./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/diff-3-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-multidimensional/diff-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro --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 ae698f02be6e3657db0e7ca3e62c4cfb121d43a876624ed4d21d19b033e0c02e --- 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-8393723 [2022-11-18 18:43:20,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:43:20,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:43:20,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:43:20,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:43:20,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:43:20,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:43:20,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:43:20,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:43:20,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:43:20,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:43:20,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:43:20,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:43:20,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:43:20,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:43:20,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:43:20,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:43:20,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:43:20,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:43:20,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:43:20,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:43:20,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:43:20,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:43:20,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:43:20,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:43:20,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:43:20,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:43:20,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:43:20,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:43:20,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:43:20,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:43:20,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:43:20,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:43:20,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:43:20,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:43:20,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:43:20,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:43:20,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:43:20,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:43:20,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:43:20,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:43:20,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 18:43:21,001 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:43:21,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:43:21,002 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:43:21,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:43:21,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:43:21,003 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:43:21,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:43:21,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:43:21,004 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:43:21,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:43:21,005 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:43:21,005 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:43:21,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:43:21,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:43:21,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:43:21,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:43:21,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:43:21,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:43:21,026 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 18:43:21,026 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:43:21,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:43:21,027 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:43:21,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:43:21,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:43:21,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:43:21,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:43:21,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:43:21,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:43:21,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:43:21,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:43:21,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:43:21,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:43:21,036 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:43:21,037 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:43:21,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:43:21,037 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_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae698f02be6e3657db0e7ca3e62c4cfb121d43a876624ed4d21d19b033e0c02e [2022-11-18 18:43:21,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:43:21,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:43:21,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:43:21,300 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:43:21,301 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:43:21,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/array-multidimensional/diff-3-n-u.c [2022-11-18 18:43:21,365 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/data/c56d70c54/87868d3e4c764394a270d14fe14b91ed/FLAG96ff91957 [2022-11-18 18:43:21,787 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:43:21,788 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/sv-benchmarks/c/array-multidimensional/diff-3-n-u.c [2022-11-18 18:43:21,794 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/data/c56d70c54/87868d3e4c764394a270d14fe14b91ed/FLAG96ff91957 [2022-11-18 18:43:22,196 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/data/c56d70c54/87868d3e4c764394a270d14fe14b91ed [2022-11-18 18:43:22,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:43:22,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:43:22,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:43:22,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:43:22,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:43:22,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:43:22" (1/1) ... [2022-11-18 18:43:22,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@434cdd7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:22, skipping insertion in model container [2022-11-18 18:43:22,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:43:22" (1/1) ... [2022-11-18 18:43:22,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:43:22,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:43:22,426 WARN L234 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_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/sv-benchmarks/c/array-multidimensional/diff-3-n-u.c[322,335] [2022-11-18 18:43:22,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:43:22,468 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:43:22,481 WARN L234 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_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/sv-benchmarks/c/array-multidimensional/diff-3-n-u.c[322,335] [2022-11-18 18:43:22,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:43:22,529 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:43:22,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:22 WrapperNode [2022-11-18 18:43:22,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:43:22,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:43:22,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:43:22,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:43:22,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:22" (1/1) ... [2022-11-18 18:43:22,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:22" (1/1) ... [2022-11-18 18:43:22,595 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 136 [2022-11-18 18:43:22,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:43:22,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:43:22,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:43:22,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:43:22,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:22" (1/1) ... [2022-11-18 18:43:22,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:22" (1/1) ... [2022-11-18 18:43:22,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:22" (1/1) ... [2022-11-18 18:43:22,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:22" (1/1) ... [2022-11-18 18:43:22,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:22" (1/1) ... [2022-11-18 18:43:22,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:22" (1/1) ... [2022-11-18 18:43:22,629 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:22" (1/1) ... [2022-11-18 18:43:22,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:22" (1/1) ... [2022-11-18 18:43:22,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:43:22,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:43:22,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:43:22,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:43:22,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:22" (1/1) ... [2022-11-18 18:43:22,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:43:22,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:22,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:43:22,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:43:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:43:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:43:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:43:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:43:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:43:22,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:43:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:43:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:43:22,777 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:43:22,779 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:43:23,082 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:43:23,088 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:43:23,089 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-18 18:43:23,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:23 BoogieIcfgContainer [2022-11-18 18:43:23,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:43:23,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:43:23,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:43:23,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:43:23,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:43:22" (1/3) ... [2022-11-18 18:43:23,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43da03e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:43:23, skipping insertion in model container [2022-11-18 18:43:23,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:22" (2/3) ... [2022-11-18 18:43:23,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43da03e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:43:23, skipping insertion in model container [2022-11-18 18:43:23,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:23" (3/3) ... [2022-11-18 18:43:23,104 INFO L112 eAbstractionObserver]: Analyzing ICFG diff-3-n-u.c [2022-11-18 18:43:23,122 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:43:23,122 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-18 18:43:23,173 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:43:23,181 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;@282729d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:43:23,181 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-11-18 18:43:23,186 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 37 states have (on average 2.0) internal successors, (74), 55 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) [2022-11-18 18:43:23,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-18 18:43:23,192 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:23,193 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-18 18:43:23,194 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 18:43:23,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:23,200 INFO L85 PathProgramCache]: Analyzing trace with hash 28699906, now seen corresponding path program 1 times [2022-11-18 18:43:23,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:23,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739735338] [2022-11-18 18:43:23,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:23,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:23,316 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 18:43:23,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1820158188] [2022-11-18 18:43:23,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:23,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:23,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:23,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:43:23,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 18:43:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:23,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:43:23,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:23,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:43:23,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:23,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739735338] [2022-11-18 18:43:23,519 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 18:43:23,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820158188] [2022-11-18 18:43:23,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820158188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:23,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:23,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:23,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424904695] [2022-11-18 18:43:23,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:23,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:23,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:23,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:23,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:23,583 INFO L87 Difference]: Start difference. First operand has 56 states, 37 states have (on average 2.0) internal successors, (74), 55 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) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:23,756 INFO L93 Difference]: Finished difference Result 158 states and 218 transitions. [2022-11-18 18:43:23,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:23,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-18 18:43:23,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:23,779 INFO L225 Difference]: With dead ends: 158 [2022-11-18 18:43:23,784 INFO L226 Difference]: Without dead ends: 94 [2022-11-18 18:43:23,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:23,791 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 52 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:23,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 86 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:43:23,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-18 18:43:23,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 77. [2022-11-18 18:43:23,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 59 states have (on average 1.7796610169491525) internal successors, (105), 76 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2022-11-18 18:43:23,876 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 5 [2022-11-18 18:43:23,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:23,878 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2022-11-18 18:43:23,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,878 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2022-11-18 18:43:23,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-18 18:43:23,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:23,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-18 18:43:23,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:24,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:24,086 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 18:43:24,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:24,087 INFO L85 PathProgramCache]: Analyzing trace with hash 889697163, now seen corresponding path program 1 times [2022-11-18 18:43:24,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:24,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689942868] [2022-11-18 18:43:24,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:24,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:24,102 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 18:43:24,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [805243694] [2022-11-18 18:43:24,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:24,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:24,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:24,109 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:43:24,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 18:43:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:24,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:43:24,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:24,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:24,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:43:24,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:24,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689942868] [2022-11-18 18:43:24,200 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 18:43:24,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805243694] [2022-11-18 18:43:24,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805243694] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:24,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:24,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:24,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186419116] [2022-11-18 18:43:24,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:24,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:24,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:24,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:24,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:24,210 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:24,286 INFO L93 Difference]: Finished difference Result 77 states and 105 transitions. [2022-11-18 18:43:24,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:24,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-18 18:43:24,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:24,290 INFO L225 Difference]: With dead ends: 77 [2022-11-18 18:43:24,290 INFO L226 Difference]: Without dead ends: 74 [2022-11-18 18:43:24,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:24,293 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 46 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:24,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 40 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:43:24,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-18 18:43:24,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-18 18:43:24,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 59 states have (on average 1.728813559322034) internal successors, (102), 73 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2022-11-18 18:43:24,314 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 6 [2022-11-18 18:43:24,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:24,315 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2022-11-18 18:43:24,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,315 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2022-11-18 18:43:24,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-18 18:43:24,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:24,316 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-18 18:43:24,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:24,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:24,517 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 18:43:24,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:24,518 INFO L85 PathProgramCache]: Analyzing trace with hash 889698518, now seen corresponding path program 1 times [2022-11-18 18:43:24,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:24,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656554365] [2022-11-18 18:43:24,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:24,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:24,530 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 18:43:24,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1562093070] [2022-11-18 18:43:24,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:24,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:24,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:24,532 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:43:24,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 18:43:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:24,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:43:24,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:24,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:24,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:43:24,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:24,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656554365] [2022-11-18 18:43:24,618 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 18:43:24,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562093070] [2022-11-18 18:43:24,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562093070] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:24,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:24,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:24,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298598979] [2022-11-18 18:43:24,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:24,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:24,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:24,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:24,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:24,622 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:24,720 INFO L93 Difference]: Finished difference Result 140 states and 197 transitions. [2022-11-18 18:43:24,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:24,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-18 18:43:24,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:24,723 INFO L225 Difference]: With dead ends: 140 [2022-11-18 18:43:24,723 INFO L226 Difference]: Without dead ends: 137 [2022-11-18 18:43:24,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:24,725 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 41 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:24,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 67 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:43:24,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-18 18:43:24,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 108. [2022-11-18 18:43:24,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 93 states have (on average 1.7204301075268817) internal successors, (160), 107 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 160 transitions. [2022-11-18 18:43:24,740 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 160 transitions. Word has length 6 [2022-11-18 18:43:24,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:24,740 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 160 transitions. [2022-11-18 18:43:24,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 160 transitions. [2022-11-18 18:43:24,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-18 18:43:24,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:24,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-18 18:43:24,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:24,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:24,952 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 18:43:24,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:24,953 INFO L85 PathProgramCache]: Analyzing trace with hash 889698573, now seen corresponding path program 1 times [2022-11-18 18:43:24,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:24,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733426298] [2022-11-18 18:43:24,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:24,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:24,966 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 18:43:24,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343958825] [2022-11-18 18:43:24,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:24,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:24,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:24,968 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:43:24,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 18:43:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:25,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:43:25,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:25,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:25,042 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:43:25,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:25,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733426298] [2022-11-18 18:43:25,042 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 18:43:25,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343958825] [2022-11-18 18:43:25,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343958825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:25,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:25,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:25,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467345707] [2022-11-18 18:43:25,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:25,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:25,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:25,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:25,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:25,045 INFO L87 Difference]: Start difference. First operand 108 states and 160 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:25,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:25,115 INFO L93 Difference]: Finished difference Result 202 states and 301 transitions. [2022-11-18 18:43:25,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:25,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-18 18:43:25,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:25,117 INFO L225 Difference]: With dead ends: 202 [2022-11-18 18:43:25,117 INFO L226 Difference]: Without dead ends: 199 [2022-11-18 18:43:25,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:25,118 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 39 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:25,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 70 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:43:25,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-11-18 18:43:25,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 140. [2022-11-18 18:43:25,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 125 states have (on average 1.632) internal successors, (204), 139 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:25,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 204 transitions. [2022-11-18 18:43:25,134 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 204 transitions. Word has length 6 [2022-11-18 18:43:25,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:25,135 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 204 transitions. [2022-11-18 18:43:25,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:25,135 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2022-11-18 18:43:25,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-18 18:43:25,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:25,136 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:25,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:25,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-11-18 18:43:25,346 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 18:43:25,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:25,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1810850352, now seen corresponding path program 1 times [2022-11-18 18:43:25,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:25,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406017820] [2022-11-18 18:43:25,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:25,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:25,357 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 18:43:25,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1795706454] [2022-11-18 18:43:25,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:25,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:25,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:25,359 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:43:25,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 18:43:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:25,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:43:25,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:25,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:25,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:43:25,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:25,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406017820] [2022-11-18 18:43:25,439 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 18:43:25,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795706454] [2022-11-18 18:43:25,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795706454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:25,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:25,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:25,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304010249] [2022-11-18 18:43:25,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:25,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:25,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:25,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:25,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:25,441 INFO L87 Difference]: Start difference. First operand 140 states and 204 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:25,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:25,491 INFO L93 Difference]: Finished difference Result 140 states and 204 transitions. [2022-11-18 18:43:25,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:25,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-18 18:43:25,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:25,492 INFO L225 Difference]: With dead ends: 140 [2022-11-18 18:43:25,492 INFO L226 Difference]: Without dead ends: 137 [2022-11-18 18:43:25,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:25,495 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 40 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:25,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 36 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:43:25,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-18 18:43:25,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-11-18 18:43:25,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 125 states have (on average 1.584) internal successors, (198), 136 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:25,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2022-11-18 18:43:25,525 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 7 [2022-11-18 18:43:25,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:25,525 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2022-11-18 18:43:25,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:25,526 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2022-11-18 18:43:25,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-18 18:43:25,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:25,526 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:25,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:25,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:25,731 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 18:43:25,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:25,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1810852050, now seen corresponding path program 1 times [2022-11-18 18:43:25,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:25,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346581775] [2022-11-18 18:43:25,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:25,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:25,743 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 18:43:25,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [313029881] [2022-11-18 18:43:25,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:25,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:25,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:25,759 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:43:25,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 18:43:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:25,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:43:25,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:25,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:25,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:43:25,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:25,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346581775] [2022-11-18 18:43:25,833 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 18:43:25,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313029881] [2022-11-18 18:43:25,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313029881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:25,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:25,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:25,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373006423] [2022-11-18 18:43:25,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:25,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:25,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:25,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:25,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:25,834 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:25,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:25,887 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2022-11-18 18:43:25,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:25,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-18 18:43:25,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:25,889 INFO L225 Difference]: With dead ends: 137 [2022-11-18 18:43:25,889 INFO L226 Difference]: Without dead ends: 134 [2022-11-18 18:43:25,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:25,890 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 35 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:25,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 36 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:43:25,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-11-18 18:43:25,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2022-11-18 18:43:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 125 states have (on average 1.488) internal successors, (186), 133 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:25,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 186 transitions. [2022-11-18 18:43:25,902 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 186 transitions. Word has length 7 [2022-11-18 18:43:25,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:25,903 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 186 transitions. [2022-11-18 18:43:25,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:25,903 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 186 transitions. [2022-11-18 18:43:25,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-18 18:43:25,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:25,904 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2022-11-18 18:43:25,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:26,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:26,109 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 18:43:26,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:26,110 INFO L85 PathProgramCache]: Analyzing trace with hash 725040281, now seen corresponding path program 1 times [2022-11-18 18:43:26,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:26,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095619101] [2022-11-18 18:43:26,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:26,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:26,129 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 18:43:26,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033690979] [2022-11-18 18:43:26,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:26,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:26,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:26,133 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:43:26,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 18:43:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:26,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 18:43:26,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:26,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 18:43:26,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:43:26,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:26,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095619101] [2022-11-18 18:43:26,270 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 18:43:26,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033690979] [2022-11-18 18:43:26,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033690979] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:26,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:26,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:43:26,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544704526] [2022-11-18 18:43:26,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:26,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:43:26,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:26,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:43:26,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:43:26,272 INFO L87 Difference]: Start difference. First operand 134 states and 186 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:26,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:26,351 INFO L93 Difference]: Finished difference Result 261 states and 352 transitions. [2022-11-18 18:43:26,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:43:26,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2022-11-18 18:43:26,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:26,353 INFO L225 Difference]: With dead ends: 261 [2022-11-18 18:43:26,353 INFO L226 Difference]: Without dead ends: 145 [2022-11-18 18:43:26,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:43:26,355 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 73 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:26,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 62 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:43:26,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-18 18:43:26,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 134. [2022-11-18 18:43:26,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 125 states have (on average 1.44) internal successors, (180), 133 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:26,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 180 transitions. [2022-11-18 18:43:26,368 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 180 transitions. Word has length 9 [2022-11-18 18:43:26,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:26,369 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 180 transitions. [2022-11-18 18:43:26,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:26,369 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 180 transitions. [2022-11-18 18:43:26,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-18 18:43:26,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:26,371 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:26,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-18 18:43:26,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:26,576 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 18:43:26,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:26,576 INFO L85 PathProgramCache]: Analyzing trace with hash 767067060, now seen corresponding path program 1 times [2022-11-18 18:43:26,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:26,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989765164] [2022-11-18 18:43:26,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:26,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:26,594 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 18:43:26,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1094842191] [2022-11-18 18:43:26,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:26,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:26,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:26,618 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:43:26,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 18:43:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:26,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 18:43:26,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:26,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:26,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:43:26,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:26,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:26,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989765164] [2022-11-18 18:43:26,745 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 18:43:26,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094842191] [2022-11-18 18:43:26,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094842191] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:43:26,745 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:43:26,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-11-18 18:43:26,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36993186] [2022-11-18 18:43:26,746 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:43:26,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:43:26,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:26,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:43:26,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:43:26,748 INFO L87 Difference]: Start difference. First operand 134 states and 180 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:26,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:26,946 INFO L93 Difference]: Finished difference Result 445 states and 604 transitions. [2022-11-18 18:43:26,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:43:26,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-18 18:43:26,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:26,948 INFO L225 Difference]: With dead ends: 445 [2022-11-18 18:43:26,949 INFO L226 Difference]: Without dead ends: 442 [2022-11-18 18:43:26,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:43:26,950 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 230 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:26,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 140 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:43:26,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-11-18 18:43:26,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 266. [2022-11-18 18:43:26,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 257 states have (on average 1.3540856031128405) internal successors, (348), 265 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:26,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 348 transitions. [2022-11-18 18:43:26,974 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 348 transitions. Word has length 9 [2022-11-18 18:43:26,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:26,975 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 348 transitions. [2022-11-18 18:43:26,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:26,975 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 348 transitions. [2022-11-18 18:43:26,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-18 18:43:26,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:26,976 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:26,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:27,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-18 18:43:27,182 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 18:43:27,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:27,183 INFO L85 PathProgramCache]: Analyzing trace with hash -2041318739, now seen corresponding path program 1 times [2022-11-18 18:43:27,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:27,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761416376] [2022-11-18 18:43:27,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:27,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:27,192 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 18:43:27,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [811912976] [2022-11-18 18:43:27,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:27,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:27,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:27,194 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:43:27,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 18:43:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:27,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 18:43:27,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:27,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 18:43:27,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:43:27,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:27,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761416376] [2022-11-18 18:43:27,308 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 18:43:27,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811912976] [2022-11-18 18:43:27,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811912976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:27,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:27,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:43:27,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260992583] [2022-11-18 18:43:27,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:27,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:43:27,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:27,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:43:27,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:43:27,311 INFO L87 Difference]: Start difference. First operand 266 states and 348 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:27,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:27,384 INFO L93 Difference]: Finished difference Result 516 states and 673 transitions. [2022-11-18 18:43:27,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:43:27,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-18 18:43:27,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:27,386 INFO L225 Difference]: With dead ends: 516 [2022-11-18 18:43:27,386 INFO L226 Difference]: Without dead ends: 268 [2022-11-18 18:43:27,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:43:27,388 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 77 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:27,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 64 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:43:27,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-11-18 18:43:27,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 266. [2022-11-18 18:43:27,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 257 states have (on average 1.3073929961089494) internal successors, (336), 265 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:27,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 336 transitions. [2022-11-18 18:43:27,409 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 336 transitions. Word has length 10 [2022-11-18 18:43:27,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:27,409 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 336 transitions. [2022-11-18 18:43:27,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:27,409 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 336 transitions. [2022-11-18 18:43:27,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-18 18:43:27,410 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:27,410 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:27,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:27,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:27,616 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 18:43:27,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:27,616 INFO L85 PathProgramCache]: Analyzing trace with hash 903061951, now seen corresponding path program 1 times [2022-11-18 18:43:27,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:27,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168978598] [2022-11-18 18:43:27,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:27,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:27,644 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 18:43:27,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [340680409] [2022-11-18 18:43:27,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:27,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:27,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:27,646 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:43:27,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 18:43:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:27,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:43:27,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:27,789 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 18:43:27,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:43:27,820 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 18:43:27,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:27,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168978598] [2022-11-18 18:43:27,820 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 18:43:27,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340680409] [2022-11-18 18:43:27,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340680409] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:43:27,821 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:43:27,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-18 18:43:27,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108417605] [2022-11-18 18:43:27,822 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:43:27,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 18:43:27,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:27,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 18:43:27,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:43:27,824 INFO L87 Difference]: Start difference. First operand 266 states and 336 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:27,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:27,991 INFO L93 Difference]: Finished difference Result 516 states and 650 transitions. [2022-11-18 18:43:27,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:43:27,991 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 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 16 [2022-11-18 18:43:27,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:27,993 INFO L225 Difference]: With dead ends: 516 [2022-11-18 18:43:27,993 INFO L226 Difference]: Without dead ends: 268 [2022-11-18 18:43:27,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:43:27,994 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 161 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:27,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 67 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:43:27,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-11-18 18:43:28,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 266. [2022-11-18 18:43:28,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 257 states have (on average 1.1673151750972763) internal successors, (300), 265 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:28,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 300 transitions. [2022-11-18 18:43:28,014 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 300 transitions. Word has length 16 [2022-11-18 18:43:28,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:28,015 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 300 transitions. [2022-11-18 18:43:28,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:28,015 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 300 transitions. [2022-11-18 18:43:28,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-18 18:43:28,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:28,016 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1] [2022-11-18 18:43:28,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:28,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-18 18:43:28,221 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 18:43:28,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:28,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1857776051, now seen corresponding path program 2 times [2022-11-18 18:43:28,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:28,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105844729] [2022-11-18 18:43:28,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:28,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:28,235 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 18:43:28,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2136025397] [2022-11-18 18:43:28,235 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:43:28,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:28,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:28,236 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:43:28,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-18 18:43:28,331 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 18:43:28,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:43:28,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 18:43:28,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:28,367 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 18:43:28,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:43:28,404 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 18:43:28,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:28,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105844729] [2022-11-18 18:43:28,405 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 18:43:28,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136025397] [2022-11-18 18:43:28,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136025397] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:43:28,405 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:43:28,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-11-18 18:43:28,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029168968] [2022-11-18 18:43:28,406 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:43:28,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:43:28,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:28,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:43:28,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:43:28,408 INFO L87 Difference]: Start difference. First operand 266 states and 300 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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) [2022-11-18 18:43:28,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:28,485 INFO L93 Difference]: Finished difference Result 268 states and 302 transitions. [2022-11-18 18:43:28,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:43:28,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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 18 [2022-11-18 18:43:28,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:28,488 INFO L225 Difference]: With dead ends: 268 [2022-11-18 18:43:28,488 INFO L226 Difference]: Without dead ends: 265 [2022-11-18 18:43:28,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:43:28,489 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 135 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:28,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 61 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:43:28,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-11-18 18:43:28,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 243. [2022-11-18 18:43:28,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 237 states have (on average 1.130801687763713) internal successors, (268), 242 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:28,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 268 transitions. [2022-11-18 18:43:28,509 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 268 transitions. Word has length 18 [2022-11-18 18:43:28,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:28,509 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 268 transitions. [2022-11-18 18:43:28,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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) [2022-11-18 18:43:28,510 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 268 transitions. [2022-11-18 18:43:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-18 18:43:28,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:28,514 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:28,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:28,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-18 18:43:28,719 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 18:43:28,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:28,720 INFO L85 PathProgramCache]: Analyzing trace with hash 6824621, now seen corresponding path program 2 times [2022-11-18 18:43:28,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:28,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300353000] [2022-11-18 18:43:28,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:28,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:28,751 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 18:43:28,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [220733939] [2022-11-18 18:43:28,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:43:28,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:28,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:28,753 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:43:28,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-18 18:43:28,838 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 18:43:28,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:43:28,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 18:43:28,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:28,895 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-18 18:43:28,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:43:28,951 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-18 18:43:28,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:28,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300353000] [2022-11-18 18:43:28,952 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 18:43:28,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220733939] [2022-11-18 18:43:28,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220733939] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:43:28,952 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:43:28,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-11-18 18:43:28,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75783659] [2022-11-18 18:43:28,952 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:43:28,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:43:28,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:28,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:43:28,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:43:28,954 INFO L87 Difference]: Start difference. First operand 243 states and 268 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:29,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:29,024 INFO L93 Difference]: Finished difference Result 245 states and 270 transitions. [2022-11-18 18:43:29,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:43:29,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-11-18 18:43:29,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:29,026 INFO L225 Difference]: With dead ends: 245 [2022-11-18 18:43:29,026 INFO L226 Difference]: Without dead ends: 242 [2022-11-18 18:43:29,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:43:29,027 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 115 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:29,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 43 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:43:29,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-11-18 18:43:29,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 140. [2022-11-18 18:43:29,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 137 states have (on average 1.1386861313868613) internal successors, (156), 139 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:29,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 156 transitions. [2022-11-18 18:43:29,044 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 156 transitions. Word has length 34 [2022-11-18 18:43:29,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:29,044 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 156 transitions. [2022-11-18 18:43:29,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:29,045 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 156 transitions. [2022-11-18 18:43:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-18 18:43:29,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:29,047 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-18 18:43:29,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:29,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-18 18:43:29,257 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 18:43:29,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:29,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1099195435, now seen corresponding path program 1 times [2022-11-18 18:43:29,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:29,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717217195] [2022-11-18 18:43:29,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:29,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:29,283 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 18:43:29,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [704675164] [2022-11-18 18:43:29,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:29,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:29,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:29,286 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:43:29,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-18 18:43:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:29,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 18:43:29,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:29,548 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 61 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-18 18:43:29,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:43:29,640 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 61 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-18 18:43:29,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:29,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717217195] [2022-11-18 18:43:29,641 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 18:43:29,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704675164] [2022-11-18 18:43:29,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704675164] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:43:29,641 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:43:29,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-11-18 18:43:29,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223465652] [2022-11-18 18:43:29,644 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:43:29,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-18 18:43:29,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:29,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 18:43:29,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2022-11-18 18:43:29,646 INFO L87 Difference]: Start difference. First operand 140 states and 156 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 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) [2022-11-18 18:43:29,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:29,980 INFO L93 Difference]: Finished difference Result 410 states and 477 transitions. [2022-11-18 18:43:29,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 18:43:29,980 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 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 41 [2022-11-18 18:43:29,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:29,982 INFO L225 Difference]: With dead ends: 410 [2022-11-18 18:43:29,982 INFO L226 Difference]: Without dead ends: 274 [2022-11-18 18:43:29,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=191, Unknown=0, NotChecked=0, Total=342 [2022-11-18 18:43:29,983 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 280 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:29,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 94 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 18:43:29,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2022-11-18 18:43:30,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 272. [2022-11-18 18:43:30,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 269 states have (on average 1.070631970260223) internal successors, (288), 271 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:30,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 288 transitions. [2022-11-18 18:43:30,012 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 288 transitions. Word has length 41 [2022-11-18 18:43:30,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:30,013 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 288 transitions. [2022-11-18 18:43:30,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 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) [2022-11-18 18:43:30,013 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 288 transitions. [2022-11-18 18:43:30,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-18 18:43:30,015 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:43:30,015 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-18 18:43:30,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:30,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-18 18:43:30,221 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 18:43:30,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:30,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1060936811, now seen corresponding path program 2 times [2022-11-18 18:43:30,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:30,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857329632] [2022-11-18 18:43:30,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:30,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:30,258 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 18:43:30,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [157075612] [2022-11-18 18:43:30,258 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:43:30,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:30,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:30,260 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:43:30,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-18 18:43:30,394 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 18:43:30,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:43:30,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 18:43:30,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:43:30,520 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 0 proven. 328 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2022-11-18 18:43:30,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:43:30,667 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 0 proven. 328 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2022-11-18 18:43:30,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:30,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857329632] [2022-11-18 18:43:30,668 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 18:43:30,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157075612] [2022-11-18 18:43:30,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157075612] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:43:30,668 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:43:30,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-11-18 18:43:30,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085527408] [2022-11-18 18:43:30,669 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:43:30,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:43:30,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:30,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:43:30,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:43:30,670 INFO L87 Difference]: Start difference. First operand 272 states and 288 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 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) [2022-11-18 18:43:30,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:43:30,741 INFO L93 Difference]: Finished difference Result 274 states and 290 transitions. [2022-11-18 18:43:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:43:30,742 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 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 [2022-11-18 18:43:30,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:43:30,742 INFO L225 Difference]: With dead ends: 274 [2022-11-18 18:43:30,742 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 18:43:30,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:43:30,744 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 95 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:43:30,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 30 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:43:30,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 18:43:30,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 18:43:30,745 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) [2022-11-18 18:43:30,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 18:43:30,745 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2022-11-18 18:43:30,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:43:30,745 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 18:43:30,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:30,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 18:43:30,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 18:43:30,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2022-11-18 18:43:30,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2022-11-18 18:43:30,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2022-11-18 18:43:30,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2022-11-18 18:43:30,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2022-11-18 18:43:30,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2022-11-18 18:43:30,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2022-11-18 18:43:30,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2022-11-18 18:43:30,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2022-11-18 18:43:30,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2022-11-18 18:43:30,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2022-11-18 18:43:30,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2022-11-18 18:43:30,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2022-11-18 18:43:30,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2022-11-18 18:43:30,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2022-11-18 18:43:30,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2022-11-18 18:43:30,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2022-11-18 18:43:30,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2022-11-18 18:43:30,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-18 18:43:30,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:43:30,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 18:43:32,779 INFO L899 garLoopResultBuilder]: For program point L68-3(lines 68 80) no Hoare annotation was computed. [2022-11-18 18:43:32,780 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-18 18:43:32,780 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2022-11-18 18:43:32,780 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-11-18 18:43:32,780 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-18 18:43:32,780 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-11-18 18:43:32,780 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-11-18 18:43:32,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-18 18:43:32,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 18:43:32,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 18:43:32,781 INFO L895 garLoopResultBuilder]: At program point L28-2(lines 28 41) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-11-18 18:43:32,781 INFO L899 garLoopResultBuilder]: For program point L28-3(lines 28 41) no Hoare annotation was computed. [2022-11-18 18:43:32,782 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 79) no Hoare annotation was computed. [2022-11-18 18:43:32,782 INFO L895 garLoopResultBuilder]: At program point L53-2(lines 53 56) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 1499)) [2022-11-18 18:43:32,782 INFO L899 garLoopResultBuilder]: For program point L53-3(lines 53 56) no Hoare annotation was computed. [2022-11-18 18:43:32,782 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 57) no Hoare annotation was computed. [2022-11-18 18:43:32,782 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-18 18:43:32,783 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 79) no Hoare annotation was computed. [2022-11-18 18:43:32,783 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-11-18 18:43:32,783 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 57) no Hoare annotation was computed. [2022-11-18 18:43:32,783 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-18 18:43:32,783 INFO L895 garLoopResultBuilder]: At program point L71-2(lines 71 78) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-11-18 18:43:32,783 INFO L899 garLoopResultBuilder]: For program point L71-3(lines 71 78) no Hoare annotation was computed. [2022-11-18 18:43:32,784 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-18 18:43:32,784 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2022-11-18 18:43:32,784 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2022-11-18 18:43:32,784 INFO L899 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2022-11-18 18:43:32,784 INFO L895 garLoopResultBuilder]: At program point L6-2(lines 5 10) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 1799) (<= |ULTIMATE.start_main_~j~0#1| 1499)) [2022-11-18 18:43:32,785 INFO L895 garLoopResultBuilder]: At program point L31-2(lines 31 39) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-11-18 18:43:32,785 INFO L899 garLoopResultBuilder]: For program point L31-3(lines 31 39) no Hoare annotation was computed. [2022-11-18 18:43:32,785 INFO L902 garLoopResultBuilder]: At program point L81(lines 13 82) the Hoare annotation is: true [2022-11-18 18:43:32,785 INFO L895 garLoopResultBuilder]: At program point L48-2(lines 48 60) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-11-18 18:43:32,785 INFO L899 garLoopResultBuilder]: For program point L48-3(lines 48 60) no Hoare annotation was computed. [2022-11-18 18:43:32,786 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2022-11-18 18:43:32,786 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-11-18 18:43:32,786 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2022-11-18 18:43:32,786 INFO L895 garLoopResultBuilder]: At program point L73-2(lines 73 76) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 1499)) [2022-11-18 18:43:32,786 INFO L899 garLoopResultBuilder]: For program point L73-3(lines 73 76) no Hoare annotation was computed. [2022-11-18 18:43:32,787 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 18:43:32,787 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-11-18 18:43:32,787 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2022-11-18 18:43:32,787 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 75) no Hoare annotation was computed. [2022-11-18 18:43:32,787 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 18:43:32,787 INFO L895 garLoopResultBuilder]: At program point L33-2(lines 33 37) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 1499)) [2022-11-18 18:43:32,788 INFO L899 garLoopResultBuilder]: For program point L33-3(lines 33 37) no Hoare annotation was computed. [2022-11-18 18:43:32,788 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-11-18 18:43:32,788 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 75) no Hoare annotation was computed. [2022-11-18 18:43:32,788 INFO L899 garLoopResultBuilder]: For program point L75(line 75) no Hoare annotation was computed. [2022-11-18 18:43:32,788 INFO L899 garLoopResultBuilder]: For program point L75-1(line 75) no Hoare annotation was computed. [2022-11-18 18:43:32,788 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-18 18:43:32,789 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-11-18 18:43:32,789 INFO L895 garLoopResultBuilder]: At program point L51-2(lines 51 58) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-11-18 18:43:32,789 INFO L899 garLoopResultBuilder]: For program point L51-3(lines 51 58) no Hoare annotation was computed. [2022-11-18 18:43:32,789 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2022-11-18 18:43:32,789 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-18 18:43:32,790 INFO L895 garLoopResultBuilder]: At program point L68-2(lines 68 80) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-11-18 18:43:32,793 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:32,795 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:43:32,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:43:32 BoogieIcfgContainer [2022-11-18 18:43:32,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:43:32,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:43:32,816 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:43:32,816 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:43:32,817 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:23" (3/4) ... [2022-11-18 18:43:32,820 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:43:32,831 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-18 18:43:32,831 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-18 18:43:32,832 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 18:43:32,832 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:43:32,871 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:43:32,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:43:32,871 INFO L158 Benchmark]: Toolchain (without parser) took 10671.82ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 67.6MB in the beginning and 127.0MB in the end (delta: -59.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:43:32,872 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:43:32,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.08ms. Allocated memory is still 109.1MB. Free memory was 67.4MB in the beginning and 84.4MB in the end (delta: -17.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 18:43:32,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.14ms. Allocated memory is still 109.1MB. Free memory was 84.4MB in the beginning and 82.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:43:32,873 INFO L158 Benchmark]: Boogie Preprocessor took 34.05ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 81.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:43:32,873 INFO L158 Benchmark]: RCFGBuilder took 460.85ms. Allocated memory is still 109.1MB. Free memory was 81.1MB in the beginning and 66.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 18:43:32,874 INFO L158 Benchmark]: TraceAbstraction took 9719.30ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 65.5MB in the beginning and 130.1MB in the end (delta: -64.6MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2022-11-18 18:43:32,874 INFO L158 Benchmark]: Witness Printer took 55.39ms. Allocated memory is still 163.6MB. Free memory was 130.1MB in the beginning and 127.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:43:32,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.08ms. Allocated memory is still 109.1MB. Free memory was 67.4MB in the beginning and 84.4MB in the end (delta: -17.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.14ms. Allocated memory is still 109.1MB. Free memory was 84.4MB in the beginning and 82.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.05ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 81.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 460.85ms. Allocated memory is still 109.1MB. Free memory was 81.1MB in the beginning and 66.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 9719.30ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 65.5MB in the beginning and 130.1MB in the end (delta: -64.6MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. * Witness Printer took 55.39ms. Allocated memory is still 163.6MB. Free memory was 130.1MB in the beginning and 127.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: 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, 56 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 14, TraceHistogramMax: 20, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1419 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1419 mSDsluCounter, 896 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 393 mSDsCounter, 388 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 489 IncrementalHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 388 mSolverCounterUnsat, 503 mSDtfsCounter, 489 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 439 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=272occurred in iteration=13, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 422 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 117 NumberOfFragments, 341 HoareAnnotationTreeSize, 11 FomulaSimplifications, 1863 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 11 FomulaSimplificationsInter, 7625 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 251 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 426 ConstructedInterpolants, 0 QuantifiedInterpolants, 1176 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1435 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 20 InterpolantComputations, 8 PerfectInterpolantSequences, 922/1752 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 18 specifications checked. All of them hold - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && i <= 2147483646) && 1800 <= p) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 1799) && j <= 1499 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 1499 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 1499 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && i <= 2147483646) && 1800 <= p) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 1499 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && i <= 2147483646) && 1800 <= p) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 RESULT: Ultimate proved your program to be correct! [2022-11-18 18:43:32,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca7f5c79-cbd5-4afc-80f6-8259ed59dc45/bin/uautomizer-TMbwUNV5ro/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