249 INFO L195 NwaCegarLoop]: trace histogram [181, 181, 180, 180, 180, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2022-11-23 02:14:11,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-23 02:14:11,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-23 02:14:11,458 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:14:11,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:14:11,459 INFO L85 PathProgramCache]: Analyzing trace with hash 2002097648, now seen corresponding path program 3 times [2022-11-23 02:14:11,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:14:11,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719675112] [2022-11-23 02:14:11,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:14:11,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:14:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:14:12,294 INFO L134 CoverageAnalysis]: Checked inductivity of 81325 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 81090 trivial. 0 not checked. [2022-11-23 02:14:12,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:14:12,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719675112] [2022-11-23 02:14:12,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719675112] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:14:12,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226381528] [2022-11-23 02:14:12,295 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 02:14:12,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:14:12,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:14:12,309 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:14:12,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-23 02:14:12,440 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-23 02:14:12,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:14:12,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 02:14:12,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:14:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 81325 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 81090 trivial. 0 not checked. [2022-11-23 02:14:12,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:14:12,894 INFO L134 CoverageAnalysis]: Checked inductivity of 81325 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 81090 trivial. 0 not checked. [2022-11-23 02:14:12,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226381528] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:14:12,894 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:14:12,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 24 [2022-11-23 02:14:12,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616105381] [2022-11-23 02:14:12,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:14:12,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-23 02:14:12,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:14:12,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-23 02:14:12,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-11-23 02:14:12,898 INFO L87 Difference]: Start difference. First operand 1498 states and 1588 transitions. Second operand has 24 states, 24 states have (on average 4.666666666666667) internal successors, (112), 24 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) [2022-11-23 02:14:13,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:14:13,059 INFO L93 Difference]: Finished difference Result 2342 states and 2432 transitions. [2022-11-23 02:14:13,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-23 02:14:13,060 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.666666666666667) internal successors, (112), 24 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) Word has length 957 [2022-11-23 02:14:13,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:14:13,065 INFO L225 Difference]: With dead ends: 2342 [2022-11-23 02:14:13,066 INFO L226 Difference]: Without dead ends: 1426 [2022-11-23 02:14:13,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1925 GetRequests, 1903 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-11-23 02:14:13,068 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 88 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 02:14:13,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 70 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 02:14:13,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2022-11-23 02:14:13,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1426. [2022-11-23 02:14:13,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1425 states have (on average 1.055438596491228) internal successors, (1504), 1425 states have internal predecessors, (1504), 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) [2022-11-23 02:14:13,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 1504 transitions. [2022-11-23 02:14:13,122 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 1504 transitions. Word has length 957 [2022-11-23 02:14:13,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:14:13,123 INFO L495 AbstractCegarLoop]: Abstraction has 1426 states and 1504 transitions. [2022-11-23 02:14:13,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.666666666666667) internal successors, (112), 24 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) [2022-11-23 02:14:13,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1504 transitions. [2022-11-23 02:14:13,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2022-11-23 02:14:13,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:14:13,134 INFO L195 NwaCegarLoop]: trace histogram [169, 169, 168, 168, 168, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2022-11-23 02:14:13,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-23 02:14:13,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-23 02:14:13,340 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:14:13,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:14:13,341 INFO L85 PathProgramCache]: Analyzing trace with hash -692294736, now seen corresponding path program 4 times [2022-11-23 02:14:13,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:14:13,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805580479] [2022-11-23 02:14:13,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:14:13,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:14:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:14:15,053 INFO L134 CoverageAnalysis]: Checked inductivity of 71821 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 70644 trivial. 0 not checked. [2022-11-23 02:14:15,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:14:15,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805580479] [2022-11-23 02:14:15,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805580479] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:14:15,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474831401] [2022-11-23 02:14:15,054 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 02:14:15,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:14:15,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:14:15,059 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:14:15,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-23 02:14:15,373 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 02:14:15,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:14:15,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-23 02:14:15,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:14:15,616 INFO L134 CoverageAnalysis]: Checked inductivity of 71821 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 70644 trivial. 0 not checked. [2022-11-23 02:14:15,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:14:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 71821 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 70644 trivial. 0 not checked. [2022-11-23 02:14:16,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474831401] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:14:16,529 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:14:16,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 48 [2022-11-23 02:14:16,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510133416] [2022-11-23 02:14:16,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:14:16,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-23 02:14:16,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:14:16,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-23 02:14:16,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-11-23 02:14:16,533 INFO L87 Difference]: Start difference. First operand 1426 states and 1504 transitions. Second operand has 48 states, 48 states have (on average 4.833333333333333) internal successors, (232), 48 states have internal predecessors, (232), 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) [2022-11-23 02:14:16,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:14:16,763 INFO L93 Difference]: Finished difference Result 2150 states and 2228 transitions. [2022-11-23 02:14:16,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-23 02:14:16,764 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 4.833333333333333) internal successors, (232), 48 states have internal predecessors, (232), 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 957 [2022-11-23 02:14:16,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:14:16,768 INFO L225 Difference]: With dead ends: 2150 [2022-11-23 02:14:16,769 INFO L226 Difference]: Without dead ends: 1282 [2022-11-23 02:14:16,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1937 GetRequests, 1891 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-11-23 02:14:16,771 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 276 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 02:14:16,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 110 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 02:14:16,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2022-11-23 02:14:16,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1282. [2022-11-23 02:14:16,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.0429352068696331) internal successors, (1336), 1281 states have internal predecessors, (1336), 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) [2022-11-23 02:14:16,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1336 transitions. [2022-11-23 02:14:16,813 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1336 transitions. Word has length 957 [2022-11-23 02:14:16,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:14:16,814 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 1336 transitions. [2022-11-23 02:14:16,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.833333333333333) internal successors, (232), 48 states have internal predecessors, (232), 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) [2022-11-23 02:14:16,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1336 transitions. [2022-11-23 02:14:16,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2022-11-23 02:14:16,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:14:16,823 INFO L195 NwaCegarLoop]: trace histogram [145, 145, 144, 144, 144, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2022-11-23 02:14:16,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-23 02:14:17,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:14:17,031 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 02:14:17,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:14:17,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1241417936, now seen corresponding path program 5 times [2022-11-23 02:14:17,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:14:17,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292043616] [2022-11-23 02:14:17,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:14:17,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:14:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:14:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 57133 backedges. 0 proven. 5221 refuted. 0 times theorem prover too weak. 51912 trivial. 0 not checked. [2022-11-23 02:14:20,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:14:20,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292043616] [2022-11-23 02:14:20,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292043616] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:14:20,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808601932] [2022-11-23 02:14:20,362 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-23 02:14:20,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:14:20,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:14:20,366 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:14:20,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-23 02:14:21,375 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 145 check-sat command(s) [2022-11-23 02:14:21,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:14:21,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 145 conjunts are in the unsatisfiable core [2022-11-23 02:14:21,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:14:34,450 INFO L134 CoverageAnalysis]: Checked inductivity of 57133 backedges. 51910 proven. 0 refuted. 0 times theorem prover too weak. 5223 trivial. 0 not checked. [2022-11-23 02:14:34,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 02:14:34,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808601932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:14:34,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 02:14:34,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [146] imperfect sequences [49] total 193 [2022-11-23 02:14:34,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708244216] [2022-11-23 02:14:34,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:14:34,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2022-11-23 02:14:34,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:14:34,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2022-11-23 02:14:34,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11760, Invalid=25296, Unknown=0, NotChecked=0, Total=37056 [2022-11-23 02:14:34,459 INFO L87 Difference]: Start difference. First operand 1282 states and 1336 transitions. Second operand has 146 states, 146 states have (on average 5.006849315068493) internal successors, (731), 146 states have internal predecessors, (731), 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) [2022-11-23 02:14:34,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:14:34,576 INFO L93 Difference]: Finished difference Result 2956 states and 3010 transitions. [2022-11-23 02:14:34,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 02:14:34,577 INFO L78 Accepts]: Start accepts. Automaton has has 146 states, 146 states have (on average 5.006849315068493) internal successors, (731), 146 states have internal predecessors, (731), 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 957 [2022-11-23 02:14:34,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:14:34,578 INFO L225 Difference]: With dead ends: 2956 [2022-11-23 02:14:34,578 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 02:14:34,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1005 GetRequests, 814 SyntacticMatches, 0 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6624 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=11760, Invalid=25296, Unknown=0, NotChecked=0, Total=37056 [2022-11-23 02:14:34,586 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 02:14:34,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 02:14:34,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 02:14:34,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 02:14:34,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-23 02:14:34,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 02:14:34,588 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 957 [2022-11-23 02:14:34,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:14:34,588 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 02:14:34,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 5.006849315068493) internal successors, (731), 146 states have internal predecessors, (731), 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) [2022-11-23 02:14:34,590 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 02:14:34,590 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 02:14:34,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-23 02:14:34,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-23 02:14:34,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-23 02:14:34,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-23 02:14:34,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-23 02:14:34,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-23 02:14:34,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-23 02:14:34,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-23 02:14:34,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-23 02:14:34,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:14:34,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 02:14:42,212 WARN L233 SmtUtils]: Spent 7.01s on a formula simplification. DAG size of input: 629 DAG size of output: 534 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:14:50,485 WARN L233 SmtUtils]: Spent 5.71s on a formula simplification. DAG size of input: 534 DAG size of output: 45 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-23 02:14:50,488 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2022-11-23 02:14:50,488 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 02:14:50,489 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2022-11-23 02:14:50,489 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2022-11-23 02:14:50,489 INFO L895 garLoopResultBuilder]: At program point L19(lines 5 20) the Hoare annotation is: (<= 0 |ULTIMATE.start_main_~c~0#1|) [2022-11-23 02:14:50,489 INFO L899 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2022-11-23 02:14:50,489 INFO L899 garLoopResultBuilder]: For program point L17-1(line 17) no Hoare annotation was computed. [2022-11-23 02:14:50,492 INFO L895 garLoopResultBuilder]: At program point L15-2(lines 15 18) the Hoare annotation is: (let ((.cse0 (<= 5 |ULTIMATE.start_main_~j~0#1|)) (.cse1 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse2 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse3 (<= 100 |ULTIMATE.start_main_~i~0#1|))) (or (and (<= 23 |ULTIMATE.start_main_~j~0#1|) .cse0 .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483564)) (and (< |ULTIMATE.start_main_~c~0#1| 2147483558) .cse0 .cse1 .cse2 .cse3) (and (< |ULTIMATE.start_main_~c~0#1| 2147483560) .cse0 .cse1 .cse2 .cse3 (<= 11 |ULTIMATE.start_main_~j~0#1|)) (and (<= 17 |ULTIMATE.start_main_~j~0#1|) (< |ULTIMATE.start_main_~c~0#1| 2147483562) .cse0 .cse1 .cse2 .cse3) (and (<= 14 |ULTIMATE.start_main_~j~0#1|) .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483561) .cse1 .cse2 .cse3) (and (<= 20 |ULTIMATE.start_main_~j~0#1|) .cse0 .cse1 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483563)) (and (<= 8 |ULTIMATE.start_main_~j~0#1|) (< |ULTIMATE.start_main_~c~0#1| 2147483559) .cse0 .cse1 .cse2 .cse3))) [2022-11-23 02:14:50,492 INFO L899 garLoopResultBuilder]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2022-11-23 02:14:50,492 INFO L899 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2022-11-23 02:14:50,492 INFO L899 garLoopResultBuilder]: For program point L11-1(line 11) no Hoare annotation was computed. [2022-11-23 02:14:50,492 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2022-11-23 02:14:50,492 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 02:14:50,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2022-11-23 02:14:50,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2022-11-23 02:14:50,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 02:14:50,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2022-11-23 02:14:50,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 02:14:50,493 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2022-11-23 02:14:50,493 INFO L899 garLoopResultBuilder]: For program point L16-1(line 16) no Hoare annotation was computed. [2022-11-23 02:14:50,493 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2022-11-23 02:14:50,493 INFO L899 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2022-11-23 02:14:50,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2022-11-23 02:14:50,495 INFO L895 garLoopResultBuilder]: At program point L10-2(lines 10 13) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~c~0#1|))) (or (and (<= 12 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 12)) (and (<= |ULTIMATE.start_main_~c~0#1| 76) (<= 76 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~c~0#1| 89) (<= 89 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= 57 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 57)) (and (<= |ULTIMATE.start_main_~c~0#1| 56) .cse0 (<= 56 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 25) .cse0 (<= 25 |ULTIMATE.start_main_~i~0#1|)) (and (<= 88 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 88)) (and .cse0 (<= 41 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 41)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 73) (<= 73 |ULTIMATE.start_main_~i~0#1|)) (and (<= 91 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 91)) (and (< |ULTIMATE.start_main_~c~0#1| 2147483557) .cse0 (<= 99 |ULTIMATE.start_main_~i~0#1|)) (and (<= 83 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 83)) (and .cse0 (<= 34 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 34)) (and (<= |ULTIMATE.start_main_~c~0#1| 43) (<= 43 |ULTIMATE.start_main_~i~0#1|) .cse0) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 61) .cse0 (<= 61 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 20) (<= 20 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 38) .cse0 (<= 38 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 42) (<= 42 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= 90 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 90)) (and (<= 47 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 47) .cse0) (and (<= 72 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 72) .cse0) (and (<= 49 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 49)) (and (<= 35 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 35) .cse0) (and (<= |ULTIMATE.start_main_~c~0#1| 45) .cse0 (<= 45 |ULTIMATE.start_main_~i~0#1|)) (and (<= 98 |ULTIMATE.start_main_~i~0#1|) .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483556)) (and (<= |ULTIMATE.start_main_~c~0#1| 87) (<= 87 |ULTIMATE.start_main_~i~0#1|) .cse0) (and .cse0 (<= 26 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 26)) (and (<= 44 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 44)) (and .cse0 (<= 94 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 94)) (and (<= 79 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 79) .cse0) (and (<= |ULTIMATE.start_main_~c~0#1| 50) .cse0 (<= 50 |ULTIMATE.start_main_~i~0#1|)) (and (<= 52 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 52) .cse0) (and (<= 58 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 58)) (and (<= |ULTIMATE.start_main_~c~0#1| 66) (<= 66 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~c~0#1| 24) .cse0 (<= 24 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 6) (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and (<= 97 |ULTIMATE.start_main_~i~0#1|) .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483555)) (and (<= 84 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 84)) (and (<= 36 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 36) .cse0) (and .cse0 (<= 78 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 78)) (and (<= |ULTIMATE.start_main_~c~0#1| 4) .cse0 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 92) (<= 92 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= 28 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 28) .cse0) (and (<= 17 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 17)) (and (<= 7 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 7)) (and (<= |ULTIMATE.start_main_~c~0#1| 62) .cse0 (<= 62 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 16) (<= 16 |ULTIMATE.start_main_~i~0#1|)) (and (<= 23 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 23)) (and (<= |ULTIMATE.start_main_~c~0#1| 63) .cse0 (<= 63 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 51) (<= 51 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= 64 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 64) .cse0) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483554) (<= 96 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 21) (<= 21 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= 93 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 93)) (and (<= |ULTIMATE.start_main_~c~0#1| 65) .cse0 (<= 65 |ULTIMATE.start_main_~i~0#1|)) (and (<= 59 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 59)) (and (<= |ULTIMATE.start_main_~c~0#1| 53) (<= 53 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= 13 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 13)) (and .cse0 (<= 9 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 9)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 11) (<= 11 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 15) (<= 15 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_main_~c~0#1| 69) .cse0 (<= 69 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 74 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 74)) (and (<= |ULTIMATE.start_main_~c~0#1| 68) .cse0 (<= 68 |ULTIMATE.start_main_~i~0#1|)) (and (< |ULTIMATE.start_main_~c~0#1| 2147483558) .cse0 (<= 100 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 67 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 67)) (and (<= |ULTIMATE.start_main_~c~0#1| 54) .cse0 (<= 54 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 81) (<= 81 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 22) .cse0 (<= 22 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 2) (<= 2 |ULTIMATE.start_main_~i~0#1|)) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 1) .cse0) (and .cse0 (<= 85 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 85)) (and (<= 10 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 10) .cse0) (and (<= 29 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 29)) (and (<= |ULTIMATE.start_main_~c~0#1| 33) .cse0 (<= 33 |ULTIMATE.start_main_~i~0#1|)) (and (<= 82 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 82)) (and (<= 48 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 48) .cse0) (and (<= 55 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 55) .cse0) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 71) (<= 71 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 32) (<= 32 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 60) (<= 60 |ULTIMATE.start_main_~i~0#1|) .cse0) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 31) (<= 31 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 70) .cse0 (<= 70 |ULTIMATE.start_main_~i~0#1|)) (and (<= 86 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 86) .cse0) (and (<= 40 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 40)) (and (<= |ULTIMATE.start_main_~c~0#1| 14) (<= 14 |ULTIMATE.start_main_~i~0#1|) .cse0) (and .cse0 (<= 95 |ULTIMATE.start_main_~i~0#1|) (< |ULTIMATE.start_main_~c~0#1| 2147483553)) (and (<= |ULTIMATE.start_main_~c~0#1| 80) .cse0 (<= 80 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 5) (<= 5 |ULTIMATE.start_main_~i~0#1|) .cse0) (and .cse0 (<= 3 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 3)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 77) (<= 77 |ULTIMATE.start_main_~i~0#1|)) (and (<= 30 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 30)) (and (<= 37 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 37) .cse0) (and (<= |ULTIMATE.start_main_~c~0#1| 39) .cse0 (<= 39 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 8) (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 27) (<= 27 |ULTIMATE.start_main_~i~0#1|) .cse0) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 75) (<= 75 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 19) (<= 19 |ULTIMATE.start_main_~i~0#1|) .cse0) (and (<= 18 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 18)) (and .cse0 (<= 46 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 46)))) [2022-11-23 02:14:50,495 INFO L899 garLoopResultBuilder]: For program point L10-3(lines 10 13) no Hoare annotation was computed. [2022-11-23 02:14:50,499 INFO L444 BasicCegarLoop]: Path program histogram: [7, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:14:50,501 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:14:50,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:14:50 BoogieIcfgContainer [2022-11-23 02:14:50,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:14:50,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:14:50,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:14:50,543 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:14:50,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:12:16" (3/4) ... [2022-11-23 02:14:50,547 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 02:14:50,560 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-23 02:14:50,572 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 02:14:50,572 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 02:14:50,626 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 02:14:50,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:14:50,627 INFO L158 Benchmark]: Toolchain (without parser) took 154508.03ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 75.3MB in the beginning and 910.7MB in the end (delta: -835.4MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-11-23 02:14:50,627 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:14:50,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.56ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 66.1MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 02:14:50,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.70ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 64.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:14:50,628 INFO L158 Benchmark]: Boogie Preprocessor took 22.23ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 64.0MB in the end (delta: 899.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:14:50,629 INFO L158 Benchmark]: RCFGBuilder took 337.47ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 54.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 02:14:50,629 INFO L158 Benchmark]: TraceAbstraction took 153756.92ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 53.9MB in the beginning and 913.9MB in the end (delta: -860.0MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-11-23 02:14:50,630 INFO L158 Benchmark]: Witness Printer took 83.21ms. Allocated memory is still 2.3GB. Free memory was 913.9MB in the beginning and 910.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:14:50,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.56ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 66.1MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.70ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 64.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.23ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 64.0MB in the end (delta: 899.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 337.47ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 54.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 153756.92ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 53.9MB in the beginning and 913.9MB in the end (delta: -860.0MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 83.21ms. Allocated memory is still 2.3GB. Free memory was 913.9MB in the beginning and 910.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 153.6s, OverallIterations: 20, TraceHistogramMax: 191, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.1s, AutomataDifference: 31.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9550 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9550 mSDsluCounter, 4689 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4216 mSDsCounter, 1902 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3620 IncrementalHoareTripleChecker+Invalid, 5522 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1902 mSolverCounterUnsat, 473 mSDtfsCounter, 3620 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11920 GetRequests, 10975 SyntacticMatches, 0 SemanticMatches, 945 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25817 ImplicationChecksByTransitivity, 62.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2095occurred in iteration=14, InterpolantAutomatonStates: 604, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 20 MinimizatonAttempts, 20 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 490 NumberOfFragments, 1145 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2718 FormulaSimplificationTreeSizeReduction, 7.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 13098 FormulaSimplificationTreeSizeReductionInter, 8.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 97.4s InterpolantComputationTime, 13436 NumberOfCodeBlocks, 12586 NumberOfCodeBlocksAsserted, 343 NumberOfCheckSat, 18134 ConstructedInterpolants, 0 QuantifiedInterpolants, 29586 SizeOfPredicates, 0 NumberOfNonLiveVariables, 10544 ConjunctsInSsa, 487 ConjunctsInUnsatCore, 45 InterpolantComputations, 10 PerfectInterpolantSequences, 1182550/1369373 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((12 <= i && 0 <= c) && c <= 12) || ((c <= 76 && 76 <= i) && 0 <= c)) || ((c <= 89 && 89 <= i) && 0 <= c)) || ((57 <= i && 0 <= c) && c <= 57)) || ((c <= 56 && 0 <= c) && 56 <= i)) || ((c <= 25 && 0 <= c) && 25 <= i)) || ((88 <= i && 0 <= c) && c <= 88)) || ((0 <= c && 41 <= i) && c <= 41)) || ((0 <= c && c <= 73) && 73 <= i)) || ((91 <= i && 0 <= c) && c <= 91)) || ((c < 2147483557 && 0 <= c) && 99 <= i)) || ((83 <= i && 0 <= c) && c <= 83)) || ((0 <= c && 34 <= i) && c <= 34)) || ((c <= 43 && 43 <= i) && 0 <= c)) || ((0 <= c && c <= 0) && 0 <= i)) || ((c <= 61 && 0 <= c) && 61 <= i)) || ((0 <= c && c <= 20) && 20 <= i)) || ((c <= 38 && 0 <= c) && 38 <= i)) || ((c <= 42 && 42 <= i) && 0 <= c)) || ((90 <= i && 0 <= c) && c <= 90)) || ((47 <= i && c <= 47) && 0 <= c)) || ((72 <= i && c <= 72) && 0 <= c)) || ((49 <= i && 0 <= c) && c <= 49)) || ((35 <= i && c <= 35) && 0 <= c)) || ((c <= 45 && 0 <= c) && 45 <= i)) || ((98 <= i && 0 <= c) && c < 2147483556)) || ((c <= 87 && 87 <= i) && 0 <= c)) || ((0 <= c && 26 <= i) && c <= 26)) || ((44 <= i && 0 <= c) && c <= 44)) || ((0 <= c && 94 <= i) && c <= 94)) || ((79 <= i && c <= 79) && 0 <= c)) || ((c <= 50 && 0 <= c) && 50 <= i)) || ((52 <= i && c <= 52) && 0 <= c)) || ((58 <= i && 0 <= c) && c <= 58)) || ((c <= 66 && 66 <= i) && 0 <= c)) || ((c <= 24 && 0 <= c) && 24 <= i)) || ((0 <= c && c <= 6) && 6 <= i)) || ((97 <= i && 0 <= c) && c < 2147483555)) || ((84 <= i && 0 <= c) && c <= 84)) || ((36 <= i && c <= 36) && 0 <= c)) || ((0 <= c && 78 <= i) && c <= 78)) || ((c <= 4 && 0 <= c) && 4 <= i)) || ((c <= 92 && 92 <= i) && 0 <= c)) || ((28 <= i && c <= 28) && 0 <= c)) || ((17 <= i && 0 <= c) && c <= 17)) || ((7 <= i && 0 <= c) && c <= 7)) || ((c <= 62 && 0 <= c) && 62 <= i)) || ((0 <= c && c <= 16) && 16 <= i)) || ((23 <= i && 0 <= c) && c <= 23)) || ((c <= 63 && 0 <= c) && 63 <= i)) || ((c <= 51 && 51 <= i) && 0 <= c)) || ((64 <= i && c <= 64) && 0 <= c)) || ((0 <= c && c < 2147483554) && 96 <= i)) || ((c <= 21 && 21 <= i) && 0 <= c)) || ((93 <= i && 0 <= c) && c <= 93)) || ((c <= 65 && 0 <= c) && 65 <= i)) || ((59 <= i && 0 <= c) && c <= 59)) || ((c <= 53 && 53 <= i) && 0 <= c)) || ((13 <= i && 0 <= c) && c <= 13)) || ((0 <= c && 9 <= i) && c <= 9)) || ((0 <= c && c <= 11) && 11 <= i)) || ((c <= 15 && 15 <= i) && 0 <= c)) || ((c <= 69 && 0 <= c) && 69 <= i)) || ((0 <= c && 74 <= i) && c <= 74)) || ((c <= 68 && 0 <= c) && 68 <= i)) || ((c < 2147483558 && 0 <= c) && 100 <= i)) || ((0 <= c && 67 <= i) && c <= 67)) || ((c <= 54 && 0 <= c) && 54 <= i)) || ((0 <= c && c <= 81) && 81 <= i)) || ((c <= 22 && 0 <= c) && 22 <= i)) || ((0 <= c && c <= 2) && 2 <= i)) || ((1 <= i && c <= 1) && 0 <= c)) || ((0 <= c && 85 <= i) && c <= 85)) || ((10 <= i && c <= 10) && 0 <= c)) || ((29 <= i && 0 <= c) && c <= 29)) || ((c <= 33 && 0 <= c) && 33 <= i)) || ((82 <= i && 0 <= c) && c <= 82)) || ((48 <= i && c <= 48) && 0 <= c)) || ((55 <= i && c <= 55) && 0 <= c)) || ((0 <= c && c <= 71) && 71 <= i)) || ((0 <= c && c <= 32) && 32 <= i)) || ((c <= 60 && 60 <= i) && 0 <= c)) || ((0 <= c && c <= 31) && 31 <= i)) || ((c <= 70 && 0 <= c) && 70 <= i)) || ((86 <= i && c <= 86) && 0 <= c)) || ((40 <= i && 0 <= c) && c <= 40)) || ((c <= 14 && 14 <= i) && 0 <= c)) || ((0 <= c && 95 <= i) && c < 2147483553)) || ((c <= 80 && 0 <= c) && 80 <= i)) || ((c <= 5 && 5 <= i) && 0 <= c)) || ((0 <= c && 3 <= i) && c <= 3)) || ((0 <= c && c <= 77) && 77 <= i)) || ((30 <= i && 0 <= c) && c <= 30)) || ((37 <= i && c <= 37) && 0 <= c)) || ((c <= 39 && 0 <= c) && 39 <= i)) || ((0 <= c && c <= 8) && 8 <= i)) || ((c <= 27 && 27 <= i) && 0 <= c)) || ((0 <= c && c <= 75) && 75 <= i)) || ((c <= 19 && 19 <= i) && 0 <= c)) || ((18 <= i && 0 <= c) && c <= 18)) || ((0 <= c && 46 <= i) && c <= 46) - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 0 <= c - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: ((((((((((23 <= j && 5 <= j) && 0 <= c) && 0 <= i) && 100 <= i) && c < 2147483564) || ((((c < 2147483558 && 5 <= j) && 0 <= c) && 0 <= i) && 100 <= i)) || (((((c < 2147483560 && 5 <= j) && 0 <= c) && 0 <= i) && 100 <= i) && 11 <= j)) || (((((17 <= j && c < 2147483562) && 5 <= j) && 0 <= c) && 0 <= i) && 100 <= i)) || (((((14 <= j && 5 <= j) && c < 2147483561) && 0 <= c) && 0 <= i) && 100 <= i)) || (((((20 <= j && 5 <= j) && 0 <= c) && 0 <= i) && 100 <= i) && c < 2147483563)) || (((((8 <= j && c < 2147483559) && 5 <= j) && 0 <= c) && 0 <= i) && 100 <= i) RESULT: Ultimate proved your program to be correct! [2022-11-23 02:14:50,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf4b65d-b2f6-4575-840b-16e84aaf36ec/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE