./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a --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 d7f3d41ec580b5c6d21a92e415a68047f7c5b57b2ecfe8c052da30348ee471ce --- 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-b5237d8 [2022-11-21 17:25:40,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:25:40,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:25:40,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:25:40,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:25:40,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:25:40,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:25:40,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:25:40,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:25:40,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:25:40,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:25:40,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:25:40,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:25:40,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:25:40,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:25:40,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:25:40,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:25:40,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:25:40,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:25:40,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:25:40,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:25:40,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:25:40,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:25:40,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:25:40,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:25:40,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:25:40,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:25:40,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:25:40,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:25:40,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:25:40,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:25:40,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:25:40,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:25:40,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:25:40,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:25:40,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:25:40,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:25:40,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:25:40,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:25:40,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:25:40,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:25:40,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-21 17:25:40,778 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:25:40,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:25:40,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:25:40,779 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:25:40,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:25:40,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:25:40,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:25:40,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:25:40,781 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:25:40,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:25:40,783 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:25:40,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:25:40,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:25:40,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:25:40,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:25:40,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:25:40,784 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 17:25:40,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:25:40,785 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:25:40,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:25:40,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:25:40,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:25:40,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:25:40,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:25:40,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:25:40,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:25:40,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:25:40,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:25:40,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:25:40,788 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:25:40,789 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:25:40,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:25:40,789 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_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7f3d41ec580b5c6d21a92e415a68047f7c5b57b2ecfe8c052da30348ee471ce [2022-11-21 17:25:41,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:25:41,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:25:41,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:25:41,113 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:25:41,114 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:25:41,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_65_good.i [2022-11-21 17:25:44,157 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:25:44,582 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:25:44,583 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_65_good.i [2022-11-21 17:25:44,614 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a/data/14d869f5f/5e78c2c1fee341f2a5d664f617c749f0/FLAG6d315b00a [2022-11-21 17:25:44,628 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a/data/14d869f5f/5e78c2c1fee341f2a5d664f617c749f0 [2022-11-21 17:25:44,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:25:44,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:25:44,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:25:44,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:25:44,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:25:44,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:25:44" (1/1) ... [2022-11-21 17:25:44,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402d0f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:44, skipping insertion in model container [2022-11-21 17:25:44,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:25:44" (1/1) ... [2022-11-21 17:25:44,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:25:44,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:25:45,182 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:25:46,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:25:46,062 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:25:46,081 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:25:46,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:25:46,264 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:25:46,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:46 WrapperNode [2022-11-21 17:25:46,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:25:46,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:25:46,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:25:46,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:25:46,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:46" (1/1) ... [2022-11-21 17:25:46,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:46" (1/1) ... [2022-11-21 17:25:46,315 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 59 [2022-11-21 17:25:46,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:25:46,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:25:46,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:25:46,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:25:46,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:46" (1/1) ... [2022-11-21 17:25:46,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:46" (1/1) ... [2022-11-21 17:25:46,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:46" (1/1) ... [2022-11-21 17:25:46,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:46" (1/1) ... [2022-11-21 17:25:46,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:46" (1/1) ... [2022-11-21 17:25:46,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:46" (1/1) ... [2022-11-21 17:25:46,342 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:46" (1/1) ... [2022-11-21 17:25:46,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:46" (1/1) ... [2022-11-21 17:25:46,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:25:46,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:25:46,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:25:46,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:25:46,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:46" (1/1) ... [2022-11-21 17:25:46,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:25:46,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:25:46,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:25:46,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:25:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 17:25:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 17:25:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 17:25:46,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 17:25:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:25:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-21 17:25:46,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-21 17:25:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:25:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:25:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 17:25:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:25:46,708 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:25:46,711 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:25:46,909 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:25:46,916 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:25:46,916 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:25:46,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:25:46 BoogieIcfgContainer [2022-11-21 17:25:46,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:25:46,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:25:46,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:25:46,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:25:46,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:25:44" (1/3) ... [2022-11-21 17:25:46,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e460ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:25:46, skipping insertion in model container [2022-11-21 17:25:46,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:46" (2/3) ... [2022-11-21 17:25:46,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e460ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:25:46, skipping insertion in model container [2022-11-21 17:25:46,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:25:46" (3/3) ... [2022-11-21 17:25:46,928 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_65_good.i [2022-11-21 17:25:46,947 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:25:46,948 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-21 17:25:47,001 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:25:47,008 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;@18f5ebca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:25:47,008 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-21 17:25:47,012 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 33 states have internal predecessors, (35), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-21 17:25:47,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 17:25:47,021 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:25:47,021 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:25:47,022 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-21 17:25:47,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:25:47,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1141213936, now seen corresponding path program 1 times [2022-11-21 17:25:47,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:25:47,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018261668] [2022-11-21 17:25:47,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:25:47,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:25:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:47,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:25:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:25:47,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:25:47,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018261668] [2022-11-21 17:25:47,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018261668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:25:47,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:25:47,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:25:47,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039185565] [2022-11-21 17:25:47,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:25:47,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:25:47,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:25:47,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:25:47,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:25:47,497 INFO L87 Difference]: Start difference. First operand has 41 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 33 states have internal predecessors, (35), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:25:47,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:25:47,656 INFO L93 Difference]: Finished difference Result 97 states and 120 transitions. [2022-11-21 17:25:47,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:25:47,659 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-21 17:25:47,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:25:47,670 INFO L225 Difference]: With dead ends: 97 [2022-11-21 17:25:47,671 INFO L226 Difference]: Without dead ends: 47 [2022-11-21 17:25:47,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-21 17:25:47,679 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 43 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:25:47,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 211 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:25:47,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-21 17:25:47,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2022-11-21 17:25:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 30 states have (on average 1.3) internal successors, (39), 35 states have internal predecessors, (39), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-21 17:25:47,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2022-11-21 17:25:47,728 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 13 [2022-11-21 17:25:47,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:25:47,730 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-11-21 17:25:47,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:25:47,731 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-11-21 17:25:47,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 17:25:47,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:25:47,733 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:25:47,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:25:47,734 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-21 17:25:47,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:25:47,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1017247305, now seen corresponding path program 1 times [2022-11-21 17:25:47,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:25:47,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232163961] [2022-11-21 17:25:47,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:25:47,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:25:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:47,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:25:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:25:47,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:25:47,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232163961] [2022-11-21 17:25:47,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232163961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:25:47,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:25:47,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:25:47,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135884901] [2022-11-21 17:25:47,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:25:47,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:25:47,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:25:47,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:25:47,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:25:47,930 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:25:48,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:25:48,057 INFO L93 Difference]: Finished difference Result 67 states and 73 transitions. [2022-11-21 17:25:48,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:25:48,059 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-21 17:25:48,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:25:48,061 INFO L225 Difference]: With dead ends: 67 [2022-11-21 17:25:48,062 INFO L226 Difference]: Without dead ends: 44 [2022-11-21 17:25:48,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-21 17:25:48,066 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 30 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:25:48,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 127 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:25:48,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-21 17:25:48,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2022-11-21 17:25:48,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 33 states have internal predecessors, (35), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-21 17:25:48,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2022-11-21 17:25:48,084 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 14 [2022-11-21 17:25:48,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:25:48,084 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2022-11-21 17:25:48,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 17:25:48,085 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2022-11-21 17:25:48,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 17:25:48,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:25:48,088 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, 1, 1, 1, 1] [2022-11-21 17:25:48,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:25:48,088 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-21 17:25:48,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:25:48,089 INFO L85 PathProgramCache]: Analyzing trace with hash 541608297, now seen corresponding path program 1 times [2022-11-21 17:25:48,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:25:48,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392910423] [2022-11-21 17:25:48,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:25:48,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:25:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:48,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:25:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:48,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 17:25:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:48,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 17:25:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:48,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:25:48,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:25:48,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392910423] [2022-11-21 17:25:48,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392910423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:25:48,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:25:48,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:25:48,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57335270] [2022-11-21 17:25:48,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:25:48,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:25:48,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:25:48,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:25:48,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:25:48,353 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:25:48,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:25:48,392 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2022-11-21 17:25:48,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:25:48,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2022-11-21 17:25:48,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:25:48,395 INFO L225 Difference]: With dead ends: 44 [2022-11-21 17:25:48,396 INFO L226 Difference]: Without dead ends: 39 [2022-11-21 17:25:48,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:25:48,398 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 8 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:25:48,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 87 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:25:48,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-21 17:25:48,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2022-11-21 17:25:48,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-21 17:25:48,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2022-11-21 17:25:48,413 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 27 [2022-11-21 17:25:48,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:25:48,414 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2022-11-21 17:25:48,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:25:48,415 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2022-11-21 17:25:48,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 17:25:48,417 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:25:48,417 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:25:48,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 17:25:48,418 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-21 17:25:48,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:25:48,420 INFO L85 PathProgramCache]: Analyzing trace with hash -390658320, now seen corresponding path program 1 times [2022-11-21 17:25:48,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:25:48,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560267072] [2022-11-21 17:25:48,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:25:48,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:25:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:25:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:48,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 17:25:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:48,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 17:25:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:48,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 17:25:48,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:25:48,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560267072] [2022-11-21 17:25:48,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560267072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:25:48,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:25:48,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:25:48,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195938358] [2022-11-21 17:25:48,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:25:48,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:25:48,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:25:48,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:25:48,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:25:48,526 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:25:48,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:25:48,548 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2022-11-21 17:25:48,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:25:48,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2022-11-21 17:25:48,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:25:48,550 INFO L225 Difference]: With dead ends: 39 [2022-11-21 17:25:48,551 INFO L226 Difference]: Without dead ends: 38 [2022-11-21 17:25:48,551 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 [2022-11-21 17:25:48,553 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 5 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:25:48,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 58 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:25:48,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-21 17:25:48,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2022-11-21 17:25:48,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 27 states have internal predecessors, (29), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-21 17:25:48,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2022-11-21 17:25:48,568 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 28 [2022-11-21 17:25:48,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:25:48,569 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2022-11-21 17:25:48,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:25:48,570 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2022-11-21 17:25:48,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 17:25:48,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:25:48,585 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:25:48,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 17:25:48,585 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-21 17:25:48,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:25:48,586 INFO L85 PathProgramCache]: Analyzing trace with hash 774494039, now seen corresponding path program 1 times [2022-11-21 17:25:48,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:25:48,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070263902] [2022-11-21 17:25:48,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:25:48,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:25:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:48,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:25:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:48,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 17:25:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:48,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 17:25:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:48,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 17:25:48,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:25:48,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070263902] [2022-11-21 17:25:48,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070263902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:25:48,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:25:48,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:25:48,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722245694] [2022-11-21 17:25:48,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:25:48,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:25:48,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:25:48,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:25:48,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:25:48,714 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:25:48,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:25:48,731 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2022-11-21 17:25:48,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:25:48,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2022-11-21 17:25:48,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:25:48,733 INFO L225 Difference]: With dead ends: 38 [2022-11-21 17:25:48,733 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 17:25:48,734 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 [2022-11-21 17:25:48,737 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 3 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:25:48,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 57 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:25:48,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 17:25:48,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 17:25:48,747 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) [2022-11-21 17:25:48,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 17:25:48,748 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2022-11-21 17:25:48,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:25:48,748 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:25:48,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:25:48,749 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 17:25:48,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 17:25:48,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-21 17:25:48,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-21 17:25:48,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-21 17:25:48,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-21 17:25:48,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 17:25:48,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 17:25:48,853 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-21 17:25:48,853 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-21 17:25:48,853 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-21 17:25:48,853 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-21 17:25:48,854 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-21 17:25:48,854 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-21 17:25:48,854 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-21 17:25:48,854 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 17:25:48,854 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 17:25:48,855 INFO L899 garLoopResultBuilder]: For program point L1566(lines 1566 1570) no Hoare annotation was computed. [2022-11-21 17:25:48,855 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 17:25:48,856 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 17:25:48,856 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (and (<= |#funAddr~CWE190_Integer_Overflow__int_max_multiply_65b_goodB2GSink.offset| |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset|) (= |ULTIMATE.start_goodG2B_~data~0#1| 2) (<= |#funAddr~CWE190_Integer_Overflow__int_max_multiply_65b_goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~CWE190_Integer_Overflow__int_max_multiply_65b_goodB2GSink.base|) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~CWE190_Integer_Overflow__int_max_multiply_65b_goodB2GSink.offset|)) [2022-11-21 17:25:48,856 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1558 1565) no Hoare annotation was computed. [2022-11-21 17:25:48,856 INFO L895 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-11-21 17:25:48,857 INFO L899 garLoopResultBuilder]: For program point L1555-1(lines 1549 1556) no Hoare annotation was computed. [2022-11-21 17:25:48,857 INFO L895 garLoopResultBuilder]: At program point L1577(lines 1571 1578) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-11-21 17:25:48,857 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-11-21 17:25:48,857 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2022-11-21 17:25:48,857 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true [2022-11-21 17:25:48,857 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2022-11-21 17:25:48,858 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (not (= 2 |##fun~int~TO~VOID_#in~93#1|)) [2022-11-21 17:25:48,858 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (or (and (= 2 |##fun~int~TO~VOID_#~93#1|) (< |##fun~int~TO~VOID_#in~#fp#1.offset| (+ |#funAddr~CWE190_Integer_Overflow__int_max_multiply_65b_goodB2GSink.offset| 1)) (<= |#funAddr~CWE190_Integer_Overflow__int_max_multiply_65b_goodB2GSink.offset| |##fun~int~TO~VOID_#in~#fp#1.offset|) (< |##fun~int~TO~VOID_#in~#fp#1.base| (+ |#funAddr~CWE190_Integer_Overflow__int_max_multiply_65b_goodB2GSink.base| 1)) (= |##fun~int~TO~VOID_CWE190_Integer_Overflow__int_max_multiply_65b_goodB2GSink_~data#1| 2) (<= |#funAddr~CWE190_Integer_Overflow__int_max_multiply_65b_goodB2GSink.base| |##fun~int~TO~VOID_#in~#fp#1.base|)) (not (= 2 |##fun~int~TO~VOID_#in~93#1|))) [2022-11-21 17:25:48,858 INFO L895 garLoopResultBuilder]: At program point L1584(line 1584) the Hoare annotation is: (or (and (= 2 |##fun~int~TO~VOID_#~93#1|) (= |##fun~int~TO~VOID_CWE190_Integer_Overflow__int_max_multiply_65b_goodG2BSink_~data#1| 2)) (not (= 2 |##fun~int~TO~VOID_#in~93#1|))) [2022-11-21 17:25:48,858 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2022-11-21 17:25:48,859 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-11-21 17:25:48,859 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-21 17:25:48,860 INFO L902 garLoopResultBuilder]: At program point ##fun~int~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-21 17:25:48,860 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 17:25:48,860 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-21 17:25:48,860 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed. [2022-11-21 17:25:48,860 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2022-11-21 17:25:48,860 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1599) no Hoare annotation was computed. [2022-11-21 17:25:48,861 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1600) no Hoare annotation was computed. [2022-11-21 17:25:48,861 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1601) no Hoare annotation was computed. [2022-11-21 17:25:48,862 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2022-11-21 17:25:48,862 INFO L899 garLoopResultBuilder]: For program point L1583(line 1583) no Hoare annotation was computed. [2022-11-21 17:25:48,862 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-11-21 17:25:48,862 INFO L899 garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed. [2022-11-21 17:25:48,863 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1585) no Hoare annotation was computed. [2022-11-21 17:25:48,863 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1586) no Hoare annotation was computed. [2022-11-21 17:25:48,868 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-21 17:25:48,871 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:25:48,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:25:48 BoogieIcfgContainer [2022-11-21 17:25:48,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:25:48,886 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:25:48,886 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:25:48,886 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:25:48,887 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:25:46" (3/4) ... [2022-11-21 17:25:48,890 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 17:25:48,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 17:25:48,899 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 17:25:48,899 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-21 17:25:48,906 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-21 17:25:48,906 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-21 17:25:48,906 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 17:25:48,907 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 17:25:48,969 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 17:25:48,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:25:48,970 INFO L158 Benchmark]: Toolchain (without parser) took 4337.55ms. Allocated memory is still 151.0MB. Free memory was 103.9MB in the beginning and 93.3MB in the end (delta: 10.6MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-11-21 17:25:48,970 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:25:48,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1630.19ms. Allocated memory is still 151.0MB. Free memory was 103.9MB in the beginning and 99.8MB in the end (delta: 4.2MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2022-11-21 17:25:48,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.60ms. Allocated memory is still 151.0MB. Free memory was 99.8MB in the beginning and 96.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:25:48,972 INFO L158 Benchmark]: Boogie Preprocessor took 29.55ms. Allocated memory is still 151.0MB. Free memory was 96.3MB in the beginning and 94.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:25:48,972 INFO L158 Benchmark]: RCFGBuilder took 572.48ms. Allocated memory is still 151.0MB. Free memory was 94.8MB in the beginning and 82.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 17:25:48,973 INFO L158 Benchmark]: TraceAbstraction took 1964.37ms. Allocated memory is still 151.0MB. Free memory was 81.7MB in the beginning and 96.5MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:25:48,980 INFO L158 Benchmark]: Witness Printer took 83.98ms. Allocated memory is still 151.0MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:25:48,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1630.19ms. Allocated memory is still 151.0MB. Free memory was 103.9MB in the beginning and 99.8MB in the end (delta: 4.2MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.60ms. Allocated memory is still 151.0MB. Free memory was 99.8MB in the beginning and 96.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.55ms. Allocated memory is still 151.0MB. Free memory was 96.3MB in the beginning and 94.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.48ms. Allocated memory is still 151.0MB. Free memory was 94.8MB in the beginning and 82.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1964.37ms. Allocated memory is still 151.0MB. Free memory was 81.7MB in the beginning and 96.5MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 83.98ms. Allocated memory is still 151.0MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: 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 4 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 540 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 366 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 174 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=1, InterpolantAutomatonStates: 22, 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, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 33 PreInvPairs, 36 NumberOfFragments, 73 HoareAnnotationTreeSize, 33 FomulaSimplifications, 6 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1571]: Loop Invariant Derived loop invariant: data == 2 RESULT: Ultimate proved your program to be correct! [2022-11-21 17:25:49,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cf2f925-4beb-4531-93a2-ddf57fc94b69/bin/uautomizer-vX5HgA9Q3a/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