./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a8c46ec04e75aa1a4b1ff90d2d349ea586463936f9b5852bf115c11af19268b2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:29:18,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:29:18,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:29:18,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:29:18,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:29:18,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:29:18,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:29:18,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:29:18,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:29:18,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:29:18,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:29:18,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:29:18,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:29:18,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:29:18,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:29:18,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:29:18,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:29:18,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:29:18,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:29:18,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:29:18,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:29:18,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:29:18,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:29:18,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:29:18,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:29:18,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:29:18,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:29:18,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:29:18,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:29:18,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:29:18,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:29:18,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:29:18,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:29:18,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:29:18,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:29:18,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:29:18,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:29:18,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:29:18,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:29:18,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:29:18,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:29:18,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 20:29:18,767 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:29:18,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:29:18,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:29:18,767 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:29:18,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:29:18,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:29:18,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:29:18,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:29:18,770 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:29:18,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:29:18,771 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:29:18,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:29:18,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:29:18,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:29:18,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:29:18,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:29:18,772 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:29:18,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:29:18,773 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:29:18,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:29:18,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:29:18,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:29:18,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:29:18,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:29:18,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:29:18,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:29:18,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:29:18,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:29:18,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:29:18,775 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:29:18,775 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:29:18,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:29:18,776 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8c46ec04e75aa1a4b1ff90d2d349ea586463936f9b5852bf115c11af19268b2 [2022-11-18 20:29:19,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:29:19,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:29:19,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:29:19,091 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:29:19,091 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:29:19,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_02_good.i [2022-11-18 20:29:19,166 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro/data/05df78456/b49bb96f3ff64db4956305ddef83c4aa/FLAG60b92c99b [2022-11-18 20:29:19,927 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:29:19,931 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_02_good.i [2022-11-18 20:29:19,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro/data/05df78456/b49bb96f3ff64db4956305ddef83c4aa/FLAG60b92c99b [2022-11-18 20:29:20,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro/data/05df78456/b49bb96f3ff64db4956305ddef83c4aa [2022-11-18 20:29:20,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:29:20,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:29:20,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:29:20,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:29:20,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:29:20,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:29:20" (1/1) ... [2022-11-18 20:29:20,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74de69c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:20, skipping insertion in model container [2022-11-18 20:29:20,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:29:20" (1/1) ... [2022-11-18 20:29:20,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:29:20,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:29:20,668 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:29:21,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:29:21,167 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:29:21,184 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:29:21,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:29:21,413 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:29:21,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:21 WrapperNode [2022-11-18 20:29:21,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:29:21,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:29:21,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:29:21,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:29:21,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:21" (1/1) ... [2022-11-18 20:29:21,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:21" (1/1) ... [2022-11-18 20:29:21,506 INFO L138 Inliner]: procedures = 503, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 111 [2022-11-18 20:29:21,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:29:21,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:29:21,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:29:21,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:29:21,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:21" (1/1) ... [2022-11-18 20:29:21,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:21" (1/1) ... [2022-11-18 20:29:21,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:21" (1/1) ... [2022-11-18 20:29:21,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:21" (1/1) ... [2022-11-18 20:29:21,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:21" (1/1) ... [2022-11-18 20:29:21,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:21" (1/1) ... [2022-11-18 20:29:21,545 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:21" (1/1) ... [2022-11-18 20:29:21,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:21" (1/1) ... [2022-11-18 20:29:21,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:29:21,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:29:21,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:29:21,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:29:21,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:21" (1/1) ... [2022-11-18 20:29:21,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:29:21,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:21,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:29:21,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:29:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-18 20:29:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-18 20:29:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-18 20:29:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-18 20:29:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:29:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:29:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:29:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:29:21,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:29:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:29:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-18 20:29:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:29:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:29:21,880 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:29:21,882 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:29:22,102 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:29:22,109 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:29:22,109 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-18 20:29:22,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:29:22 BoogieIcfgContainer [2022-11-18 20:29:22,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:29:22,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:29:22,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:29:22,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:29:22,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:29:20" (1/3) ... [2022-11-18 20:29:22,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c8e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:29:22, skipping insertion in model container [2022-11-18 20:29:22,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:29:21" (2/3) ... [2022-11-18 20:29:22,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c8e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:29:22, skipping insertion in model container [2022-11-18 20:29:22,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:29:22" (3/3) ... [2022-11-18 20:29:22,119 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_02_good.i [2022-11-18 20:29:22,137 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:29:22,137 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-18 20:29:22,205 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:29:22,216 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;@124a3cac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:29:22,217 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-18 20:29:22,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 49 states have internal predecessors, (53), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-18 20:29:22,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-18 20:29:22,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:22,229 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:22,229 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)] === [2022-11-18 20:29:22,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:22,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1948304064, now seen corresponding path program 1 times [2022-11-18 20:29:22,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:22,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341226459] [2022-11-18 20:29:22,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:22,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:22,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:29:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:22,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:22,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:22,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341226459] [2022-11-18 20:29:22,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341226459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:22,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:22,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:29:22,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387520438] [2022-11-18 20:29:22,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:22,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:29:22,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:22,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:29:22,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:29:22,909 INFO L87 Difference]: Start difference. First operand has 55 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 49 states have internal predecessors, (53), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:29:23,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:23,039 INFO L93 Difference]: Finished difference Result 102 states and 135 transitions. [2022-11-18 20:29:23,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:29:23,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-18 20:29:23,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:23,052 INFO L225 Difference]: With dead ends: 102 [2022-11-18 20:29:23,052 INFO L226 Difference]: Without dead ends: 44 [2022-11-18 20:29:23,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:29:23,069 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 7 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:23,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 185 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:29:23,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-18 20:29:23,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-18 20:29:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 37 states have internal predecessors, (38), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 20:29:23,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2022-11-18 20:29:23,115 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 12 [2022-11-18 20:29:23,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:23,118 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2022-11-18 20:29:23,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:29:23,118 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2022-11-18 20:29:23,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-18 20:29:23,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:23,120 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:23,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:29:23,121 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)] === [2022-11-18 20:29:23,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:23,123 INFO L85 PathProgramCache]: Analyzing trace with hash -267883777, now seen corresponding path program 1 times [2022-11-18 20:29:23,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:23,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724206826] [2022-11-18 20:29:23,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:23,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:29:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:29:23,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:23,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724206826] [2022-11-18 20:29:23,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724206826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:23,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:23,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:29:23,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180354263] [2022-11-18 20:29:23,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:23,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:29:23,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:23,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:29:23,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:29:23,306 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:29:23,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:23,368 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2022-11-18 20:29:23,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:29:23,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-18 20:29:23,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:23,371 INFO L225 Difference]: With dead ends: 44 [2022-11-18 20:29:23,371 INFO L226 Difference]: Without dead ends: 43 [2022-11-18 20:29:23,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:29:23,373 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:23,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:29:23,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-18 20:29:23,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-18 20:29:23,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 36 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 20:29:23,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2022-11-18 20:29:23,380 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 13 [2022-11-18 20:29:23,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:23,381 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2022-11-18 20:29:23,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:29:23,381 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-18 20:29:23,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-18 20:29:23,382 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:23,382 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:23,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:29:23,385 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)] === [2022-11-18 20:29:23,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:23,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1131433995, now seen corresponding path program 1 times [2022-11-18 20:29:23,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:23,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622663626] [2022-11-18 20:29:23,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:23,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:29:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:29:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:29:23,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:23,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622663626] [2022-11-18 20:29:23,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622663626] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:23,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:23,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:29:23,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105485876] [2022-11-18 20:29:23,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:23,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:29:23,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:23,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:29:23,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:29:23,703 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:29:23,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:23,812 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2022-11-18 20:29:23,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:29:23,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-18 20:29:23,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:23,818 INFO L225 Difference]: With dead ends: 43 [2022-11-18 20:29:23,818 INFO L226 Difference]: Without dead ends: 42 [2022-11-18 20:29:23,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:29:23,820 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 7 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:23,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 137 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:29:23,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-18 20:29:23,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-18 20:29:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 35 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 20:29:23,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2022-11-18 20:29:23,830 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 22 [2022-11-18 20:29:23,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:23,831 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2022-11-18 20:29:23,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:29:23,831 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-11-18 20:29:23,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 20:29:23,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:23,833 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:23,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:29:23,833 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:29:23,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:23,834 INFO L85 PathProgramCache]: Analyzing trace with hash 714715564, now seen corresponding path program 1 times [2022-11-18 20:29:23,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:23,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594479578] [2022-11-18 20:29:23,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:23,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:29:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:29:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:23,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:29:23,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:23,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594479578] [2022-11-18 20:29:23,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594479578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:23,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:23,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:29:23,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649731558] [2022-11-18 20:29:23,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:23,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:29:23,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:23,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:29:23,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:29:23,931 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:29:23,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:23,960 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2022-11-18 20:29:23,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:29:23,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-18 20:29:23,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:23,961 INFO L225 Difference]: With dead ends: 42 [2022-11-18 20:29:23,962 INFO L226 Difference]: Without dead ends: 41 [2022-11-18 20:29:23,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:29:23,963 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:23,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:29:23,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-18 20:29:23,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-18 20:29:23,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.206896551724138) internal successors, (35), 34 states have internal predecessors, (35), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 20:29:23,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2022-11-18 20:29:23,970 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 23 [2022-11-18 20:29:23,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:23,971 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2022-11-18 20:29:23,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:29:23,971 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-18 20:29:23,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-18 20:29:23,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:23,972 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:23,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:29:23,973 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:29:23,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:23,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1032383293, now seen corresponding path program 1 times [2022-11-18 20:29:23,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:23,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011909916] [2022-11-18 20:29:23,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:23,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:29:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:29:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:29:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:29:24,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:24,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011909916] [2022-11-18 20:29:24,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011909916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:24,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:24,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:29:24,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777900980] [2022-11-18 20:29:24,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:24,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:29:24,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:24,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:29:24,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:29:24,042 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-11-18 20:29:24,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:24,051 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2022-11-18 20:29:24,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:29:24,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 30 [2022-11-18 20:29:24,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:24,052 INFO L225 Difference]: With dead ends: 41 [2022-11-18 20:29:24,053 INFO L226 Difference]: Without dead ends: 40 [2022-11-18 20:29:24,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:29:24,054 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 7 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:24,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 78 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:29:24,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-18 20:29:24,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-18 20:29:24,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 33 states have internal predecessors, (34), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 20:29:24,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2022-11-18 20:29:24,060 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 30 [2022-11-18 20:29:24,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:24,061 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2022-11-18 20:29:24,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-11-18 20:29:24,061 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2022-11-18 20:29:24,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-18 20:29:24,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:24,062 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:24,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:29:24,063 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:29:24,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:24,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1939110900, now seen corresponding path program 1 times [2022-11-18 20:29:24,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:24,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545987341] [2022-11-18 20:29:24,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:24,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:29:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:29:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:29:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:29:24,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:24,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545987341] [2022-11-18 20:29:24,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545987341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:24,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:24,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:29:24,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705008019] [2022-11-18 20:29:24,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:24,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:29:24,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:24,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:29:24,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:29:24,147 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-18 20:29:24,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:24,154 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2022-11-18 20:29:24,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:29:24,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 31 [2022-11-18 20:29:24,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:24,156 INFO L225 Difference]: With dead ends: 40 [2022-11-18 20:29:24,156 INFO L226 Difference]: Without dead ends: 39 [2022-11-18 20:29:24,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:29:24,158 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 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 [2022-11-18 20:29:24,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:29:24,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-18 20:29:24,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-18 20:29:24,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 32 states have internal predecessors, (33), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 20:29:24,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-11-18 20:29:24,163 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 31 [2022-11-18 20:29:24,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:24,164 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-11-18 20:29:24,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-18 20:29:24,164 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-11-18 20:29:24,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-18 20:29:24,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:24,166 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:24,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:29:24,166 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:29:24,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:24,167 INFO L85 PathProgramCache]: Analyzing trace with hash -107847857, now seen corresponding path program 1 times [2022-11-18 20:29:24,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:24,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930642548] [2022-11-18 20:29:24,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:24,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:29:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:29:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:29:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 20:29:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,244 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:29:24,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:24,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930642548] [2022-11-18 20:29:24,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930642548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:24,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:24,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:29:24,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872556192] [2022-11-18 20:29:24,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:24,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:29:24,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:24,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:29:24,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:29:24,247 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 20:29:24,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:24,258 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2022-11-18 20:29:24,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:29:24,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 38 [2022-11-18 20:29:24,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:24,261 INFO L225 Difference]: With dead ends: 39 [2022-11-18 20:29:24,261 INFO L226 Difference]: Without dead ends: 38 [2022-11-18 20:29:24,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:29:24,263 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 2 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:24,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 82 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:29:24,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-18 20:29:24,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-18 20:29:24,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 29 states have (on average 1.103448275862069) internal successors, (32), 31 states have internal predecessors, (32), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 20:29:24,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 44 transitions. [2022-11-18 20:29:24,283 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 44 transitions. Word has length 38 [2022-11-18 20:29:24,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:24,285 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 44 transitions. [2022-11-18 20:29:24,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 20:29:24,290 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2022-11-18 20:29:24,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-18 20:29:24,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:24,293 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:24,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:29:24,294 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:29:24,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:24,294 INFO L85 PathProgramCache]: Analyzing trace with hash 951683857, now seen corresponding path program 1 times [2022-11-18 20:29:24,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:24,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254028744] [2022-11-18 20:29:24,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:24,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:29:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:29:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 20:29:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 20:29:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:24,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:29:24,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:24,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254028744] [2022-11-18 20:29:24,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254028744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:24,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:24,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:29:24,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838068638] [2022-11-18 20:29:24,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:24,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:29:24,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:24,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:29:24,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:29:24,403 INFO L87 Difference]: Start difference. First operand 38 states and 44 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 20:29:24,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:24,413 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2022-11-18 20:29:24,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:29:24,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2022-11-18 20:29:24,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:24,415 INFO L225 Difference]: With dead ends: 38 [2022-11-18 20:29:24,415 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:29:24,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:29:24,417 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 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 [2022-11-18 20:29:24,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:29:24,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:29:24,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:29:24,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:29:24,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:29:24,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-11-18 20:29:24,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:24,421 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:29:24,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 20:29:24,422 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:29:24,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:29:24,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-18 20:29:24,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-18 20:29:24,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-18 20:29:24,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-18 20:29:24,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-18 20:29:24,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-18 20:29:24,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-18 20:29:24,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-18 20:29:24,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:29:24,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:29:24,454 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-18 20:29:24,454 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 20:29:24,455 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-18 20:29:24,455 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 20:29:24,455 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 20:29:24,455 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-18 20:29:24,455 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 20:29:24,455 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1607) no Hoare annotation was computed. [2022-11-18 20:29:24,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-11-18 20:29:24,456 INFO L899 garLoopResultBuilder]: For program point L1600-1(lines 1597 1616) no Hoare annotation was computed. [2022-11-18 20:29:24,456 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1616) no Hoare annotation was computed. [2022-11-18 20:29:24,457 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2022-11-18 20:29:24,457 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1624) no Hoare annotation was computed. [2022-11-18 20:29:24,457 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647) [2022-11-18 20:29:24,457 INFO L899 garLoopResultBuilder]: For program point L1621-2(lines 1618 1633) no Hoare annotation was computed. [2022-11-18 20:29:24,458 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1633) no Hoare annotation was computed. [2022-11-18 20:29:24,458 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1593) no Hoare annotation was computed. [2022-11-18 20:29:24,458 INFO L902 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: true [2022-11-18 20:29:24,458 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (<= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) [2022-11-18 20:29:24,459 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2022-11-18 20:29:24,459 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2022-11-18 20:29:24,459 INFO L899 garLoopResultBuilder]: For program point L1634(lines 1634 1640) no Hoare annotation was computed. [2022-11-18 20:29:24,459 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:29:24,459 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-11-18 20:29:24,460 INFO L902 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: true [2022-11-18 20:29:24,460 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:29:24,460 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2022-11-18 20:29:24,460 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:29:24,460 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-18 20:29:24,460 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2022-11-18 20:29:24,460 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1555) no Hoare annotation was computed. [2022-11-18 20:29:24,461 INFO L902 garLoopResultBuilder]: At program point L1647(lines 1641 1648) the Hoare annotation is: true [2022-11-18 20:29:24,461 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1573) no Hoare annotation was computed. [2022-11-18 20:29:24,461 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1573) no Hoare annotation was computed. [2022-11-18 20:29:24,461 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: false [2022-11-18 20:29:24,461 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-11-18 20:29:24,461 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:29:24,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2022-11-18 20:29:24,462 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2022-11-18 20:29:24,462 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2022-11-18 20:29:24,462 INFO L899 garLoopResultBuilder]: For program point L1582(lines 1582 1594) no Hoare annotation was computed. [2022-11-18 20:29:24,463 INFO L902 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: true [2022-11-18 20:29:24,463 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2022-11-18 20:29:24,463 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2022-11-18 20:29:24,463 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1581) no Hoare annotation was computed. [2022-11-18 20:29:24,463 INFO L899 garLoopResultBuilder]: For program point L1578-2(lines 1575 1595) no Hoare annotation was computed. [2022-11-18 20:29:24,464 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1595) no Hoare annotation was computed. [2022-11-18 20:29:24,464 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2022-11-18 20:29:24,464 INFO L899 garLoopResultBuilder]: For program point L1570-1(lines 1556 1572) no Hoare annotation was computed. [2022-11-18 20:29:24,464 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647) [2022-11-18 20:29:24,464 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-11-18 20:29:24,465 INFO L899 garLoopResultBuilder]: For program point L1628(line 1628) no Hoare annotation was computed. [2022-11-18 20:29:24,465 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2022-11-18 20:29:24,465 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2022-11-18 20:29:24,465 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2022-11-18 20:29:24,469 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:24,471 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:29:24,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:29:24 BoogieIcfgContainer [2022-11-18 20:29:24,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:29:24,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:29:24,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:29:24,484 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:29:24,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:29:22" (3/4) ... [2022-11-18 20:29:24,488 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:29:24,494 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-18 20:29:24,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-18 20:29:24,503 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-18 20:29:24,503 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 20:29:24,503 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 20:29:24,504 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:29:24,555 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:29:24,556 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:29:24,556 INFO L158 Benchmark]: Toolchain (without parser) took 4372.88ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 62.3MB in the beginning and 72.9MB in the end (delta: -10.6MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2022-11-18 20:29:24,558 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:29:24,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1228.96ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 62.1MB in the beginning and 84.2MB in the end (delta: -22.1MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2022-11-18 20:29:24,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.47ms. Allocated memory is still 130.0MB. Free memory was 84.2MB in the beginning and 81.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:29:24,559 INFO L158 Benchmark]: Boogie Preprocessor took 56.27ms. Allocated memory is still 130.0MB. Free memory was 81.5MB in the beginning and 79.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:29:24,559 INFO L158 Benchmark]: RCFGBuilder took 547.08ms. Allocated memory is still 130.0MB. Free memory was 79.4MB in the beginning and 64.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 20:29:24,559 INFO L158 Benchmark]: TraceAbstraction took 2370.50ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 63.2MB in the beginning and 76.0MB in the end (delta: -12.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-11-18 20:29:24,560 INFO L158 Benchmark]: Witness Printer took 71.83ms. Allocated memory is still 157.3MB. Free memory was 76.0MB in the beginning and 72.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:29:24,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1228.96ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 62.1MB in the beginning and 84.2MB in the end (delta: -22.1MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.47ms. Allocated memory is still 130.0MB. Free memory was 84.2MB in the beginning and 81.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.27ms. Allocated memory is still 130.0MB. Free memory was 81.5MB in the beginning and 79.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 547.08ms. Allocated memory is still 130.0MB. Free memory was 79.4MB in the beginning and 64.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2370.50ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 63.2MB in the beginning and 76.0MB in the end (delta: -12.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Witness Printer took 71.83ms. Allocated memory is still 157.3MB. Free memory was 76.0MB in the beginning and 72.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: 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 3 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 890 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 540 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 350 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 28 PreInvPairs, 36 NumberOfFragments, 41 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 208 NumberOfCodeBlocks, 208 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 56/56 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: 1641]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:29:24,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fc5e352-5f5b-4ae5-8cf5-479b2b58d5a7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE