./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6686bf4630552f072d8c9f4a2840dc11defb498badf4acf7ac6bbd53cabc98e5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 03:46:51,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:46:51,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:46:51,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:46:51,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:46:51,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:46:51,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:46:51,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:46:51,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:46:51,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:46:51,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:46:51,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:46:51,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:46:51,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:46:51,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:46:51,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:46:51,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:46:51,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:46:51,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:46:51,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:46:51,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:46:51,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:46:51,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:46:51,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:46:51,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:46:51,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:46:51,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:46:51,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:46:51,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:46:51,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:46:51,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:46:51,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:46:51,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:46:51,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:46:51,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:46:51,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:46:51,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:46:51,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:46:51,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:46:51,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:46:51,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:46:51,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-23 03:46:51,835 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:46:51,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:46:51,841 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:46:51,842 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:46:51,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:46:51,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:46:51,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:46:51,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:46:51,845 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:46:51,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:46:51,846 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:46:51,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:46:51,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:46:51,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:46:51,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:46:51,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:46:51,848 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 03:46:51,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:46:51,849 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:46:51,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:46:51,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:46:51,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:46:51,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:46:51,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:46:51,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:46:51,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:46:51,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:46:51,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:46:51,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:46:51,852 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:46:51,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:46:51,853 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:46:51,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:46:51,854 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6686bf4630552f072d8c9f4a2840dc11defb498badf4acf7ac6bbd53cabc98e5 [2022-11-23 03:46:52,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:46:52,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:46:52,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:46:52,230 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:46:52,231 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:46:52,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_08_good.i [2022-11-23 03:46:55,538 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:46:55,903 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:46:55,903 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_08_good.i [2022-11-23 03:46:55,948 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/data/23101ba2f/b64a0491533c4947818cda0cc159b571/FLAGc26b31067 [2022-11-23 03:46:55,967 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/data/23101ba2f/b64a0491533c4947818cda0cc159b571 [2022-11-23 03:46:55,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:46:55,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:46:55,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:46:55,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:46:55,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:46:55,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:55" (1/1) ... [2022-11-23 03:46:55,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@525acd56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:55, skipping insertion in model container [2022-11-23 03:46:55,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:55" (1/1) ... [2022-11-23 03:46:55,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:46:56,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:46:56,519 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 03:46:57,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:46:57,128 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:46:57,154 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 03:46:57,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:46:57,410 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:46:57,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:57 WrapperNode [2022-11-23 03:46:57,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:46:57,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:46:57,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:46:57,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:46:57,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:57" (1/1) ... [2022-11-23 03:46:57,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:57" (1/1) ... [2022-11-23 03:46:57,496 INFO L138 Inliner]: procedures = 505, calls = 89, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 127 [2022-11-23 03:46:57,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:46:57,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:46:57,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:46:57,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:46:57,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:57" (1/1) ... [2022-11-23 03:46:57,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:57" (1/1) ... [2022-11-23 03:46:57,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:57" (1/1) ... [2022-11-23 03:46:57,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:57" (1/1) ... [2022-11-23 03:46:57,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:57" (1/1) ... [2022-11-23 03:46:57,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:57" (1/1) ... [2022-11-23 03:46:57,538 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:57" (1/1) ... [2022-11-23 03:46:57,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:57" (1/1) ... [2022-11-23 03:46:57,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:46:57,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:46:57,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:46:57,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:46:57,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:57" (1/1) ... [2022-11-23 03:46:57,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:46:57,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:46:57,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:46:57,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:46:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 03:46:57,649 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 03:46:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 03:46:57,649 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 03:46:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:46:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:46:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:46:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:46:57,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:46:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-23 03:46:57,651 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-23 03:46:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:46:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2022-11-23 03:46:57,651 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2022-11-23 03:46:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 03:46:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:46:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:46:57,831 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:46:57,834 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:46:58,151 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:46:58,160 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:46:58,160 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 03:46:58,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:46:58 BoogieIcfgContainer [2022-11-23 03:46:58,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:46:58,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:46:58,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:46:58,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:46:58,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:46:55" (1/3) ... [2022-11-23 03:46:58,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fdf43ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:46:58, skipping insertion in model container [2022-11-23 03:46:58,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:57" (2/3) ... [2022-11-23 03:46:58,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fdf43ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:46:58, skipping insertion in model container [2022-11-23 03:46:58,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:46:58" (3/3) ... [2022-11-23 03:46:58,172 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_08_good.i [2022-11-23 03:46:58,192 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:46:58,192 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-23 03:46:58,249 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:46:58,257 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;@f51f4b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:46:58,257 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-23 03:46:58,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 63 states have internal predecessors, (67), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 03:46:58,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 03:46:58,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:46:58,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:46:58,272 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:46:58,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:46:58,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1192752490, now seen corresponding path program 1 times [2022-11-23 03:46:58,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:46:58,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521210281] [2022-11-23 03:46:58,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:46:58,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:46:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:58,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:46:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:58,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:46:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:58,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:46:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:59,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:46:59,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:46:59,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521210281] [2022-11-23 03:46:59,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521210281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:46:59,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:46:59,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:46:59,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128656102] [2022-11-23 03:46:59,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:46:59,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 03:46:59,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:46:59,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 03:46:59,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:46:59,056 INFO L87 Difference]: Start difference. First operand has 79 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 63 states have internal predecessors, (67), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 03:46:59,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:46:59,237 INFO L93 Difference]: Finished difference Result 79 states and 103 transitions. [2022-11-23 03:46:59,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:46:59,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-11-23 03:46:59,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:46:59,251 INFO L225 Difference]: With dead ends: 79 [2022-11-23 03:46:59,251 INFO L226 Difference]: Without dead ends: 70 [2022-11-23 03:46:59,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:46:59,259 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 11 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:46:59,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 265 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:46:59,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-23 03:46:59,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-23 03:46:59,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 43 states have (on average 1.372093023255814) internal successors, (59), 55 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 03:46:59,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 91 transitions. [2022-11-23 03:46:59,314 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 91 transitions. Word has length 22 [2022-11-23 03:46:59,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:46:59,316 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 91 transitions. [2022-11-23 03:46:59,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 03:46:59,317 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2022-11-23 03:46:59,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-23 03:46:59,318 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:46:59,319 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:46:59,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:46:59,320 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:46:59,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:46:59,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1679378543, now seen corresponding path program 1 times [2022-11-23 03:46:59,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:46:59,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268410944] [2022-11-23 03:46:59,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:46:59,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:46:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:46:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:59,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:46:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:59,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:46:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:59,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:46:59,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:46:59,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268410944] [2022-11-23 03:46:59,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268410944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:46:59,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:46:59,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:46:59,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797793667] [2022-11-23 03:46:59,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:46:59,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:46:59,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:46:59,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:46:59,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:46:59,452 INFO L87 Difference]: Start difference. First operand 70 states and 91 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 03:46:59,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:46:59,504 INFO L93 Difference]: Finished difference Result 70 states and 91 transitions. [2022-11-23 03:46:59,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:46:59,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-11-23 03:46:59,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:46:59,510 INFO L225 Difference]: With dead ends: 70 [2022-11-23 03:46:59,512 INFO L226 Difference]: Without dead ends: 69 [2022-11-23 03:46:59,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:46:59,515 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:46:59,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:46:59,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-23 03:46:59,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-11-23 03:46:59,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 54 states have internal predecessors, (58), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 03:46:59,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 90 transitions. [2022-11-23 03:46:59,536 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 90 transitions. Word has length 23 [2022-11-23 03:46:59,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:46:59,537 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 90 transitions. [2022-11-23 03:46:59,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 03:46:59,537 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2022-11-23 03:46:59,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-23 03:46:59,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:46:59,539 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:46:59,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 03:46:59,540 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:46:59,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:46:59,541 INFO L85 PathProgramCache]: Analyzing trace with hash -64022006, now seen corresponding path program 1 times [2022-11-23 03:46:59,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:46:59,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190224890] [2022-11-23 03:46:59,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:46:59,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:46:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:59,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:46:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:59,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:46:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:59,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:46:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:59,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 03:46:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:59,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-23 03:46:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:59,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-23 03:46:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:59,746 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 03:46:59,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:46:59,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190224890] [2022-11-23 03:46:59,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190224890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:46:59,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:46:59,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:46:59,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098818498] [2022-11-23 03:46:59,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:46:59,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:46:59,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:46:59,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:46:59,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:46:59,750 INFO L87 Difference]: Start difference. First operand 69 states and 90 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 03:46:59,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:46:59,777 INFO L93 Difference]: Finished difference Result 122 states and 155 transitions. [2022-11-23 03:46:59,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:46:59,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2022-11-23 03:46:59,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:46:59,779 INFO L225 Difference]: With dead ends: 122 [2022-11-23 03:46:59,780 INFO L226 Difference]: Without dead ends: 68 [2022-11-23 03:46:59,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:46:59,782 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:46:59,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 249 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:46:59,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-23 03:46:59,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-23 03:46:59,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 53 states have internal predecessors, (57), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 03:46:59,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2022-11-23 03:46:59,794 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 41 [2022-11-23 03:46:59,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:46:59,795 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2022-11-23 03:46:59,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 03:46:59,795 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2022-11-23 03:46:59,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-23 03:46:59,797 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:46:59,797 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:46:59,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 03:46:59,797 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:46:59,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:46:59,798 INFO L85 PathProgramCache]: Analyzing trace with hash 795898895, now seen corresponding path program 1 times [2022-11-23 03:46:59,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:46:59,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390653444] [2022-11-23 03:46:59,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:46:59,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:46:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:47:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:47:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:47:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-23 03:47:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 03:47:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 03:47:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 03:47:00,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:00,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390653444] [2022-11-23 03:47:00,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390653444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:00,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:47:00,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:47:00,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413314420] [2022-11-23 03:47:00,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:00,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 03:47:00,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:00,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 03:47:00,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:47:00,133 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 03:47:00,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:00,240 INFO L93 Difference]: Finished difference Result 68 states and 87 transitions. [2022-11-23 03:47:00,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:47:00,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2022-11-23 03:47:00,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:00,245 INFO L225 Difference]: With dead ends: 68 [2022-11-23 03:47:00,246 INFO L226 Difference]: Without dead ends: 67 [2022-11-23 03:47:00,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:47:00,258 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 11 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:00,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 219 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:47:00,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-23 03:47:00,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-23 03:47:00,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 43 states have (on average 1.302325581395349) internal successors, (56), 52 states have internal predecessors, (56), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 03:47:00,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2022-11-23 03:47:00,280 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 42 [2022-11-23 03:47:00,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:00,280 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2022-11-23 03:47:00,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 03:47:00,281 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2022-11-23 03:47:00,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 03:47:00,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:00,282 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:47:00,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 03:47:00,283 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:47:00,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:00,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1096937934, now seen corresponding path program 1 times [2022-11-23 03:47:00,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:00,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460372462] [2022-11-23 03:47:00,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:00,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:47:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:47:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:47:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-23 03:47:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 03:47:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 03:47:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,449 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 03:47:00,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:00,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460372462] [2022-11-23 03:47:00,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460372462] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:00,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:47:00,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:47:00,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018158828] [2022-11-23 03:47:00,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:00,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:47:00,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:00,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:47:00,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:47:00,455 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 03:47:00,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:00,506 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2022-11-23 03:47:00,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:47:00,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 43 [2022-11-23 03:47:00,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:00,509 INFO L225 Difference]: With dead ends: 67 [2022-11-23 03:47:00,509 INFO L226 Difference]: Without dead ends: 66 [2022-11-23 03:47:00,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:47:00,510 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:00,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 233 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:47:00,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-23 03:47:00,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-11-23 03:47:00,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 51 states have internal predecessors, (55), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 03:47:00,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2022-11-23 03:47:00,521 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 85 transitions. Word has length 43 [2022-11-23 03:47:00,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:00,521 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 85 transitions. [2022-11-23 03:47:00,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 03:47:00,522 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2022-11-23 03:47:00,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-23 03:47:00,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:00,524 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:47:00,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 03:47:00,524 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:47:00,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:00,525 INFO L85 PathProgramCache]: Analyzing trace with hash -275706826, now seen corresponding path program 1 times [2022-11-23 03:47:00,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:00,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922470207] [2022-11-23 03:47:00,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:00,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:47:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:47:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:47:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-23 03:47:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 03:47:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 03:47:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-23 03:47:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-23 03:47:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 03:47:00,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:00,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922470207] [2022-11-23 03:47:00,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922470207] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 03:47:00,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257305808] [2022-11-23 03:47:00,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:00,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:47:00,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:47:00,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:47:00,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 03:47:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:00,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:47:00,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:47:00,931 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-23 03:47:00,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:47:00,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257305808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:00,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 03:47:00,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 03:47:00,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987286674] [2022-11-23 03:47:00,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:00,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:47:00,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:00,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:47:00,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:47:00,934 INFO L87 Difference]: Start difference. First operand 66 states and 85 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 03:47:00,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:00,963 INFO L93 Difference]: Finished difference Result 84 states and 109 transitions. [2022-11-23 03:47:00,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:47:00,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2022-11-23 03:47:00,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:00,965 INFO L225 Difference]: With dead ends: 84 [2022-11-23 03:47:00,966 INFO L226 Difference]: Without dead ends: 83 [2022-11-23 03:47:00,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:47:00,967 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 13 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:00,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 165 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:47:00,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-23 03:47:00,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 70. [2022-11-23 03:47:00,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 53 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 03:47:01,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 91 transitions. [2022-11-23 03:47:01,002 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 91 transitions. Word has length 55 [2022-11-23 03:47:01,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:01,007 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 91 transitions. [2022-11-23 03:47:01,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 03:47:01,007 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2022-11-23 03:47:01,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-23 03:47:01,009 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:01,009 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:47:01,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 03:47:01,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-23 03:47:01,224 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:47:01,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:01,224 INFO L85 PathProgramCache]: Analyzing trace with hash 43023112, now seen corresponding path program 1 times [2022-11-23 03:47:01,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:01,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321534161] [2022-11-23 03:47:01,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:01,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:01,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:47:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:01,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:47:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:01,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:47:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:01,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-23 03:47:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:01,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 03:47:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:01,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 03:47:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:01,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-23 03:47:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:01,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-23 03:47:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:01,427 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 03:47:01,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:01,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321534161] [2022-11-23 03:47:01,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321534161] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 03:47:01,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758927657] [2022-11-23 03:47:01,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:01,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:47:01,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:47:01,430 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:47:01,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 03:47:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:01,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:47:01,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:47:01,637 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-23 03:47:01,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:47:01,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758927657] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:01,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 03:47:01,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 03:47:01,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206179188] [2022-11-23 03:47:01,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:01,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:47:01,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:01,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:47:01,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:47:01,644 INFO L87 Difference]: Start difference. First operand 70 states and 91 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 03:47:01,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:01,667 INFO L93 Difference]: Finished difference Result 70 states and 91 transitions. [2022-11-23 03:47:01,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:47:01,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 56 [2022-11-23 03:47:01,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:01,673 INFO L225 Difference]: With dead ends: 70 [2022-11-23 03:47:01,673 INFO L226 Difference]: Without dead ends: 69 [2022-11-23 03:47:01,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:47:01,675 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 14 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:01,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 140 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:47:01,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-23 03:47:01,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-11-23 03:47:01,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 52 states have internal predecessors, (58), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 03:47:01,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 90 transitions. [2022-11-23 03:47:01,686 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 90 transitions. Word has length 56 [2022-11-23 03:47:01,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:01,686 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 90 transitions. [2022-11-23 03:47:01,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 03:47:01,687 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2022-11-23 03:47:01,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-23 03:47:01,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:01,689 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:47:01,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 03:47:01,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:47:01,899 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:47:01,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:01,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1188171912, now seen corresponding path program 1 times [2022-11-23 03:47:01,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:01,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991639287] [2022-11-23 03:47:01,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:01,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:01,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:47:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:47:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:47:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-23 03:47:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 03:47:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 03:47:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-23 03:47:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-23 03:47:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-23 03:47:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,094 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-23 03:47:02,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:02,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991639287] [2022-11-23 03:47:02,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991639287] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 03:47:02,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578919602] [2022-11-23 03:47:02,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:02,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:47:02,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:47:02,099 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:47:02,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 03:47:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:47:02,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:47:02,295 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-23 03:47:02,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:47:02,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578919602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:02,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 03:47:02,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 03:47:02,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80115682] [2022-11-23 03:47:02,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:02,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:47:02,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:02,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:47:02,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:47:02,300 INFO L87 Difference]: Start difference. First operand 69 states and 90 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 03:47:02,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:02,313 INFO L93 Difference]: Finished difference Result 69 states and 90 transitions. [2022-11-23 03:47:02,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:47:02,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2022-11-23 03:47:02,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:02,318 INFO L225 Difference]: With dead ends: 69 [2022-11-23 03:47:02,318 INFO L226 Difference]: Without dead ends: 68 [2022-11-23 03:47:02,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:47:02,320 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 12 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:02,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 140 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:47:02,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-23 03:47:02,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2022-11-23 03:47:02,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 49 states have internal predecessors, (53), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 03:47:02,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2022-11-23 03:47:02,343 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 83 transitions. Word has length 60 [2022-11-23 03:47:02,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:02,343 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 83 transitions. [2022-11-23 03:47:02,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 03:47:02,344 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2022-11-23 03:47:02,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-23 03:47:02,351 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:02,351 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:47:02,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 03:47:02,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:47:02,558 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:47:02,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:02,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1083845642, now seen corresponding path program 1 times [2022-11-23 03:47:02,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:02,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947307991] [2022-11-23 03:47:02,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:02,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:47:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:47:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:47:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-23 03:47:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 03:47:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 03:47:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-23 03:47:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-23 03:47:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-23 03:47:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 03:47:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-23 03:47:02,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:02,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947307991] [2022-11-23 03:47:02,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947307991] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 03:47:02,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724880488] [2022-11-23 03:47:02,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:02,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:47:02,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:47:02,715 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:47:02,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 03:47:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:02,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:47:02,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:47:02,931 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-23 03:47:02,932 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:47:02,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724880488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:02,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 03:47:02,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 03:47:02,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729517635] [2022-11-23 03:47:02,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:02,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:47:02,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:02,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:47:02,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:47:02,935 INFO L87 Difference]: Start difference. First operand 64 states and 83 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 03:47:02,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:02,947 INFO L93 Difference]: Finished difference Result 70 states and 90 transitions. [2022-11-23 03:47:02,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:47:02,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2022-11-23 03:47:02,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:02,949 INFO L225 Difference]: With dead ends: 70 [2022-11-23 03:47:02,950 INFO L226 Difference]: Without dead ends: 69 [2022-11-23 03:47:02,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:47:02,953 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 2 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:02,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 160 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:47:02,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-23 03:47:02,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2022-11-23 03:47:02,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 52 states have internal predecessors, (56), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 03:47:02,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 88 transitions. [2022-11-23 03:47:02,964 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 88 transitions. Word has length 68 [2022-11-23 03:47:02,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:02,965 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 88 transitions. [2022-11-23 03:47:02,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 03:47:02,966 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2022-11-23 03:47:02,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-23 03:47:02,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:02,968 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:47:02,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-23 03:47:03,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:47:03,174 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:47:03,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:03,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1893192268, now seen corresponding path program 1 times [2022-11-23 03:47:03,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:03,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529731629] [2022-11-23 03:47:03,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:03,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:47:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:47:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:47:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-23 03:47:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 03:47:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 03:47:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-23 03:47:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-23 03:47:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-23 03:47:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 03:47:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-23 03:47:03,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:03,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529731629] [2022-11-23 03:47:03,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529731629] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 03:47:03,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993207566] [2022-11-23 03:47:03,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:03,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:47:03,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:47:03,339 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:47:03,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 03:47:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:47:03,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:47:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-23 03:47:03,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:47:03,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993207566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:03,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 03:47:03,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 03:47:03,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108969133] [2022-11-23 03:47:03,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:03,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:47:03,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:03,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:47:03,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:47:03,553 INFO L87 Difference]: Start difference. First operand 68 states and 88 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 03:47:03,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:03,566 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2022-11-23 03:47:03,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:47:03,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2022-11-23 03:47:03,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:03,569 INFO L225 Difference]: With dead ends: 68 [2022-11-23 03:47:03,569 INFO L226 Difference]: Without dead ends: 67 [2022-11-23 03:47:03,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:47:03,570 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 2 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:03,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 152 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:47:03,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-23 03:47:03,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2022-11-23 03:47:03,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 48 states have internal predecessors, (52), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 03:47:03,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2022-11-23 03:47:03,581 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 68 [2022-11-23 03:47:03,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:03,582 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2022-11-23 03:47:03,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 03:47:03,582 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2022-11-23 03:47:03,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-23 03:47:03,585 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:03,585 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:47:03,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 03:47:03,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 03:47:03,797 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 03:47:03,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:03,797 INFO L85 PathProgramCache]: Analyzing trace with hash 760523614, now seen corresponding path program 1 times [2022-11-23 03:47:03,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:03,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097485204] [2022-11-23 03:47:03,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:03,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:47:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:47:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:47:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-23 03:47:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-23 03:47:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-23 03:47:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-23 03:47:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-23 03:47:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-23 03:47:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 03:47:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:03,920 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-23 03:47:03,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:03,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097485204] [2022-11-23 03:47:03,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097485204] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 03:47:03,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479812415] [2022-11-23 03:47:03,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:03,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:47:03,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:47:03,923 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:47:03,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 03:47:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:04,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:47:04,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:47:04,101 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-23 03:47:04,101 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:47:04,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479812415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:04,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 03:47:04,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 03:47:04,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970921408] [2022-11-23 03:47:04,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:04,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:47:04,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:04,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:47:04,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:47:04,103 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 03:47:04,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:04,111 INFO L93 Difference]: Finished difference Result 63 states and 82 transitions. [2022-11-23 03:47:04,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:47:04,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2022-11-23 03:47:04,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:04,112 INFO L225 Difference]: With dead ends: 63 [2022-11-23 03:47:04,112 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 03:47:04,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:47:04,113 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 2 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:04,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 152 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:47:04,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 03:47:04,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 03:47:04,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:04,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 03:47:04,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2022-11-23 03:47:04,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:04,115 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:47:04,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 03:47:04,116 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 03:47:04,116 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 03:47:04,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-23 03:47:04,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-23 03:47:04,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-23 03:47:04,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-23 03:47:04,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-23 03:47:04,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-23 03:47:04,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-23 03:47:04,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-23 03:47:04,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 03:47:04,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-23 03:47:04,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 03:47:04,433 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 03:47:04,433 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 03:47:04,433 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-23 03:47:04,433 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 03:47:04,433 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseEXIT(lines 1552 1555) no Hoare annotation was computed. [2022-11-23 03:47:04,433 INFO L902 garLoopResultBuilder]: At program point staticReturnsFalseENTRY(lines 1552 1555) the Hoare annotation is: true [2022-11-23 03:47:04,433 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseFINAL(lines 1552 1555) no Hoare annotation was computed. [2022-11-23 03:47:04,434 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 03:47:04,434 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 03:47:04,434 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 03:47:04,434 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-11-23 03:47:04,434 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-11-23 03:47:04,434 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1644) no Hoare annotation was computed. [2022-11-23 03:47:04,435 INFO L899 garLoopResultBuilder]: For program point L1572(line 1572) no Hoare annotation was computed. [2022-11-23 03:47:04,435 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2022-11-23 03:47:04,435 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-11-23 03:47:04,435 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-11-23 03:47:04,435 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 03:47:04,435 INFO L899 garLoopResultBuilder]: For program point L1630-1(lines 1630 1636) no Hoare annotation was computed. [2022-11-23 03:47:04,435 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 03:47:04,436 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-23 03:47:04,436 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1564 1579) no Hoare annotation was computed. [2022-11-23 03:47:04,436 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1637) no Hoare annotation was computed. [2022-11-23 03:47:04,436 INFO L899 garLoopResultBuilder]: For program point L1589(line 1589) no Hoare annotation was computed. [2022-11-23 03:47:04,436 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1580) no Hoare annotation was computed. [2022-11-23 03:47:04,436 INFO L899 garLoopResultBuilder]: For program point L1589-1(lines 1589 1600) no Hoare annotation was computed. [2022-11-23 03:47:04,436 INFO L899 garLoopResultBuilder]: For program point L1589-2(lines 1589 1600) no Hoare annotation was computed. [2022-11-23 03:47:04,436 INFO L899 garLoopResultBuilder]: For program point L1614(line 1614) no Hoare annotation was computed. [2022-11-23 03:47:04,437 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1601) no Hoare annotation was computed. [2022-11-23 03:47:04,437 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 1614 1620) no Hoare annotation was computed. [2022-11-23 03:47:04,437 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2022-11-23 03:47:04,437 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) [2022-11-23 03:47:04,437 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed. [2022-11-23 03:47:04,438 INFO L899 garLoopResultBuilder]: For program point L1606-2(lines 1606 1613) no Hoare annotation was computed. [2022-11-23 03:47:04,438 INFO L895 garLoopResultBuilder]: At program point L1606-3(lines 1606 1613) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2022-11-23 03:47:04,438 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-11-23 03:47:04,438 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) [2022-11-23 03:47:04,439 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2022-11-23 03:47:04,439 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2022-11-23 03:47:04,439 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: false [2022-11-23 03:47:04,439 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1599) no Hoare annotation was computed. [2022-11-23 03:47:04,440 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2022-11-23 03:47:04,440 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-11-23 03:47:04,440 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2022-11-23 03:47:04,441 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2022-11-23 03:47:04,441 INFO L899 garLoopResultBuilder]: For program point L1617(line 1617) no Hoare annotation was computed. [2022-11-23 03:47:04,441 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2022-11-23 03:47:04,441 INFO L899 garLoopResultBuilder]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2022-11-23 03:47:04,442 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2022-11-23 03:47:04,442 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 03:47:04,442 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1617) no Hoare annotation was computed. [2022-11-23 03:47:04,442 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 2) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2022-11-23 03:47:04,443 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed. [2022-11-23 03:47:04,443 INFO L899 garLoopResultBuilder]: For program point L1626-1(line 1626) no Hoare annotation was computed. [2022-11-23 03:47:04,443 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) [2022-11-23 03:47:04,443 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2022-11-23 03:47:04,443 INFO L899 garLoopResultBuilder]: For program point L1626-2(lines 1626 1629) no Hoare annotation was computed. [2022-11-23 03:47:04,444 INFO L899 garLoopResultBuilder]: For program point L1560-1(line 1560) no Hoare annotation was computed. [2022-11-23 03:47:04,444 INFO L899 garLoopResultBuilder]: For program point L1560-2(lines 1560 1563) no Hoare annotation was computed. [2022-11-23 03:47:04,444 INFO L895 garLoopResultBuilder]: At program point L1626-4(lines 1626 1629) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 2) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2022-11-23 03:47:04,445 INFO L895 garLoopResultBuilder]: At program point L1560-4(lines 1560 1563) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) [2022-11-23 03:47:04,445 INFO L902 garLoopResultBuilder]: At program point L1651(lines 1645 1652) the Hoare annotation is: true [2022-11-23 03:47:04,446 INFO L895 garLoopResultBuilder]: At program point L1618(line 1618) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2022-11-23 03:47:04,446 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) [2022-11-23 03:47:04,446 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2022-11-23 03:47:04,446 INFO L899 garLoopResultBuilder]: For program point L1585-2(lines 1585 1588) no Hoare annotation was computed. [2022-11-23 03:47:04,446 INFO L895 garLoopResultBuilder]: At program point L1585-4(lines 1585 1588) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) [2022-11-23 03:47:04,447 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) [2022-11-23 03:47:04,447 INFO L899 garLoopResultBuilder]: For program point L1577-1(lines 1564 1579) no Hoare annotation was computed. [2022-11-23 03:47:04,447 INFO L899 garLoopResultBuilder]: For program point L1602(lines 1602 1621) no Hoare annotation was computed. [2022-11-23 03:47:04,447 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 03:47:04,448 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1617) no Hoare annotation was computed. [2022-11-23 03:47:04,448 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) [2022-11-23 03:47:04,448 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1578) no Hoare annotation was computed. [2022-11-23 03:47:04,448 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-11-23 03:47:04,449 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-11-23 03:47:04,449 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueFINAL(lines 1548 1551) no Hoare annotation was computed. [2022-11-23 03:47:04,449 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueEXIT(lines 1548 1551) no Hoare annotation was computed. [2022-11-23 03:47:04,449 INFO L902 garLoopResultBuilder]: At program point staticReturnsTrueENTRY(lines 1548 1551) the Hoare annotation is: true [2022-11-23 03:47:04,453 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:47:04,456 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:47:04,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:47:04 BoogieIcfgContainer [2022-11-23 03:47:04,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:47:04,467 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:47:04,467 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:47:04,467 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:47:04,468 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:46:58" (3/4) ... [2022-11-23 03:47:04,471 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 03:47:04,479 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 03:47:04,479 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2022-11-23 03:47:04,479 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 03:47:04,480 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2022-11-23 03:47:04,485 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-23 03:47:04,486 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 03:47:04,486 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 03:47:04,486 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 03:47:04,534 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 03:47:04,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:47:04,535 INFO L158 Benchmark]: Toolchain (without parser) took 8562.60ms. Allocated memory was 176.2MB in the beginning and 224.4MB in the end (delta: 48.2MB). Free memory was 128.5MB in the beginning and 68.6MB in the end (delta: 60.0MB). Peak memory consumption was 110.2MB. Max. memory is 16.1GB. [2022-11-23 03:47:04,535 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:47:04,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1437.52ms. Allocated memory is still 176.2MB. Free memory was 128.5MB in the beginning and 122.1MB in the end (delta: 6.4MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-11-23 03:47:04,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.03ms. Allocated memory is still 176.2MB. Free memory was 122.1MB in the beginning and 119.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:47:04,536 INFO L158 Benchmark]: Boogie Preprocessor took 54.30ms. Allocated memory is still 176.2MB. Free memory was 119.0MB in the beginning and 116.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:47:04,536 INFO L158 Benchmark]: RCFGBuilder took 605.27ms. Allocated memory is still 176.2MB. Free memory was 116.9MB in the beginning and 100.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 03:47:04,537 INFO L158 Benchmark]: TraceAbstraction took 6301.01ms. Allocated memory was 176.2MB in the beginning and 224.4MB in the end (delta: 48.2MB). Free memory was 100.1MB in the beginning and 72.7MB in the end (delta: 27.4MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2022-11-23 03:47:04,537 INFO L158 Benchmark]: Witness Printer took 67.09ms. Allocated memory is still 224.4MB. Free memory was 72.7MB in the beginning and 68.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 03:47:04,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1437.52ms. Allocated memory is still 176.2MB. Free memory was 128.5MB in the beginning and 122.1MB in the end (delta: 6.4MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.03ms. Allocated memory is still 176.2MB. Free memory was 122.1MB in the beginning and 119.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.30ms. Allocated memory is still 176.2MB. Free memory was 119.0MB in the beginning and 116.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.27ms. Allocated memory is still 176.2MB. Free memory was 116.9MB in the beginning and 100.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6301.01ms. Allocated memory was 176.2MB in the beginning and 224.4MB in the end (delta: 48.2MB). Free memory was 100.1MB in the beginning and 72.7MB in the end (delta: 27.4MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * Witness Printer took 67.09ms. Allocated memory is still 224.4MB. Free memory was 72.7MB in the beginning and 68.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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 5 procedures, 79 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 86 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 2123 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1209 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 914 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 565 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 22 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 47 PreInvPairs, 57 NumberOfFragments, 135 HoareAnnotationTreeSize, 47 FomulaSimplifications, 6 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 923 NumberOfCodeBlocks, 923 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 906 ConstructedInterpolants, 0 QuantifiedInterpolants, 1184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1628 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 493/517 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1645]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 03:47:04,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_170f2fc0-c00a-46d2-bb41-05e4aebd7e63/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE