./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/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_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/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 32bit --witnessprinter.graph.data.programhash a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a --- 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 19:13:02,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:13:02,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:13:02,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:13:02,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:13:02,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:13:02,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:13:02,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:13:02,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:13:02,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:13:02,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:13:02,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:13:02,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:13:02,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:13:02,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:13:02,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:13:02,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:13:02,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:13:02,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:13:02,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:13:02,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:13:02,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:13:02,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:13:02,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:13:02,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:13:02,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:13:02,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:13:02,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:13:02,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:13:02,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:13:02,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:13:02,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:13:02,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:13:02,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:13:02,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:13:02,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:13:02,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:13:02,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:13:02,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:13:02,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:13:02,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:13:02,853 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 19:13:02,875 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:13:02,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:13:02,876 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:13:02,876 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:13:02,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:13:02,877 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:13:02,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:13:02,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:13:02,878 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:13:02,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:13:02,878 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:13:02,878 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:13:02,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:13:02,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:13:02,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:13:02,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:13:02,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:13:02,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:13:02,879 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:13:02,879 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:13:02,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:13:02,880 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:13:02,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:13:02,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:13:02,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:13:02,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:13:02,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:13:02,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:13:02,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:13:02,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:13:02,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:13:02,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:13:02,881 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:13:02,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:13:02,882 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:13:02,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:13:02,882 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:13:02,882 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_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a [2022-12-13 19:13:03,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:13:03,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:13:03,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:13:03,099 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:13:03,099 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:13:03,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2022-12-13 19:13:05,639 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:13:05,787 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:13:05,787 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2022-12-13 19:13:05,792 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/data/a1bb2ed94/e1ddca4a35ff4a5f9967d5d7519c48dc/FLAG3874d55c9 [2022-12-13 19:13:06,209 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/data/a1bb2ed94/e1ddca4a35ff4a5f9967d5d7519c48dc [2022-12-13 19:13:06,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:13:06,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:13:06,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:13:06,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:13:06,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:13:06,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:13:06" (1/1) ... [2022-12-13 19:13:06,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da1d471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:06, skipping insertion in model container [2022-12-13 19:13:06,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:13:06" (1/1) ... [2022-12-13 19:13:06,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:13:06,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:13:06,339 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2022-12-13 19:13:06,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:13:06,356 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:13:06,365 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2022-12-13 19:13:06,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:13:06,377 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:13:06,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:06 WrapperNode [2022-12-13 19:13:06,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:13:06,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:13:06,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:13:06,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:13:06,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:06" (1/1) ... [2022-12-13 19:13:06,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:06" (1/1) ... [2022-12-13 19:13:06,399 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2022-12-13 19:13:06,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:13:06,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:13:06,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:13:06,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:13:06,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:06" (1/1) ... [2022-12-13 19:13:06,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:06" (1/1) ... [2022-12-13 19:13:06,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:06" (1/1) ... [2022-12-13 19:13:06,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:06" (1/1) ... [2022-12-13 19:13:06,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:06" (1/1) ... [2022-12-13 19:13:06,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:06" (1/1) ... [2022-12-13 19:13:06,414 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:06" (1/1) ... [2022-12-13 19:13:06,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:06" (1/1) ... [2022-12-13 19:13:06,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:13:06,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:13:06,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:13:06,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:13:06,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:06" (1/1) ... [2022-12-13 19:13:06,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:13:06,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:13:06,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:13:06,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:13:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:13:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:13:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:13:06,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:13:06,533 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:13:06,535 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:13:06,621 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:13:06,625 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:13:06,625 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 19:13:06,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:13:06 BoogieIcfgContainer [2022-12-13 19:13:06,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:13:06,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:13:06,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:13:06,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:13:06,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:13:06" (1/3) ... [2022-12-13 19:13:06,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6865cba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:13:06, skipping insertion in model container [2022-12-13 19:13:06,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:13:06" (2/3) ... [2022-12-13 19:13:06,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6865cba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:13:06, skipping insertion in model container [2022-12-13 19:13:06,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:13:06" (3/3) ... [2022-12-13 19:13:06,633 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark20_conjunctive.i [2022-12-13 19:13:06,647 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:13:06,647 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 19:13:06,683 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:13:06,687 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;@6c0f35e6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:13:06,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 19:13:06,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:06,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 19:13:06,695 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:06,695 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 19:13:06,696 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:13:06,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:06,700 INFO L85 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2022-12-13 19:13:06,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:06,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765126513] [2022-12-13 19:13:06,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:06,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:06,830 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 19:13:06,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:06,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765126513] [2022-12-13 19:13:06,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765126513] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:06,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:13:06,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:13:06,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465010099] [2022-12-13 19:13:06,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:06,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:13:06,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:06,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:13:06,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:13:06,878 INFO L87 Difference]: Start difference. First operand has 18 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:06,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:06,925 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2022-12-13 19:13:06,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:13:06,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-13 19:13:06,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:06,932 INFO L225 Difference]: With dead ends: 34 [2022-12-13 19:13:06,933 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 19:13:06,935 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 19:13:06,937 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:06,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 23 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:06,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 19:13:06,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2022-12-13 19:13:06,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.4) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:06,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-12-13 19:13:06,961 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 5 [2022-12-13 19:13:06,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:06,962 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-12-13 19:13:06,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:06,962 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-12-13 19:13:06,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-13 19:13:06,962 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:06,963 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 19:13:06,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:13:06,963 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:13:06,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:06,964 INFO L85 PathProgramCache]: Analyzing trace with hash 889575213, now seen corresponding path program 1 times [2022-12-13 19:13:06,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:06,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912440638] [2022-12-13 19:13:06,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:06,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:06,999 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 19:13:07,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:07,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912440638] [2022-12-13 19:13:07,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912440638] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:07,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:13:07,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:13:07,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908650354] [2022-12-13 19:13:07,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:07,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:13:07,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:07,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:13:07,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:13:07,002 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:07,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:07,020 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-12-13 19:13:07,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:13:07,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-13 19:13:07,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:07,021 INFO L225 Difference]: With dead ends: 16 [2022-12-13 19:13:07,021 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 19:13:07,021 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 19:13:07,022 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:07,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:07,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 19:13:07,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 19:13:07,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 14 states have internal predecessors, (15), 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 19:13:07,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-12-13 19:13:07,025 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 6 [2022-12-13 19:13:07,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:07,026 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-12-13 19:13:07,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:07,026 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-12-13 19:13:07,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 19:13:07,026 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:07,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:07,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:13:07,027 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:13:07,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:07,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1807027879, now seen corresponding path program 1 times [2022-12-13 19:13:07,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:07,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572635072] [2022-12-13 19:13:07,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:07,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:07,071 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 19:13:07,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:07,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572635072] [2022-12-13 19:13:07,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572635072] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:07,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:13:07,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:13:07,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823948569] [2022-12-13 19:13:07,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:07,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:13:07,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:07,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:13:07,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:07,074 INFO L87 Difference]: Start difference. First operand 15 states and 15 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 19:13:07,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:07,101 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-12-13 19:13:07,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:13:07,102 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 19:13:07,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:07,103 INFO L225 Difference]: With dead ends: 15 [2022-12-13 19:13:07,103 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 19:13:07,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 19:13:07,104 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 7 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:07,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 6 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:07,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 19:13:07,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 19:13:07,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:07,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-12-13 19:13:07,109 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 7 [2022-12-13 19:13:07,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:07,110 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-12-13 19:13:07,110 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 19:13:07,110 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-12-13 19:13:07,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 19:13:07,110 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:07,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:07,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:13:07,111 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:13:07,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:07,112 INFO L85 PathProgramCache]: Analyzing trace with hash 183289455, now seen corresponding path program 1 times [2022-12-13 19:13:07,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:07,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084923205] [2022-12-13 19:13:07,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:07,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:07,156 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 19:13:07,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:07,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084923205] [2022-12-13 19:13:07,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084923205] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:07,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:13:07,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:13:07,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482306012] [2022-12-13 19:13:07,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:07,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:13:07,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:07,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:13:07,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:13:07,158 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 19:13:07,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:07,183 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2022-12-13 19:13:07,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:13:07,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 19:13:07,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:07,184 INFO L225 Difference]: With dead ends: 17 [2022-12-13 19:13:07,184 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 19:13:07,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 19:13:07,185 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:07,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:07,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 19:13:07,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 19:13:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:07,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-12-13 19:13:07,189 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 8 [2022-12-13 19:13:07,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:07,189 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2022-12-13 19:13:07,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 19:13:07,189 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-12-13 19:13:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 19:13:07,190 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:07,190 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:07,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 19:13:07,190 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:13:07,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:07,191 INFO L85 PathProgramCache]: Analyzing trace with hash 47508593, now seen corresponding path program 1 times [2022-12-13 19:13:07,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:07,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407539193] [2022-12-13 19:13:07,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:07,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:07,260 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 19:13:07,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:07,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407539193] [2022-12-13 19:13:07,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407539193] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:13:07,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364386194] [2022-12-13 19:13:07,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:07,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:07,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:13:07,262 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:13:07,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 19:13:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:07,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 19:13:07,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:13:07,385 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 19:13:07,385 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:13:07,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364386194] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:13:07,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:13:07,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2022-12-13 19:13:07,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313115885] [2022-12-13 19:13:07,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:13:07,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:13:07,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:07,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:13:07,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 19:13:07,387 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:07,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:07,420 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-12-13 19:13:07,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:13:07,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-13 19:13:07,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:07,421 INFO L225 Difference]: With dead ends: 16 [2022-12-13 19:13:07,421 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 19:13:07,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:13:07,422 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 8 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:07,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:07,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 19:13:07,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 19:13:07,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 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 19:13:07,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-12-13 19:13:07,425 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 10 [2022-12-13 19:13:07,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:07,425 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-12-13 19:13:07,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:07,425 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-12-13 19:13:07,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 19:13:07,425 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:07,425 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:13:07,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:13:07,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:07,628 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:13:07,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:07,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1472766433, now seen corresponding path program 1 times [2022-12-13 19:13:07,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:07,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690801864] [2022-12-13 19:13:07,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:07,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:07,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:07,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:07,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690801864] [2022-12-13 19:13:07,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690801864] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:13:07,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837655763] [2022-12-13 19:13:07,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:07,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:07,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:13:07,780 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:13:07,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 19:13:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:07,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 19:13:07,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:13:07,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:07,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:13:07,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:07,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837655763] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:13:07,916 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:13:07,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2022-12-13 19:13:07,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137055257] [2022-12-13 19:13:07,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:13:07,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 19:13:07,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:07,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 19:13:07,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-12-13 19:13:07,919 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 11 states, 10 states have (on average 2.9) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:07,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:07,979 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-12-13 19:13:07,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:13:07,980 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-13 19:13:07,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:07,980 INFO L225 Difference]: With dead ends: 25 [2022-12-13 19:13:07,981 INFO L226 Difference]: Without dead ends: 24 [2022-12-13 19:13:07,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:13:07,982 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:07,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 14 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:07,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-12-13 19:13:07,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-12-13 19:13:07,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:07,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2022-12-13 19:13:07,985 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 11 [2022-12-13 19:13:07,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:07,986 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2022-12-13 19:13:07,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:07,986 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2022-12-13 19:13:07,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 19:13:07,986 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:07,986 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-13 19:13:07,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 19:13:08,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 19:13:08,188 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:13:08,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:08,190 INFO L85 PathProgramCache]: Analyzing trace with hash -2010663901, now seen corresponding path program 1 times [2022-12-13 19:13:08,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:08,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467395145] [2022-12-13 19:13:08,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:08,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:08,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:08,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467395145] [2022-12-13 19:13:08,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467395145] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:13:08,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657726504] [2022-12-13 19:13:08,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:08,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:08,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:13:08,352 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:13:08,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 19:13:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:08,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 19:13:08,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:13:08,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:08,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:13:08,434 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:08,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657726504] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:13:08,435 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:13:08,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-12-13 19:13:08,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348041895] [2022-12-13 19:13:08,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:13:08,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 19:13:08,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:08,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 19:13:08,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:13:08,436 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:08,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:08,483 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2022-12-13 19:13:08,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 19:13:08,484 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-13 19:13:08,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:08,484 INFO L225 Difference]: With dead ends: 32 [2022-12-13 19:13:08,484 INFO L226 Difference]: Without dead ends: 31 [2022-12-13 19:13:08,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-12-13 19:13:08,485 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:08,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 13 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:08,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-12-13 19:13:08,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2022-12-13 19:13:08,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 29 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:08,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2022-12-13 19:13:08,488 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 13 [2022-12-13 19:13:08,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:08,488 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2022-12-13 19:13:08,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2022-12-13 19:13:08,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 19:13:08,489 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:08,489 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1] [2022-12-13 19:13:08,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 19:13:08,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:08,691 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:13:08,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:08,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1032298143, now seen corresponding path program 2 times [2022-12-13 19:13:08,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:08,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514231329] [2022-12-13 19:13:08,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:08,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:08,896 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:08,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:08,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514231329] [2022-12-13 19:13:08,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514231329] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:13:08,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348807814] [2022-12-13 19:13:08,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:13:08,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:08,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:13:08,898 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:13:08,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 19:13:08,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 19:13:08,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:13:08,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 19:13:08,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:13:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:09,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:13:09,200 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:09,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348807814] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:13:09,200 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:13:09,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2022-12-13 19:13:09,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360621125] [2022-12-13 19:13:09,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:13:09,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-12-13 19:13:09,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:09,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-12-13 19:13:09,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2022-12-13 19:13:09,202 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 23 states, 22 states have (on average 2.6818181818181817) internal successors, (59), 23 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:09,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:09,580 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2022-12-13 19:13:09,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 19:13:09,581 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.6818181818181817) internal successors, (59), 23 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-12-13 19:13:09,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:09,582 INFO L225 Difference]: With dead ends: 46 [2022-12-13 19:13:09,582 INFO L226 Difference]: Without dead ends: 45 [2022-12-13 19:13:09,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=291, Invalid=1041, Unknown=0, NotChecked=0, Total=1332 [2022-12-13 19:13:09,583 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 33 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:09,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 23 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:13:09,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-12-13 19:13:09,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2022-12-13 19:13:09,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:09,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2022-12-13 19:13:09,590 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2022-12-13 19:13:09,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:09,590 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2022-12-13 19:13:09,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.6818181818181817) internal successors, (59), 23 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:09,590 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2022-12-13 19:13:09,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-13 19:13:09,591 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:09,591 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1, 1] [2022-12-13 19:13:09,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 19:13:09,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-13 19:13:09,792 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:13:09,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:09,793 INFO L85 PathProgramCache]: Analyzing trace with hash -765261969, now seen corresponding path program 2 times [2022-12-13 19:13:09,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:09,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061376787] [2022-12-13 19:13:09,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:09,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:09,978 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:09,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:09,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061376787] [2022-12-13 19:13:09,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061376787] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:13:09,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831033790] [2022-12-13 19:13:09,979 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:13:09,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:09,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:13:09,980 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:13:09,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 19:13:10,007 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 19:13:10,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:13:10,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 19:13:10,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:13:10,054 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 19:13:10,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:13:10,106 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 19:13:10,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831033790] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:13:10,106 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:13:10,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17 [2022-12-13 19:13:10,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715436548] [2022-12-13 19:13:10,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:13:10,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 19:13:10,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:10,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 19:13:10,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2022-12-13 19:13:10,108 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 18 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 18 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:10,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:10,243 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2022-12-13 19:13:10,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 19:13:10,243 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 18 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-12-13 19:13:10,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:10,244 INFO L225 Difference]: With dead ends: 43 [2022-12-13 19:13:10,244 INFO L226 Difference]: Without dead ends: 42 [2022-12-13 19:13:10,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=273, Invalid=657, Unknown=0, NotChecked=0, Total=930 [2022-12-13 19:13:10,245 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 32 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:10,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 7 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:13:10,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-12-13 19:13:10,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-12-13 19:13:10,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.024390243902439) internal successors, (42), 41 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:10,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2022-12-13 19:13:10,251 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 28 [2022-12-13 19:13:10,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:10,251 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2022-12-13 19:13:10,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 18 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:13:10,252 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2022-12-13 19:13:10,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 19:13:10,252 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:10,252 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 1, 1, 1, 1] [2022-12-13 19:13:10,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 19:13:10,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-13 19:13:10,454 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:13:10,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:10,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1695301535, now seen corresponding path program 3 times [2022-12-13 19:13:10,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:10,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754614013] [2022-12-13 19:13:10,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:10,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:10,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:10,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754614013] [2022-12-13 19:13:10,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754614013] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:13:10,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507010620] [2022-12-13 19:13:10,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 19:13:10,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:10,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:13:10,783 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:13:10,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 19:13:10,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-12-13 19:13:10,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:13:10,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-13 19:13:10,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:13:11,215 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:11,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:13:11,757 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:11,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507010620] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:13:11,758 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:13:11,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 46 [2022-12-13 19:13:11,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835541544] [2022-12-13 19:13:11,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:13:11,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-12-13 19:13:11,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:11,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-12-13 19:13:11,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=1944, Unknown=0, NotChecked=0, Total=2162 [2022-12-13 19:13:11,761 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand has 47 states, 46 states have (on average 2.5869565217391304) internal successors, (119), 47 states have internal predecessors, (119), 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 19:13:14,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:14,024 INFO L93 Difference]: Finished difference Result 83 states and 90 transitions. [2022-12-13 19:13:14,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-12-13 19:13:14,025 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 2.5869565217391304) internal successors, (119), 47 states have internal predecessors, (119), 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 41 [2022-12-13 19:13:14,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:14,026 INFO L225 Difference]: With dead ends: 83 [2022-12-13 19:13:14,026 INFO L226 Difference]: Without dead ends: 82 [2022-12-13 19:13:14,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1270 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1266, Invalid=6044, Unknown=0, NotChecked=0, Total=7310 [2022-12-13 19:13:14,029 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 102 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:14,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 27 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 19:13:14,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-12-13 19:13:14,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-12-13 19:13:14,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.0123456790123457) internal successors, (82), 81 states have internal predecessors, (82), 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 19:13:14,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2022-12-13 19:13:14,035 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 82 transitions. Word has length 41 [2022-12-13 19:13:14,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:14,036 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 82 transitions. [2022-12-13 19:13:14,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 2.5869565217391304) internal successors, (119), 47 states have internal predecessors, (119), 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 19:13:14,036 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2022-12-13 19:13:14,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-13 19:13:14,037 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:14,037 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 1, 1, 1, 1] [2022-12-13 19:13:14,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 19:13:14,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:14,239 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:13:14,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:14,240 INFO L85 PathProgramCache]: Analyzing trace with hash 477757025, now seen corresponding path program 4 times [2022-12-13 19:13:14,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:14,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739165998] [2022-12-13 19:13:14,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:14,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:15,049 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:15,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:15,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739165998] [2022-12-13 19:13:15,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739165998] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:13:15,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226574553] [2022-12-13 19:13:15,050 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 19:13:15,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:15,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:13:15,051 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:13:15,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 19:13:15,102 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 19:13:15,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:13:15,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-13 19:13:15,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:13:16,033 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:16,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:13:17,236 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:17,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226574553] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:13:17,236 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:13:17,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 94 [2022-12-13 19:13:17,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439207131] [2022-12-13 19:13:17,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:13:17,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-12-13 19:13:17,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:17,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-12-13 19:13:17,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=910, Invalid=8020, Unknown=0, NotChecked=0, Total=8930 [2022-12-13 19:13:17,239 INFO L87 Difference]: Start difference. First operand 82 states and 82 transitions. Second operand has 95 states, 94 states have (on average 2.5425531914893615) internal successors, (239), 95 states have internal predecessors, (239), 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 19:13:22,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:22,093 INFO L93 Difference]: Finished difference Result 163 states and 178 transitions. [2022-12-13 19:13:22,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-12-13 19:13:22,094 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 94 states have (on average 2.5425531914893615) internal successors, (239), 95 states have internal predecessors, (239), 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 81 [2022-12-13 19:13:22,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:22,095 INFO L225 Difference]: With dead ends: 163 [2022-12-13 19:13:22,095 INFO L226 Difference]: Without dead ends: 162 [2022-12-13 19:13:22,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4197 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=3768, Invalid=20102, Unknown=0, NotChecked=0, Total=23870 [2022-12-13 19:13:22,099 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 168 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 3542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:22,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 70 Invalid, 3542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 19:13:22,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-12-13 19:13:22,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2022-12-13 19:13:22,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 1.0062111801242235) internal successors, (162), 161 states have internal predecessors, (162), 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 19:13:22,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 162 transitions. [2022-12-13 19:13:22,114 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 162 transitions. Word has length 81 [2022-12-13 19:13:22,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:22,115 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 162 transitions. [2022-12-13 19:13:22,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 94 states have (on average 2.5425531914893615) internal successors, (239), 95 states have internal predecessors, (239), 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 19:13:22,115 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 162 transitions. [2022-12-13 19:13:22,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-13 19:13:22,117 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:22,117 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 31, 31, 31, 1, 1, 1, 1] [2022-12-13 19:13:22,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-13 19:13:22,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:22,319 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:13:22,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:22,320 INFO L85 PathProgramCache]: Analyzing trace with hash -758875551, now seen corresponding path program 5 times [2022-12-13 19:13:22,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:22,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998474509] [2022-12-13 19:13:22,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:22,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:13:24,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 0 proven. 2418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:24,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:13:24,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998474509] [2022-12-13 19:13:24,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998474509] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:13:24,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48383324] [2022-12-13 19:13:24,938 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-13 19:13:24,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:13:24,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:13:24,939 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:13:24,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 19:13:25,039 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2022-12-13 19:13:25,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:13:25,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 96 conjunts are in the unsatisfiable core [2022-12-13 19:13:25,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:13:28,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 0 proven. 2418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:28,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:13:33,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 0 proven. 2418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:13:33,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48383324] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:13:33,102 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:13:33,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 190 [2022-12-13 19:13:33,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973262645] [2022-12-13 19:13:33,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:13:33,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2022-12-13 19:13:33,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:13:33,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2022-12-13 19:13:33,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3358, Invalid=32932, Unknown=0, NotChecked=0, Total=36290 [2022-12-13 19:13:33,108 INFO L87 Difference]: Start difference. First operand 162 states and 162 transitions. Second operand has 191 states, 190 states have (on average 2.5210526315789474) internal successors, (479), 191 states have internal predecessors, (479), 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 19:13:54,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:13:54,755 INFO L93 Difference]: Finished difference Result 323 states and 354 transitions. [2022-12-13 19:13:54,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-12-13 19:13:54,755 INFO L78 Accepts]: Start accepts. Automaton has has 191 states, 190 states have (on average 2.5210526315789474) internal successors, (479), 191 states have internal predecessors, (479), 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 161 [2022-12-13 19:13:54,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:13:54,756 INFO L225 Difference]: With dead ends: 323 [2022-12-13 19:13:54,756 INFO L226 Difference]: Without dead ends: 322 [2022-12-13 19:13:54,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 313 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17853 ImplicationChecksByTransitivity, 26.6s TimeCoverageRelationStatistics Valid=14960, Invalid=83950, Unknown=0, NotChecked=0, Total=98910 [2022-12-13 19:13:54,763 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 678 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 13630 mSolverCounterSat, 675 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 14305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 675 IncrementalHoareTripleChecker+Valid, 13630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:13:54,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 133 Invalid, 14305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [675 Valid, 13630 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-13 19:13:54,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-12-13 19:13:54,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2022-12-13 19:13:54,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 321 states have (on average 1.0031152647975077) internal successors, (322), 321 states have internal predecessors, (322), 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 19:13:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 322 transitions. [2022-12-13 19:13:54,778 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 322 transitions. Word has length 161 [2022-12-13 19:13:54,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:13:54,779 INFO L495 AbstractCegarLoop]: Abstraction has 322 states and 322 transitions. [2022-12-13 19:13:54,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 190 states have (on average 2.5210526315789474) internal successors, (479), 191 states have internal predecessors, (479), 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 19:13:54,779 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 322 transitions. [2022-12-13 19:13:54,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-12-13 19:13:54,782 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:13:54,782 INFO L195 NwaCegarLoop]: trace histogram [64, 64, 63, 63, 63, 1, 1, 1, 1] [2022-12-13 19:13:54,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 19:13:54,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 19:13:54,984 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:13:54,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:13:54,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1806601631, now seen corresponding path program 6 times [2022-12-13 19:13:54,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:13:54,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521851322] [2022-12-13 19:13:54,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:13:54,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:13:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:14:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 9954 backedges. 0 proven. 9954 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:14:04,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:14:04,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521851322] [2022-12-13 19:14:04,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521851322] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:14:04,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582221768] [2022-12-13 19:14:04,936 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-13 19:14:04,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:14:04,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:14:04,937 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:14:04,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 19:14:05,130 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s) [2022-12-13 19:14:05,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:14:05,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 192 conjunts are in the unsatisfiable core [2022-12-13 19:14:05,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:14:19,002 INFO L134 CoverageAnalysis]: Checked inductivity of 9954 backedges. 0 proven. 9954 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:14:19,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:14:38,046 INFO L134 CoverageAnalysis]: Checked inductivity of 9954 backedges. 0 proven. 9954 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:14:38,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582221768] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:14:38,046 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:14:38,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [128, 128, 128] total 382 [2022-12-13 19:14:38,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328018080] [2022-12-13 19:14:38,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:14:38,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 383 states [2022-12-13 19:14:38,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:14:38,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 383 interpolants. [2022-12-13 19:14:38,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12862, Invalid=133444, Unknown=0, NotChecked=0, Total=146306 [2022-12-13 19:14:38,056 INFO L87 Difference]: Start difference. First operand 322 states and 322 transitions. Second operand has 383 states, 382 states have (on average 2.5104712041884816) internal successors, (959), 383 states have internal predecessors, (959), 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 19:16:50,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:16:50,270 INFO L93 Difference]: Finished difference Result 643 states and 706 transitions. [2022-12-13 19:16:50,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2022-12-13 19:16:50,271 INFO L78 Accepts]: Start accepts. Automaton has has 383 states, 382 states have (on average 2.5104712041884816) internal successors, (959), 383 states have internal predecessors, (959), 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 321 [2022-12-13 19:16:50,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:16:50,272 INFO L225 Difference]: With dead ends: 643 [2022-12-13 19:16:50,272 INFO L226 Difference]: Without dead ends: 642 [2022-12-13 19:16:50,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1020 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 633 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73581 ImplicationChecksByTransitivity, 150.9s TimeCoverageRelationStatistics Valid=59616, Invalid=342974, Unknown=0, NotChecked=0, Total=402590 [2022-12-13 19:16:50,292 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2482 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 53978 mSolverCounterSat, 2479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2482 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 56457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2479 IncrementalHoareTripleChecker+Valid, 53978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-12-13 19:16:50,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2482 Valid, 259 Invalid, 56457 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2479 Valid, 53978 Invalid, 0 Unknown, 0 Unchecked, 15.8s Time] [2022-12-13 19:16:50,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2022-12-13 19:16:50,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 642. [2022-12-13 19:16:50,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 641 states have (on average 1.001560062402496) internal successors, (642), 641 states have internal predecessors, (642), 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 19:16:50,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 642 transitions. [2022-12-13 19:16:50,315 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 642 transitions. Word has length 321 [2022-12-13 19:16:50,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:16:50,316 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 642 transitions. [2022-12-13 19:16:50,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 383 states, 382 states have (on average 2.5104712041884816) internal successors, (959), 383 states have internal predecessors, (959), 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 19:16:50,316 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 642 transitions. [2022-12-13 19:16:50,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2022-12-13 19:16:50,325 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:16:50,325 INFO L195 NwaCegarLoop]: trace histogram [128, 128, 127, 127, 127, 1, 1, 1, 1] [2022-12-13 19:16:50,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-12-13 19:16:50,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:16:50,527 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 19:16:50,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:16:50,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1421122975, now seen corresponding path program 7 times [2022-12-13 19:16:50,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:16:50,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252599719] [2022-12-13 19:16:50,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:16:50,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:16:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:42,586 INFO L134 CoverageAnalysis]: Checked inductivity of 40386 backedges. 0 proven. 40386 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:17:42,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:17:42,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252599719] [2022-12-13 19:17:42,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252599719] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:17:42,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171874428] [2022-12-13 19:17:42,587 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-13 19:17:42,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:17:42,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:17:42,588 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:17:42,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 19:17:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:17:42,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 203 conjunts are in the unsatisfiable core [2022-12-13 19:17:42,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:18:24,980 INFO L134 CoverageAnalysis]: Checked inductivity of 40386 backedges. 38577 proven. 0 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2022-12-13 19:18:24,980 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:18:24,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171874428] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:18:24,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:18:24,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [203] imperfect sequences [256] total 458 [2022-12-13 19:18:24,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400258634] [2022-12-13 19:18:24,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:18:24,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 203 states [2022-12-13 19:18:24,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:18:24,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2022-12-13 19:18:24,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10913, Invalid=198393, Unknown=0, NotChecked=0, Total=209306 [2022-12-13 19:18:24,990 INFO L87 Difference]: Start difference. First operand 642 states and 642 transitions. Second operand has 203 states, 203 states have (on average 2.5123152709359604) internal successors, (510), 203 states have internal predecessors, (510), 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 19:18:37,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:18:37,532 INFO L93 Difference]: Finished difference Result 642 states and 642 transitions. [2022-12-13 19:18:37,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2022-12-13 19:18:37,532 INFO L78 Accepts]: Start accepts. Automaton has has 203 states, 203 states have (on average 2.5123152709359604) internal successors, (510), 203 states have internal predecessors, (510), 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 641 [2022-12-13 19:18:37,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:18:37,533 INFO L225 Difference]: With dead ends: 642 [2022-12-13 19:18:37,533 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 19:18:37,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 996 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 556 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19701 ImplicationChecksByTransitivity, 71.4s TimeCoverageRelationStatistics Valid=26163, Invalid=284643, Unknown=0, NotChecked=0, Total=310806 [2022-12-13 19:18:37,545 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 200 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 4632 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 4632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:18:37,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 11 Invalid, 4632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4632 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 19:18:37,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 19:18:37,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 19:18:37,546 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 19:18:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 19:18:37,546 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 641 [2022-12-13 19:18:37,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:18:37,546 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:18:37,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 203 states, 203 states have (on average 2.5123152709359604) internal successors, (510), 203 states have internal predecessors, (510), 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 19:18:37,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 19:18:37,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 19:18:37,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-13 19:18:37,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-13 19:18:37,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-13 19:18:37,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-13 19:18:37,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 19:18:37,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 19:18:37,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 19:18:42,447 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-12-13 19:18:42,447 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 19:18:42,448 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2022-12-13 19:18:42,448 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-12-13 19:18:42,448 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2022-12-13 19:18:42,448 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2022-12-13 19:18:42,448 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 17) no Hoare annotation was computed. [2022-12-13 19:18:42,448 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 19:18:42,448 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 19 30) the Hoare annotation is: true [2022-12-13 19:18:42,448 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 19:18:42,448 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-12-13 19:18:42,448 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2022-12-13 19:18:42,448 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 19:18:42,448 INFO L899 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2022-12-13 19:18:42,448 INFO L899 garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed. [2022-12-13 19:18:42,451 INFO L895 garLoopResultBuilder]: At program point L24-2(lines 24 27) the Hoare annotation is: (let ((.cse8 (* 5 |ULTIMATE.start_main_~i~0#1|))) (let ((.cse3 (* 2 |ULTIMATE.start_main_~i~0#1|)) (.cse5 (+ (* |ULTIMATE.start_main_~n~0#1| 15) |ULTIMATE.start_main_~sum~0#1|)) (.cse6 (<= |ULTIMATE.start_main_~sum~0#1| |ULTIMATE.start_main_~i~0#1|)) (.cse4 (+ (* 31 |ULTIMATE.start_main_~n~0#1|) |ULTIMATE.start_main_~sum~0#1|)) (.cse7 (<= (+ 14 |ULTIMATE.start_main_~sum~0#1|) .cse8)) (.cse2 (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~n~0#1| 63))) (.cse0 (<= |ULTIMATE.start_main_~n~0#1| 100)) (.cse1 (<= 0 |ULTIMATE.start_main_~sum~0#1|))) (or (and .cse0 .cse1 (< (+ (* 47 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482567) (<= 80 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 58) (<= 58 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1653)) (and (<= |ULTIMATE.start_main_~i~0#1| 45) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 990) (<= 45 |ULTIMATE.start_main_~i~0#1|)) (and (<= .cse2 (+ 6255 (* 9 |ULTIMATE.start_main_~i~0#1|))) .cse1 (<= 9 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 9) (<= |ULTIMATE.start_main_~sum~0#1| 36)) (and (<= |ULTIMATE.start_main_~i~0#1| 38) .cse0 .cse1 (<= 38 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 703)) (and .cse0 (<= 42 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 861) (<= |ULTIMATE.start_main_~i~0#1| 42)) (and (<= 35 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 595) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 35)) (and .cse0 .cse1 (<= 27 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 27) (<= |ULTIMATE.start_main_~sum~0#1| 351)) (and .cse0 .cse1 (< (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~i~0#1| 60)) 2147481878) (<= 67 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 19) .cse1 (<= 19 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 171)) (and .cse0 .cse1 (<= 74 |ULTIMATE.start_main_~i~0#1|) (< (+ |ULTIMATE.start_main_~sum~0#1| (* 53 |ULTIMATE.start_main_~i~0#1|)) 2147482270)) (and (< (+ (* 57 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482052) .cse0 .cse1 (<= 70 |ULTIMATE.start_main_~i~0#1|)) (and (< (+ |ULTIMATE.start_main_~sum~0#1| (* 51 |ULTIMATE.start_main_~i~0#1|)) 2147482373) .cse0 (<= 76 |ULTIMATE.start_main_~i~0#1|) .cse1) (and .cse1 (<= |ULTIMATE.start_main_~i~0#1| 2) (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1) (<= .cse2 (+ 6297 .cse3))) (and .cse0 (<= 91 |ULTIMATE.start_main_~i~0#1|) .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 36) |ULTIMATE.start_main_~sum~0#1|) 2147483018)) (and (<= |ULTIMATE.start_main_~i~0#1| 62) .cse0 (<= |ULTIMATE.start_main_~sum~0#1| 1891) .cse1 (<= 62 |ULTIMATE.start_main_~i~0#1|)) (and (<= 82 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 45) |ULTIMATE.start_main_~sum~0#1|) 2147482658)) (and (<= (+ 2 |ULTIMATE.start_main_~sum~0#1|) .cse3) .cse1 (<= .cse4 (+ |ULTIMATE.start_main_~i~0#1| 3099)) (<= |ULTIMATE.start_main_~i~0#1| 1)) (and (<= 28 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 28) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 378)) (and .cse0 .cse1 (<= 93 |ULTIMATE.start_main_~i~0#1|) (< (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~i~0#1| 34)) 2147483087)) (and (<= |ULTIMATE.start_main_~sum~0#1| 496) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 32) (<= 32 |ULTIMATE.start_main_~i~0#1|)) (and (<= 90 |ULTIMATE.start_main_~i~0#1|) (< (+ (* |ULTIMATE.start_main_~i~0#1| 37) |ULTIMATE.start_main_~sum~0#1|) 2147482982) .cse0 .cse1) (and (<= |ULTIMATE.start_main_~i~0#1| 16) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 120) (<= 16 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (< (+ (* 30 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483213) .cse1 (<= 97 |ULTIMATE.start_main_~i~0#1|)) (and (<= 55 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1485) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 55)) (and .cse0 .cse1 (<= 26 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 26) (<= |ULTIMATE.start_main_~sum~0#1| 325)) (and .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 54) |ULTIMATE.start_main_~sum~0#1|) 2147482217) (<= 73 |ULTIMATE.start_main_~i~0#1|)) (and .cse1 (<= .cse4 (+ 3079 (* 6 |ULTIMATE.start_main_~i~0#1|))) (<= |ULTIMATE.start_main_~i~0#1| 6) (<= |ULTIMATE.start_main_~sum~0#1| 15) (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 3) .cse1 (<= 3 |ULTIMATE.start_main_~i~0#1|) (<= .cse5 (+ 1494 (* 3 |ULTIMATE.start_main_~i~0#1|))) .cse6) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 31) (<= 31 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 465)) (and .cse0 .cse1 (<= 50 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 50) (<= |ULTIMATE.start_main_~sum~0#1| 1225)) (and (<= 44 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 946) (<= |ULTIMATE.start_main_~i~0#1| 44)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 57) (<= 57 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1596)) (and .cse0 .cse1 (<= 15 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 105) (<= |ULTIMATE.start_main_~i~0#1| 15)) (and .cse0 .cse1 (<= 94 |ULTIMATE.start_main_~i~0#1|) (< (+ (* |ULTIMATE.start_main_~i~0#1| 33) |ULTIMATE.start_main_~sum~0#1|) 2147483120)) (and (<= 66 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 61) |ULTIMATE.start_main_~sum~0#1|) 2147481818)) (and .cse0 .cse1 (<= 59 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1711) (<= |ULTIMATE.start_main_~i~0#1| 59)) (and (<= |ULTIMATE.start_main_~i~0#1| 63) .cse0 .cse1 (<= 63 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1953)) (and (< (+ (* 46 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482613) .cse0 .cse1 (<= 81 |ULTIMATE.start_main_~i~0#1|)) (and (<= 64 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 63) |ULTIMATE.start_main_~sum~0#1|) 2147481695)) (and (<= |ULTIMATE.start_main_~i~0#1| 56) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1540) (<= 56 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~sum~0#1| 190) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 20) (<= 20 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 528) (<= 33 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 33)) (and (<= |ULTIMATE.start_main_~i~0#1| 40) (<= 40 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 780)) (and (<= |ULTIMATE.start_main_~sum~0#1| 1431) .cse0 .cse1 (<= 54 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 54)) (and (<= |ULTIMATE.start_main_~i~0#1| 37) (<= 37 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 666)) (and (<= 86 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* 41 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482828)) (and (<= |ULTIMATE.start_main_~i~0#1| 29) (<= 29 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 406)) (and (< (+ (* 31 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483183) .cse0 .cse1 (<= 96 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= 87 |ULTIMATE.start_main_~i~0#1|) (< (+ |ULTIMATE.start_main_~sum~0#1| (* 40 |ULTIMATE.start_main_~i~0#1|)) 2147482868)) (and .cse1 (<= |ULTIMATE.start_main_~i~0#1| 4) (<= .cse2 (+ 6290 (* |ULTIMATE.start_main_~i~0#1| 4))) .cse7) (and .cse0 .cse1 (< (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~i~0#1| 27)) 2147483297) (<= 100 |ULTIMATE.start_main_~i~0#1|)) (and (<= 43 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 43) (<= |ULTIMATE.start_main_~sum~0#1| 903)) (and (< (+ (* 29 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483242) .cse0 .cse1 (<= 98 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1081) (<= 47 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 47)) (and (<= 49 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1176) (<= |ULTIMATE.start_main_~i~0#1| 49)) (and (<= 79 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 48) |ULTIMATE.start_main_~sum~0#1|) 2147482520)) (and (< (+ (* 32 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483152) .cse0 .cse1 (<= 95 |ULTIMATE.start_main_~i~0#1|)) (and (<= 21 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 210) (<= |ULTIMATE.start_main_~i~0#1| 21)) (and (<= 7 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= .cse4 (+ (* 7 |ULTIMATE.start_main_~i~0#1|) 3072)) (<= |ULTIMATE.start_main_~i~0#1| 7) .cse7) (and .cse0 (<= 88 |ULTIMATE.start_main_~i~0#1|) .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 39) |ULTIMATE.start_main_~sum~0#1|) 2147482907)) (and .cse0 (<= 60 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= |ULTIMATE.start_main_~i~0#1| 60) (<= |ULTIMATE.start_main_~sum~0#1| 1770)) (and .cse1 (<= .cse5 1500) (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 0) .cse6) (and (<= |ULTIMATE.start_main_~sum~0#1| 153) .cse0 .cse1 (<= 18 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 18)) (and (<= |ULTIMATE.start_main_~sum~0#1| 820) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 41) (<= 41 |ULTIMATE.start_main_~i~0#1|)) (and (<= 51 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 51) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1275)) (and (<= 72 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 55) |ULTIMATE.start_main_~sum~0#1|) 2147482163)) (and .cse0 .cse1 (<= 78 |ULTIMATE.start_main_~i~0#1|) (< (+ (* 49 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482472)) (and .cse0 (< (+ (* |ULTIMATE.start_main_~i~0#1| 58) |ULTIMATE.start_main_~sum~0#1|) 2147481995) .cse1 (<= 69 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 53) (<= 53 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1378)) (and .cse1 (<= |ULTIMATE.start_main_~i~0#1| 8) (<= |ULTIMATE.start_main_~sum~0#1| 28) (<= 8 |ULTIMATE.start_main_~i~0#1|) (<= .cse2 (+ (* |ULTIMATE.start_main_~i~0#1| 8) 6264))) (and .cse0 (< (+ (* |ULTIMATE.start_main_~i~0#1| 43) |ULTIMATE.start_main_~sum~0#1|) 2147482745) .cse1 (<= 84 |ULTIMATE.start_main_~i~0#1|)) (and (<= 36 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 630) (<= |ULTIMATE.start_main_~i~0#1| 36)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 231) (<= |ULTIMATE.start_main_~i~0#1| 22) (<= 22 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 52) .cse0 (<= |ULTIMATE.start_main_~sum~0#1| 1326) .cse1 (<= 52 |ULTIMATE.start_main_~i~0#1|)) (and (<= 92 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* 35 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483053)) (and (<= |ULTIMATE.start_main_~i~0#1| 23) .cse0 (<= 23 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 253)) (and .cse0 .cse1 (< (+ (* 44 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482702) (<= 83 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (< (+ (* 42 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482787) .cse1 (<= 85 |ULTIMATE.start_main_~i~0#1|)) (and (<= 12 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 12) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 66)) (and (< (+ (* 52 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482322) .cse0 .cse1 (<= 75 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= 39 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 741) (<= |ULTIMATE.start_main_~i~0#1| 39)) (and .cse0 .cse1 (<= 14 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 91) (<= |ULTIMATE.start_main_~i~0#1| 14)) (and (<= |ULTIMATE.start_main_~i~0#1| 11) (<= |ULTIMATE.start_main_~sum~0#1| 55) .cse1 (<= .cse2 (+ (* |ULTIMATE.start_main_~i~0#1| 11) 6234)) (<= 11 |ULTIMATE.start_main_~i~0#1|)) (and (<= 13 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 13) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 78)) (and .cse0 .cse1 (< (+ (* 59 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147481937) (<= 68 |ULTIMATE.start_main_~i~0#1|)) (and (<= 30 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 30) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 435)) (and .cse1 (<= .cse4 (+ 3085 .cse8)) (<= |ULTIMATE.start_main_~i~0#1| 5) (<= |ULTIMATE.start_main_~sum~0#1| 10) .cse7) (and (< (+ (* |ULTIMATE.start_main_~i~0#1| 50) |ULTIMATE.start_main_~sum~0#1|) 2147482423) .cse0 .cse1 (<= 77 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 24) (<= 24 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 276)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 48) .cse1 (<= 48 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1128)) (and (<= |ULTIMATE.start_main_~i~0#1| 10) (<= 10 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= .cse2 (+ (* |ULTIMATE.start_main_~i~0#1| 10) 6245)) (<= |ULTIMATE.start_main_~sum~0#1| 45)) (and .cse0 .cse1 (<= 65 |ULTIMATE.start_main_~i~0#1|) (< (+ (* 62 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147481757)) (and .cse0 .cse1 (<= 34 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 561) (<= |ULTIMATE.start_main_~i~0#1| 34)) (and (<= |ULTIMATE.start_main_~sum~0#1| 1035) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 46) (<= 46 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (< (+ (* 56 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482108) (<= 71 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (< (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~i~0#1| 28)) 2147483270) (<= 99 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~sum~0#1| 300) .cse1 (<= |ULTIMATE.start_main_~i~0#1| 25) (<= 25 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 61) (<= |ULTIMATE.start_main_~sum~0#1| 1830) .cse0 .cse1 (<= 61 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 17 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 136) (<= |ULTIMATE.start_main_~i~0#1| 17)) (and (< (+ (* |ULTIMATE.start_main_~i~0#1| 38) |ULTIMATE.start_main_~sum~0#1|) 2147482945) .cse0 .cse1 (<= 89 |ULTIMATE.start_main_~i~0#1|))))) [2022-12-13 19:18:42,451 INFO L899 garLoopResultBuilder]: For program point L24-3(lines 24 27) no Hoare annotation was computed. [2022-12-13 19:18:42,451 INFO L899 garLoopResultBuilder]: For program point L14(lines 14 18) no Hoare annotation was computed. [2022-12-13 19:18:42,453 INFO L445 BasicCegarLoop]: Path program histogram: [7, 2, 1, 1, 1, 1, 1] [2022-12-13 19:18:42,455 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:18:42,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:18:42 BoogieIcfgContainer [2022-12-13 19:18:42,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:18:42,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:18:42,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:18:42,492 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:18:42,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:13:06" (3/4) ... [2022-12-13 19:18:42,495 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:18:42,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-13 19:18:42,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 19:18:42,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 19:18:42,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:18:42,537 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:18:42,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:18:42,538 INFO L158 Benchmark]: Toolchain (without parser) took 336324.79ms. Allocated memory was 134.2MB in the beginning and 895.5MB in the end (delta: 761.3MB). Free memory was 98.4MB in the beginning and 610.0MB in the end (delta: -511.6MB). Peak memory consumption was 250.0MB. Max. memory is 16.1GB. [2022-12-13 19:18:42,538 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:18:42,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.04ms. Allocated memory is still 134.2MB. Free memory was 98.0MB in the beginning and 88.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 19:18:42,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.24ms. Allocated memory is still 134.2MB. Free memory was 88.2MB in the beginning and 86.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:18:42,539 INFO L158 Benchmark]: Boogie Preprocessor took 16.15ms. Allocated memory is still 134.2MB. Free memory was 86.8MB in the beginning and 85.8MB in the end (delta: 996.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:18:42,539 INFO L158 Benchmark]: RCFGBuilder took 210.22ms. Allocated memory is still 134.2MB. Free memory was 85.5MB in the beginning and 75.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 19:18:42,540 INFO L158 Benchmark]: TraceAbstraction took 335863.13ms. Allocated memory was 134.2MB in the beginning and 895.5MB in the end (delta: 761.3MB). Free memory was 75.3MB in the beginning and 612.1MB in the end (delta: -536.7MB). Peak memory consumption was 625.4MB. Max. memory is 16.1GB. [2022-12-13 19:18:42,540 INFO L158 Benchmark]: Witness Printer took 45.81ms. Allocated memory is still 895.5MB. Free memory was 612.1MB in the beginning and 610.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:18:42,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.04ms. Allocated memory is still 134.2MB. Free memory was 98.0MB in the beginning and 88.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.24ms. Allocated memory is still 134.2MB. Free memory was 88.2MB in the beginning and 86.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.15ms. Allocated memory is still 134.2MB. Free memory was 86.8MB in the beginning and 85.8MB in the end (delta: 996.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 210.22ms. Allocated memory is still 134.2MB. Free memory was 85.5MB in the beginning and 75.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 335863.13ms. Allocated memory was 134.2MB in the beginning and 895.5MB in the end (delta: 761.3MB). Free memory was 75.3MB in the beginning and 612.1MB in the end (delta: -536.7MB). Peak memory consumption was 625.4MB. Max. memory is 16.1GB. * Witness Printer took 45.81ms. Allocated memory is still 895.5MB. Free memory was 612.1MB in the beginning and 610.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 335.8s, OverallIterations: 14, TraceHistogramMax: 128, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 174.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3742 SdHoareTripleChecker+Valid, 22.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3742 mSDsluCounter, 617 SdHoareTripleChecker+Invalid, 19.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 548 mSDsCounter, 3440 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76952 IncrementalHoareTripleChecker+Invalid, 80392 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3440 mSolverCounterUnsat, 69 mSDtfsCounter, 76952 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3137 GetRequests, 1295 SyntacticMatches, 0 SemanticMatches, 1842 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117047 ImplicationChecksByTransitivity, 258.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=642occurred in iteration=13, InterpolantAutomatonStates: 763, 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, 14 MinimizatonAttempts, 5 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 105 NumberOfFragments, 1754 HoareAnnotationTreeSize, 2 FomulaSimplifications, 780 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 2 FomulaSimplificationsInter, 2532 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.8s SatisfiabilityAnalysisTime, 149.0s InterpolantComputationTime, 2682 NumberOfCodeBlocks, 2662 NumberOfCodeBlocksAsserted, 127 NumberOfCheckSat, 3327 ConstructedInterpolants, 0 QuantifiedInterpolants, 26528 SizeOfPredicates, 246 NumberOfNonLiveVariables, 3110 ConjunctsInSsa, 596 ConjunctsInUnsatCore, 32 InterpolantComputations, 6 PerfectInterpolantSequences, 40456/120226 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 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((n <= 100 && 0 <= sum) && 47 * i + sum < 2147482567) && 80 <= i) || ((((i <= 58 && 58 <= i) && n <= 100) && 0 <= sum) && sum <= 1653)) || ((((i <= 45 && n <= 100) && 0 <= sum) && sum <= 990) && 45 <= i)) || ((((sum + n * 63 <= 6255 + 9 * i && 0 <= sum) && 9 <= i) && i <= 9) && sum <= 36)) || ((((i <= 38 && n <= 100) && 0 <= sum) && 38 <= i) && sum <= 703)) || ((((n <= 100 && 42 <= i) && 0 <= sum) && sum <= 861) && i <= 42)) || ((((35 <= i && sum <= 595) && n <= 100) && 0 <= sum) && i <= 35)) || ((((n <= 100 && 0 <= sum) && 27 <= i) && i <= 27) && sum <= 351)) || (((n <= 100 && 0 <= sum) && sum + i * 60 < 2147481878) && 67 <= i)) || ((((n <= 100 && i <= 19) && 0 <= sum) && 19 <= i) && sum <= 171)) || (((n <= 100 && 0 <= sum) && 74 <= i) && sum + 53 * i < 2147482270)) || (((57 * i + sum < 2147482052 && n <= 100) && 0 <= sum) && 70 <= i)) || (((sum + 51 * i < 2147482373 && n <= 100) && 76 <= i) && 0 <= sum)) || ((((0 <= sum && i <= 2) && 2 <= i) && sum <= 1) && sum + n * 63 <= 6297 + 2 * i)) || (((n <= 100 && 91 <= i) && 0 <= sum) && i * 36 + sum < 2147483018)) || ((((i <= 62 && n <= 100) && sum <= 1891) && 0 <= sum) && 62 <= i)) || (((82 <= i && n <= 100) && 0 <= sum) && i * 45 + sum < 2147482658)) || (((2 + sum <= 2 * i && 0 <= sum) && 31 * n + sum <= i + 3099) && i <= 1)) || ((((28 <= i && i <= 28) && n <= 100) && 0 <= sum) && sum <= 378)) || (((n <= 100 && 0 <= sum) && 93 <= i) && sum + i * 34 < 2147483087)) || ((((sum <= 496 && n <= 100) && 0 <= sum) && i <= 32) && 32 <= i)) || (((90 <= i && i * 37 + sum < 2147482982) && n <= 100) && 0 <= sum)) || ((((i <= 16 && n <= 100) && 0 <= sum) && sum <= 120) && 16 <= i)) || (((n <= 100 && 30 * i + sum < 2147483213) && 0 <= sum) && 97 <= i)) || ((((55 <= i && sum <= 1485) && n <= 100) && 0 <= sum) && i <= 55)) || ((((n <= 100 && 0 <= sum) && 26 <= i) && i <= 26) && sum <= 325)) || (((n <= 100 && 0 <= sum) && i * 54 + sum < 2147482217) && 73 <= i)) || ((((0 <= sum && 31 * n + sum <= 3079 + 6 * i) && i <= 6) && sum <= 15) && 6 <= i)) || ((((i <= 3 && 0 <= sum) && 3 <= i) && n * 15 + sum <= 1494 + 3 * i) && sum <= i)) || ((((n <= 100 && 0 <= sum) && i <= 31) && 31 <= i) && sum <= 465)) || ((((n <= 100 && 0 <= sum) && 50 <= i) && i <= 50) && sum <= 1225)) || ((((44 <= i && n <= 100) && 0 <= sum) && sum <= 946) && i <= 44)) || ((((n <= 100 && i <= 57) && 57 <= i) && 0 <= sum) && sum <= 1596)) || ((((n <= 100 && 0 <= sum) && 15 <= i) && sum <= 105) && i <= 15)) || (((n <= 100 && 0 <= sum) && 94 <= i) && i * 33 + sum < 2147483120)) || (((66 <= i && n <= 100) && 0 <= sum) && i * 61 + sum < 2147481818)) || ((((n <= 100 && 0 <= sum) && 59 <= i) && sum <= 1711) && i <= 59)) || ((((i <= 63 && n <= 100) && 0 <= sum) && 63 <= i) && sum <= 1953)) || (((46 * i + sum < 2147482613 && n <= 100) && 0 <= sum) && 81 <= i)) || (((64 <= i && n <= 100) && 0 <= sum) && i * 63 + sum < 2147481695)) || ((((i <= 56 && n <= 100) && 0 <= sum) && sum <= 1540) && 56 <= i)) || ((((sum <= 190 && n <= 100) && 0 <= sum) && i <= 20) && 20 <= i)) || ((((n <= 100 && 0 <= sum) && sum <= 528) && 33 <= i) && i <= 33)) || ((((i <= 40 && 40 <= i) && n <= 100) && 0 <= sum) && sum <= 780)) || ((((sum <= 1431 && n <= 100) && 0 <= sum) && 54 <= i) && i <= 54)) || ((((i <= 37 && 37 <= i) && n <= 100) && 0 <= sum) && sum <= 666)) || (((86 <= i && n <= 100) && 0 <= sum) && 41 * i + sum < 2147482828)) || ((((i <= 29 && 29 <= i) && n <= 100) && 0 <= sum) && sum <= 406)) || (((31 * i + sum < 2147483183 && n <= 100) && 0 <= sum) && 96 <= i)) || (((n <= 100 && 0 <= sum) && 87 <= i) && sum + 40 * i < 2147482868)) || (((0 <= sum && i <= 4) && sum + n * 63 <= 6290 + i * 4) && 14 + sum <= 5 * i)) || (((n <= 100 && 0 <= sum) && sum + i * 27 < 2147483297) && 100 <= i)) || ((((43 <= i && n <= 100) && 0 <= sum) && i <= 43) && sum <= 903)) || (((29 * i + sum < 2147483242 && n <= 100) && 0 <= sum) && 98 <= i)) || ((((n <= 100 && 0 <= sum) && sum <= 1081) && 47 <= i) && i <= 47)) || ((((49 <= i && n <= 100) && 0 <= sum) && sum <= 1176) && i <= 49)) || (((79 <= i && n <= 100) && 0 <= sum) && i * 48 + sum < 2147482520)) || (((32 * i + sum < 2147483152 && n <= 100) && 0 <= sum) && 95 <= i)) || ((((21 <= i && n <= 100) && 0 <= sum) && sum <= 210) && i <= 21)) || ((((7 <= i && 0 <= sum) && 31 * n + sum <= 7 * i + 3072) && i <= 7) && 14 + sum <= 5 * i)) || (((n <= 100 && 88 <= i) && 0 <= sum) && i * 39 + sum < 2147482907)) || ((((n <= 100 && 60 <= i) && 0 <= sum) && i <= 60) && sum <= 1770)) || (((0 <= sum && n * 15 + sum <= 1500) && i + sum <= 0) && sum <= i)) || ((((sum <= 153 && n <= 100) && 0 <= sum) && 18 <= i) && i <= 18)) || ((((sum <= 820 && n <= 100) && 0 <= sum) && i <= 41) && 41 <= i)) || ((((51 <= i && i <= 51) && n <= 100) && 0 <= sum) && sum <= 1275)) || (((72 <= i && n <= 100) && 0 <= sum) && i * 55 + sum < 2147482163)) || (((n <= 100 && 0 <= sum) && 78 <= i) && 49 * i + sum < 2147482472)) || (((n <= 100 && i * 58 + sum < 2147481995) && 0 <= sum) && 69 <= i)) || ((((i <= 53 && 53 <= i) && n <= 100) && 0 <= sum) && sum <= 1378)) || ((((0 <= sum && i <= 8) && sum <= 28) && 8 <= i) && sum + n * 63 <= i * 8 + 6264)) || (((n <= 100 && i * 43 + sum < 2147482745) && 0 <= sum) && 84 <= i)) || ((((36 <= i && n <= 100) && 0 <= sum) && sum <= 630) && i <= 36)) || ((((n <= 100 && 0 <= sum) && sum <= 231) && i <= 22) && 22 <= i)) || ((((i <= 52 && n <= 100) && sum <= 1326) && 0 <= sum) && 52 <= i)) || (((92 <= i && n <= 100) && 0 <= sum) && 35 * i + sum < 2147483053)) || ((((i <= 23 && n <= 100) && 23 <= i) && 0 <= sum) && sum <= 253)) || (((n <= 100 && 0 <= sum) && 44 * i + sum < 2147482702) && 83 <= i)) || (((n <= 100 && 42 * i + sum < 2147482787) && 0 <= sum) && 85 <= i)) || ((((12 <= i && i <= 12) && n <= 100) && 0 <= sum) && sum <= 66)) || (((52 * i + sum < 2147482322 && n <= 100) && 0 <= sum) && 75 <= i)) || ((((n <= 100 && 0 <= sum) && 39 <= i) && sum <= 741) && i <= 39)) || ((((n <= 100 && 0 <= sum) && 14 <= i) && sum <= 91) && i <= 14)) || ((((i <= 11 && sum <= 55) && 0 <= sum) && sum + n * 63 <= i * 11 + 6234) && 11 <= i)) || ((((13 <= i && i <= 13) && n <= 100) && 0 <= sum) && sum <= 78)) || (((n <= 100 && 0 <= sum) && 59 * i + sum < 2147481937) && 68 <= i)) || ((((30 <= i && i <= 30) && n <= 100) && 0 <= sum) && sum <= 435)) || ((((0 <= sum && 31 * n + sum <= 3085 + 5 * i) && i <= 5) && sum <= 10) && 14 + sum <= 5 * i)) || (((i * 50 + sum < 2147482423 && n <= 100) && 0 <= sum) && 77 <= i)) || ((((n <= 100 && 0 <= sum) && i <= 24) && 24 <= i) && sum <= 276)) || ((((n <= 100 && i <= 48) && 0 <= sum) && 48 <= i) && sum <= 1128)) || ((((i <= 10 && 10 <= i) && 0 <= sum) && sum + n * 63 <= i * 10 + 6245) && sum <= 45)) || (((n <= 100 && 0 <= sum) && 65 <= i) && 62 * i + sum < 2147481757)) || ((((n <= 100 && 0 <= sum) && 34 <= i) && sum <= 561) && i <= 34)) || ((((sum <= 1035 && n <= 100) && 0 <= sum) && i <= 46) && 46 <= i)) || (((n <= 100 && 0 <= sum) && 56 * i + sum < 2147482108) && 71 <= i)) || (((n <= 100 && 0 <= sum) && sum + i * 28 < 2147483270) && 99 <= i)) || ((((n <= 100 && sum <= 300) && 0 <= sum) && i <= 25) && 25 <= i)) || ((((i <= 61 && sum <= 1830) && n <= 100) && 0 <= sum) && 61 <= i)) || ((((n <= 100 && 17 <= i) && 0 <= sum) && sum <= 136) && i <= 17)) || (((i * 38 + sum < 2147482945 && n <= 100) && 0 <= sum) && 89 <= i) RESULT: Ultimate proved your program to be correct! [2022-12-13 19:18:42,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9ff9bd7-cc43-4404-bc33-f39d2e9c7d09/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