./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8 --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 90eaf2e76e590922119d90e478fc764e383193134f46d6fe59bc98f3ce7c6611 --- 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-2329fc7 [2022-12-13 21:51:43,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:51:43,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:51:43,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:51:43,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:51:43,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:51:43,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:51:43,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:51:43,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:51:43,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:51:43,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:51:43,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:51:43,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:51:43,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:51:43,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:51:43,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:51:43,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:51:43,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:51:43,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:51:43,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:51:43,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:51:43,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:51:43,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:51:43,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:51:43,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:51:43,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:51:43,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:51:43,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:51:43,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:51:43,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:51:43,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:51:43,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:51:43,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:51:43,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:51:43,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:51:43,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:51:43,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:51:43,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:51:43,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:51:43,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:51:43,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:51:43,803 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 21:51:43,825 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:51:43,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:51:43,825 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:51:43,825 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:51:43,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:51:43,826 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:51:43,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:51:43,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:51:43,833 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:51:43,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:51:43,833 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:51:43,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:51:43,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:51:43,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:51:43,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:51:43,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:51:43,834 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 21:51:43,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:51:43,835 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:51:43,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:51:43,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:51:43,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:51:43,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:51:43,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:51:43,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:51:43,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:51:43,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:51:43,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:51:43,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:51:43,837 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:51:43,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:51:43,837 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:51:43,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:51:43,838 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:51:43,838 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_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90eaf2e76e590922119d90e478fc764e383193134f46d6fe59bc98f3ce7c6611 [2022-12-13 21:51:44,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:51:44,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:51:44,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:51:44,056 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:51:44,056 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:51:44,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2022-12-13 21:51:46,688 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:51:46,859 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:51:46,859 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2022-12-13 21:51:46,870 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/data/c2b61b831/79005e2d45cc4e1e8dda99374463ab69/FLAG178995f7d [2022-12-13 21:51:46,880 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/data/c2b61b831/79005e2d45cc4e1e8dda99374463ab69 [2022-12-13 21:51:46,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:51:46,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:51:46,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:51:46,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:51:46,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:51:46,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:51:46" (1/1) ... [2022-12-13 21:51:46,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f29cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:46, skipping insertion in model container [2022-12-13 21:51:46,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:51:46" (1/1) ... [2022-12-13 21:51:46,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:51:46,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:51:47,275 WARN L623 FunctionHandler]: Unknown extern function dirname [2022-12-13 21:51:47,275 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:51:47,276 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-13 21:51:47,298 WARN L623 FunctionHandler]: Unknown extern function getopt [2022-12-13 21:51:47,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:51:47,319 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:51:47,347 WARN L623 FunctionHandler]: Unknown extern function dirname [2022-12-13 21:51:47,347 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:51:47,348 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-13 21:51:47,361 WARN L623 FunctionHandler]: Unknown extern function getopt [2022-12-13 21:51:47,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:51:47,409 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:51:47,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:47 WrapperNode [2022-12-13 21:51:47,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:51:47,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:51:47,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:51:47,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:51:47,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:47" (1/1) ... [2022-12-13 21:51:47,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:47" (1/1) ... [2022-12-13 21:51:47,451 INFO L138 Inliner]: procedures = 345, calls = 111, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 271 [2022-12-13 21:51:47,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:51:47,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:51:47,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:51:47,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:51:47,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:47" (1/1) ... [2022-12-13 21:51:47,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:47" (1/1) ... [2022-12-13 21:51:47,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:47" (1/1) ... [2022-12-13 21:51:47,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:47" (1/1) ... [2022-12-13 21:51:47,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:47" (1/1) ... [2022-12-13 21:51:47,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:47" (1/1) ... [2022-12-13 21:51:47,474 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:47" (1/1) ... [2022-12-13 21:51:47,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:47" (1/1) ... [2022-12-13 21:51:47,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:51:47,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:51:47,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:51:47,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:51:47,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:47" (1/1) ... [2022-12-13 21:51:47,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:51:47,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:51:47,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:51:47,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:51:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 21:51:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 21:51:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 21:51:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:51:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:51:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:51:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-12-13 21:51:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 21:51:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2022-12-13 21:51:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:51:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 21:51:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:51:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:51:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:51:47,659 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:51:47,661 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:51:47,929 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:51:47,935 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:51:47,935 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-12-13 21:51:47,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:51:47 BoogieIcfgContainer [2022-12-13 21:51:47,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:51:47,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:51:47,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:51:47,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:51:47,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:51:46" (1/3) ... [2022-12-13 21:51:47,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699f72dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:51:47, skipping insertion in model container [2022-12-13 21:51:47,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:47" (2/3) ... [2022-12-13 21:51:47,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699f72dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:51:47, skipping insertion in model container [2022-12-13 21:51:47,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:51:47" (3/3) ... [2022-12-13 21:51:47,947 INFO L112 eAbstractionObserver]: Analyzing ICFG dirname-1.i [2022-12-13 21:51:47,962 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:51:47,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-12-13 21:51:47,998 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:51:48,002 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;@27fce809, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:51:48,003 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-12-13 21:51:48,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 62 states have (on average 1.7741935483870968) internal successors, (110), 86 states have internal predecessors, (110), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:48,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-13 21:51:48,011 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:48,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-13 21:51:48,011 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:48,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:48,015 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-12-13 21:51:48,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:48,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398595429] [2022-12-13 21:51:48,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:48,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:48,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:51:48,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:48,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398595429] [2022-12-13 21:51:48,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398595429] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:51:48,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:51:48,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:51:48,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323551588] [2022-12-13 21:51:48,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:51:48,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:51:48,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:48,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:51:48,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:48,231 INFO L87 Difference]: Start difference. First operand has 89 states, 62 states have (on average 1.7741935483870968) internal successors, (110), 86 states have internal predecessors, (110), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) 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) [2022-12-13 21:51:48,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:48,269 INFO L93 Difference]: Finished difference Result 176 states and 223 transitions. [2022-12-13 21:51:48,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:51:48,271 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 [2022-12-13 21:51:48,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:48,276 INFO L225 Difference]: With dead ends: 176 [2022-12-13 21:51:48,276 INFO L226 Difference]: Without dead ends: 88 [2022-12-13 21:51:48,278 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 [2022-12-13 21:51:48,280 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 1 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:48,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 198 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:48,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-12-13 21:51:48,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-12-13 21:51:48,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 62 states have (on average 1.6290322580645162) internal successors, (101), 85 states have internal predecessors, (101), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:48,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 103 transitions. [2022-12-13 21:51:48,309 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 103 transitions. Word has length 4 [2022-12-13 21:51:48,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:48,309 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 103 transitions. [2022-12-13 21:51:48,309 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) [2022-12-13 21:51:48,309 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 103 transitions. [2022-12-13 21:51:48,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 21:51:48,309 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:48,310 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2022-12-13 21:51:48,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:51:48,310 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:48,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:48,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1809705867, now seen corresponding path program 1 times [2022-12-13 21:51:48,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:48,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731179737] [2022-12-13 21:51:48,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:48,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:48,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:51:48,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:48,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731179737] [2022-12-13 21:51:48,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731179737] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:51:48,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294783113] [2022-12-13 21:51:48,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:48,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:48,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:51:48,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:51:48,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 21:51:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:48,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:51:48,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:51:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:51:48,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:51:48,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294783113] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:51:48,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:51:48,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-12-13 21:51:48,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5109399] [2022-12-13 21:51:48,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:51:48,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:51:48,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:48,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:51:48,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:51:48,563 INFO L87 Difference]: Start difference. First operand 88 states and 103 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2022-12-13 21:51:48,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:48,592 INFO L93 Difference]: Finished difference Result 88 states and 103 transitions. [2022-12-13 21:51:48,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:51:48,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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 [2022-12-13 21:51:48,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:48,593 INFO L225 Difference]: With dead ends: 88 [2022-12-13 21:51:48,594 INFO L226 Difference]: Without dead ends: 87 [2022-12-13 21:51:48,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:51:48,595 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 179 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:48,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 99 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:48,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-12-13 21:51:48,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-12-13 21:51:48,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 62 states have (on average 1.6129032258064515) internal successors, (100), 84 states have internal predecessors, (100), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:48,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 102 transitions. [2022-12-13 21:51:48,605 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 102 transitions. Word has length 7 [2022-12-13 21:51:48,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:48,605 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 102 transitions. [2022-12-13 21:51:48,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2022-12-13 21:51:48,605 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2022-12-13 21:51:48,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 21:51:48,606 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:48,606 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2022-12-13 21:51:48,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 21:51:48,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:48,807 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:48,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:48,809 INFO L85 PathProgramCache]: Analyzing trace with hash 266307074, now seen corresponding path program 1 times [2022-12-13 21:51:48,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:48,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885375518] [2022-12-13 21:51:48,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:48,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 21:51:48,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:48,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885375518] [2022-12-13 21:51:48,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885375518] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:51:48,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:51:48,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:51:48,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919655642] [2022-12-13 21:51:48,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:51:48,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:51:48,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:48,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:51:48,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:48,953 INFO L87 Difference]: Start difference. First operand 87 states and 102 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-13 21:51:48,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:48,971 INFO L93 Difference]: Finished difference Result 87 states and 102 transitions. [2022-12-13 21:51:48,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:51:48,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-12-13 21:51:48,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:48,973 INFO L225 Difference]: With dead ends: 87 [2022-12-13 21:51:48,973 INFO L226 Difference]: Without dead ends: 86 [2022-12-13 21:51:48,974 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 [2022-12-13 21:51:48,975 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 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 [2022-12-13 21:51:48,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:48,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-12-13 21:51:48,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2022-12-13 21:51:48,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 60 states have (on average 1.6166666666666667) internal successors, (97), 81 states have internal predecessors, (97), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:48,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 99 transitions. [2022-12-13 21:51:48,984 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 99 transitions. Word has length 8 [2022-12-13 21:51:48,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:48,984 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 99 transitions. [2022-12-13 21:51:48,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-13 21:51:48,985 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 99 transitions. [2022-12-13 21:51:48,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 21:51:48,985 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:48,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:48,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:51:48,986 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:48,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:48,986 INFO L85 PathProgramCache]: Analyzing trace with hash -2076280791, now seen corresponding path program 1 times [2022-12-13 21:51:48,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:48,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113227066] [2022-12-13 21:51:48,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:48,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:49,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 21:51:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:51:49,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:49,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113227066] [2022-12-13 21:51:49,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113227066] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:51:49,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041345419] [2022-12-13 21:51:49,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:49,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:49,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:51:49,069 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:51:49,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 21:51:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:49,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:51:49,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:51:49,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:51:49,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:51:49,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:51:49,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041345419] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:51:49,183 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:51:49,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-12-13 21:51:49,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556523361] [2022-12-13 21:51:49,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:51:49,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 21:51:49,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:49,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 21:51:49,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:51:49,186 INFO L87 Difference]: Start difference. First operand 84 states and 99 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 21:51:49,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:49,216 INFO L93 Difference]: Finished difference Result 171 states and 203 transitions. [2022-12-13 21:51:49,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:51:49,217 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2022-12-13 21:51:49,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:49,217 INFO L225 Difference]: With dead ends: 171 [2022-12-13 21:51:49,218 INFO L226 Difference]: Without dead ends: 93 [2022-12-13 21:51:49,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:51:49,219 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 4 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:49,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 281 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:49,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-12-13 21:51:49,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-12-13 21:51:49,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 69 states have (on average 1.536231884057971) internal successors, (106), 90 states have internal predecessors, (106), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:49,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 108 transitions. [2022-12-13 21:51:49,227 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 108 transitions. Word has length 13 [2022-12-13 21:51:49,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:49,228 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 108 transitions. [2022-12-13 21:51:49,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 21:51:49,228 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 108 transitions. [2022-12-13 21:51:49,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 21:51:49,229 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:49,229 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:49,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 21:51:49,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:49,431 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:49,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:49,432 INFO L85 PathProgramCache]: Analyzing trace with hash 981896675, now seen corresponding path program 2 times [2022-12-13 21:51:49,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:49,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331133505] [2022-12-13 21:51:49,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:49,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:49,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:51:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:49,625 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 21:51:49,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:49,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331133505] [2022-12-13 21:51:49,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331133505] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:51:49,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:51:49,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:51:49,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009980163] [2022-12-13 21:51:49,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:51:49,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:51:49,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:49,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:51:49,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:49,627 INFO L87 Difference]: Start difference. First operand 93 states and 108 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:49,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:49,652 INFO L93 Difference]: Finished difference Result 93 states and 108 transitions. [2022-12-13 21:51:49,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:51:49,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-12-13 21:51:49,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:49,653 INFO L225 Difference]: With dead ends: 93 [2022-12-13 21:51:49,654 INFO L226 Difference]: Without dead ends: 91 [2022-12-13 21:51:49,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:49,654 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 84 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:49,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 94 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:49,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-12-13 21:51:49,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-12-13 21:51:49,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 88 states have internal predecessors, (104), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:49,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 106 transitions. [2022-12-13 21:51:49,660 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 106 transitions. Word has length 22 [2022-12-13 21:51:49,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:49,660 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 106 transitions. [2022-12-13 21:51:49,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:49,660 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2022-12-13 21:51:49,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 21:51:49,660 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:49,661 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:49,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 21:51:49,661 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:49,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:49,661 INFO L85 PathProgramCache]: Analyzing trace with hash 374025907, now seen corresponding path program 1 times [2022-12-13 21:51:49,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:49,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140235814] [2022-12-13 21:51:49,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:49,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:49,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:51:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:49,751 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:51:49,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:49,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140235814] [2022-12-13 21:51:49,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140235814] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:51:49,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509015005] [2022-12-13 21:51:49,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:49,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:49,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:51:49,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:51:49,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 21:51:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:49,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 21:51:49,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:51:49,876 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:51:49,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:51:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:51:49,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509015005] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:51:49,940 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:51:49,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-12-13 21:51:49,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049462803] [2022-12-13 21:51:49,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:51:49,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 21:51:49,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:49,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 21:51:49,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-12-13 21:51:49,942 INFO L87 Difference]: Start difference. First operand 91 states and 106 transitions. Second operand has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 21:51:49,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:49,991 INFO L93 Difference]: Finished difference Result 185 states and 220 transitions. [2022-12-13 21:51:49,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 21:51:49,992 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-12-13 21:51:49,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:49,993 INFO L225 Difference]: With dead ends: 185 [2022-12-13 21:51:49,993 INFO L226 Difference]: Without dead ends: 109 [2022-12-13 21:51:49,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-12-13 21:51:49,994 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 4 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:49,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 275 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:49,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-12-13 21:51:50,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2022-12-13 21:51:50,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 87 states have (on average 1.4022988505747127) internal successors, (122), 106 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:50,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 124 transitions. [2022-12-13 21:51:50,001 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 124 transitions. Word has length 23 [2022-12-13 21:51:50,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:50,001 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 124 transitions. [2022-12-13 21:51:50,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 21:51:50,001 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 124 transitions. [2022-12-13 21:51:50,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 21:51:50,002 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:50,002 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:50,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 21:51:50,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:50,203 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:50,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:50,204 INFO L85 PathProgramCache]: Analyzing trace with hash -364220429, now seen corresponding path program 2 times [2022-12-13 21:51:50,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:50,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621891637] [2022-12-13 21:51:50,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:50,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:50,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:50,436 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-13 21:51:50,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:50,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621891637] [2022-12-13 21:51:50,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621891637] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:51:50,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:51:50,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:51:50,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146236225] [2022-12-13 21:51:50,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:51:50,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:51:50,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:50,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:51:50,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:51:50,439 INFO L87 Difference]: Start difference. First operand 109 states and 124 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:50,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:50,487 INFO L93 Difference]: Finished difference Result 109 states and 124 transitions. [2022-12-13 21:51:50,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:51:50,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2022-12-13 21:51:50,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:50,488 INFO L225 Difference]: With dead ends: 109 [2022-12-13 21:51:50,488 INFO L226 Difference]: Without dead ends: 107 [2022-12-13 21:51:50,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:51:50,489 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 83 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:50,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 253 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:50,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-12-13 21:51:50,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-12-13 21:51:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 87 states have (on average 1.3793103448275863) internal successors, (120), 104 states have internal predecessors, (120), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2022-12-13 21:51:50,494 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 41 [2022-12-13 21:51:50,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:50,494 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2022-12-13 21:51:50,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:50,495 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2022-12-13 21:51:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-13 21:51:50,495 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:50,495 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:50,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 21:51:50,495 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:50,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:50,496 INFO L85 PathProgramCache]: Analyzing trace with hash -4386183, now seen corresponding path program 1 times [2022-12-13 21:51:50,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:50,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416729754] [2022-12-13 21:51:50,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:50,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:50,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-13 21:51:50,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:50,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416729754] [2022-12-13 21:51:50,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416729754] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:51:50,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:51:50,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:51:50,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566116909] [2022-12-13 21:51:50,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:51:50,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:51:50,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:50,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:51:50,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:50,598 INFO L87 Difference]: Start difference. First operand 107 states and 122 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:50,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:50,613 INFO L93 Difference]: Finished difference Result 174 states and 206 transitions. [2022-12-13 21:51:50,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:51:50,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2022-12-13 21:51:50,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:50,614 INFO L225 Difference]: With dead ends: 174 [2022-12-13 21:51:50,614 INFO L226 Difference]: Without dead ends: 110 [2022-12-13 21:51:50,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:50,615 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 2 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:50,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 177 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:50,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-12-13 21:51:50,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-12-13 21:51:50,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 90 states have (on average 1.3666666666666667) internal successors, (123), 107 states have internal predecessors, (123), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:50,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2022-12-13 21:51:50,620 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 46 [2022-12-13 21:51:50,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:50,620 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2022-12-13 21:51:50,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:50,621 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2022-12-13 21:51:50,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-13 21:51:50,621 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:50,621 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:50,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 21:51:50,622 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:50,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:50,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1818042133, now seen corresponding path program 1 times [2022-12-13 21:51:50,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:50,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240439606] [2022-12-13 21:51:50,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:50,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:50,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:50,734 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-12-13 21:51:50,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:50,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240439606] [2022-12-13 21:51:50,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240439606] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:51:50,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:51:50,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:51:50,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66088091] [2022-12-13 21:51:50,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:51:50,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:51:50,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:50,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:51:50,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:50,735 INFO L87 Difference]: Start difference. First operand 110 states and 125 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:50,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:50,761 INFO L93 Difference]: Finished difference Result 177 states and 206 transitions. [2022-12-13 21:51:50,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:51:50,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2022-12-13 21:51:50,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:50,762 INFO L225 Difference]: With dead ends: 177 [2022-12-13 21:51:50,762 INFO L226 Difference]: Without dead ends: 175 [2022-12-13 21:51:50,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:50,763 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 70 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:50,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 174 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:50,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2022-12-13 21:51:50,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 119. [2022-12-13 21:51:50,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 116 states have internal predecessors, (136), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:50,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2022-12-13 21:51:50,769 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 49 [2022-12-13 21:51:50,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:50,769 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2022-12-13 21:51:50,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:50,769 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2022-12-13 21:51:50,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-13 21:51:50,770 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:50,770 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:50,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 21:51:50,770 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:50,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:50,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1818042078, now seen corresponding path program 1 times [2022-12-13 21:51:50,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:50,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997435942] [2022-12-13 21:51:50,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:50,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:50,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:50,885 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-13 21:51:50,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:50,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997435942] [2022-12-13 21:51:50,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997435942] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:51:50,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744619658] [2022-12-13 21:51:50,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:50,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:50,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:51:50,886 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:51:50,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 21:51:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:51,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:51:51,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:51:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-13 21:51:51,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:51:51,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744619658] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:51:51,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:51:51,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-12-13 21:51:51,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865073160] [2022-12-13 21:51:51,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:51:51,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:51:51,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:51,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:51:51,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:51:51,097 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:51,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:51,127 INFO L93 Difference]: Finished difference Result 173 states and 204 transitions. [2022-12-13 21:51:51,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:51:51,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2022-12-13 21:51:51,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:51,129 INFO L225 Difference]: With dead ends: 173 [2022-12-13 21:51:51,129 INFO L226 Difference]: Without dead ends: 172 [2022-12-13 21:51:51,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:51:51,130 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 147 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:51,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 238 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:51,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-12-13 21:51:51,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 118. [2022-12-13 21:51:51,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 115 states have internal predecessors, (134), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:51,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2022-12-13 21:51:51,135 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 49 [2022-12-13 21:51:51,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:51,136 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2022-12-13 21:51:51,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:51,136 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2022-12-13 21:51:51,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-13 21:51:51,136 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:51,136 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:51,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 21:51:51,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 21:51:51,337 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:51,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:51,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1826299243, now seen corresponding path program 1 times [2022-12-13 21:51:51,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:51,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467119757] [2022-12-13 21:51:51,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:51,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:51,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:51,447 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-13 21:51:51,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:51,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467119757] [2022-12-13 21:51:51,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467119757] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:51:51,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:51:51,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:51:51,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116770007] [2022-12-13 21:51:51,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:51:51,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:51:51,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:51,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:51:51,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:51,449 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:51,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:51,459 INFO L93 Difference]: Finished difference Result 160 states and 185 transitions. [2022-12-13 21:51:51,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:51:51,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-12-13 21:51:51,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:51,461 INFO L225 Difference]: With dead ends: 160 [2022-12-13 21:51:51,461 INFO L226 Difference]: Without dead ends: 111 [2022-12-13 21:51:51,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:51,462 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 27 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:51,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 134 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:51,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-12-13 21:51:51,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 91. [2022-12-13 21:51:51,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 82 states have (on average 1.2195121951219512) internal successors, (100), 88 states have internal predecessors, (100), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:51,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 102 transitions. [2022-12-13 21:51:51,467 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 102 transitions. Word has length 50 [2022-12-13 21:51:51,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:51,467 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 102 transitions. [2022-12-13 21:51:51,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:51,467 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2022-12-13 21:51:51,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-13 21:51:51,468 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:51,468 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:51,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 21:51:51,468 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:51,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:51,468 INFO L85 PathProgramCache]: Analyzing trace with hash -524729491, now seen corresponding path program 1 times [2022-12-13 21:51:51,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:51,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424549906] [2022-12-13 21:51:51,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:51,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:51,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:51,567 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-12-13 21:51:51,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:51,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424549906] [2022-12-13 21:51:51,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424549906] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:51:51,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:51:51,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:51:51,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743476523] [2022-12-13 21:51:51,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:51:51,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:51:51,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:51,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:51:51,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:51,569 INFO L87 Difference]: Start difference. First operand 91 states and 102 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:51,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:51,586 INFO L93 Difference]: Finished difference Result 91 states and 102 transitions. [2022-12-13 21:51:51,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:51:51,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-12-13 21:51:51,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:51,587 INFO L225 Difference]: With dead ends: 91 [2022-12-13 21:51:51,587 INFO L226 Difference]: Without dead ends: 90 [2022-12-13 21:51:51,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:51,588 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:51,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:51,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-12-13 21:51:51,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2022-12-13 21:51:51,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 78 states have (on average 1.205128205128205) internal successors, (94), 83 states have internal predecessors, (94), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:51,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 96 transitions. [2022-12-13 21:51:51,594 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 96 transitions. Word has length 50 [2022-12-13 21:51:51,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:51,594 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 96 transitions. [2022-12-13 21:51:51,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:51,594 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2022-12-13 21:51:51,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-13 21:51:51,595 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:51,595 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:51,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 21:51:51,595 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:51,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:51,596 INFO L85 PathProgramCache]: Analyzing trace with hash 288523584, now seen corresponding path program 1 times [2022-12-13 21:51:51,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:51,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541391780] [2022-12-13 21:51:51,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:51,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:51,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-13 21:51:51,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:51,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541391780] [2022-12-13 21:51:51,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541391780] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:51:51,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:51:51,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:51:51,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613584370] [2022-12-13 21:51:51,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:51:51,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:51:51,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:51,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:51:51,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:51,684 INFO L87 Difference]: Start difference. First operand 86 states and 96 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:51,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:51,702 INFO L93 Difference]: Finished difference Result 100 states and 111 transitions. [2022-12-13 21:51:51,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:51:51,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2022-12-13 21:51:51,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:51,703 INFO L225 Difference]: With dead ends: 100 [2022-12-13 21:51:51,703 INFO L226 Difference]: Without dead ends: 89 [2022-12-13 21:51:51,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:51,704 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 1 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:51,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 106 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:51,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-12-13 21:51:51,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-12-13 21:51:51,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 81 states have (on average 1.1975308641975309) internal successors, (97), 86 states have internal predecessors, (97), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:51,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 99 transitions. [2022-12-13 21:51:51,709 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 99 transitions. Word has length 53 [2022-12-13 21:51:51,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:51,710 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 99 transitions. [2022-12-13 21:51:51,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:51,710 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions. [2022-12-13 21:51:51,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 21:51:51,710 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:51,710 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:51,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 21:51:51,711 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:51,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:51,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1176738035, now seen corresponding path program 1 times [2022-12-13 21:51:51,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:51,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314995857] [2022-12-13 21:51:51,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:51,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:51,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:51,796 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-13 21:51:51,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:51,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314995857] [2022-12-13 21:51:51,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314995857] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:51:51,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164197477] [2022-12-13 21:51:51,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:51,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:51,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:51:51,798 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:51:51,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 21:51:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:51,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:51:51,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:51:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-13 21:51:51,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:51:51,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164197477] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:51:51,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:51:51,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-12-13 21:51:51,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788395251] [2022-12-13 21:51:51,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:51:51,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:51:51,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:51,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:51:51,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:51:51,992 INFO L87 Difference]: Start difference. First operand 89 states and 99 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:52,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:52,009 INFO L93 Difference]: Finished difference Result 89 states and 99 transitions. [2022-12-13 21:51:52,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:51:52,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2022-12-13 21:51:52,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:52,010 INFO L225 Difference]: With dead ends: 89 [2022-12-13 21:51:52,010 INFO L226 Difference]: Without dead ends: 88 [2022-12-13 21:51:52,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:51:52,011 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 23 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:52,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 94 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:52,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-12-13 21:51:52,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-12-13 21:51:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 81 states have (on average 1.1851851851851851) internal successors, (96), 85 states have internal predecessors, (96), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:52,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2022-12-13 21:51:52,015 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 56 [2022-12-13 21:51:52,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:52,016 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2022-12-13 21:51:52,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2022-12-13 21:51:52,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 21:51:52,016 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:52,017 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:52,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-13 21:51:52,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:52,218 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:52,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:52,218 INFO L85 PathProgramCache]: Analyzing trace with hash 256118529, now seen corresponding path program 1 times [2022-12-13 21:51:52,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:52,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009486799] [2022-12-13 21:51:52,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:52,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:52,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-12-13 21:51:52,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:52,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009486799] [2022-12-13 21:51:52,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009486799] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:51:52,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665110141] [2022-12-13 21:51:52,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:52,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:52,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:51:52,456 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:51:52,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 21:51:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:52,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:51:52,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:51:52,701 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-12-13 21:51:52,701 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:51:52,716 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-12-13 21:51:52,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665110141] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:51:52,717 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:51:52,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-12-13 21:51:52,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343882217] [2022-12-13 21:51:52,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:51:52,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 21:51:52,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:52,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 21:51:52,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:51:52,718 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:52,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:52,744 INFO L93 Difference]: Finished difference Result 146 states and 169 transitions. [2022-12-13 21:51:52,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:51:52,745 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2022-12-13 21:51:52,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:52,746 INFO L225 Difference]: With dead ends: 146 [2022-12-13 21:51:52,746 INFO L226 Difference]: Without dead ends: 106 [2022-12-13 21:51:52,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:51:52,747 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 4 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:52,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 105 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:52,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-12-13 21:51:52,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2022-12-13 21:51:52,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 99 states have (on average 1.1515151515151516) internal successors, (114), 103 states have internal predecessors, (114), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:52,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 116 transitions. [2022-12-13 21:51:52,755 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 116 transitions. Word has length 56 [2022-12-13 21:51:52,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:52,755 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 116 transitions. [2022-12-13 21:51:52,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:52,755 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 116 transitions. [2022-12-13 21:51:52,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-13 21:51:52,756 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:52,756 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:52,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 21:51:52,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-13 21:51:52,958 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:52,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:52,959 INFO L85 PathProgramCache]: Analyzing trace with hash 2119140925, now seen corresponding path program 1 times [2022-12-13 21:51:52,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:52,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761030735] [2022-12-13 21:51:52,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:52,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:53,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:53,140 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-12-13 21:51:53,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:53,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761030735] [2022-12-13 21:51:53,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761030735] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:51:53,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:51:53,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:51:53,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879820650] [2022-12-13 21:51:53,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:51:53,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:51:53,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:53,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:51:53,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:53,142 INFO L87 Difference]: Start difference. First operand 106 states and 116 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:53,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:53,153 INFO L93 Difference]: Finished difference Result 106 states and 116 transitions. [2022-12-13 21:51:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:51:53,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2022-12-13 21:51:53,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:53,154 INFO L225 Difference]: With dead ends: 106 [2022-12-13 21:51:53,154 INFO L226 Difference]: Without dead ends: 105 [2022-12-13 21:51:53,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:53,154 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 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 [2022-12-13 21:51:53,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:53,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-12-13 21:51:53,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2022-12-13 21:51:53,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 97 states have (on average 1.1443298969072164) internal successors, (111), 100 states have internal predecessors, (111), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:53,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 113 transitions. [2022-12-13 21:51:53,159 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 113 transitions. Word has length 57 [2022-12-13 21:51:53,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:53,159 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 113 transitions. [2022-12-13 21:51:53,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:53,159 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 113 transitions. [2022-12-13 21:51:53,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-13 21:51:53,160 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:53,160 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:53,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 21:51:53,160 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:53,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:53,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1012741952, now seen corresponding path program 1 times [2022-12-13 21:51:53,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:53,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199713370] [2022-12-13 21:51:53,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:53,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:53,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:53,230 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-13 21:51:53,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:53,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199713370] [2022-12-13 21:51:53,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199713370] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:51:53,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515159721] [2022-12-13 21:51:53,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:53,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:53,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:51:53,232 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:51:53,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 21:51:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:53,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:51:53,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:51:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-12-13 21:51:53,444 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:51:53,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515159721] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:51:53,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:51:53,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 21:51:53,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263074268] [2022-12-13 21:51:53,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:51:53,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:51:53,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:53,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:51:53,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:51:53,446 INFO L87 Difference]: Start difference. First operand 103 states and 113 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:53,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:53,456 INFO L93 Difference]: Finished difference Result 103 states and 113 transitions. [2022-12-13 21:51:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:51:53,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-12-13 21:51:53,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:53,456 INFO L225 Difference]: With dead ends: 103 [2022-12-13 21:51:53,457 INFO L226 Difference]: Without dead ends: 102 [2022-12-13 21:51:53,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:51:53,457 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 2 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 100 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 [2022-12-13 21:51:53,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 100 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:53,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-12-13 21:51:53,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2022-12-13 21:51:53,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 97 states have (on average 1.134020618556701) internal successors, (110), 99 states have internal predecessors, (110), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:53,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 112 transitions. [2022-12-13 21:51:53,462 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 112 transitions. Word has length 61 [2022-12-13 21:51:53,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:53,462 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 112 transitions. [2022-12-13 21:51:53,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:53,462 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 112 transitions. [2022-12-13 21:51:53,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-13 21:51:53,462 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:53,463 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:53,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 21:51:53,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 21:51:53,664 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:53,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:53,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1330229209, now seen corresponding path program 1 times [2022-12-13 21:51:53,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:53,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535291395] [2022-12-13 21:51:53,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:53,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:53,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:53,828 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-13 21:51:53,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:53,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535291395] [2022-12-13 21:51:53,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535291395] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:51:53,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425563389] [2022-12-13 21:51:53,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:53,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:53,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:51:53,830 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:51:53,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 21:51:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:54,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:51:54,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:51:54,029 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-12-13 21:51:54,029 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:51:54,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425563389] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:51:54,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:51:54,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 21:51:54,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84006453] [2022-12-13 21:51:54,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:51:54,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:51:54,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:54,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:51:54,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:51:54,031 INFO L87 Difference]: Start difference. First operand 102 states and 112 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:54,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:54,043 INFO L93 Difference]: Finished difference Result 106 states and 116 transitions. [2022-12-13 21:51:54,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:51:54,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2022-12-13 21:51:54,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:54,045 INFO L225 Difference]: With dead ends: 106 [2022-12-13 21:51:54,045 INFO L226 Difference]: Without dead ends: 105 [2022-12-13 21:51:54,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:51:54,046 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 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 [2022-12-13 21:51:54,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:54,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-12-13 21:51:54,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-12-13 21:51:54,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 100 states have (on average 1.13) internal successors, (113), 102 states have internal predecessors, (113), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:54,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 115 transitions. [2022-12-13 21:51:54,053 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 115 transitions. Word has length 62 [2022-12-13 21:51:54,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:54,053 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 115 transitions. [2022-12-13 21:51:54,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:54,053 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 115 transitions. [2022-12-13 21:51:54,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-13 21:51:54,054 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:54,054 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:54,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 21:51:54,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 21:51:54,255 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:54,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:54,255 INFO L85 PathProgramCache]: Analyzing trace with hash 805099389, now seen corresponding path program 1 times [2022-12-13 21:51:54,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:54,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294540544] [2022-12-13 21:51:54,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:54,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:54,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:54,334 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-12-13 21:51:54,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:54,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294540544] [2022-12-13 21:51:54,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294540544] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:51:54,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446172810] [2022-12-13 21:51:54,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:54,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:54,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:51:54,336 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:51:54,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 21:51:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:54,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:51:54,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:51:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-12-13 21:51:54,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:51:54,570 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-12-13 21:51:54,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446172810] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:51:54,570 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:51:54,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-12-13 21:51:54,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278222398] [2022-12-13 21:51:54,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:51:54,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 21:51:54,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:54,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 21:51:54,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:51:54,572 INFO L87 Difference]: Start difference. First operand 105 states and 115 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:54,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:54,594 INFO L93 Difference]: Finished difference Result 125 states and 138 transitions. [2022-12-13 21:51:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:51:54,594 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2022-12-13 21:51:54,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:54,595 INFO L225 Difference]: With dead ends: 125 [2022-12-13 21:51:54,595 INFO L226 Difference]: Without dead ends: 114 [2022-12-13 21:51:54,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:51:54,596 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 4 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:54,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 152 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:54,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-12-13 21:51:54,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2022-12-13 21:51:54,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 109 states have (on average 1.1192660550458715) internal successors, (122), 111 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:54,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 124 transitions. [2022-12-13 21:51:54,604 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 124 transitions. Word has length 65 [2022-12-13 21:51:54,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:54,604 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 124 transitions. [2022-12-13 21:51:54,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:54,605 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 124 transitions. [2022-12-13 21:51:54,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-13 21:51:54,605 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:54,605 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:54,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 21:51:54,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:54,807 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:54,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:54,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1744851856, now seen corresponding path program 2 times [2022-12-13 21:51:54,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:54,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058090458] [2022-12-13 21:51:54,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:54,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:55,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:55,027 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-12-13 21:51:55,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:55,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058090458] [2022-12-13 21:51:55,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058090458] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:51:55,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609479810] [2022-12-13 21:51:55,027 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 21:51:55,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:55,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:51:55,028 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:51:55,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 21:51:55,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 21:51:55,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 21:51:55,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:51:55,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:51:55,281 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-12-13 21:51:55,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:51:55,333 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-12-13 21:51:55,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609479810] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:51:55,334 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:51:55,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2022-12-13 21:51:55,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453062530] [2022-12-13 21:51:55,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:51:55,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 21:51:55,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:55,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 21:51:55,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:51:55,335 INFO L87 Difference]: Start difference. First operand 114 states and 124 transitions. Second operand has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 8 states have internal predecessors, (86), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:55,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:55,402 INFO L93 Difference]: Finished difference Result 118 states and 129 transitions. [2022-12-13 21:51:55,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 21:51:55,402 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 8 states have internal predecessors, (86), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-12-13 21:51:55,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:55,403 INFO L225 Difference]: With dead ends: 118 [2022-12-13 21:51:55,403 INFO L226 Difference]: Without dead ends: 77 [2022-12-13 21:51:55,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2022-12-13 21:51:55,404 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 20 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:55,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 142 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:55,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-12-13 21:51:55,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-12-13 21:51:55,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 73 states have (on average 1.0684931506849316) internal successors, (78), 74 states have internal predecessors, (78), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:55,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 80 transitions. [2022-12-13 21:51:55,408 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 80 transitions. Word has length 74 [2022-12-13 21:51:55,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:55,409 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 80 transitions. [2022-12-13 21:51:55,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 8 states have internal predecessors, (86), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:55,409 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2022-12-13 21:51:55,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-13 21:51:55,409 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:55,410 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:55,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 21:51:55,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2022-12-13 21:51:55,611 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:55,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:55,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1058546255, now seen corresponding path program 2 times [2022-12-13 21:51:55,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:55,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111895547] [2022-12-13 21:51:55,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:55,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:55,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:55,819 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-12-13 21:51:55,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:55,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111895547] [2022-12-13 21:51:55,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111895547] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:51:55,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967218108] [2022-12-13 21:51:55,820 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 21:51:55,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:55,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:51:55,821 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:51:55,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 21:51:56,220 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 21:51:56,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 21:51:56,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 21:51:56,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:51:56,264 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-12-13 21:51:56,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:51:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-12-13 21:51:56,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967218108] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:51:56,321 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:51:56,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2022-12-13 21:51:56,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781195832] [2022-12-13 21:51:56,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:51:56,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 21:51:56,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:56,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 21:51:56,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2022-12-13 21:51:56,322 INFO L87 Difference]: Start difference. First operand 77 states and 80 transitions. Second operand has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 14 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:56,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:56,589 INFO L93 Difference]: Finished difference Result 132 states and 149 transitions. [2022-12-13 21:51:56,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-13 21:51:56,590 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 14 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-12-13 21:51:56,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:56,590 INFO L225 Difference]: With dead ends: 132 [2022-12-13 21:51:56,591 INFO L226 Difference]: Without dead ends: 112 [2022-12-13 21:51:56,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=330, Invalid=792, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 21:51:56,592 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:56,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 93 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:51:56,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-12-13 21:51:56,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2022-12-13 21:51:56,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 109 states have (on average 1.036697247706422) internal successors, (113), 109 states have internal predecessors, (113), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:56,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 115 transitions. [2022-12-13 21:51:56,596 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 115 transitions. Word has length 74 [2022-12-13 21:51:56,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:56,596 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 115 transitions. [2022-12-13 21:51:56,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 14 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:56,596 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 115 transitions. [2022-12-13 21:51:56,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-12-13 21:51:56,597 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:56,597 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:56,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-13 21:51:56,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:56,799 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:56,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:56,800 INFO L85 PathProgramCache]: Analyzing trace with hash 27256389, now seen corresponding path program 1 times [2022-12-13 21:51:56,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:56,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152391064] [2022-12-13 21:51:56,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:56,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:57,160 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-13 21:51:57,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:57,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152391064] [2022-12-13 21:51:57,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152391064] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:51:57,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401803609] [2022-12-13 21:51:57,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:57,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:57,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:51:57,162 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:51:57,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-13 21:51:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:57,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:51:57,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:51:57,563 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-13 21:51:57,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:51:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-13 21:51:57,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401803609] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:51:57,640 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:51:57,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-12-13 21:51:57,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542618203] [2022-12-13 21:51:57,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:51:57,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 21:51:57,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:57,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 21:51:57,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:51:57,641 INFO L87 Difference]: Start difference. First operand 112 states and 115 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:57,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:57,695 INFO L93 Difference]: Finished difference Result 215 states and 223 transitions. [2022-12-13 21:51:57,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:51:57,696 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 111 [2022-12-13 21:51:57,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:57,697 INFO L225 Difference]: With dead ends: 215 [2022-12-13 21:51:57,697 INFO L226 Difference]: Without dead ends: 214 [2022-12-13 21:51:57,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:51:57,698 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:57,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:57,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2022-12-13 21:51:57,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2022-12-13 21:51:57,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 211 states have (on average 1.033175355450237) internal successors, (218), 211 states have internal predecessors, (218), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:57,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 220 transitions. [2022-12-13 21:51:57,709 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 220 transitions. Word has length 111 [2022-12-13 21:51:57,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:57,709 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 220 transitions. [2022-12-13 21:51:57,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:57,709 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 220 transitions. [2022-12-13 21:51:57,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-12-13 21:51:57,710 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:57,711 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:57,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-13 21:51:57,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:57,912 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-12-13 21:51:57,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:57,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1158125731, now seen corresponding path program 2 times [2022-12-13 21:51:57,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:57,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616342894] [2022-12-13 21:51:57,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:57,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:58,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:51:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:58,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4110 backedges. 0 proven. 1292 refuted. 0 times theorem prover too weak. 2818 trivial. 0 not checked. [2022-12-13 21:51:58,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:58,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616342894] [2022-12-13 21:51:58,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616342894] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:51:58,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434668621] [2022-12-13 21:51:58,438 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 21:51:58,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:58,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:51:58,439 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:51:58,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-13 21:51:58,797 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 21:51:58,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 21:51:58,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:51:58,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:51:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4110 backedges. 0 proven. 1292 refuted. 0 times theorem prover too weak. 2818 trivial. 0 not checked. [2022-12-13 21:51:59,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:51:59,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4110 backedges. 0 proven. 1292 refuted. 0 times theorem prover too weak. 2818 trivial. 0 not checked. [2022-12-13 21:51:59,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434668621] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:51:59,153 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:51:59,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-12-13 21:51:59,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322656788] [2022-12-13 21:51:59,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:51:59,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:51:59,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:59,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:51:59,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:51:59,155 INFO L87 Difference]: Start difference. First operand 214 states and 220 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:59,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:59,190 INFO L93 Difference]: Finished difference Result 214 states and 220 transitions. [2022-12-13 21:51:59,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:51:59,190 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 213 [2022-12-13 21:51:59,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:59,191 INFO L225 Difference]: With dead ends: 214 [2022-12-13 21:51:59,191 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 21:51:59,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:51:59,192 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:59,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 43 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:59,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 21:51:59,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 21:51:59,192 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) [2022-12-13 21:51:59,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 21:51:59,193 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2022-12-13 21:51:59,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:59,193 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 21:51:59,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:59,193 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 21:51:59,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 21:51:59,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2022-12-13 21:51:59,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2022-12-13 21:51:59,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2022-12-13 21:51:59,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2022-12-13 21:51:59,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2022-12-13 21:51:59,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2022-12-13 21:51:59,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2022-12-13 21:51:59,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2022-12-13 21:51:59,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2022-12-13 21:51:59,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2022-12-13 21:51:59,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2022-12-13 21:51:59,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2022-12-13 21:51:59,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2022-12-13 21:51:59,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2022-12-13 21:51:59,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2022-12-13 21:51:59,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2022-12-13 21:51:59,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2022-12-13 21:51:59,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2022-12-13 21:51:59,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2022-12-13 21:51:59,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2022-12-13 21:51:59,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2022-12-13 21:51:59,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2022-12-13 21:51:59,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2022-12-13 21:51:59,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2022-12-13 21:51:59,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-12-13 21:51:59,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:51:59,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 21:51:59,982 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1332) no Hoare annotation was computed. [2022-12-13 21:51:59,982 INFO L895 garLoopResultBuilder]: At program point single_argv_returnLabel#1(lines 1165 1232) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (<= 1 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000)) [2022-12-13 21:51:59,982 INFO L899 garLoopResultBuilder]: For program point L1340-2(lines 1340 1341) no Hoare annotation was computed. [2022-12-13 21:51:59,982 INFO L899 garLoopResultBuilder]: For program point L1340-3(line 1340) no Hoare annotation was computed. [2022-12-13 21:51:59,982 INFO L895 garLoopResultBuilder]: At program point L1340-4(lines 1340 1341) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_main_~i~5#1| 0)) (.cse1 (<= 1 |ULTIMATE.start_main_~j~0#1|)) (.cse0 (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648))) (.cse3 (<= 1 |ULTIMATE.start_main_~i~4#1|)) (.cse5 (= |ULTIMATE.start_main_~j~0#1| 0)) (.cse6 (<= |ULTIMATE.start_main_~i~5#1| 2147483645)) (.cse4 (<= |ULTIMATE.start_main_~argc~0#1| 10000)) (.cse7 (<= 1 |ULTIMATE.start_main_~i~5#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse5 .cse4) (and .cse0 .cse1 .cse3 .cse6 .cse4 .cse7) (and .cse0 .cse3 .cse5 .cse6 .cse4 .cse7))) [2022-12-13 21:51:59,983 INFO L899 garLoopResultBuilder]: For program point L1332(line 1332) no Hoare annotation was computed. [2022-12-13 21:51:59,983 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1344) no Hoare annotation was computed. [2022-12-13 21:51:59,983 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1208) no Hoare annotation was computed. [2022-12-13 21:51:59,983 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1202) no Hoare annotation was computed. [2022-12-13 21:51:59,983 INFO L899 garLoopResultBuilder]: For program point L1225(lines 1225 1228) no Hoare annotation was computed. [2022-12-13 21:51:59,983 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1321 1350) the Hoare annotation is: true [2022-12-13 21:51:59,983 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1340) no Hoare annotation was computed. [2022-12-13 21:51:59,983 INFO L899 garLoopResultBuilder]: For program point L1192(line 1192) no Hoare annotation was computed. [2022-12-13 21:51:59,983 INFO L899 garLoopResultBuilder]: For program point L1192-1(line 1192) no Hoare annotation was computed. [2022-12-13 21:51:59,983 INFO L899 garLoopResultBuilder]: For program point L1225-2(lines 1166 1232) no Hoare annotation was computed. [2022-12-13 21:51:59,983 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1325) no Hoare annotation was computed. [2022-12-13 21:51:59,984 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 21:51:59,984 INFO L895 garLoopResultBuilder]: At program point L1176(lines 1176 1188) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (<= 1 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000)) [2022-12-13 21:51:59,984 INFO L899 garLoopResultBuilder]: For program point L1176-2(lines 1173 1223) no Hoare annotation was computed. [2022-12-13 21:51:59,984 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1206) no Hoare annotation was computed. [2022-12-13 21:51:59,984 INFO L899 garLoopResultBuilder]: For program point L1333(line 1333) no Hoare annotation was computed. [2022-12-13 21:51:59,984 INFO L899 garLoopResultBuilder]: For program point L1333-1(line 1333) no Hoare annotation was computed. [2022-12-13 21:51:59,984 INFO L899 garLoopResultBuilder]: For program point L1325-2(lines 1325 1326) no Hoare annotation was computed. [2022-12-13 21:51:59,984 INFO L899 garLoopResultBuilder]: For program point L1325-3(line 1325) no Hoare annotation was computed. [2022-12-13 21:51:59,984 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1335) no Hoare annotation was computed. [2022-12-13 21:51:59,984 INFO L895 garLoopResultBuilder]: At program point L1325-4(lines 1325 1326) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~4#1| 0) (<= 1 |ULTIMATE.start_main_~i~4#1|)) [2022-12-13 21:51:59,984 INFO L899 garLoopResultBuilder]: For program point L1193(lines 1193 1211) no Hoare annotation was computed. [2022-12-13 21:51:59,985 INFO L899 garLoopResultBuilder]: For program point L1325-5(lines 1325 1326) no Hoare annotation was computed. [2022-12-13 21:51:59,985 INFO L899 garLoopResultBuilder]: For program point L1193-1(lines 1193 1211) no Hoare annotation was computed. [2022-12-13 21:51:59,985 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1325) no Hoare annotation was computed. [2022-12-13 21:51:59,985 INFO L895 garLoopResultBuilder]: At program point L1185(lines 1176 1188) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (<= 1 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000)) [2022-12-13 21:51:59,985 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1206) no Hoare annotation was computed. [2022-12-13 21:51:59,985 INFO L899 garLoopResultBuilder]: For program point L1202(line 1202) no Hoare annotation was computed. [2022-12-13 21:51:59,985 INFO L899 garLoopResultBuilder]: For program point L1202-1(line 1202) no Hoare annotation was computed. [2022-12-13 21:51:59,985 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1335) no Hoare annotation was computed. [2022-12-13 21:51:59,985 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 21:51:59,985 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1213) no Hoare annotation was computed. [2022-12-13 21:51:59,985 INFO L899 garLoopResultBuilder]: For program point L1335-2(lines 1335 1342) no Hoare annotation was computed. [2022-12-13 21:51:59,986 INFO L899 garLoopResultBuilder]: For program point L1335-3(line 1335) no Hoare annotation was computed. [2022-12-13 21:51:59,986 INFO L895 garLoopResultBuilder]: At program point L1335-4(lines 1335 1342) the Hoare annotation is: (let ((.cse0 (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648))) (.cse1 (<= 1 |ULTIMATE.start_main_~i~4#1|)) (.cse2 (<= |ULTIMATE.start_main_~argc~0#1| 10000))) (or (and .cse0 (= |ULTIMATE.start_main_~i~5#1| 0) .cse1 .cse2) (and .cse0 (<= 1 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~5#1| 2147483646) .cse1 .cse2 (<= 1 |ULTIMATE.start_main_~i~5#1|)))) [2022-12-13 21:51:59,986 INFO L899 garLoopResultBuilder]: For program point L1203(lines 1203 1207) no Hoare annotation was computed. [2022-12-13 21:51:59,986 INFO L899 garLoopResultBuilder]: For program point L1335-5(lines 1335 1342) no Hoare annotation was computed. [2022-12-13 21:51:59,986 INFO L899 garLoopResultBuilder]: For program point L1236-2(lines 1236 1237) no Hoare annotation was computed. [2022-12-13 21:51:59,986 INFO L899 garLoopResultBuilder]: For program point L1236-3(line 1236) no Hoare annotation was computed. [2022-12-13 21:51:59,986 INFO L895 garLoopResultBuilder]: At program point L1236-4(lines 1236 1237) the Hoare annotation is: (let ((.cse0 (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648))) (.cse1 (<= 1 |ULTIMATE.start_main_~i~4#1|)) (.cse2 (<= |ULTIMATE.start_main_~argc~0#1| 10000))) (or (and .cse0 (= |ULTIMATE.start_dirname_~i~0#1| 0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_dirname_~i~0#1|)))) [2022-12-13 21:51:59,986 INFO L899 garLoopResultBuilder]: For program point L1236-5(lines 1236 1237) no Hoare annotation was computed. [2022-12-13 21:51:59,986 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1192) no Hoare annotation was computed. [2022-12-13 21:51:59,987 INFO L899 garLoopResultBuilder]: For program point L1195(lines 1195 1210) no Hoare annotation was computed. [2022-12-13 21:51:59,987 INFO L895 garLoopResultBuilder]: At program point __main_returnLabel#1(lines 1148 1158) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (<= 1 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000) (<= 1 |ULTIMATE.start_dirname_~i~0#1|)) [2022-12-13 21:51:59,987 INFO L899 garLoopResultBuilder]: For program point L1344-2(lines 1344 1345) no Hoare annotation was computed. [2022-12-13 21:51:59,987 INFO L899 garLoopResultBuilder]: For program point L1344-3(line 1344) no Hoare annotation was computed. [2022-12-13 21:51:59,987 INFO L895 garLoopResultBuilder]: At program point L1344-4(lines 1344 1345) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i~6#1| 2147483646) (<= 1 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000) (<= 0 |ULTIMATE.start_main_~i~6#1|) (<= 1 |ULTIMATE.start_dirname_~i~0#1|)) [2022-12-13 21:51:59,987 INFO L899 garLoopResultBuilder]: For program point L1344-5(lines 1344 1345) no Hoare annotation was computed. [2022-12-13 21:51:59,987 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1213) no Hoare annotation was computed. [2022-12-13 21:51:59,987 INFO L899 garLoopResultBuilder]: For program point L1229-1(lines 1229 1230) no Hoare annotation was computed. [2022-12-13 21:51:59,987 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1192) no Hoare annotation was computed. [2022-12-13 21:51:59,987 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1222) no Hoare annotation was computed. [2022-12-13 21:51:59,988 INFO L895 garLoopResultBuilder]: At program point dirname_returnLabel#1(lines 1233 1240) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (<= 1 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000) (<= 1 |ULTIMATE.start_dirname_~i~0#1|)) [2022-12-13 21:51:59,988 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 21:51:59,988 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1333) no Hoare annotation was computed. [2022-12-13 21:51:59,988 INFO L899 garLoopResultBuilder]: For program point L1213(line 1213) no Hoare annotation was computed. [2022-12-13 21:51:59,988 INFO L899 garLoopResultBuilder]: For program point L1213-1(line 1213) no Hoare annotation was computed. [2022-12-13 21:51:59,988 INFO L895 garLoopResultBuilder]: At program point fflush_all_returnLabel#1(lines 1159 1164) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (<= 1 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000) (<= 1 |ULTIMATE.start_dirname_~i~0#1|)) [2022-12-13 21:51:59,988 INFO L899 garLoopResultBuilder]: For program point L1205(lines 1205 1206) no Hoare annotation was computed. [2022-12-13 21:51:59,988 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1223) no Hoare annotation was computed. [2022-12-13 21:51:59,988 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1236) no Hoare annotation was computed. [2022-12-13 21:51:59,988 INFO L899 garLoopResultBuilder]: For program point L1172-1(lines 1172 1223) no Hoare annotation was computed. [2022-12-13 21:51:59,988 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1197) no Hoare annotation was computed. [2022-12-13 21:51:59,989 INFO L899 garLoopResultBuilder]: For program point L1197(line 1197) no Hoare annotation was computed. [2022-12-13 21:51:59,989 INFO L899 garLoopResultBuilder]: For program point L1197-1(line 1197) no Hoare annotation was computed. [2022-12-13 21:51:59,989 INFO L899 garLoopResultBuilder]: For program point L1189-1(lines 1189 1219) no Hoare annotation was computed. [2022-12-13 21:51:59,989 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 21:51:59,989 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1333) no Hoare annotation was computed. [2022-12-13 21:51:59,989 INFO L899 garLoopResultBuilder]: For program point L1206(line 1206) no Hoare annotation was computed. [2022-12-13 21:51:59,989 INFO L899 garLoopResultBuilder]: For program point L1206-1(line 1206) no Hoare annotation was computed. [2022-12-13 21:51:59,989 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1236) no Hoare annotation was computed. [2022-12-13 21:51:59,989 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1197) no Hoare annotation was computed. [2022-12-13 21:51:59,989 INFO L899 garLoopResultBuilder]: For program point L1198(lines 1198 1209) no Hoare annotation was computed. [2022-12-13 21:51:59,989 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1344) no Hoare annotation was computed. [2022-12-13 21:51:59,990 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1332) no Hoare annotation was computed. [2022-12-13 21:51:59,990 INFO L899 garLoopResultBuilder]: For program point L1141(lines 1141 1144) no Hoare annotation was computed. [2022-12-13 21:51:59,990 INFO L895 garLoopResultBuilder]: At program point L1331(line 1331) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (< |ULTIMATE.start_main_~argc~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~i~4#1|)) [2022-12-13 21:51:59,990 INFO L899 garLoopResultBuilder]: For program point L1331-1(line 1331) no Hoare annotation was computed. [2022-12-13 21:51:59,990 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1202) no Hoare annotation was computed. [2022-12-13 21:51:59,990 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1340) no Hoare annotation was computed. [2022-12-13 21:51:59,990 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8 10) the Hoare annotation is: true [2022-12-13 21:51:59,990 INFO L899 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed. [2022-12-13 21:51:59,990 INFO L899 garLoopResultBuilder]: For program point L9-2(lines 8 10) no Hoare annotation was computed. [2022-12-13 21:51:59,990 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed. [2022-12-13 21:51:59,993 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:59,995 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:52:00,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:52:00 BoogieIcfgContainer [2022-12-13 21:52:00,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:52:00,010 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:52:00,010 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:52:00,010 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:52:00,011 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:51:47" (3/4) ... [2022-12-13 21:52:00,013 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 21:52:00,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-13 21:52:00,025 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2022-12-13 21:52:00,025 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-13 21:52:00,026 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 21:52:00,026 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 21:52:00,027 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:52:00,027 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:52:00,076 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:52:00,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:52:00,076 INFO L158 Benchmark]: Toolchain (without parser) took 13192.86ms. Allocated memory was 136.3MB in the beginning and 285.2MB in the end (delta: 148.9MB). Free memory was 98.6MB in the beginning and 220.3MB in the end (delta: -121.7MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2022-12-13 21:52:00,077 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 136.3MB. Free memory was 106.1MB in the beginning and 106.0MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:52:00,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.68ms. Allocated memory is still 136.3MB. Free memory was 98.6MB in the beginning and 56.7MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-12-13 21:52:00,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.56ms. Allocated memory is still 136.3MB. Free memory was 56.7MB in the beginning and 53.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:52:00,077 INFO L158 Benchmark]: Boogie Preprocessor took 26.11ms. Allocated memory is still 136.3MB. Free memory was 53.3MB in the beginning and 50.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:52:00,078 INFO L158 Benchmark]: RCFGBuilder took 459.62ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 50.8MB in the beginning and 112.1MB in the end (delta: -61.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-12-13 21:52:00,078 INFO L158 Benchmark]: TraceAbstraction took 12068.81ms. Allocated memory was 163.6MB in the beginning and 285.2MB in the end (delta: 121.6MB). Free memory was 112.1MB in the beginning and 225.5MB in the end (delta: -113.4MB). Peak memory consumption was 153.9MB. Max. memory is 16.1GB. [2022-12-13 21:52:00,078 INFO L158 Benchmark]: Witness Printer took 66.08ms. Allocated memory is still 285.2MB. Free memory was 225.5MB in the beginning and 220.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:52:00,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 136.3MB. Free memory was 106.1MB in the beginning and 106.0MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.68ms. Allocated memory is still 136.3MB. Free memory was 98.6MB in the beginning and 56.7MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.56ms. Allocated memory is still 136.3MB. Free memory was 56.7MB in the beginning and 53.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.11ms. Allocated memory is still 136.3MB. Free memory was 53.3MB in the beginning and 50.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.62ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 50.8MB in the beginning and 112.1MB in the end (delta: -61.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12068.81ms. Allocated memory was 163.6MB in the beginning and 285.2MB in the end (delta: 121.6MB). Free memory was 112.1MB in the beginning and 225.5MB in the end (delta: -113.4MB). Peak memory consumption was 153.9MB. Max. memory is 16.1GB. * Witness Printer took 66.08ms. Allocated memory is still 285.2MB. Free memory was 225.5MB in the beginning and 220.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 1325]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1325]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1332]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1332]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1340]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1340]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1335]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1335]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1192]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1192]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1197]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1197]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1202]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1202]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1206]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1206]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1213]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1213]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1344]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1344]: 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 2 procedures, 89 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 23, TraceHistogramMax: 50, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 669 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 666 mSDsluCounter, 3363 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1777 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 444 IncrementalHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 1586 mSDtfsCounter, 444 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1610 GetRequests, 1503 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=22, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 23 MinimizatonAttempts, 138 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 17 PreInvPairs, 103 NumberOfFragments, 270 HoareAnnotationTreeSize, 17 FomulaSimplifications, 997 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 14 FomulaSimplificationsInter, 2432 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 2108 NumberOfCodeBlocks, 1867 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 2693 ConstructedInterpolants, 0 QuantifiedInterpolants, 4683 SizeOfPredicates, 4 NumberOfNonLiveVariables, 6957 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 44 InterpolantComputations, 15 PerfectInterpolantSequences, 14024/19065 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 24 specifications checked. All of them hold - InvariantResult [Line: 1325]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 1148]: Loop Invariant Derived loop invariant: ((0 <= argc + 2147483648 && 1 <= i) && argc <= 10000) && 1 <= i - InvariantResult [Line: 1176]: Loop Invariant Derived loop invariant: (0 <= argc + 2147483648 && 1 <= i) && argc <= 10000 - InvariantResult [Line: 1321]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1335]: Loop Invariant Derived loop invariant: (((0 <= argc + 2147483648 && i == 0) && 1 <= i) && argc <= 10000) || (((((0 <= argc + 2147483648 && 1 <= j) && i <= 2147483646) && 1 <= i) && argc <= 10000) && 1 <= i) - InvariantResult [Line: 1176]: Loop Invariant Derived loop invariant: (0 <= argc + 2147483648 && 1 <= i) && argc <= 10000 - InvariantResult [Line: 1165]: Loop Invariant Derived loop invariant: (0 <= argc + 2147483648 && 1 <= i) && argc <= 10000 - InvariantResult [Line: 1340]: Loop Invariant Derived loop invariant: ((((((0 <= argc + 2147483648 && 1 <= j) && i == 0) && 1 <= i) && argc <= 10000) || ((((0 <= argc + 2147483648 && i == 0) && 1 <= i) && j == 0) && argc <= 10000)) || (((((0 <= argc + 2147483648 && 1 <= j) && 1 <= i) && i <= 2147483645) && argc <= 10000) && 1 <= i)) || (((((0 <= argc + 2147483648 && 1 <= i) && j == 0) && i <= 2147483645) && argc <= 10000) && 1 <= i) - InvariantResult [Line: 1236]: Loop Invariant Derived loop invariant: (((0 <= argc + 2147483648 && i == 0) && 1 <= i) && argc <= 10000) || (((0 <= argc + 2147483648 && 1 <= i) && argc <= 10000) && 1 <= i) - InvariantResult [Line: 1233]: Loop Invariant Derived loop invariant: ((0 <= argc + 2147483648 && 1 <= i) && argc <= 10000) && 1 <= i - InvariantResult [Line: 1159]: Loop Invariant Derived loop invariant: ((0 <= argc + 2147483648 && 1 <= i) && argc <= 10000) && 1 <= i - InvariantResult [Line: 1344]: Loop Invariant Derived loop invariant: ((((0 <= argc + 2147483648 && i <= 2147483646) && 1 <= i) && argc <= 10000) && 0 <= i) && 1 <= i RESULT: Ultimate proved your program to be correct! [2022-12-13 21:52:00,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eca090b-e286-4ccd-9e69-25d58cfc4122/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE