./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN --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 a8373cb8fe582bc9cb45d9609c89b33bf31b030c114c7e7fdfee851d52974fb9 --- 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-6b4ec56 [2022-11-20 10:38:19,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:38:19,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:38:19,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:38:19,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:38:19,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:38:19,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:38:19,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:38:19,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:38:19,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:38:19,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:38:19,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:38:19,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:38:19,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:38:19,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:38:19,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:38:20,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:38:20,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:38:20,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:38:20,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:38:20,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:38:20,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:38:20,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:38:20,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:38:20,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:38:20,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:38:20,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:38:20,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:38:20,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:38:20,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:38:20,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:38:20,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:38:20,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:38:20,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:38:20,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:38:20,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:38:20,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:38:20,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:38:20,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:38:20,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:38:20,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:38:20,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-20 10:38:20,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:38:20,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:38:20,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:38:20,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:38:20,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:38:20,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:38:20,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:38:20,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:38:20,059 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:38:20,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:38:20,060 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:38:20,060 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:38:20,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:38:20,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:38:20,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:38:20,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:38:20,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:38:20,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:38:20,062 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 10:38:20,062 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:38:20,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:38:20,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:38:20,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:38:20,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:38:20,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:38:20,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:38:20,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:38:20,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:38:20,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:38:20,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:38:20,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:38:20,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:38:20,066 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:38:20,066 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:38:20,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:38:20,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8373cb8fe582bc9cb45d9609c89b33bf31b030c114c7e7fdfee851d52974fb9 [2022-11-20 10:38:20,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:38:20,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:38:20,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:38:20,363 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:38:20,364 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:38:20,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c [2022-11-20 10:38:23,603 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:38:23,825 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:38:23,825 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c [2022-11-20 10:38:23,836 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/data/5a0ad2d89/c42499960d314749acf17ea54786ebf9/FLAG82005d1df [2022-11-20 10:38:23,864 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/data/5a0ad2d89/c42499960d314749acf17ea54786ebf9 [2022-11-20 10:38:23,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:38:23,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:38:23,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:38:23,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:38:23,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:38:23,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:38:23" (1/1) ... [2022-11-20 10:38:23,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f164bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:23, skipping insertion in model container [2022-11-20 10:38:23,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:38:23" (1/1) ... [2022-11-20 10:38:23,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:38:23,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:38:24,180 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_693c0a18-819f-4e05-8bce-022deb5e8de1/sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c[44494,44507] [2022-11-20 10:38:24,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:38:24,204 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:38:24,257 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_693c0a18-819f-4e05-8bce-022deb5e8de1/sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c[44494,44507] [2022-11-20 10:38:24,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:38:24,275 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:38:24,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:24 WrapperNode [2022-11-20 10:38:24,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:38:24,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:38:24,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:38:24,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:38:24,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:24" (1/1) ... [2022-11-20 10:38:24,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:24" (1/1) ... [2022-11-20 10:38:24,345 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 527 [2022-11-20 10:38:24,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:38:24,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:38:24,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:38:24,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:38:24,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:24" (1/1) ... [2022-11-20 10:38:24,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:24" (1/1) ... [2022-11-20 10:38:24,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:24" (1/1) ... [2022-11-20 10:38:24,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:24" (1/1) ... [2022-11-20 10:38:24,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:24" (1/1) ... [2022-11-20 10:38:24,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:24" (1/1) ... [2022-11-20 10:38:24,411 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:24" (1/1) ... [2022-11-20 10:38:24,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:24" (1/1) ... [2022-11-20 10:38:24,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:38:24,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:38:24,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:38:24,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:38:24,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:24" (1/1) ... [2022-11-20 10:38:24,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:38:24,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:38:24,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:38:24,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:38:24,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:38:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:38:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:38:24,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:38:24,677 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:38:24,679 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:38:24,701 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 10:38:25,642 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-11-20 10:38:25,643 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-11-20 10:38:25,643 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:38:25,652 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:38:25,652 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:38:25,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:38:25 BoogieIcfgContainer [2022-11-20 10:38:25,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:38:25,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:38:25,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:38:25,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:38:25,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:38:23" (1/3) ... [2022-11-20 10:38:25,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c14c054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:38:25, skipping insertion in model container [2022-11-20 10:38:25,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:24" (2/3) ... [2022-11-20 10:38:25,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c14c054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:38:25, skipping insertion in model container [2022-11-20 10:38:25,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:38:25" (3/3) ... [2022-11-20 10:38:25,665 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a.BV.c.cil.c [2022-11-20 10:38:25,689 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:38:25,689 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-20 10:38:25,760 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:38:25,768 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;@52168e59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:38:25,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-20 10:38:25,774 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 144 states have (on average 1.75) internal successors, (252), 152 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:25,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 10:38:25,781 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:25,782 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:25,783 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:25,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:25,789 INFO L85 PathProgramCache]: Analyzing trace with hash -157109622, now seen corresponding path program 1 times [2022-11-20 10:38:25,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:25,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738144416] [2022-11-20 10:38:25,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:25,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:26,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:38:26,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:26,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738144416] [2022-11-20 10:38:26,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738144416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:26,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:26,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:26,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20153025] [2022-11-20 10:38:26,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:26,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:26,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:26,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:26,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:26,309 INFO L87 Difference]: Start difference. First operand has 153 states, 144 states have (on average 1.75) internal successors, (252), 152 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:26,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:26,550 INFO L93 Difference]: Finished difference Result 324 states and 533 transitions. [2022-11-20 10:38:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:26,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2022-11-20 10:38:26,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:26,564 INFO L225 Difference]: With dead ends: 324 [2022-11-20 10:38:26,564 INFO L226 Difference]: Without dead ends: 156 [2022-11-20 10:38:26,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:26,571 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 211 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:26,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 206 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:38:26,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-11-20 10:38:26,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-11-20 10:38:26,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 148 states have (on average 1.5608108108108107) internal successors, (231), 155 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 231 transitions. [2022-11-20 10:38:26,621 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 231 transitions. Word has length 17 [2022-11-20 10:38:26,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:26,621 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 231 transitions. [2022-11-20 10:38:26,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:26,622 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 231 transitions. [2022-11-20 10:38:26,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 10:38:26,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:26,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:26,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:38:26,624 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:26,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:26,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1356112173, now seen corresponding path program 1 times [2022-11-20 10:38:26,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:26,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871767743] [2022-11-20 10:38:26,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:26,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:26,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:38:26,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:26,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871767743] [2022-11-20 10:38:26,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871767743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:26,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:26,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:26,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532549548] [2022-11-20 10:38:26,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:26,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:26,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:26,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:26,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:26,794 INFO L87 Difference]: Start difference. First operand 156 states and 231 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:27,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:27,019 INFO L93 Difference]: Finished difference Result 314 states and 463 transitions. [2022-11-20 10:38:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:27,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-20 10:38:27,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:27,025 INFO L225 Difference]: With dead ends: 314 [2022-11-20 10:38:27,026 INFO L226 Difference]: Without dead ends: 166 [2022-11-20 10:38:27,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:27,036 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 171 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:27,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 149 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:38:27,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-20 10:38:27,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 157. [2022-11-20 10:38:27,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 149 states have (on average 1.5570469798657718) internal successors, (232), 156 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:27,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 232 transitions. [2022-11-20 10:38:27,069 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 232 transitions. Word has length 18 [2022-11-20 10:38:27,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:27,070 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 232 transitions. [2022-11-20 10:38:27,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:27,073 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 232 transitions. [2022-11-20 10:38:27,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 10:38:27,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:27,074 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:27,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:38:27,077 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:27,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:27,080 INFO L85 PathProgramCache]: Analyzing trace with hash 15331092, now seen corresponding path program 1 times [2022-11-20 10:38:27,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:27,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890074350] [2022-11-20 10:38:27,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:27,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:27,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:38:27,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:27,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890074350] [2022-11-20 10:38:27,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890074350] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:27,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:27,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:27,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306408723] [2022-11-20 10:38:27,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:27,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:27,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:27,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:27,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:27,261 INFO L87 Difference]: Start difference. First operand 157 states and 232 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:27,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:27,419 INFO L93 Difference]: Finished difference Result 316 states and 465 transitions. [2022-11-20 10:38:27,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:27,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-20 10:38:27,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:27,422 INFO L225 Difference]: With dead ends: 316 [2022-11-20 10:38:27,422 INFO L226 Difference]: Without dead ends: 167 [2022-11-20 10:38:27,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:27,432 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 169 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:27,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 150 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:27,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-11-20 10:38:27,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 158. [2022-11-20 10:38:27,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 150 states have (on average 1.5533333333333332) internal successors, (233), 157 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:27,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 233 transitions. [2022-11-20 10:38:27,454 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 233 transitions. Word has length 19 [2022-11-20 10:38:27,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:27,454 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 233 transitions. [2022-11-20 10:38:27,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:27,455 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 233 transitions. [2022-11-20 10:38:27,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 10:38:27,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:27,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:27,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:38:27,457 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:27,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:27,461 INFO L85 PathProgramCache]: Analyzing trace with hash 953452818, now seen corresponding path program 1 times [2022-11-20 10:38:27,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:27,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871538535] [2022-11-20 10:38:27,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:27,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:27,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:38:27,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:27,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871538535] [2022-11-20 10:38:27,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871538535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:27,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:27,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:27,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359476276] [2022-11-20 10:38:27,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:27,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:27,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:27,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:27,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:27,597 INFO L87 Difference]: Start difference. First operand 158 states and 233 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:27,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:27,746 INFO L93 Difference]: Finished difference Result 318 states and 467 transitions. [2022-11-20 10:38:27,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:27,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-20 10:38:27,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:27,749 INFO L225 Difference]: With dead ends: 318 [2022-11-20 10:38:27,749 INFO L226 Difference]: Without dead ends: 168 [2022-11-20 10:38:27,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:27,757 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 167 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:27,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 151 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:27,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-20 10:38:27,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 159. [2022-11-20 10:38:27,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 151 states have (on average 1.5496688741721854) internal successors, (234), 158 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:27,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 234 transitions. [2022-11-20 10:38:27,775 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 234 transitions. Word has length 20 [2022-11-20 10:38:27,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:27,782 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 234 transitions. [2022-11-20 10:38:27,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:27,782 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 234 transitions. [2022-11-20 10:38:27,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 10:38:27,783 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:27,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:27,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:38:27,784 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:27,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:27,786 INFO L85 PathProgramCache]: Analyzing trace with hash -476882471, now seen corresponding path program 1 times [2022-11-20 10:38:27,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:27,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89894427] [2022-11-20 10:38:27,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:27,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:27,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:38:27,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:27,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89894427] [2022-11-20 10:38:27,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89894427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:27,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:27,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:27,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419789848] [2022-11-20 10:38:27,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:27,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:27,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:27,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:27,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:27,850 INFO L87 Difference]: Start difference. First operand 159 states and 234 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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) [2022-11-20 10:38:27,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:27,978 INFO L93 Difference]: Finished difference Result 320 states and 469 transitions. [2022-11-20 10:38:27,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:27,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 [2022-11-20 10:38:27,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:27,980 INFO L225 Difference]: With dead ends: 320 [2022-11-20 10:38:27,980 INFO L226 Difference]: Without dead ends: 169 [2022-11-20 10:38:27,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:27,981 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 165 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:27,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 152 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:27,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-11-20 10:38:27,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 160. [2022-11-20 10:38:27,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 152 states have (on average 1.5460526315789473) internal successors, (235), 159 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:27,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 235 transitions. [2022-11-20 10:38:27,992 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 235 transitions. Word has length 21 [2022-11-20 10:38:27,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:27,992 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 235 transitions. [2022-11-20 10:38:27,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:27,993 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 235 transitions. [2022-11-20 10:38:27,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 10:38:27,994 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:27,994 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:27,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:38:27,995 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:27,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:27,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1380240252, now seen corresponding path program 1 times [2022-11-20 10:38:27,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:27,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034851546] [2022-11-20 10:38:27,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:27,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:28,008 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 10:38:28,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1126595737] [2022-11-20 10:38:28,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:28,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:28,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:38:28,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:38:28,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:38:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:28,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:38:28,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:28,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:38:28,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:28,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:28,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034851546] [2022-11-20 10:38:28,199 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 10:38:28,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126595737] [2022-11-20 10:38:28,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126595737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:28,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:28,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:28,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697762348] [2022-11-20 10:38:28,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:28,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:28,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:28,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:28,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:28,201 INFO L87 Difference]: Start difference. First operand 160 states and 235 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:28,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:28,251 INFO L93 Difference]: Finished difference Result 456 states and 673 transitions. [2022-11-20 10:38:28,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:28,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-11-20 10:38:28,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:28,253 INFO L225 Difference]: With dead ends: 456 [2022-11-20 10:38:28,253 INFO L226 Difference]: Without dead ends: 304 [2022-11-20 10:38:28,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:28,254 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 156 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:28,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 382 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:38:28,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2022-11-20 10:38:28,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 300. [2022-11-20 10:38:28,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 292 states have (on average 1.5308219178082192) internal successors, (447), 299 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:28,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 447 transitions. [2022-11-20 10:38:28,301 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 447 transitions. Word has length 40 [2022-11-20 10:38:28,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:28,301 INFO L495 AbstractCegarLoop]: Abstraction has 300 states and 447 transitions. [2022-11-20 10:38:28,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 447 transitions. [2022-11-20 10:38:28,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 10:38:28,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:28,311 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:28,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:28,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:28,517 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:28,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:28,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1758785265, now seen corresponding path program 1 times [2022-11-20 10:38:28,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:28,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139097352] [2022-11-20 10:38:28,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:28,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:28,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:38:28,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:28,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139097352] [2022-11-20 10:38:28,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139097352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:28,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:28,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:28,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654493855] [2022-11-20 10:38:28,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:28,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:28,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:28,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:28,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:28,609 INFO L87 Difference]: Start difference. First operand 300 states and 447 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 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) [2022-11-20 10:38:28,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:28,775 INFO L93 Difference]: Finished difference Result 654 states and 988 transitions. [2022-11-20 10:38:28,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:28,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 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) Word has length 45 [2022-11-20 10:38:28,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:28,781 INFO L225 Difference]: With dead ends: 654 [2022-11-20 10:38:28,781 INFO L226 Difference]: Without dead ends: 362 [2022-11-20 10:38:28,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:28,783 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 141 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:28,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 162 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:28,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-11-20 10:38:28,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2022-11-20 10:38:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 354 states have (on average 1.5564971751412429) internal successors, (551), 361 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:28,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 551 transitions. [2022-11-20 10:38:28,804 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 551 transitions. Word has length 45 [2022-11-20 10:38:28,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:28,805 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 551 transitions. [2022-11-20 10:38:28,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 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) [2022-11-20 10:38:28,805 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 551 transitions. [2022-11-20 10:38:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 10:38:28,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:28,807 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:28,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:38:28,807 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:28,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:28,808 INFO L85 PathProgramCache]: Analyzing trace with hash -23561181, now seen corresponding path program 1 times [2022-11-20 10:38:28,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:28,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134276209] [2022-11-20 10:38:28,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:28,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:28,835 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 10:38:28,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [775046116] [2022-11-20 10:38:28,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:28,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:28,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:38:28,837 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:38:28,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 10:38:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:28,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:38:28,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:28,991 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:38:28,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:28,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:28,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134276209] [2022-11-20 10:38:28,992 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 10:38:28,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775046116] [2022-11-20 10:38:28,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775046116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:28,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:28,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:28,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391661784] [2022-11-20 10:38:28,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:28,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:28,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:28,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:28,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:28,994 INFO L87 Difference]: Start difference. First operand 362 states and 551 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:29,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:29,049 INFO L93 Difference]: Finished difference Result 720 states and 1093 transitions. [2022-11-20 10:38:29,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:29,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-11-20 10:38:29,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:29,055 INFO L225 Difference]: With dead ends: 720 [2022-11-20 10:38:29,055 INFO L226 Difference]: Without dead ends: 537 [2022-11-20 10:38:29,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:29,057 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 157 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:29,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 381 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:38:29,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2022-11-20 10:38:29,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 533. [2022-11-20 10:38:29,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 525 states have (on average 1.5542857142857143) internal successors, (816), 532 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:29,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 816 transitions. [2022-11-20 10:38:29,090 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 816 transitions. Word has length 56 [2022-11-20 10:38:29,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:29,092 INFO L495 AbstractCegarLoop]: Abstraction has 533 states and 816 transitions. [2022-11-20 10:38:29,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:29,092 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 816 transitions. [2022-11-20 10:38:29,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-20 10:38:29,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:29,094 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:29,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:29,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:29,300 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:29,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:29,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1156189689, now seen corresponding path program 1 times [2022-11-20 10:38:29,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:29,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116185963] [2022-11-20 10:38:29,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:29,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:29,383 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 10:38:29,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:29,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116185963] [2022-11-20 10:38:29,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116185963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:29,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:29,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:29,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123972819] [2022-11-20 10:38:29,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:29,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:29,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:29,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:29,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:29,386 INFO L87 Difference]: Start difference. First operand 533 states and 816 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:29,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:29,605 INFO L93 Difference]: Finished difference Result 1112 states and 1695 transitions. [2022-11-20 10:38:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:29,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-11-20 10:38:29,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:29,608 INFO L225 Difference]: With dead ends: 1112 [2022-11-20 10:38:29,608 INFO L226 Difference]: Without dead ends: 587 [2022-11-20 10:38:29,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:29,610 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 163 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:29,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 145 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:38:29,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2022-11-20 10:38:29,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 581. [2022-11-20 10:38:29,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 573 states have (on average 1.5340314136125655) internal successors, (879), 580 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:29,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 879 transitions. [2022-11-20 10:38:29,657 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 879 transitions. Word has length 57 [2022-11-20 10:38:29,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:29,657 INFO L495 AbstractCegarLoop]: Abstraction has 581 states and 879 transitions. [2022-11-20 10:38:29,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:29,658 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 879 transitions. [2022-11-20 10:38:29,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 10:38:29,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:29,659 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:29,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 10:38:29,660 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:29,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:29,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1289299726, now seen corresponding path program 1 times [2022-11-20 10:38:29,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:29,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913936247] [2022-11-20 10:38:29,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:29,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:29,795 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 10:38:29,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:29,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913936247] [2022-11-20 10:38:29,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913936247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:29,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:29,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:29,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848643999] [2022-11-20 10:38:29,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:29,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:29,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:29,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:29,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:29,797 INFO L87 Difference]: Start difference. First operand 581 states and 879 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:29,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:29,954 INFO L93 Difference]: Finished difference Result 1163 states and 1758 transitions. [2022-11-20 10:38:29,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:29,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 58 [2022-11-20 10:38:29,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:29,957 INFO L225 Difference]: With dead ends: 1163 [2022-11-20 10:38:29,957 INFO L226 Difference]: Without dead ends: 590 [2022-11-20 10:38:29,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:29,959 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 161 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:29,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 146 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:29,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2022-11-20 10:38:29,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 584. [2022-11-20 10:38:29,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 576 states have (on average 1.5260416666666667) internal successors, (879), 583 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:29,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 879 transitions. [2022-11-20 10:38:29,994 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 879 transitions. Word has length 58 [2022-11-20 10:38:29,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:29,994 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 879 transitions. [2022-11-20 10:38:29,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:29,995 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 879 transitions. [2022-11-20 10:38:29,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 10:38:29,996 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:29,996 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:29,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 10:38:29,996 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:29,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:29,997 INFO L85 PathProgramCache]: Analyzing trace with hash 3546486, now seen corresponding path program 1 times [2022-11-20 10:38:29,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:29,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313828068] [2022-11-20 10:38:29,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:29,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:30,077 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 10:38:30,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:30,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313828068] [2022-11-20 10:38:30,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313828068] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:30,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:30,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:30,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795744200] [2022-11-20 10:38:30,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:30,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:30,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:30,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:30,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:30,079 INFO L87 Difference]: Start difference. First operand 584 states and 879 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:30,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:30,271 INFO L93 Difference]: Finished difference Result 1292 states and 1971 transitions. [2022-11-20 10:38:30,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:30,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-11-20 10:38:30,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:30,274 INFO L225 Difference]: With dead ends: 1292 [2022-11-20 10:38:30,274 INFO L226 Difference]: Without dead ends: 716 [2022-11-20 10:38:30,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:30,276 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 147 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:30,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 147 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:30,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2022-11-20 10:38:30,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 710. [2022-11-20 10:38:30,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 702 states have (on average 1.5555555555555556) internal successors, (1092), 709 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:30,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 1092 transitions. [2022-11-20 10:38:30,345 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 1092 transitions. Word has length 71 [2022-11-20 10:38:30,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:30,346 INFO L495 AbstractCegarLoop]: Abstraction has 710 states and 1092 transitions. [2022-11-20 10:38:30,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:30,347 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1092 transitions. [2022-11-20 10:38:30,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 10:38:30,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:30,349 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:30,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 10:38:30,349 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:30,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:30,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1399805589, now seen corresponding path program 1 times [2022-11-20 10:38:30,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:30,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806101470] [2022-11-20 10:38:30,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:30,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:30,464 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 10:38:30,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:30,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806101470] [2022-11-20 10:38:30,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806101470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:30,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:30,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:30,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265167855] [2022-11-20 10:38:30,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:30,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:30,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:30,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:30,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:30,468 INFO L87 Difference]: Start difference. First operand 710 states and 1092 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:30,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:30,656 INFO L93 Difference]: Finished difference Result 1514 states and 2337 transitions. [2022-11-20 10:38:30,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:30,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 72 [2022-11-20 10:38:30,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:30,661 INFO L225 Difference]: With dead ends: 1514 [2022-11-20 10:38:30,661 INFO L226 Difference]: Without dead ends: 812 [2022-11-20 10:38:30,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:30,663 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 149 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:30,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 154 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:30,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2022-11-20 10:38:30,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 791. [2022-11-20 10:38:30,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 783 states have (on average 1.5478927203065134) internal successors, (1212), 790 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1212 transitions. [2022-11-20 10:38:30,712 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1212 transitions. Word has length 72 [2022-11-20 10:38:30,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:30,713 INFO L495 AbstractCegarLoop]: Abstraction has 791 states and 1212 transitions. [2022-11-20 10:38:30,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:30,713 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1212 transitions. [2022-11-20 10:38:30,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 10:38:30,715 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:30,715 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:30,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 10:38:30,715 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:30,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:30,716 INFO L85 PathProgramCache]: Analyzing trace with hash -10581937, now seen corresponding path program 1 times [2022-11-20 10:38:30,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:30,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178378083] [2022-11-20 10:38:30,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:30,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:30,788 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 10:38:30,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:30,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178378083] [2022-11-20 10:38:30,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178378083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:30,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:30,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:30,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351656171] [2022-11-20 10:38:30,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:30,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:30,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:30,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:30,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:30,791 INFO L87 Difference]: Start difference. First operand 791 states and 1212 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:30,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:30,974 INFO L93 Difference]: Finished difference Result 1583 states and 2424 transitions. [2022-11-20 10:38:30,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:30,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 72 [2022-11-20 10:38:30,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:30,978 INFO L225 Difference]: With dead ends: 1583 [2022-11-20 10:38:30,978 INFO L226 Difference]: Without dead ends: 800 [2022-11-20 10:38:30,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:30,980 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 146 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:30,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 147 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:30,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-11-20 10:38:31,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 794. [2022-11-20 10:38:31,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 786 states have (on average 1.5419847328244274) internal successors, (1212), 793 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:31,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1212 transitions. [2022-11-20 10:38:31,057 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1212 transitions. Word has length 72 [2022-11-20 10:38:31,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:31,057 INFO L495 AbstractCegarLoop]: Abstraction has 794 states and 1212 transitions. [2022-11-20 10:38:31,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:31,058 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1212 transitions. [2022-11-20 10:38:31,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 10:38:31,065 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:31,065 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:31,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 10:38:31,066 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:31,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:31,066 INFO L85 PathProgramCache]: Analyzing trace with hash -302249710, now seen corresponding path program 1 times [2022-11-20 10:38:31,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:31,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177693045] [2022-11-20 10:38:31,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:31,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:31,151 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 10:38:31,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:31,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177693045] [2022-11-20 10:38:31,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177693045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:31,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:31,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:31,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307650487] [2022-11-20 10:38:31,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:31,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:31,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:31,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:31,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:31,156 INFO L87 Difference]: Start difference. First operand 794 states and 1212 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:31,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:31,333 INFO L93 Difference]: Finished difference Result 1601 states and 2448 transitions. [2022-11-20 10:38:31,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:31,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-11-20 10:38:31,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:31,336 INFO L225 Difference]: With dead ends: 1601 [2022-11-20 10:38:31,336 INFO L226 Difference]: Without dead ends: 815 [2022-11-20 10:38:31,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:31,338 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 148 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:31,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 154 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:31,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2022-11-20 10:38:31,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 794. [2022-11-20 10:38:31,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 786 states have (on average 1.5305343511450382) internal successors, (1203), 793 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:31,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1203 transitions. [2022-11-20 10:38:31,383 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1203 transitions. Word has length 73 [2022-11-20 10:38:31,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:31,383 INFO L495 AbstractCegarLoop]: Abstraction has 794 states and 1203 transitions. [2022-11-20 10:38:31,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:31,384 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1203 transitions. [2022-11-20 10:38:31,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 10:38:31,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:31,385 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:31,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 10:38:31,385 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:31,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:31,386 INFO L85 PathProgramCache]: Analyzing trace with hash 306197706, now seen corresponding path program 1 times [2022-11-20 10:38:31,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:31,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327787308] [2022-11-20 10:38:31,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:31,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:31,398 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 10:38:31,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1026879055] [2022-11-20 10:38:31,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:31,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:31,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:38:31,400 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:38:31,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 10:38:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:31,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:38:31,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:31,580 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 10:38:31,580 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:31,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:31,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327787308] [2022-11-20 10:38:31,581 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 10:38:31,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026879055] [2022-11-20 10:38:31,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026879055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:31,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:31,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:31,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70019092] [2022-11-20 10:38:31,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:31,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:31,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:31,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:31,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:31,583 INFO L87 Difference]: Start difference. First operand 794 states and 1203 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:31,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:31,682 INFO L93 Difference]: Finished difference Result 1584 states and 2397 transitions. [2022-11-20 10:38:31,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:31,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-11-20 10:38:31,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:31,686 INFO L225 Difference]: With dead ends: 1584 [2022-11-20 10:38:31,686 INFO L226 Difference]: Without dead ends: 1056 [2022-11-20 10:38:31,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:31,689 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 155 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:31,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 380 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:38:31,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2022-11-20 10:38:31,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1052. [2022-11-20 10:38:31,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1044 states have (on average 1.5306513409961686) internal successors, (1598), 1051 states have internal predecessors, (1598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1598 transitions. [2022-11-20 10:38:31,753 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1598 transitions. Word has length 77 [2022-11-20 10:38:31,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:31,754 INFO L495 AbstractCegarLoop]: Abstraction has 1052 states and 1598 transitions. [2022-11-20 10:38:31,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:31,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1598 transitions. [2022-11-20 10:38:31,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-20 10:38:31,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:31,756 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:31,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:31,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:31,962 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:31,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:31,962 INFO L85 PathProgramCache]: Analyzing trace with hash 255966258, now seen corresponding path program 1 times [2022-11-20 10:38:31,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:31,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002134535] [2022-11-20 10:38:31,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:31,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:32,039 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 10:38:32,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:32,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002134535] [2022-11-20 10:38:32,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002134535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:32,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:32,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:32,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897091919] [2022-11-20 10:38:32,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:32,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:32,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:32,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:32,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:32,043 INFO L87 Difference]: Start difference. First operand 1052 states and 1598 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:32,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:32,269 INFO L93 Difference]: Finished difference Result 2280 states and 3476 transitions. [2022-11-20 10:38:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:32,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 87 [2022-11-20 10:38:32,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:32,274 INFO L225 Difference]: With dead ends: 2280 [2022-11-20 10:38:32,274 INFO L226 Difference]: Without dead ends: 1236 [2022-11-20 10:38:32,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:32,277 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 131 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:32,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 151 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:38:32,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2022-11-20 10:38:32,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1224. [2022-11-20 10:38:32,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1224 states, 1216 states have (on average 1.5411184210526316) internal successors, (1874), 1223 states have internal predecessors, (1874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:32,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1874 transitions. [2022-11-20 10:38:32,348 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1874 transitions. Word has length 87 [2022-11-20 10:38:32,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:32,348 INFO L495 AbstractCegarLoop]: Abstraction has 1224 states and 1874 transitions. [2022-11-20 10:38:32,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:32,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1874 transitions. [2022-11-20 10:38:32,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 10:38:32,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:32,350 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:32,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 10:38:32,351 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:32,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:32,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1223364464, now seen corresponding path program 1 times [2022-11-20 10:38:32,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:32,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592790698] [2022-11-20 10:38:32,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:32,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:32,463 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 10:38:32,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:32,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592790698] [2022-11-20 10:38:32,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592790698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:32,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:32,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:32,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246809264] [2022-11-20 10:38:32,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:32,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:32,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:32,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:32,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:32,467 INFO L87 Difference]: Start difference. First operand 1224 states and 1874 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:32,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:32,716 INFO L93 Difference]: Finished difference Result 2500 states and 3840 transitions. [2022-11-20 10:38:32,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:32,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 88 [2022-11-20 10:38:32,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:32,721 INFO L225 Difference]: With dead ends: 2500 [2022-11-20 10:38:32,721 INFO L226 Difference]: Without dead ends: 1276 [2022-11-20 10:38:32,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:32,723 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 131 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:32,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 150 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:38:32,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2022-11-20 10:38:32,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1264. [2022-11-20 10:38:32,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 1256 states have (on average 1.552547770700637) internal successors, (1950), 1263 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:32,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1950 transitions. [2022-11-20 10:38:32,791 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1950 transitions. Word has length 88 [2022-11-20 10:38:32,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:32,791 INFO L495 AbstractCegarLoop]: Abstraction has 1264 states and 1950 transitions. [2022-11-20 10:38:32,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:32,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1950 transitions. [2022-11-20 10:38:32,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-20 10:38:32,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:32,795 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:32,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 10:38:32,796 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:32,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:32,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1116790719, now seen corresponding path program 1 times [2022-11-20 10:38:32,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:32,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12158284] [2022-11-20 10:38:32,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:32,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:32,891 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-20 10:38:32,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:32,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12158284] [2022-11-20 10:38:32,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12158284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:32,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:32,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:32,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259768614] [2022-11-20 10:38:32,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:32,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:32,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:32,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:32,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:32,894 INFO L87 Difference]: Start difference. First operand 1264 states and 1950 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:33,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:33,116 INFO L93 Difference]: Finished difference Result 2668 states and 4124 transitions. [2022-11-20 10:38:33,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:33,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 98 [2022-11-20 10:38:33,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:33,121 INFO L225 Difference]: With dead ends: 2668 [2022-11-20 10:38:33,122 INFO L226 Difference]: Without dead ends: 1412 [2022-11-20 10:38:33,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:33,124 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 151 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:33,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 165 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:33,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2022-11-20 10:38:33,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1364. [2022-11-20 10:38:33,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1356 states have (on average 1.5383480825958702) internal successors, (2086), 1363 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:33,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 2086 transitions. [2022-11-20 10:38:33,195 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 2086 transitions. Word has length 98 [2022-11-20 10:38:33,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:33,195 INFO L495 AbstractCegarLoop]: Abstraction has 1364 states and 2086 transitions. [2022-11-20 10:38:33,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:33,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 2086 transitions. [2022-11-20 10:38:33,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-20 10:38:33,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:33,198 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:33,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 10:38:33,198 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:33,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:33,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1441074182, now seen corresponding path program 1 times [2022-11-20 10:38:33,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:33,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740604863] [2022-11-20 10:38:33,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:33,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:33,284 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-20 10:38:33,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:33,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740604863] [2022-11-20 10:38:33,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740604863] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:33,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:33,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:33,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144301230] [2022-11-20 10:38:33,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:33,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:33,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:33,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:33,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:33,287 INFO L87 Difference]: Start difference. First operand 1364 states and 2086 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:33,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:33,480 INFO L93 Difference]: Finished difference Result 2768 states and 4240 transitions. [2022-11-20 10:38:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:33,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-11-20 10:38:33,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:33,486 INFO L225 Difference]: With dead ends: 2768 [2022-11-20 10:38:33,486 INFO L226 Difference]: Without dead ends: 1412 [2022-11-20 10:38:33,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:33,489 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 150 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:33,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 165 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:33,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2022-11-20 10:38:33,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1364. [2022-11-20 10:38:33,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1356 states have (on average 1.5235988200589972) internal successors, (2066), 1363 states have internal predecessors, (2066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:33,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 2066 transitions. [2022-11-20 10:38:33,555 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 2066 transitions. Word has length 99 [2022-11-20 10:38:33,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:33,556 INFO L495 AbstractCegarLoop]: Abstraction has 1364 states and 2066 transitions. [2022-11-20 10:38:33,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:33,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 2066 transitions. [2022-11-20 10:38:33,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-20 10:38:33,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:33,559 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:33,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 10:38:33,559 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:33,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:33,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1328244108, now seen corresponding path program 1 times [2022-11-20 10:38:33,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:33,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88647414] [2022-11-20 10:38:33,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:33,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:33,576 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 10:38:33,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1710932393] [2022-11-20 10:38:33,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:33,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:33,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:38:33,580 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:38:33,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 10:38:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:33,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:38:33,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:33,814 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-20 10:38:33,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:33,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:33,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88647414] [2022-11-20 10:38:33,815 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 10:38:33,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710932393] [2022-11-20 10:38:33,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710932393] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:33,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:33,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:33,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176642028] [2022-11-20 10:38:33,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:33,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:33,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:33,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:33,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:33,821 INFO L87 Difference]: Start difference. First operand 1364 states and 2066 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:34,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:34,044 INFO L93 Difference]: Finished difference Result 2756 states and 4164 transitions. [2022-11-20 10:38:34,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:34,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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 117 [2022-11-20 10:38:34,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:34,050 INFO L225 Difference]: With dead ends: 2756 [2022-11-20 10:38:34,050 INFO L226 Difference]: Without dead ends: 1400 [2022-11-20 10:38:34,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:34,054 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 31 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:34,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 308 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:38:34,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1400 states. [2022-11-20 10:38:34,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1400 to 1364. [2022-11-20 10:38:34,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1356 states have (on average 1.4705014749262537) internal successors, (1994), 1363 states have internal predecessors, (1994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1994 transitions. [2022-11-20 10:38:34,132 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1994 transitions. Word has length 117 [2022-11-20 10:38:34,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:34,133 INFO L495 AbstractCegarLoop]: Abstraction has 1364 states and 1994 transitions. [2022-11-20 10:38:34,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1994 transitions. [2022-11-20 10:38:34,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-20 10:38:34,136 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:34,136 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:34,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:34,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:34,342 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:34,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:34,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1689064237, now seen corresponding path program 1 times [2022-11-20 10:38:34,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:34,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408060776] [2022-11-20 10:38:34,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:34,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:34,445 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-20 10:38:34,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:34,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408060776] [2022-11-20 10:38:34,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408060776] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:34,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:34,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:34,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324312984] [2022-11-20 10:38:34,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:34,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:34,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:34,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:34,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:34,448 INFO L87 Difference]: Start difference. First operand 1364 states and 1994 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:34,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:34,681 INFO L93 Difference]: Finished difference Result 2828 states and 4136 transitions. [2022-11-20 10:38:34,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:34,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-11-20 10:38:34,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:34,686 INFO L225 Difference]: With dead ends: 2828 [2022-11-20 10:38:34,687 INFO L226 Difference]: Without dead ends: 1472 [2022-11-20 10:38:34,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:34,689 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 153 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:34,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 150 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:38:34,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2022-11-20 10:38:34,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1460. [2022-11-20 10:38:34,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1460 states, 1452 states have (on average 1.4586776859504131) internal successors, (2118), 1459 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:34,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 2118 transitions. [2022-11-20 10:38:34,760 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 2118 transitions. Word has length 118 [2022-11-20 10:38:34,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:34,760 INFO L495 AbstractCegarLoop]: Abstraction has 1460 states and 2118 transitions. [2022-11-20 10:38:34,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:34,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2118 transitions. [2022-11-20 10:38:34,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-20 10:38:34,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:34,764 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:34,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 10:38:34,764 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:34,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:34,765 INFO L85 PathProgramCache]: Analyzing trace with hash 582430036, now seen corresponding path program 1 times [2022-11-20 10:38:34,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:34,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072909936] [2022-11-20 10:38:34,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:34,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:34,871 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-20 10:38:34,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:34,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072909936] [2022-11-20 10:38:34,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072909936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:34,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:34,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:34,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189783737] [2022-11-20 10:38:34,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:34,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:34,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:34,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:34,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:34,875 INFO L87 Difference]: Start difference. First operand 1460 states and 2118 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:35,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:35,079 INFO L93 Difference]: Finished difference Result 2924 states and 4240 transitions. [2022-11-20 10:38:35,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:35,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 119 [2022-11-20 10:38:35,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:35,084 INFO L225 Difference]: With dead ends: 2924 [2022-11-20 10:38:35,085 INFO L226 Difference]: Without dead ends: 1472 [2022-11-20 10:38:35,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:35,089 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 152 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:35,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 149 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:35,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2022-11-20 10:38:35,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1460. [2022-11-20 10:38:35,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1460 states, 1452 states have (on average 1.4449035812672177) internal successors, (2098), 1459 states have internal predecessors, (2098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:35,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 2098 transitions. [2022-11-20 10:38:35,215 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 2098 transitions. Word has length 119 [2022-11-20 10:38:35,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:35,216 INFO L495 AbstractCegarLoop]: Abstraction has 1460 states and 2098 transitions. [2022-11-20 10:38:35,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:35,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2098 transitions. [2022-11-20 10:38:35,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-20 10:38:35,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:35,220 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:35,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 10:38:35,220 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:35,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:35,221 INFO L85 PathProgramCache]: Analyzing trace with hash -790883194, now seen corresponding path program 1 times [2022-11-20 10:38:35,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:35,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502639599] [2022-11-20 10:38:35,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:35,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:35,349 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-20 10:38:35,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:35,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502639599] [2022-11-20 10:38:35,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502639599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:35,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:35,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:35,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244406025] [2022-11-20 10:38:35,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:35,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:35,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:35,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:35,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:35,353 INFO L87 Difference]: Start difference. First operand 1460 states and 2098 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:35,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:35,597 INFO L93 Difference]: Finished difference Result 3092 states and 4446 transitions. [2022-11-20 10:38:35,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:35,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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 127 [2022-11-20 10:38:35,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:35,604 INFO L225 Difference]: With dead ends: 3092 [2022-11-20 10:38:35,605 INFO L226 Difference]: Without dead ends: 1640 [2022-11-20 10:38:35,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:35,608 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 132 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:35,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 158 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:35,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2022-11-20 10:38:35,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1624. [2022-11-20 10:38:35,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1616 states have (on average 1.4467821782178218) internal successors, (2338), 1623 states have internal predecessors, (2338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:35,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2338 transitions. [2022-11-20 10:38:35,695 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2338 transitions. Word has length 127 [2022-11-20 10:38:35,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:35,696 INFO L495 AbstractCegarLoop]: Abstraction has 1624 states and 2338 transitions. [2022-11-20 10:38:35,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2338 transitions. [2022-11-20 10:38:35,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-20 10:38:35,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:35,699 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:35,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-20 10:38:35,699 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:35,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:35,700 INFO L85 PathProgramCache]: Analyzing trace with hash 13650500, now seen corresponding path program 1 times [2022-11-20 10:38:35,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:35,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059358418] [2022-11-20 10:38:35,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:35,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-20 10:38:35,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:35,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059358418] [2022-11-20 10:38:35,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059358418] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:35,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:35,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:35,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589375561] [2022-11-20 10:38:35,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:35,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:35,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:35,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:35,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:35,794 INFO L87 Difference]: Start difference. First operand 1624 states and 2338 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:36,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:36,055 INFO L93 Difference]: Finished difference Result 3256 states and 4682 transitions. [2022-11-20 10:38:36,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:36,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 128 [2022-11-20 10:38:36,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:36,061 INFO L225 Difference]: With dead ends: 3256 [2022-11-20 10:38:36,061 INFO L226 Difference]: Without dead ends: 1632 [2022-11-20 10:38:36,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:36,064 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 131 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:36,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 154 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:36,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2022-11-20 10:38:36,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1616. [2022-11-20 10:38:36,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1608 states have (on average 1.4440298507462686) internal successors, (2322), 1615 states have internal predecessors, (2322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:36,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2322 transitions. [2022-11-20 10:38:36,152 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2322 transitions. Word has length 128 [2022-11-20 10:38:36,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:36,153 INFO L495 AbstractCegarLoop]: Abstraction has 1616 states and 2322 transitions. [2022-11-20 10:38:36,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:36,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2322 transitions. [2022-11-20 10:38:36,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-20 10:38:36,159 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:36,159 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:36,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-20 10:38:36,159 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:36,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:36,160 INFO L85 PathProgramCache]: Analyzing trace with hash -802934786, now seen corresponding path program 1 times [2022-11-20 10:38:36,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:36,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091559222] [2022-11-20 10:38:36,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:36,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:36,260 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-11-20 10:38:36,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:36,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091559222] [2022-11-20 10:38:36,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091559222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:36,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:36,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:36,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671473054] [2022-11-20 10:38:36,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:36,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:36,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:36,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:36,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:36,264 INFO L87 Difference]: Start difference. First operand 1616 states and 2322 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:36,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:36,488 INFO L93 Difference]: Finished difference Result 3324 states and 4779 transitions. [2022-11-20 10:38:36,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:36,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 139 [2022-11-20 10:38:36,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:36,495 INFO L225 Difference]: With dead ends: 3324 [2022-11-20 10:38:36,495 INFO L226 Difference]: Without dead ends: 1716 [2022-11-20 10:38:36,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:36,498 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 155 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:36,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 151 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:36,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2022-11-20 10:38:36,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1700. [2022-11-20 10:38:36,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 1692 states have (on average 1.429078014184397) internal successors, (2418), 1699 states have internal predecessors, (2418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:36,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2418 transitions. [2022-11-20 10:38:36,613 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2418 transitions. Word has length 139 [2022-11-20 10:38:36,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:36,614 INFO L495 AbstractCegarLoop]: Abstraction has 1700 states and 2418 transitions. [2022-11-20 10:38:36,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:36,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2418 transitions. [2022-11-20 10:38:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-20 10:38:36,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:36,618 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:36,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-20 10:38:36,619 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:36,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:36,619 INFO L85 PathProgramCache]: Analyzing trace with hash -2125881129, now seen corresponding path program 1 times [2022-11-20 10:38:36,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:36,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13793426] [2022-11-20 10:38:36,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:36,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:36,715 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-11-20 10:38:36,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:36,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13793426] [2022-11-20 10:38:36,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13793426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:36,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:36,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:36,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111813825] [2022-11-20 10:38:36,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:36,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:36,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:36,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:36,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:36,718 INFO L87 Difference]: Start difference. First operand 1700 states and 2418 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:36,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:36,931 INFO L93 Difference]: Finished difference Result 3408 states and 4847 transitions. [2022-11-20 10:38:36,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:36,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 140 [2022-11-20 10:38:36,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:36,937 INFO L225 Difference]: With dead ends: 3408 [2022-11-20 10:38:36,937 INFO L226 Difference]: Without dead ends: 1716 [2022-11-20 10:38:36,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:36,940 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 154 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:36,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 150 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:36,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2022-11-20 10:38:37,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1700. [2022-11-20 10:38:37,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 1692 states have (on average 1.4125295508274232) internal successors, (2390), 1699 states have internal predecessors, (2390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:37,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2390 transitions. [2022-11-20 10:38:37,051 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2390 transitions. Word has length 140 [2022-11-20 10:38:37,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:37,051 INFO L495 AbstractCegarLoop]: Abstraction has 1700 states and 2390 transitions. [2022-11-20 10:38:37,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:37,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2390 transitions. [2022-11-20 10:38:37,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-20 10:38:37,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:37,055 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:37,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-20 10:38:37,056 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:37,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:37,056 INFO L85 PathProgramCache]: Analyzing trace with hash 791329785, now seen corresponding path program 1 times [2022-11-20 10:38:37,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:37,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455326829] [2022-11-20 10:38:37,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:37,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:37,133 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2022-11-20 10:38:37,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:37,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455326829] [2022-11-20 10:38:37,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455326829] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:37,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:37,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:37,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602551556] [2022-11-20 10:38:37,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:37,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:37,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:37,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:37,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:37,135 INFO L87 Difference]: Start difference. First operand 1700 states and 2390 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:37,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:37,243 INFO L93 Difference]: Finished difference Result 3374 states and 4736 transitions. [2022-11-20 10:38:37,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:37,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 155 [2022-11-20 10:38:37,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:37,250 INFO L225 Difference]: With dead ends: 3374 [2022-11-20 10:38:37,251 INFO L226 Difference]: Without dead ends: 1682 [2022-11-20 10:38:37,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:37,253 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 174 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:37,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 491 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:38:37,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2022-11-20 10:38:37,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1678. [2022-11-20 10:38:37,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1678 states, 1670 states have (on average 1.4113772455089821) internal successors, (2357), 1677 states have internal predecessors, (2357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:37,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 2357 transitions. [2022-11-20 10:38:37,346 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 2357 transitions. Word has length 155 [2022-11-20 10:38:37,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:37,346 INFO L495 AbstractCegarLoop]: Abstraction has 1678 states and 2357 transitions. [2022-11-20 10:38:37,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:37,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2357 transitions. [2022-11-20 10:38:37,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-20 10:38:37,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:37,350 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:37,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-20 10:38:37,351 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:37,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:37,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1730809671, now seen corresponding path program 1 times [2022-11-20 10:38:37,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:37,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647411331] [2022-11-20 10:38:37,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:37,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:37,461 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 10:38:37,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:37,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647411331] [2022-11-20 10:38:37,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647411331] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:38:37,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879884844] [2022-11-20 10:38:37,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:37,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:37,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:38:37,468 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:38:37,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 10:38:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:37,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:38:37,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 10:38:37,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:38:37,751 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 10:38:37,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879884844] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:38:37,751 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:38:37,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-11-20 10:38:37,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427292734] [2022-11-20 10:38:37,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:38:37,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:38:37,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:37,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:38:37,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:38:37,754 INFO L87 Difference]: Start difference. First operand 1678 states and 2357 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:38,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:38,622 INFO L93 Difference]: Finished difference Result 6079 states and 8476 transitions. [2022-11-20 10:38:38,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 10:38:38,623 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 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 155 [2022-11-20 10:38:38,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:38,649 INFO L225 Difference]: With dead ends: 6079 [2022-11-20 10:38:38,649 INFO L226 Difference]: Without dead ends: 4288 [2022-11-20 10:38:38,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:38:38,653 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 929 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 929 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:38,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [929 Valid, 487 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 10:38:38,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4288 states. [2022-11-20 10:38:38,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4288 to 1960. [2022-11-20 10:38:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1960 states, 1954 states have (on average 1.410951893551689) internal successors, (2757), 1959 states have internal predecessors, (2757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:38,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2757 transitions. [2022-11-20 10:38:38,790 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2757 transitions. Word has length 155 [2022-11-20 10:38:38,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:38,791 INFO L495 AbstractCegarLoop]: Abstraction has 1960 states and 2757 transitions. [2022-11-20 10:38:38,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2757 transitions. [2022-11-20 10:38:38,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-20 10:38:38,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:38,811 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:38,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:39,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-11-20 10:38:39,017 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:39,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:39,018 INFO L85 PathProgramCache]: Analyzing trace with hash -481927805, now seen corresponding path program 1 times [2022-11-20 10:38:39,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:39,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953862127] [2022-11-20 10:38:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:39,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:39,103 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 10:38:39,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:39,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953862127] [2022-11-20 10:38:39,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953862127] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:38:39,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690765564] [2022-11-20 10:38:39,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:39,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:39,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:38:39,105 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:38:39,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 10:38:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:39,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:38:39,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:39,280 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 10:38:39,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:38:39,347 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 10:38:39,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690765564] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:38:39,349 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:38:39,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-11-20 10:38:39,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166003368] [2022-11-20 10:38:39,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:38:39,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:38:39,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:39,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:38:39,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:38:39,352 INFO L87 Difference]: Start difference. First operand 1960 states and 2757 transitions. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:40,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:40,310 INFO L93 Difference]: Finished difference Result 7426 states and 10291 transitions. [2022-11-20 10:38:40,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 10:38:40,311 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 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 157 [2022-11-20 10:38:40,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:40,322 INFO L225 Difference]: With dead ends: 7426 [2022-11-20 10:38:40,323 INFO L226 Difference]: Without dead ends: 5474 [2022-11-20 10:38:40,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:38:40,327 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 564 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:40,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 912 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 10:38:40,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5474 states. [2022-11-20 10:38:40,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5474 to 2726. [2022-11-20 10:38:40,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 2720 states have (on average 1.3683823529411765) internal successors, (3722), 2725 states have internal predecessors, (3722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:40,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3722 transitions. [2022-11-20 10:38:40,542 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3722 transitions. Word has length 157 [2022-11-20 10:38:40,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:40,543 INFO L495 AbstractCegarLoop]: Abstraction has 2726 states and 3722 transitions. [2022-11-20 10:38:40,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:40,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3722 transitions. [2022-11-20 10:38:40,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-20 10:38:40,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:40,548 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:40,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:40,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-11-20 10:38:40,754 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:40,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:40,755 INFO L85 PathProgramCache]: Analyzing trace with hash 893108612, now seen corresponding path program 1 times [2022-11-20 10:38:40,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:40,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070538855] [2022-11-20 10:38:40,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:40,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:40,805 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-20 10:38:40,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:40,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070538855] [2022-11-20 10:38:40,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070538855] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:40,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:40,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:40,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498850401] [2022-11-20 10:38:40,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:40,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:40,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:40,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:40,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:40,808 INFO L87 Difference]: Start difference. First operand 2726 states and 3722 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:40,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:40,963 INFO L93 Difference]: Finished difference Result 4589 states and 6262 transitions. [2022-11-20 10:38:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:40,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2022-11-20 10:38:40,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:40,968 INFO L225 Difference]: With dead ends: 4589 [2022-11-20 10:38:40,969 INFO L226 Difference]: Without dead ends: 2458 [2022-11-20 10:38:40,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:40,972 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 92 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:40,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 453 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:38:40,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2022-11-20 10:38:41,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 2458. [2022-11-20 10:38:41,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2458 states, 2452 states have (on average 1.3650081566068515) internal successors, (3347), 2457 states have internal predecessors, (3347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:41,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2458 states and 3347 transitions. [2022-11-20 10:38:41,128 INFO L78 Accepts]: Start accepts. Automaton has 2458 states and 3347 transitions. Word has length 166 [2022-11-20 10:38:41,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:41,129 INFO L495 AbstractCegarLoop]: Abstraction has 2458 states and 3347 transitions. [2022-11-20 10:38:41,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:41,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 3347 transitions. [2022-11-20 10:38:41,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-20 10:38:41,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:41,133 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:41,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-20 10:38:41,134 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:41,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:41,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1887802310, now seen corresponding path program 1 times [2022-11-20 10:38:41,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:41,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771535414] [2022-11-20 10:38:41,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:41,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:41,193 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-20 10:38:41,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:41,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771535414] [2022-11-20 10:38:41,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771535414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:41,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:41,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:41,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560001595] [2022-11-20 10:38:41,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:41,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:41,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:41,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:41,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:41,195 INFO L87 Difference]: Start difference. First operand 2458 states and 3347 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:41,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:41,414 INFO L93 Difference]: Finished difference Result 5809 states and 7837 transitions. [2022-11-20 10:38:41,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:41,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 166 [2022-11-20 10:38:41,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:41,422 INFO L225 Difference]: With dead ends: 5809 [2022-11-20 10:38:41,422 INFO L226 Difference]: Without dead ends: 3359 [2022-11-20 10:38:41,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:41,426 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 65 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:41,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 466 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:38:41,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3359 states. [2022-11-20 10:38:41,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3359 to 3355. [2022-11-20 10:38:41,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3355 states, 3349 states have (on average 1.3406987160346373) internal successors, (4490), 3354 states have internal predecessors, (4490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:41,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3355 states to 3355 states and 4490 transitions. [2022-11-20 10:38:41,646 INFO L78 Accepts]: Start accepts. Automaton has 3355 states and 4490 transitions. Word has length 166 [2022-11-20 10:38:41,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:41,647 INFO L495 AbstractCegarLoop]: Abstraction has 3355 states and 4490 transitions. [2022-11-20 10:38:41,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:41,647 INFO L276 IsEmpty]: Start isEmpty. Operand 3355 states and 4490 transitions. [2022-11-20 10:38:41,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-20 10:38:41,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:41,652 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:41,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-20 10:38:41,653 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:41,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:41,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1582016052, now seen corresponding path program 1 times [2022-11-20 10:38:41,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:41,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189894286] [2022-11-20 10:38:41,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:41,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:41,677 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 10:38:41,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1834099388] [2022-11-20 10:38:41,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:41,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:41,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:38:41,679 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:38:41,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 10:38:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:41,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:38:41,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:41,931 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-20 10:38:41,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:41,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:41,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189894286] [2022-11-20 10:38:41,932 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 10:38:41,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834099388] [2022-11-20 10:38:41,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834099388] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:41,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:41,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:41,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093632656] [2022-11-20 10:38:41,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:41,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:38:41,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:41,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:38:41,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:38:41,935 INFO L87 Difference]: Start difference. First operand 3355 states and 4490 transitions. Second operand has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:42,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:42,437 INFO L93 Difference]: Finished difference Result 5058 states and 6648 transitions. [2022-11-20 10:38:42,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:38:42,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 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 187 [2022-11-20 10:38:42,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:42,449 INFO L225 Difference]: With dead ends: 5058 [2022-11-20 10:38:42,449 INFO L226 Difference]: Without dead ends: 4241 [2022-11-20 10:38:42,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:38:42,454 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 136 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:42,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 520 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:38:42,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4241 states. [2022-11-20 10:38:42,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4241 to 4060. [2022-11-20 10:38:42,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4060 states, 4054 states have (on average 1.3273310310804145) internal successors, (5381), 4059 states have internal predecessors, (5381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4060 states to 4060 states and 5381 transitions. [2022-11-20 10:38:42,794 INFO L78 Accepts]: Start accepts. Automaton has 4060 states and 5381 transitions. Word has length 187 [2022-11-20 10:38:42,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:42,795 INFO L495 AbstractCegarLoop]: Abstraction has 4060 states and 5381 transitions. [2022-11-20 10:38:42,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:42,796 INFO L276 IsEmpty]: Start isEmpty. Operand 4060 states and 5381 transitions. [2022-11-20 10:38:42,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-11-20 10:38:42,801 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:42,803 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:42,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:43,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:43,010 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:43,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:43,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1804473394, now seen corresponding path program 1 times [2022-11-20 10:38:43,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:43,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317677535] [2022-11-20 10:38:43,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:43,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:43,031 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 10:38:43,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [994030880] [2022-11-20 10:38:43,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:43,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:43,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:38:43,033 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:38:43,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 10:38:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:43,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:38:43,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:43,283 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 10:38:43,284 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:38:43,395 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 10:38:43,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:43,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317677535] [2022-11-20 10:38:43,396 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 10:38:43,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994030880] [2022-11-20 10:38:43,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994030880] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:38:43,396 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:38:43,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2022-11-20 10:38:43,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732138459] [2022-11-20 10:38:43,397 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:38:43,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:38:43,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:43,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:38:43,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:38:43,398 INFO L87 Difference]: Start difference. First operand 4060 states and 5381 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:44,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:44,237 INFO L93 Difference]: Finished difference Result 9546 states and 12590 transitions. [2022-11-20 10:38:44,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:38:44,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 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 188 [2022-11-20 10:38:44,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:44,250 INFO L225 Difference]: With dead ends: 9546 [2022-11-20 10:38:44,250 INFO L226 Difference]: Without dead ends: 5459 [2022-11-20 10:38:44,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 371 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:38:44,255 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 319 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:44,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 367 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 10:38:44,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5459 states. [2022-11-20 10:38:44,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5459 to 3913. [2022-11-20 10:38:44,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3913 states, 3907 states have (on average 1.323777834655746) internal successors, (5172), 3912 states have internal predecessors, (5172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:44,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 3913 states and 5172 transitions. [2022-11-20 10:38:44,543 INFO L78 Accepts]: Start accepts. Automaton has 3913 states and 5172 transitions. Word has length 188 [2022-11-20 10:38:44,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:44,543 INFO L495 AbstractCegarLoop]: Abstraction has 3913 states and 5172 transitions. [2022-11-20 10:38:44,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:44,544 INFO L276 IsEmpty]: Start isEmpty. Operand 3913 states and 5172 transitions. [2022-11-20 10:38:44,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-11-20 10:38:44,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:44,549 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:44,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:44,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:44,765 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:44,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:44,765 INFO L85 PathProgramCache]: Analyzing trace with hash 101013166, now seen corresponding path program 1 times [2022-11-20 10:38:44,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:44,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979381078] [2022-11-20 10:38:44,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:44,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:44,787 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 10:38:44,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311375106] [2022-11-20 10:38:44,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:44,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:44,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:38:44,789 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:38:44,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 10:38:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:44,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 10:38:44,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:45,265 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-20 10:38:45,266 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:45,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:45,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979381078] [2022-11-20 10:38:45,266 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 10:38:45,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311375106] [2022-11-20 10:38:45,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311375106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:45,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:45,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:38:45,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517618304] [2022-11-20 10:38:45,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:45,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:38:45,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:45,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:38:45,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:38:45,269 INFO L87 Difference]: Start difference. First operand 3913 states and 5172 transitions. Second operand has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:45,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:45,897 INFO L93 Difference]: Finished difference Result 6813 states and 8895 transitions. [2022-11-20 10:38:45,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:38:45,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 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 189 [2022-11-20 10:38:45,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:45,909 INFO L225 Difference]: With dead ends: 6813 [2022-11-20 10:38:45,910 INFO L226 Difference]: Without dead ends: 5935 [2022-11-20 10:38:45,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:38:45,913 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 266 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:45,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 727 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 10:38:45,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5935 states. [2022-11-20 10:38:46,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5935 to 5313. [2022-11-20 10:38:46,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5313 states, 5307 states have (on average 1.3265498398341813) internal successors, (7040), 5312 states have internal predecessors, (7040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:46,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5313 states to 5313 states and 7040 transitions. [2022-11-20 10:38:46,304 INFO L78 Accepts]: Start accepts. Automaton has 5313 states and 7040 transitions. Word has length 189 [2022-11-20 10:38:46,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:46,304 INFO L495 AbstractCegarLoop]: Abstraction has 5313 states and 7040 transitions. [2022-11-20 10:38:46,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:46,305 INFO L276 IsEmpty]: Start isEmpty. Operand 5313 states and 7040 transitions. [2022-11-20 10:38:46,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-20 10:38:46,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:46,310 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:46,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:46,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:46,516 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:46,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:46,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1163558635, now seen corresponding path program 1 times [2022-11-20 10:38:46,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:46,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520055567] [2022-11-20 10:38:46,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:46,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:46,538 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 10:38:46,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [134394220] [2022-11-20 10:38:46,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:46,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:46,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:38:46,540 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:38:46,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 10:38:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:46,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:38:46,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-20 10:38:46,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:46,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:46,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520055567] [2022-11-20 10:38:46,899 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 10:38:46,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134394220] [2022-11-20 10:38:46,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134394220] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:46,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:46,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:38:46,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286438170] [2022-11-20 10:38:46,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:46,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:38:46,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:46,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:38:46,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:38:46,902 INFO L87 Difference]: Start difference. First operand 5313 states and 7040 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:47,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:47,709 INFO L93 Difference]: Finished difference Result 9993 states and 13245 transitions. [2022-11-20 10:38:47,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:38:47,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 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 190 [2022-11-20 10:38:47,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:47,723 INFO L225 Difference]: With dead ends: 9993 [2022-11-20 10:38:47,723 INFO L226 Difference]: Without dead ends: 5530 [2022-11-20 10:38:47,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:38:47,728 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 186 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:47,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 658 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 10:38:47,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5530 states. [2022-11-20 10:38:48,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5530 to 5481. [2022-11-20 10:38:48,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5481 states, 5475 states have (on average 1.314703196347032) internal successors, (7198), 5480 states have internal predecessors, (7198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:48,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5481 states to 5481 states and 7198 transitions. [2022-11-20 10:38:48,179 INFO L78 Accepts]: Start accepts. Automaton has 5481 states and 7198 transitions. Word has length 190 [2022-11-20 10:38:48,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:48,179 INFO L495 AbstractCegarLoop]: Abstraction has 5481 states and 7198 transitions. [2022-11-20 10:38:48,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:48,180 INFO L276 IsEmpty]: Start isEmpty. Operand 5481 states and 7198 transitions. [2022-11-20 10:38:48,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-20 10:38:48,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:48,186 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:48,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:48,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:48,392 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:48,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:48,393 INFO L85 PathProgramCache]: Analyzing trace with hash -772079227, now seen corresponding path program 1 times [2022-11-20 10:38:48,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:48,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856098777] [2022-11-20 10:38:48,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:48,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:48,409 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 10:38:48,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1579498268] [2022-11-20 10:38:48,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:48,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:48,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:38:48,412 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:38:48,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-20 10:38:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:48,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:38:48,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:48,557 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-20 10:38:48,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:48,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:48,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856098777] [2022-11-20 10:38:48,558 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 10:38:48,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579498268] [2022-11-20 10:38:48,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579498268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:48,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:48,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:48,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554148021] [2022-11-20 10:38:48,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:48,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:48,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:48,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:48,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:48,561 INFO L87 Difference]: Start difference. First operand 5481 states and 7198 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:49,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:49,042 INFO L93 Difference]: Finished difference Result 11051 states and 14526 transitions. [2022-11-20 10:38:49,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:49,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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 197 [2022-11-20 10:38:49,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:49,053 INFO L225 Difference]: With dead ends: 11051 [2022-11-20 10:38:49,054 INFO L226 Difference]: Without dead ends: 3780 [2022-11-20 10:38:49,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:49,059 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 39 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:49,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 274 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:49,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3780 states. [2022-11-20 10:38:49,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3780 to 3770. [2022-11-20 10:38:49,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3770 states, 3764 states have (on average 1.3060573857598299) internal successors, (4916), 3769 states have internal predecessors, (4916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:49,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3770 states to 3770 states and 4916 transitions. [2022-11-20 10:38:49,280 INFO L78 Accepts]: Start accepts. Automaton has 3770 states and 4916 transitions. Word has length 197 [2022-11-20 10:38:49,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:49,280 INFO L495 AbstractCegarLoop]: Abstraction has 3770 states and 4916 transitions. [2022-11-20 10:38:49,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:49,281 INFO L276 IsEmpty]: Start isEmpty. Operand 3770 states and 4916 transitions. [2022-11-20 10:38:49,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-20 10:38:49,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:49,284 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:49,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:49,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-11-20 10:38:49,490 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:49,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:49,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1185552693, now seen corresponding path program 1 times [2022-11-20 10:38:49,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:49,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913530235] [2022-11-20 10:38:49,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:49,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:49,588 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-11-20 10:38:49,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:49,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913530235] [2022-11-20 10:38:49,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913530235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:49,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:49,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:49,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104070129] [2022-11-20 10:38:49,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:49,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:49,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:49,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:49,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:49,593 INFO L87 Difference]: Start difference. First operand 3770 states and 4916 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:49,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:49,888 INFO L93 Difference]: Finished difference Result 7162 states and 9306 transitions. [2022-11-20 10:38:49,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:49,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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 198 [2022-11-20 10:38:49,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:49,903 INFO L225 Difference]: With dead ends: 7162 [2022-11-20 10:38:49,904 INFO L226 Difference]: Without dead ends: 3280 [2022-11-20 10:38:49,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:49,909 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 130 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:49,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 149 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:49,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3280 states. [2022-11-20 10:38:50,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3280 to 3234. [2022-11-20 10:38:50,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3234 states, 3228 states have (on average 1.29182156133829) internal successors, (4170), 3233 states have internal predecessors, (4170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:50,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 3234 states and 4170 transitions. [2022-11-20 10:38:50,134 INFO L78 Accepts]: Start accepts. Automaton has 3234 states and 4170 transitions. Word has length 198 [2022-11-20 10:38:50,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:50,135 INFO L495 AbstractCegarLoop]: Abstraction has 3234 states and 4170 transitions. [2022-11-20 10:38:50,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:50,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 4170 transitions. [2022-11-20 10:38:50,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-11-20 10:38:50,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:50,138 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:50,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-20 10:38:50,138 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:50,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:50,139 INFO L85 PathProgramCache]: Analyzing trace with hash 668179624, now seen corresponding path program 1 times [2022-11-20 10:38:50,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:50,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688704789] [2022-11-20 10:38:50,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:50,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2022-11-20 10:38:50,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:50,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688704789] [2022-11-20 10:38:50,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688704789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:50,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:50,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:50,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181312766] [2022-11-20 10:38:50,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:50,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:50,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:50,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:50,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:50,229 INFO L87 Difference]: Start difference. First operand 3234 states and 4170 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:50,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:50,558 INFO L93 Difference]: Finished difference Result 6769 states and 8698 transitions. [2022-11-20 10:38:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:50,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 336 [2022-11-20 10:38:50,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:50,566 INFO L225 Difference]: With dead ends: 6769 [2022-11-20 10:38:50,567 INFO L226 Difference]: Without dead ends: 3558 [2022-11-20 10:38:50,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:50,571 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:50,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 297 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:50,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3558 states. [2022-11-20 10:38:50,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3558 to 3540. [2022-11-20 10:38:50,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3540 states, 3534 states have (on average 1.2792869269949065) internal successors, (4521), 3539 states have internal predecessors, (4521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:50,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 4521 transitions. [2022-11-20 10:38:50,785 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 4521 transitions. Word has length 336 [2022-11-20 10:38:50,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:50,786 INFO L495 AbstractCegarLoop]: Abstraction has 3540 states and 4521 transitions. [2022-11-20 10:38:50,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:50,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 4521 transitions. [2022-11-20 10:38:50,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-11-20 10:38:50,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:50,789 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:50,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-20 10:38:50,790 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:50,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:50,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1247487280, now seen corresponding path program 1 times [2022-11-20 10:38:50,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:50,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587488193] [2022-11-20 10:38:50,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:50,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:50,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 823 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2022-11-20 10:38:50,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:50,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587488193] [2022-11-20 10:38:50,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587488193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:50,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:50,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:50,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654238613] [2022-11-20 10:38:50,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:50,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:50,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:50,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:50,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:50,875 INFO L87 Difference]: Start difference. First operand 3540 states and 4521 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:51,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:51,193 INFO L93 Difference]: Finished difference Result 7289 states and 9301 transitions. [2022-11-20 10:38:51,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:51,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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 367 [2022-11-20 10:38:51,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:51,201 INFO L225 Difference]: With dead ends: 7289 [2022-11-20 10:38:51,201 INFO L226 Difference]: Without dead ends: 3772 [2022-11-20 10:38:51,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:51,209 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:51,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 297 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:51,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3772 states. [2022-11-20 10:38:51,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3772 to 3758. [2022-11-20 10:38:51,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3758 states, 3752 states have (on average 1.2683901918976546) internal successors, (4759), 3757 states have internal predecessors, (4759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3758 states to 3758 states and 4759 transitions. [2022-11-20 10:38:51,445 INFO L78 Accepts]: Start accepts. Automaton has 3758 states and 4759 transitions. Word has length 367 [2022-11-20 10:38:51,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:51,446 INFO L495 AbstractCegarLoop]: Abstraction has 3758 states and 4759 transitions. [2022-11-20 10:38:51,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:51,446 INFO L276 IsEmpty]: Start isEmpty. Operand 3758 states and 4759 transitions. [2022-11-20 10:38:51,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-11-20 10:38:51,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:51,449 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:51,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-20 10:38:51,450 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:51,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:51,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1284808221, now seen corresponding path program 1 times [2022-11-20 10:38:51,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:51,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906415427] [2022-11-20 10:38:51,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:51,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:51,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 353 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2022-11-20 10:38:51,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:51,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906415427] [2022-11-20 10:38:51,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906415427] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:38:51,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112586385] [2022-11-20 10:38:51,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:51,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:38:51,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:38:51,592 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:38:51,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-20 10:38:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:51,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:38:51,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:51,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 353 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2022-11-20 10:38:51,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:38:51,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 353 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2022-11-20 10:38:51,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112586385] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:38:51,897 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:38:51,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-11-20 10:38:51,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673432785] [2022-11-20 10:38:51,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:38:51,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 10:38:51,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:51,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 10:38:51,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:38:51,899 INFO L87 Difference]: Start difference. First operand 3758 states and 4759 transitions. Second operand has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:52,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:52,156 INFO L93 Difference]: Finished difference Result 4802 states and 6083 transitions. [2022-11-20 10:38:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:38:52,157 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 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 400 [2022-11-20 10:38:52,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:52,158 INFO L225 Difference]: With dead ends: 4802 [2022-11-20 10:38:52,158 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:38:52,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 804 GetRequests, 797 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:38:52,162 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 72 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:52,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 840 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:38:52,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:38:52,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:38:52,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:52,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:38:52,164 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 400 [2022-11-20 10:38:52,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:52,164 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:38:52,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:38:52,164 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:38:52,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:38:52,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-20 10:38:52,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-20 10:38:52,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-20 10:38:52,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-20 10:38:52,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-20 10:38:52,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-20 10:38:52,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-20 10:38:52,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-20 10:38:52,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:52,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-11-20 10:38:52,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:39:02,140 WARN L233 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 516 DAG size of output: 507 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-20 10:39:31,323 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 274) no Hoare annotation was computed. [2022-11-20 10:39:31,324 INFO L895 garLoopResultBuilder]: At program point L597(lines 109 665) the Hoare annotation is: (let ((.cse15 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse14 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (.cse11 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse13 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse0 (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= 8192 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse5 (not (= 8673 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse20 (not (= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse6 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8657))) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672))) (.cse8 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 12292)) (.cse10 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse17 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse18 (<= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse21 (= 3 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse3 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse16 (< 8192 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse19 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640)) (.cse4 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8195))) (.cse12 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse9 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse12 .cse13 .cse14 .cse10) (and .cse15 .cse11 .cse13 .cse14 .cse10) (and .cse15 .cse3 .cse16 .cse11 .cse4 .cse13) (and .cse3 .cse16 .cse17 .cse18 .cse19 .cse4 .cse9) (and .cse17 .cse19 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse9) (and .cse0 .cse20 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481)) .cse1 (not (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8192)) (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= 8513 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480)) .cse4 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8529)) .cse14) (and .cse3 .cse16 .cse21 .cse4 .cse12) (and .cse3 .cse16 .cse11 .cse4 .cse12 .cse13) (and .cse5 .cse20 .cse6 .cse8 .cse12 .cse10) (and (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse5 .cse17 .cse18 .cse8) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640) .cse2 .cse3 .cse4) (and .cse5 .cse20 .cse6 .cse1 .cse7 .cse8 .cse10) (and .cse3 .cse16 .cse17 .cse18 .cse21 .cse4) (and .cse3 .cse16 .cse19 .cse4 .cse12 .cse9))) [2022-11-20 10:39:31,325 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 568) no Hoare annotation was computed. [2022-11-20 10:39:31,325 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2022-11-20 10:39:31,325 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 385) no Hoare annotation was computed. [2022-11-20 10:39:31,325 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2022-11-20 10:39:31,325 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2022-11-20 10:39:31,326 INFO L899 garLoopResultBuilder]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2022-11-20 10:39:31,326 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 604) no Hoare annotation was computed. [2022-11-20 10:39:31,326 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 615) no Hoare annotation was computed. [2022-11-20 10:39:31,326 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 626) no Hoare annotation was computed. [2022-11-20 10:39:31,326 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2022-11-20 10:39:31,326 INFO L899 garLoopResultBuilder]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2022-11-20 10:39:31,326 INFO L902 garLoopResultBuilder]: At program point L666(lines 108 667) the Hoare annotation is: true [2022-11-20 10:39:31,327 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 603) no Hoare annotation was computed. [2022-11-20 10:39:31,327 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 614) no Hoare annotation was computed. [2022-11-20 10:39:31,327 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 625) no Hoare annotation was computed. [2022-11-20 10:39:31,327 INFO L899 garLoopResultBuilder]: For program point L635(lines 635 663) no Hoare annotation was computed. [2022-11-20 10:39:31,327 INFO L899 garLoopResultBuilder]: For program point L272(line 272) no Hoare annotation was computed. [2022-11-20 10:39:31,327 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 256) no Hoare annotation was computed. [2022-11-20 10:39:31,328 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2022-11-20 10:39:31,328 INFO L895 garLoopResultBuilder]: At program point L206(lines 202 604) the Hoare annotation is: (let ((.cse0 (not (= 8673 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672))) (.cse3 (not (<= 12292 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse5 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse4 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 (not (= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640) (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3) .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse4))) [2022-11-20 10:39:31,328 INFO L895 garLoopResultBuilder]: At program point L173(lines 169 615) the Hoare annotation is: (and (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481)) (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (not (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8192)) (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= 8513 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8195)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8529)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2022-11-20 10:39:31,328 INFO L899 garLoopResultBuilder]: For program point L239-2(lines 219 596) no Hoare annotation was computed. [2022-11-20 10:39:31,329 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 660) no Hoare annotation was computed. [2022-11-20 10:39:31,329 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 574) no Hoare annotation was computed. [2022-11-20 10:39:31,329 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 541) no Hoare annotation was computed. [2022-11-20 10:39:31,329 INFO L899 garLoopResultBuilder]: For program point L570-2(lines 570 574) no Hoare annotation was computed. [2022-11-20 10:39:31,329 INFO L899 garLoopResultBuilder]: For program point L537-2(lines 219 596) no Hoare annotation was computed. [2022-11-20 10:39:31,329 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2022-11-20 10:39:31,330 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 274) no Hoare annotation was computed. [2022-11-20 10:39:31,330 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 674) no Hoare annotation was computed. [2022-11-20 10:39:31,330 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 646) no Hoare annotation was computed. [2022-11-20 10:39:31,330 INFO L899 garLoopResultBuilder]: For program point L670-2(lines 670 674) no Hoare annotation was computed. [2022-11-20 10:39:31,330 INFO L899 garLoopResultBuilder]: For program point L637-2(lines 636 658) no Hoare annotation was computed. [2022-11-20 10:39:31,330 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2022-11-20 10:39:31,331 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2022-11-20 10:39:31,331 INFO L895 garLoopResultBuilder]: At program point L373(lines 356 391) the Hoare annotation is: (let ((.cse0 (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (not (= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse4 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481))) (.cse5 (not (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8192))) (.cse6 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse7 (not (= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse8 (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse9 (not (= 8513 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse10 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480))) (.cse11 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8195))) (.cse12 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512))) (.cse13 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse14 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse12 .cse13 .cse14))) [2022-11-20 10:39:31,331 INFO L899 garLoopResultBuilder]: For program point L274(line 274) no Hoare annotation was computed. [2022-11-20 10:39:31,331 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2022-11-20 10:39:31,331 INFO L899 garLoopResultBuilder]: For program point L274-1(line 274) no Hoare annotation was computed. [2022-11-20 10:39:31,332 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 602) no Hoare annotation was computed. [2022-11-20 10:39:31,332 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 613) no Hoare annotation was computed. [2022-11-20 10:39:31,332 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 624) no Hoare annotation was computed. [2022-11-20 10:39:31,332 INFO L895 garLoopResultBuilder]: At program point L109-2(lines 109 665) the Hoare annotation is: (let ((.cse15 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse14 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (.cse11 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse13 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse0 (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= 8192 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse5 (not (= 8673 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse20 (not (= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse6 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8657))) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672))) (.cse8 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 12292)) (.cse10 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse17 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse18 (<= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse21 (= 3 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse3 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse16 (< 8192 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse19 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640)) (.cse4 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8195))) (.cse12 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse9 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse12 .cse13 .cse14 .cse10) (and .cse15 .cse11 .cse13 .cse14 .cse10) (and .cse15 .cse3 .cse16 .cse11 .cse4 .cse13) (and .cse3 .cse16 .cse17 .cse18 .cse19 .cse4 .cse9) (and .cse17 .cse19 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse9) (and .cse0 .cse20 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481)) .cse1 (not (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8192)) (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= 8513 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480)) .cse4 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8529)) .cse14) (and .cse3 .cse16 .cse21 .cse4 .cse12) (and .cse3 .cse16 .cse11 .cse4 .cse12 .cse13) (and .cse5 .cse20 .cse6 .cse8 .cse12 .cse10) (and (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse5 .cse17 .cse18 .cse8) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640) .cse2 .cse3 .cse4) (and .cse5 .cse20 .cse6 .cse1 .cse7 .cse8 .cse10) (and .cse3 .cse16 .cse17 .cse18 .cse21 .cse4) (and .cse3 .cse16 .cse19 .cse4 .cse12 .cse9))) [2022-11-20 10:39:31,333 INFO L895 garLoopResultBuilder]: At program point L407(lines 398 429) the Hoare annotation is: (and (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481)) (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (not (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8192)) (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= 8513 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8195)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8529)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2022-11-20 10:39:31,333 INFO L895 garLoopResultBuilder]: At program point L176(lines 175 613) the Hoare annotation is: (let ((.cse2 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse4 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse6 (<= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse9 (= 3 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse1 (< 8192 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse7 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640)) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8195))) (.cse10 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse8 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse9 .cse3 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse10 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse9 .cse3) (and .cse0 .cse1 .cse7 .cse3 .cse10 .cse8))) [2022-11-20 10:39:31,333 INFO L895 garLoopResultBuilder]: At program point L143(lines 136 626) the Hoare annotation is: (let ((.cse0 (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481))) (.cse4 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse5 (not (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8192))) (.cse6 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse7 (not (= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse8 (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse9 (not (= 8513 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse10 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480))) (.cse11 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8195))) (.cse12 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528))) (.cse13 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8529))) (.cse14 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512))) (.cse15 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse16 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)) .cse15 .cse16) (and .cse0 (not (= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16))) [2022-11-20 10:39:31,333 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-11-20 10:39:31,334 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 511) no Hoare annotation was computed. [2022-11-20 10:39:31,334 INFO L899 garLoopResultBuilder]: For program point L639(lines 639 643) no Hoare annotation was computed. [2022-11-20 10:39:31,334 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2022-11-20 10:39:31,334 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 415) no Hoare annotation was computed. [2022-11-20 10:39:31,334 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 601) no Hoare annotation was computed. [2022-11-20 10:39:31,334 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 612) no Hoare annotation was computed. [2022-11-20 10:39:31,335 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 623) no Hoare annotation was computed. [2022-11-20 10:39:31,335 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 634) no Hoare annotation was computed. [2022-11-20 10:39:31,335 INFO L899 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2022-11-20 10:39:31,335 INFO L895 garLoopResultBuilder]: At program point L212(lines 208 602) the Hoare annotation is: (let ((.cse0 (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 12292))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3) (<= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse1) (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)))) [2022-11-20 10:39:31,335 INFO L895 garLoopResultBuilder]: At program point L113(lines 112 634) the Hoare annotation is: false [2022-11-20 10:39:31,335 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 514) no Hoare annotation was computed. [2022-11-20 10:39:31,336 INFO L899 garLoopResultBuilder]: For program point L510-2(lines 219 596) no Hoare annotation was computed. [2022-11-20 10:39:31,336 INFO L899 garLoopResultBuilder]: For program point L511(line 511) no Hoare annotation was computed. [2022-11-20 10:39:31,336 INFO L899 garLoopResultBuilder]: For program point L511-1(line 511) no Hoare annotation was computed. [2022-11-20 10:39:31,336 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 511) no Hoare annotation was computed. [2022-11-20 10:39:31,336 INFO L899 garLoopResultBuilder]: For program point L511-2(line 511) no Hoare annotation was computed. [2022-11-20 10:39:31,336 INFO L899 garLoopResultBuilder]: For program point L511-3(line 511) no Hoare annotation was computed. [2022-11-20 10:39:31,337 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 252) no Hoare annotation was computed. [2022-11-20 10:39:31,337 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 600) no Hoare annotation was computed. [2022-11-20 10:39:31,337 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 611) no Hoare annotation was computed. [2022-11-20 10:39:31,337 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 622) no Hoare annotation was computed. [2022-11-20 10:39:31,337 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 633) no Hoare annotation was computed. [2022-11-20 10:39:31,337 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 511) no Hoare annotation was computed. [2022-11-20 10:39:31,337 INFO L895 garLoopResultBuilder]: At program point L215(lines 214 600) the Hoare annotation is: (not (= 12292 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) [2022-11-20 10:39:31,338 INFO L895 garLoopResultBuilder]: At program point L182(lines 178 612) the Hoare annotation is: (and (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) [2022-11-20 10:39:31,338 INFO L895 garLoopResultBuilder]: At program point L149(lines 145 623) the Hoare annotation is: (let ((.cse5 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse16 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse0 (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (not (= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse4 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481))) (.cse6 (not (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8192))) (.cse7 (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse8 (not (= 8513 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse9 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480))) (.cse10 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8195))) (.cse17 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse11 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528))) (.cse12 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8529))) (.cse13 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512))) (.cse14 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse15 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse16 .cse14 .cse15) (and .cse0 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8 .cse9 .cse10 .cse17 .cse11 .cse12 .cse13 .cse16 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8 .cse9 .cse10 .cse17 .cse11 .cse12 .cse13 .cse14 .cse15))) [2022-11-20 10:39:31,338 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2022-11-20 10:39:31,338 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2022-11-20 10:39:31,338 INFO L899 garLoopResultBuilder]: For program point L580(lines 580 590) no Hoare annotation was computed. [2022-11-20 10:39:31,339 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 580 590) no Hoare annotation was computed. [2022-11-20 10:39:31,339 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2022-11-20 10:39:31,339 INFO L899 garLoopResultBuilder]: For program point L316-2(lines 219 596) no Hoare annotation was computed. [2022-11-20 10:39:31,339 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 610) no Hoare annotation was computed. [2022-11-20 10:39:31,339 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 621) no Hoare annotation was computed. [2022-11-20 10:39:31,339 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 632) no Hoare annotation was computed. [2022-11-20 10:39:31,340 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2022-11-20 10:39:31,340 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:39:31,340 INFO L895 garLoopResultBuilder]: At program point L218(lines 217 599) the Hoare annotation is: (not (= 12292 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) [2022-11-20 10:39:31,340 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2022-11-20 10:39:31,340 INFO L899 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2022-11-20 10:39:31,340 INFO L902 garLoopResultBuilder]: At program point L681(lines 74 683) the Hoare annotation is: true [2022-11-20 10:39:31,341 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 654) no Hoare annotation was computed. [2022-11-20 10:39:31,341 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 554) no Hoare annotation was computed. [2022-11-20 10:39:31,341 INFO L895 garLoopResultBuilder]: At program point L417(lines 408 428) the Hoare annotation is: (and (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481)) (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (not (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8192)) (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= 8513 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8195)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8529)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2022-11-20 10:39:31,341 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2022-11-20 10:39:31,341 INFO L899 garLoopResultBuilder]: For program point L351-2(lines 219 596) no Hoare annotation was computed. [2022-11-20 10:39:31,342 INFO L902 garLoopResultBuilder]: At program point L682(lines 19 684) the Hoare annotation is: true [2022-11-20 10:39:31,342 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 587) no Hoare annotation was computed. [2022-11-20 10:39:31,342 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 609) no Hoare annotation was computed. [2022-11-20 10:39:31,342 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 620) no Hoare annotation was computed. [2022-11-20 10:39:31,342 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 631) no Hoare annotation was computed. [2022-11-20 10:39:31,342 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2022-11-20 10:39:31,343 INFO L895 garLoopResultBuilder]: At program point L188(lines 184 610) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640)) (.cse2 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 .cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)) .cse2) (and (not (= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) .cse0 .cse1 .cse2))) [2022-11-20 10:39:31,343 INFO L895 garLoopResultBuilder]: At program point L155(lines 151 621) the Hoare annotation is: (let ((.cse0 (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (not (= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse4 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481))) (.cse5 (not (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8192))) (.cse6 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse7 (not (= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse8 (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse9 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480))) (.cse10 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8195))) (.cse11 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528))) (.cse12 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8529))) (.cse13 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse14 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse11 .cse12 .cse13 .cse14))) [2022-11-20 10:39:31,343 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2022-11-20 10:39:31,343 INFO L895 garLoopResultBuilder]: At program point L222(lines 115 633) the Hoare annotation is: false [2022-11-20 10:39:31,343 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2022-11-20 10:39:31,344 INFO L899 garLoopResultBuilder]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2022-11-20 10:39:31,344 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:39:31,344 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 608) no Hoare annotation was computed. [2022-11-20 10:39:31,344 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 619) no Hoare annotation was computed. [2022-11-20 10:39:31,344 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 630) no Hoare annotation was computed. [2022-11-20 10:39:31,344 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2022-11-20 10:39:31,345 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 511) no Hoare annotation was computed. [2022-11-20 10:39:31,345 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 101) no Hoare annotation was computed. [2022-11-20 10:39:31,345 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 74 683) no Hoare annotation was computed. [2022-11-20 10:39:31,345 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 607) no Hoare annotation was computed. [2022-11-20 10:39:31,345 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 618) no Hoare annotation was computed. [2022-11-20 10:39:31,345 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 629) no Hoare annotation was computed. [2022-11-20 10:39:31,346 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 272) no Hoare annotation was computed. [2022-11-20 10:39:31,346 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2022-11-20 10:39:31,346 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:39:31,346 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 390) no Hoare annotation was computed. [2022-11-20 10:39:31,346 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2022-11-20 10:39:31,346 INFO L899 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2022-11-20 10:39:31,346 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2022-11-20 10:39:31,347 INFO L895 garLoopResultBuilder]: At program point L194(lines 190 608) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640)) (.cse2 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 .cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)) .cse2) (and (not (= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) .cse0 .cse1 .cse2))) [2022-11-20 10:39:31,347 INFO L895 garLoopResultBuilder]: At program point L161(lines 157 619) the Hoare annotation is: (let ((.cse0 (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (not (= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse4 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481))) (.cse5 (not (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8192))) (.cse6 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse7 (not (= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse8 (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse9 (not (= 8513 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse10 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480))) (.cse11 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8195))) (.cse12 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512))) (.cse13 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse14 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse12 .cse13 .cse14))) [2022-11-20 10:39:31,347 INFO L899 garLoopResultBuilder]: For program point L227-2(lines 219 596) no Hoare annotation was computed. [2022-11-20 10:39:31,347 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 272) no Hoare annotation was computed. [2022-11-20 10:39:31,347 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2022-11-20 10:39:31,348 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 606) no Hoare annotation was computed. [2022-11-20 10:39:31,348 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 617) no Hoare annotation was computed. [2022-11-20 10:39:31,348 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 628) no Hoare annotation was computed. [2022-11-20 10:39:31,348 INFO L895 garLoopResultBuilder]: At program point L560(lines 74 683) the Hoare annotation is: (not (= 12292 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) [2022-11-20 10:39:31,348 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2022-11-20 10:39:31,348 INFO L899 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2022-11-20 10:39:31,349 INFO L895 garLoopResultBuilder]: At program point L131(lines 127 629) the Hoare annotation is: false [2022-11-20 10:39:31,349 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:39:31,349 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2022-11-20 10:39:31,349 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 276) no Hoare annotation was computed. [2022-11-20 10:39:31,349 INFO L902 garLoopResultBuilder]: At program point L694(lines 685 696) the Hoare annotation is: true [2022-11-20 10:39:31,349 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 270) no Hoare annotation was computed. [2022-11-20 10:39:31,349 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 605) no Hoare annotation was computed. [2022-11-20 10:39:31,350 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 616) no Hoare annotation was computed. [2022-11-20 10:39:31,350 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 627) no Hoare annotation was computed. [2022-11-20 10:39:31,350 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 535) no Hoare annotation was computed. [2022-11-20 10:39:31,350 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2022-11-20 10:39:31,350 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2022-11-20 10:39:31,350 INFO L899 garLoopResultBuilder]: For program point L299-2(lines 219 596) no Hoare annotation was computed. [2022-11-20 10:39:31,351 INFO L895 garLoopResultBuilder]: At program point L200(lines 196 606) the Hoare annotation is: (let ((.cse1 (not (= 8673 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8657))) (.cse3 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse4 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672))) (.cse5 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 12292)) (.cse6 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656))) (.cse0 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse7 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse0) (and .cse1 (not (= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse0 .cse7))) [2022-11-20 10:39:31,351 INFO L895 garLoopResultBuilder]: At program point L167(lines 163 617) the Hoare annotation is: (and (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481)) (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (not (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8192)) (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= 8513 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8195)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8529)) (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2022-11-20 10:39:31,351 INFO L895 garLoopResultBuilder]: At program point L134(lines 133 627) the Hoare annotation is: (let ((.cse0 (not (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8561))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8545))) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8481))) (.cse4 (not (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8192))) (.cse5 (not (= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse6 (not (= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse7 (not (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse8 (not (= 8513 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse9 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8480))) (.cse10 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8195))) (.cse11 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528))) (.cse12 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8529))) (.cse13 (not (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512))) (.cse14 (not (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse15 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15))) [2022-11-20 10:39:31,354 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:31,356 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:39:31,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:39:31 BoogieIcfgContainer [2022-11-20 10:39:31,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:39:31,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:39:31,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:39:31,422 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:39:31,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:38:25" (3/4) ... [2022-11-20 10:39:31,425 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:39:31,447 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 10:39:31,447 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 10:39:31,448 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:39:31,449 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:39:31,555 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:39:31,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:39:31,557 INFO L158 Benchmark]: Toolchain (without parser) took 67687.35ms. Allocated memory was 199.2MB in the beginning and 899.7MB in the end (delta: 700.4MB). Free memory was 153.0MB in the beginning and 505.2MB in the end (delta: -352.2MB). Peak memory consumption was 351.4MB. Max. memory is 16.1GB. [2022-11-20 10:39:31,558 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:39:31,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.66ms. Allocated memory is still 199.2MB. Free memory was 153.0MB in the beginning and 137.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 10:39:31,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.77ms. Allocated memory is still 199.2MB. Free memory was 137.1MB in the beginning and 134.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:39:31,558 INFO L158 Benchmark]: Boogie Preprocessor took 57.23ms. Allocated memory is still 199.2MB. Free memory was 134.1MB in the beginning and 132.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:39:31,559 INFO L158 Benchmark]: RCFGBuilder took 1237.43ms. Allocated memory is still 199.2MB. Free memory was 131.5MB in the beginning and 157.6MB in the end (delta: -26.1MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-11-20 10:39:31,559 INFO L158 Benchmark]: TraceAbstraction took 65763.12ms. Allocated memory was 199.2MB in the beginning and 899.7MB in the end (delta: 700.4MB). Free memory was 156.7MB in the beginning and 513.6MB in the end (delta: -356.9MB). Peak memory consumption was 541.4MB. Max. memory is 16.1GB. [2022-11-20 10:39:31,559 INFO L158 Benchmark]: Witness Printer took 134.19ms. Allocated memory is still 899.7MB. Free memory was 513.6MB in the beginning and 505.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 10:39:31,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.66ms. Allocated memory is still 199.2MB. Free memory was 153.0MB in the beginning and 137.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.77ms. Allocated memory is still 199.2MB. Free memory was 137.1MB in the beginning and 134.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.23ms. Allocated memory is still 199.2MB. Free memory was 134.1MB in the beginning and 132.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1237.43ms. Allocated memory is still 199.2MB. Free memory was 131.5MB in the beginning and 157.6MB in the end (delta: -26.1MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * TraceAbstraction took 65763.12ms. Allocated memory was 199.2MB in the beginning and 899.7MB in the end (delta: 700.4MB). Free memory was 156.7MB in the beginning and 513.6MB in the end (delta: -356.9MB). Peak memory consumption was 541.4MB. Max. memory is 16.1GB. * Witness Printer took 134.19ms. Allocated memory is still 899.7MB. Free memory was 513.6MB in the beginning and 505.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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: 272]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 272]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 511]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 511]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 511]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 511]: 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, 153 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 65.6s, OverallIterations: 40, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 38.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6871 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6871 mSDsluCounter, 11795 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4602 mSDsCounter, 1225 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4980 IncrementalHoareTripleChecker+Invalid, 6205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1225 mSolverCounterUnsat, 7193 mSDtfsCounter, 4980 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2953 GetRequests, 2884 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5481occurred in iteration=35, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.7s AutomataMinimizationTime, 40 MinimizatonAttempts, 7928 StatesRemovedByMinimization, 36 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 288 NumberOfFragments, 2244 HoareAnnotationTreeSize, 29 FomulaSimplifications, 144888 FormulaSimplificationTreeSizeReduction, 21.8s HoareSimplificationTime, 29 FomulaSimplificationsInter, 536403 FormulaSimplificationTreeSizeReductionInter, 17.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 5739 NumberOfCodeBlocks, 5739 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 6592 ConstructedInterpolants, 0 QuantifiedInterpolants, 10712 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3890 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 47 InterpolantComputations, 36 PerfectInterpolantSequences, 13446/13555 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((((blastFlag <= 3 && s__s3__tmp__next_state___0 == 8640) && s__state == 8640) && !(0 == s__hit)) || (((((((!(8673 == s__state) && !(8576 == s__state)) && !(s__state == 8657)) && blastFlag <= 2) && !(s__state == 8672)) && s__state < 12292) && !(s__state == 8656)) && 8576 <= s__state)) || (((((((!(8673 == s__state) && !(s__state == 8657)) && blastFlag <= 2) && !(s__state == 8672)) && s__state < 12292) && !(s__state == 8656)) && !(0 == s__hit)) && 8576 <= s__state) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (((8672 <= s__state && blastFlag <= 3) && 3 <= blastFlag) && s__state < 12292) || ((8672 <= s__state && s__state < 12292) && blastFlag <= 1) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: ((((((((((((((!(8448 == s__state) && !(8576 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag <= 2) && !(s__state <= 8192)) && !(8497 == s__state)) && !(8496 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8512)) && !(8560 == s__state)) && s__state <= 8576 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((((((((2 == blastFlag && s__state <= 8448) && 8192 < s__state) && 8576 <= s__s3__tmp__next_state___0) && !(s__state == 8195)) && s__s3__tmp__next_state___0 <= 8576) || ((((((s__state <= 8448 && 8192 < s__state) && blastFlag <= 3) && 3 <= blastFlag) && s__s3__tmp__next_state___0 == 8640) && !(s__state == 8195)) && !(0 == s__hit))) || ((((s__state <= 8448 && 8192 < s__state) && 3 == s__s3__tmp__next_state___0) && !(s__state == 8195)) && blastFlag <= 1)) || (((((s__state <= 8448 && 8192 < s__state) && 8576 <= s__s3__tmp__next_state___0) && !(s__state == 8195)) && blastFlag <= 1) && s__s3__tmp__next_state___0 <= 8576)) || (((((s__state <= 8448 && 8192 < s__state) && blastFlag <= 3) && 3 <= blastFlag) && 3 == s__s3__tmp__next_state___0) && !(s__state == 8195))) || (((((s__state <= 8448 && 8192 < s__state) && s__s3__tmp__next_state___0 == 8640) && !(s__state == 8195)) && blastFlag <= 1) && !(0 == s__hit)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(8448 == s__state) && blastFlag <= 2) && !(8192 == s__state)) && s__state <= 8448) && !(s__state == 8195)) || ((((((!(8673 == s__state) && !(s__state == 8657)) && blastFlag <= 2) && !(s__state == 8672)) && s__state < 12292) && !(0 == s__hit)) && 8576 <= s__state)) || ((((8576 <= s__s3__tmp__next_state___0 && blastFlag <= 1) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576) && 8576 <= s__state)) || ((((2 == blastFlag && 8576 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576) && 8576 <= s__state)) || (((((2 == blastFlag && s__state <= 8448) && 8192 < s__state) && 8576 <= s__s3__tmp__next_state___0) && !(s__state == 8195)) && s__s3__tmp__next_state___0 <= 8576)) || ((((((s__state <= 8448 && 8192 < s__state) && blastFlag <= 3) && 3 <= blastFlag) && s__s3__tmp__next_state___0 == 8640) && !(s__state == 8195)) && !(0 == s__hit))) || (((blastFlag <= 3 && s__s3__tmp__next_state___0 == 8640) && s__state == 8640) && !(0 == s__hit))) || ((((((((((((!(8448 == s__state) && !(8576 == s__state)) && !(s__state == 8561)) && !(s__state == 8545)) && !(s__state == 8481)) && blastFlag <= 2) && !(s__state <= 8192)) && !(8497 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && !(s__state == 8529)) && s__state <= 8576)) || ((((s__state <= 8448 && 8192 < s__state) && 3 == s__s3__tmp__next_state___0) && !(s__state == 8195)) && blastFlag <= 1)) || (((((s__state <= 8448 && 8192 < s__state) && 8576 <= s__s3__tmp__next_state___0) && !(s__state == 8195)) && blastFlag <= 1) && s__s3__tmp__next_state___0 <= 8576)) || (((((!(8673 == s__state) && !(8576 == s__state)) && !(s__state == 8657)) && s__state < 12292) && blastFlag <= 1) && 8576 <= s__state)) || ((((8672 <= s__state && !(8673 == s__state)) && blastFlag <= 3) && 3 <= blastFlag) && s__state < 12292)) || ((((!(8448 == s__state) && s__s3__tmp__next_state___0 <= 8640) && !(8192 == s__state)) && s__state <= 8448) && !(s__state == 8195))) || ((((((!(8673 == s__state) && !(8576 == s__state)) && !(s__state == 8657)) && blastFlag <= 2) && !(s__state == 8672)) && s__state < 12292) && 8576 <= s__state)) || (((((s__state <= 8448 && 8192 < s__state) && blastFlag <= 3) && 3 <= blastFlag) && 3 == s__s3__tmp__next_state___0) && !(s__state == 8195))) || (((((s__state <= 8448 && 8192 < s__state) && s__s3__tmp__next_state___0 == 8640) && !(s__state == 8195)) && blastFlag <= 1) && !(0 == s__hit)) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (((((((((((((((!(8448 == s__state) && !(8576 == s__state)) && !(s__state == 8561)) && !(s__state == 8545)) && !(s__state == 8481)) && 2 == blastFlag) && !(s__state <= 8192)) && !(8497 == s__state)) && !(8496 == s__state)) && !(8544 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && !(s__state == 8512)) && !(8560 == s__state)) && s__state <= 8576) || (((((((((((((((!(8448 == s__state) && !(8576 == s__state)) && !(s__state == 8561)) && !(s__state == 8545)) && !(s__state == 8481)) && !(s__state <= 8192)) && !(8497 == s__state)) && !(8496 == s__state)) && !(8544 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && blastFlag <= 1) && !(s__state == 8512)) && !(8560 == s__state)) && s__state <= 8576) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: ((((((((((((((!(8448 == s__state) && !(8576 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag <= 2) && !(s__state <= 8192)) && !(8497 == s__state)) && !(8496 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8512)) && !(8560 == s__state)) && s__state <= 8576 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (((((((((((((((!(8448 == s__state) && !(8576 == s__state)) && !(s__state == 8561)) && !(s__state == 8545)) && !(s__state == 8481)) && 2 == blastFlag) && !(s__state <= 8192)) && !(8497 == s__state)) && !(8496 == s__state)) && !(8544 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && !(s__state == 8528)) && !(s__state == 8529)) && !(8560 == s__state)) && s__state <= 8576) || (((((((((((((((!(8448 == s__state) && !(8576 == s__state)) && !(s__state == 8561)) && !(s__state == 8545)) && !(s__state == 8481)) && !(s__state <= 8192)) && !(8497 == s__state)) && !(8496 == s__state)) && !(8544 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && blastFlag <= 1) && !(s__state == 8528)) && !(s__state == 8529)) && !(8560 == s__state)) && s__state <= 8576) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((blastFlag <= 2 && s__state <= 8640) && !(0 == s__hit)) && 8576 <= s__state) || (((!(8576 == s__state) && blastFlag <= 2) && s__state <= 8640) && 8576 <= s__state) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (((((((((((((((!(8448 == s__state) && !(8576 == s__state)) && !(s__state == 8561)) && !(s__state == 8545)) && !(s__state == 8481)) && 2 == blastFlag) && !(s__state <= 8192)) && !(8497 == s__state)) && !(8496 == s__state)) && !(8544 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && !(s__state == 8512)) && !(8560 == s__state)) && s__state <= 8576) || (((((((((((((((!(8448 == s__state) && !(8576 == s__state)) && !(s__state == 8561)) && !(s__state == 8545)) && !(s__state == 8481)) && !(s__state <= 8192)) && !(8497 == s__state)) && !(8496 == s__state)) && !(8544 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && blastFlag <= 1) && !(s__state == 8512)) && !(8560 == s__state)) && s__state <= 8576) - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: ((((((((((((((((!(8448 == s__state) && !(s__state == 8561)) && !(s__state == 8545)) && !(s__state == 8481)) && !(s__state <= 8192)) && !(8497 == s__state)) && s__s3__tmp__next_state___0 <= 8640) && !(8496 == s__state)) && !(8544 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8512)) && !(8560 == s__state)) && s__state <= 8576) || ((((((((((((((((!(8448 == s__state) && !(s__state == 8561)) && !(s__state == 8545)) && !(s__state == 8481)) && blastFlag <= 2) && !(s__state <= 8192)) && !(8497 == s__state)) && !(8496 == s__state)) && !(8544 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8512)) && !(8560 == s__state)) && s__state <= 8576) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: ((((((((((((((!(8448 == s__state) && !(8576 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag <= 2) && !(s__state <= 8192)) && !(8497 == s__state)) && !(8496 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8512)) && !(8560 == s__state)) && s__state <= 8576 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((((((((((((((!(8448 == s__state) && !(8576 == s__state)) && !(s__state == 8545)) && !(s__state == 8481)) && blastFlag <= 2) && !(s__state <= 8192)) && !(8497 == s__state)) && !(8496 == s__state)) && !(8544 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8512)) && s__state <= 8576 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (((((((((((((((((!(8448 == s__state) && !(8576 == s__state)) && !(s__state == 8561)) && !(s__state == 8545)) && !(s__state == 8481)) && 2 == blastFlag) && !(s__state <= 8192)) && !(8544 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8512)) && !(8560 == s__state)) && s__state <= 8576) || (((((((((((((((!(8448 == s__state) && !(s__state == 8561)) && !(s__state == 8545)) && !(s__state == 8481)) && 2 == blastFlag) && !(s__state <= 8192)) && !(8544 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8512)) && !(0 == s__hit)) && !(8560 == s__state)) && s__state <= 8576)) || (((((((((((((((!(8448 == s__state) && !(s__state == 8561)) && !(s__state == 8545)) && !(s__state == 8481)) && !(s__state <= 8192)) && !(8544 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && blastFlag <= 1) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8512)) && !(0 == s__hit)) && !(8560 == s__state)) && s__state <= 8576)) || (((((((((((((((!(8448 == s__state) && !(8576 == s__state)) && !(s__state == 8561)) && !(s__state == 8545)) && !(s__state == 8481)) && !(s__state <= 8192)) && !(8544 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && blastFlag <= 1) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8512)) && !(8560 == s__state)) && s__state <= 8576) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(8448 == s__state) && blastFlag <= 2) && !(8192 == s__state)) && s__state <= 8448) && !(s__state == 8195)) || ((((((!(8673 == s__state) && !(s__state == 8657)) && blastFlag <= 2) && !(s__state == 8672)) && s__state < 12292) && !(0 == s__hit)) && 8576 <= s__state)) || ((((8576 <= s__s3__tmp__next_state___0 && blastFlag <= 1) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576) && 8576 <= s__state)) || ((((2 == blastFlag && 8576 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576) && 8576 <= s__state)) || (((((2 == blastFlag && s__state <= 8448) && 8192 < s__state) && 8576 <= s__s3__tmp__next_state___0) && !(s__state == 8195)) && s__s3__tmp__next_state___0 <= 8576)) || ((((((s__state <= 8448 && 8192 < s__state) && blastFlag <= 3) && 3 <= blastFlag) && s__s3__tmp__next_state___0 == 8640) && !(s__state == 8195)) && !(0 == s__hit))) || (((blastFlag <= 3 && s__s3__tmp__next_state___0 == 8640) && s__state == 8640) && !(0 == s__hit))) || ((((((((((((!(8448 == s__state) && !(8576 == s__state)) && !(s__state == 8561)) && !(s__state == 8545)) && !(s__state == 8481)) && blastFlag <= 2) && !(s__state <= 8192)) && !(8497 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && !(s__state == 8529)) && s__state <= 8576)) || ((((s__state <= 8448 && 8192 < s__state) && 3 == s__s3__tmp__next_state___0) && !(s__state == 8195)) && blastFlag <= 1)) || (((((s__state <= 8448 && 8192 < s__state) && 8576 <= s__s3__tmp__next_state___0) && !(s__state == 8195)) && blastFlag <= 1) && s__s3__tmp__next_state___0 <= 8576)) || (((((!(8673 == s__state) && !(8576 == s__state)) && !(s__state == 8657)) && s__state < 12292) && blastFlag <= 1) && 8576 <= s__state)) || ((((8672 <= s__state && !(8673 == s__state)) && blastFlag <= 3) && 3 <= blastFlag) && s__state < 12292)) || ((((!(8448 == s__state) && s__s3__tmp__next_state___0 <= 8640) && !(8192 == s__state)) && s__state <= 8448) && !(s__state == 8195))) || ((((((!(8673 == s__state) && !(8576 == s__state)) && !(s__state == 8657)) && blastFlag <= 2) && !(s__state == 8672)) && s__state < 12292) && 8576 <= s__state)) || (((((s__state <= 8448 && 8192 < s__state) && blastFlag <= 3) && 3 <= blastFlag) && 3 == s__s3__tmp__next_state___0) && !(s__state == 8195))) || (((((s__state <= 8448 && 8192 < s__state) && s__s3__tmp__next_state___0 == 8640) && !(s__state == 8195)) && blastFlag <= 1) && !(0 == s__hit)) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((blastFlag <= 2 && s__state <= 8640) && !(0 == s__hit)) && 8576 <= s__state) || (((!(8576 == s__state) && blastFlag <= 2) && s__state <= 8640) && 8576 <= s__state) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((((((((((((((!(8448 == s__state) && !(s__state == 8561)) && !(s__state == 8545)) && !(s__state == 8481)) && blastFlag <= 2) && !(s__state <= 8192)) && !(8497 == s__state)) && !(8496 == s__state)) && !(8544 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8512)) && !(0 == s__hit)) && !(8560 == s__state)) && s__state <= 8576) || (((((((((((((((((!(8448 == s__state) && !(8576 == s__state)) && !(s__state == 8561)) && !(s__state == 8545)) && !(s__state == 8481)) && blastFlag <= 2) && !(s__state <= 8192)) && !(8497 == s__state)) && !(8496 == s__state)) && !(8544 == s__state)) && !(8513 == s__state)) && !(s__state == 8480)) && !(s__state == 8195)) && !(s__state == 8528)) && !(s__state == 8529)) && !(s__state == 8512)) && !(8560 == s__state)) && s__state <= 8576) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: !(12292 == s__state) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && s__state <= 8640) && 8576 <= s__state - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((((!(8673 == s__state) && !(8576 == s__state)) && blastFlag <= 2) && !(s__state == 8672)) && !(12292 <= s__state)) && 8576 <= s__state) || ((((((!(8673 == s__state) && !(s__state == 8672)) && s__s3__tmp__next_state___0 <= 8640) && 8640 <= s__state) && blastFlag <= 3) && !(12292 <= s__state)) && !(0 == s__hit))) || (((((!(8673 == s__state) && blastFlag <= 2) && !(s__state == 8672)) && !(12292 <= s__state)) && !(0 == s__hit)) && 8576 <= s__state) RESULT: Ultimate proved your program to be correct! [2022-11-20 10:39:31,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693c0a18-819f-4e05-8bce-022deb5e8de1/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE