./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0121222cface1bd9d90a41b87ab0aded4983441fe3b7a6908aa61c3a9cc671f4 --- 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-38b53e6 [2022-11-25 23:37:42,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:37:42,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:37:42,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:37:42,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:37:42,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:37:42,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:37:42,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:37:42,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:37:42,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:37:42,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:37:42,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:37:42,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:37:42,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:37:42,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:37:42,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:37:42,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:37:42,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:37:42,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:37:42,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:37:42,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:37:42,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:37:42,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:37:42,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:37:42,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:37:42,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:37:42,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:37:42,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:37:42,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:37:42,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:37:42,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:37:42,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:37:42,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:37:42,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:37:42,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:37:42,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:37:42,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:37:42,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:37:42,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:37:42,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:37:42,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:37:42,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:37:42,728 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:37:42,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:37:42,729 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:37:42,729 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:37:42,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:37:42,731 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:37:42,731 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:37:42,731 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:37:42,731 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:37:42,732 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:37:42,733 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:37:42,733 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:37:42,733 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:37:42,734 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:37:42,734 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:37:42,734 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:37:42,734 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:37:42,735 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:37:42,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:37:42,736 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:37:42,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:37:42,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:37:42,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:37:42,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:37:42,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:37:42,737 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:37:42,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:37:42,738 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:37:42,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:37:42,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:37:42,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:37:42,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:37:42,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:37:42,740 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:37:42,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:37:42,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:37:42,741 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:37:42,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:37:42,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:37:42,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:37:42,742 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_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0121222cface1bd9d90a41b87ab0aded4983441fe3b7a6908aa61c3a9cc671f4 [2022-11-25 23:37:43,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:37:43,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:37:43,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:37:43,076 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:37:43,077 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:37:43,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_17_good.i [2022-11-25 23:37:46,109 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:37:46,451 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:37:46,451 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_17_good.i [2022-11-25 23:37:46,480 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/data/e9a9196f8/538205c4752c40d19346b2fa6672422a/FLAGde5621e64 [2022-11-25 23:37:46,498 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/data/e9a9196f8/538205c4752c40d19346b2fa6672422a [2022-11-25 23:37:46,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:37:46,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:37:46,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:37:46,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:37:46,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:37:46,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:37:46" (1/1) ... [2022-11-25 23:37:46,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bda6a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:46, skipping insertion in model container [2022-11-25 23:37:46,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:37:46" (1/1) ... [2022-11-25 23:37:46,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:37:46,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:37:46,980 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:37:47,470 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:37:47,474 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:37:47,476 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:37:47,479 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:37:47,480 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:37:47,514 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:37:47,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:37:47,525 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:37:47,546 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:37:47,668 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:37:47,670 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:37:47,671 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:37:47,673 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:37:47,674 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:37:47,681 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:37:47,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:37:47,839 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:37:47,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:47 WrapperNode [2022-11-25 23:37:47,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:37:47,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:37:47,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:37:47,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:37:47,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:47" (1/1) ... [2022-11-25 23:37:47,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:47" (1/1) ... [2022-11-25 23:37:47,935 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 96 [2022-11-25 23:37:47,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:37:47,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:37:47,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:37:47,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:37:47,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:47" (1/1) ... [2022-11-25 23:37:47,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:47" (1/1) ... [2022-11-25 23:37:47,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:47" (1/1) ... [2022-11-25 23:37:47,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:47" (1/1) ... [2022-11-25 23:37:47,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:47" (1/1) ... [2022-11-25 23:37:47,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:47" (1/1) ... [2022-11-25 23:37:47,977 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:47" (1/1) ... [2022-11-25 23:37:47,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:47" (1/1) ... [2022-11-25 23:37:47,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:37:47,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:37:47,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:37:47,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:37:47,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:47" (1/1) ... [2022-11-25 23:37:48,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:37:48,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:37:48,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:37:48,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:37:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 23:37:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 23:37:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:37:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:37:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:37:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:37:48,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:37:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:37:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:37:48,313 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:37:48,315 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:37:48,536 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:37:48,610 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:37:48,610 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 23:37:48,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:37:48 BoogieIcfgContainer [2022-11-25 23:37:48,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:37:48,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:37:48,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:37:48,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:37:48,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:37:46" (1/3) ... [2022-11-25 23:37:48,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5725b5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:37:48, skipping insertion in model container [2022-11-25 23:37:48,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:47" (2/3) ... [2022-11-25 23:37:48,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5725b5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:37:48, skipping insertion in model container [2022-11-25 23:37:48,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:37:48" (3/3) ... [2022-11-25 23:37:48,621 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_17_good.i [2022-11-25 23:37:48,661 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:37:48,662 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-25 23:37:48,722 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:37:48,729 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=FINITE_AUTOMATA, 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;@13c85f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:37:48,730 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-25 23:37:48,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 37 states have internal predecessors, (41), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 23:37:48,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:37:48,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:48,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:37:48,746 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 23:37:48,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:48,753 INFO L85 PathProgramCache]: Analyzing trace with hash -895491279, now seen corresponding path program 1 times [2022-11-25 23:37:48,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:48,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522360962] [2022-11-25 23:37:48,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:48,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:49,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:49,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522360962] [2022-11-25 23:37:49,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522360962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:49,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:37:49,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:37:49,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688514028] [2022-11-25 23:37:49,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:49,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:37:49,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:49,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:37:49,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:37:49,165 INFO L87 Difference]: Start difference. First operand has 44 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 37 states have internal predecessors, (41), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-25 23:37:49,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:49,253 INFO L93 Difference]: Finished difference Result 85 states and 98 transitions. [2022-11-25 23:37:49,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:37:49,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 7 [2022-11-25 23:37:49,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:49,264 INFO L225 Difference]: With dead ends: 85 [2022-11-25 23:37:49,265 INFO L226 Difference]: Without dead ends: 44 [2022-11-25 23:37:49,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:37:49,272 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 3 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:49,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 114 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:37:49,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-25 23:37:49,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-25 23:37:49,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 38 states have internal predecessors, (42), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 23:37:49,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2022-11-25 23:37:49,331 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 7 [2022-11-25 23:37:49,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:49,332 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2022-11-25 23:37:49,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-25 23:37:49,333 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2022-11-25 23:37:49,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 23:37:49,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:49,335 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:37:49,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:37:49,336 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 23:37:49,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:49,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1538756758, now seen corresponding path program 1 times [2022-11-25 23:37:49,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:49,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332221539] [2022-11-25 23:37:49,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:49,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:49,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:49,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:49,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332221539] [2022-11-25 23:37:49,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332221539] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:37:49,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542883142] [2022-11-25 23:37:49,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:49,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:37:49,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:37:49,466 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:37:49,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:37:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:49,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:37:49,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:37:49,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:49,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:37:49,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542883142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:49,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:37:49,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-25 23:37:49,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913646123] [2022-11-25 23:37:49,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:49,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:37:49,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:49,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:37:49,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:37:49,644 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2022-11-25 23:37:49,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:49,686 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2022-11-25 23:37:49,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:37:49,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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 10 [2022-11-25 23:37:49,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:49,700 INFO L225 Difference]: With dead ends: 78 [2022-11-25 23:37:49,700 INFO L226 Difference]: Without dead ends: 40 [2022-11-25 23:37:49,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:37:49,702 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 32 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:49,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 79 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:37:49,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-25 23:37:49,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-25 23:37:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 34 states have internal predecessors, (37), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 23:37:49,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2022-11-25 23:37:49,711 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 10 [2022-11-25 23:37:49,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:49,711 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2022-11-25 23:37:49,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2022-11-25 23:37:49,712 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-25 23:37:49,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:37:49,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:49,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:37:49,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:37:49,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:37:49,914 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 23:37:49,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:49,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1276061748, now seen corresponding path program 1 times [2022-11-25 23:37:49,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:49,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913176175] [2022-11-25 23:37:49,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:49,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:49,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:37:49,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:49,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913176175] [2022-11-25 23:37:49,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913176175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:49,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:37:49,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:37:49,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499961450] [2022-11-25 23:37:49,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:49,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:37:49,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:49,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:37:49,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:37:49,975 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-11-25 23:37:49,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:49,998 INFO L93 Difference]: Finished difference Result 68 states and 76 transitions. [2022-11-25 23:37:49,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:37:49,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 [2022-11-25 23:37:50,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:50,001 INFO L225 Difference]: With dead ends: 68 [2022-11-25 23:37:50,001 INFO L226 Difference]: Without dead ends: 35 [2022-11-25 23:37:50,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:37:50,003 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 23 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:50,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 33 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:37:50,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-25 23:37:50,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-25 23:37:50,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 29 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:37:50,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2022-11-25 23:37:50,010 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 12 [2022-11-25 23:37:50,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:50,011 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2022-11-25 23:37:50,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-11-25 23:37:50,011 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2022-11-25 23:37:50,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:37:50,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:50,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:37:50,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:37:50,013 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 23:37:50,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:50,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1275966023, now seen corresponding path program 1 times [2022-11-25 23:37:50,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:50,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413257278] [2022-11-25 23:37:50,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:50,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:50,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:37:50,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:50,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413257278] [2022-11-25 23:37:50,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413257278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:50,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:37:50,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:37:50,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322929402] [2022-11-25 23:37:50,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:50,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:37:50,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:50,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:37:50,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:37:50,062 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-11-25 23:37:50,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:50,093 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2022-11-25 23:37:50,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:37:50,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 [2022-11-25 23:37:50,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:50,095 INFO L225 Difference]: With dead ends: 61 [2022-11-25 23:37:50,095 INFO L226 Difference]: Without dead ends: 43 [2022-11-25 23:37:50,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:37:50,097 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 6 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:50,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 55 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:37:50,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-25 23:37:50,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 36. [2022-11-25 23:37:50,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.434782608695652) internal successors, (33), 30 states have internal predecessors, (33), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:37:50,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2022-11-25 23:37:50,104 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 12 [2022-11-25 23:37:50,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:50,105 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2022-11-25 23:37:50,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-11-25 23:37:50,105 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2022-11-25 23:37:50,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 23:37:50,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:50,106 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:37:50,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:37:50,107 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 23:37:50,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:50,107 INFO L85 PathProgramCache]: Analyzing trace with hash 754095898, now seen corresponding path program 1 times [2022-11-25 23:37:50,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:50,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078345209] [2022-11-25 23:37:50,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:50,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:37:50,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:50,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078345209] [2022-11-25 23:37:50,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078345209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:50,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:37:50,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:37:50,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711062268] [2022-11-25 23:37:50,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:50,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:37:50,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:50,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:37:50,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:37:50,186 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:37:50,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:50,237 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2022-11-25 23:37:50,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:37:50,238 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2022-11-25 23:37:50,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:50,239 INFO L225 Difference]: With dead ends: 43 [2022-11-25 23:37:50,239 INFO L226 Difference]: Without dead ends: 41 [2022-11-25 23:37:50,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:37:50,240 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 3 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:50,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 77 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:37:50,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-25 23:37:50,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-25 23:37:50,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 34 states have internal predecessors, (37), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 23:37:50,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2022-11-25 23:37:50,247 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 16 [2022-11-25 23:37:50,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:50,247 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2022-11-25 23:37:50,248 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:37:50,248 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2022-11-25 23:37:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 23:37:50,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:50,249 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:37:50,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:37:50,249 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 23:37:50,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:50,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1251505096, now seen corresponding path program 1 times [2022-11-25 23:37:50,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:50,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50412938] [2022-11-25 23:37:50,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:50,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:50,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:37:50,335 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:50,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50412938] [2022-11-25 23:37:50,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50412938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:50,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:37:50,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:37:50,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018094562] [2022-11-25 23:37:50,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:50,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:37:50,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:50,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:37:50,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:37:50,337 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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) [2022-11-25 23:37:50,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:50,407 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2022-11-25 23:37:50,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:37:50,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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 20 [2022-11-25 23:37:50,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:50,413 INFO L225 Difference]: With dead ends: 59 [2022-11-25 23:37:50,413 INFO L226 Difference]: Without dead ends: 44 [2022-11-25 23:37:50,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:37:50,414 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 3 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:50,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 83 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:37:50,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-25 23:37:50,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-25 23:37:50,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 37 states have internal predecessors, (40), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 23:37:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2022-11-25 23:37:50,421 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 20 [2022-11-25 23:37:50,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:50,421 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2022-11-25 23:37:50,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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) [2022-11-25 23:37:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2022-11-25 23:37:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 23:37:50,422 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:50,423 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:37:50,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:37:50,423 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 23:37:50,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:50,424 INFO L85 PathProgramCache]: Analyzing trace with hash -594117095, now seen corresponding path program 1 times [2022-11-25 23:37:50,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:50,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194784601] [2022-11-25 23:37:50,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:50,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:50,558 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 23:37:50,558 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:50,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194784601] [2022-11-25 23:37:50,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194784601] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:37:50,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433673762] [2022-11-25 23:37:50,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:50,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:37:50,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:37:50,560 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:37:50,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:37:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:50,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:37:50,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:37:50,686 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:37:50,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:37:50,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433673762] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:50,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:37:50,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-25 23:37:50,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216372947] [2022-11-25 23:37:50,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:50,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:37:50,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:50,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:37:50,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:37:50,688 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:37:50,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:50,727 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2022-11-25 23:37:50,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:37:50,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 24 [2022-11-25 23:37:50,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:50,728 INFO L225 Difference]: With dead ends: 68 [2022-11-25 23:37:50,728 INFO L226 Difference]: Without dead ends: 37 [2022-11-25 23:37:50,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:37:50,730 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 19 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:50,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 60 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:37:50,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-25 23:37:50,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-25 23:37:50,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 31 states have internal predecessors, (33), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:37:50,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2022-11-25 23:37:50,736 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 24 [2022-11-25 23:37:50,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:50,736 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2022-11-25 23:37:50,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:37:50,737 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2022-11-25 23:37:50,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 23:37:50,737 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:50,737 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:37:50,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:37:50,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:37:50,944 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 23:37:50,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:50,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1022887391, now seen corresponding path program 1 times [2022-11-25 23:37:50,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:50,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957641693] [2022-11-25 23:37:50,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:50,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:51,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:37:51,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:51,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957641693] [2022-11-25 23:37:51,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957641693] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:37:51,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449354719] [2022-11-25 23:37:51,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:51,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:37:51,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:37:51,040 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:37:51,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:37:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:51,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:37:51,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:37:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:37:51,156 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:37:51,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449354719] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:51,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:37:51,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-25 23:37:51,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224522056] [2022-11-25 23:37:51,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:51,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:37:51,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:51,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:37:51,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:37:51,158 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-11-25 23:37:51,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:51,189 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2022-11-25 23:37:51,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:37:51,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 [2022-11-25 23:37:51,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:51,190 INFO L225 Difference]: With dead ends: 51 [2022-11-25 23:37:51,190 INFO L226 Difference]: Without dead ends: 33 [2022-11-25 23:37:51,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:37:51,192 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 24 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:51,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 61 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:37:51,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-25 23:37:51,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-25 23:37:51,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 27 states have internal predecessors, (28), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:37:51,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2022-11-25 23:37:51,198 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 23 [2022-11-25 23:37:51,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:51,198 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2022-11-25 23:37:51,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-11-25 23:37:51,198 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2022-11-25 23:37:51,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 23:37:51,199 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:51,199 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] [2022-11-25 23:37:51,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:37:51,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-25 23:37:51,405 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 23:37:51,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:51,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1644743407, now seen corresponding path program 1 times [2022-11-25 23:37:51,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:51,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530681884] [2022-11-25 23:37:51,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:51,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:51,463 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:37:51,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:51,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530681884] [2022-11-25 23:37:51,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530681884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:51,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:37:51,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:37:51,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32759397] [2022-11-25 23:37:51,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:51,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:37:51,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:51,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:37:51,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:37:51,466 INFO L87 Difference]: Start difference. First operand 33 states and 34 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, (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) [2022-11-25 23:37:51,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:51,500 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2022-11-25 23:37:51,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:37:51,501 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, (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 24 [2022-11-25 23:37:51,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:51,503 INFO L225 Difference]: With dead ends: 38 [2022-11-25 23:37:51,503 INFO L226 Difference]: Without dead ends: 36 [2022-11-25 23:37:51,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:37:51,506 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:51,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 44 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:37:51,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-25 23:37:51,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-25 23:37:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 30 states have internal predecessors, (31), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:37:51,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2022-11-25 23:37:51,513 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 24 [2022-11-25 23:37:51,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:51,514 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2022-11-25 23:37:51,514 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, (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) [2022-11-25 23:37:51,514 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2022-11-25 23:37:51,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 23:37:51,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:51,515 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, 1] [2022-11-25 23:37:51,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:37:51,516 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 23:37:51,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:51,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1601909401, now seen corresponding path program 1 times [2022-11-25 23:37:51,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:51,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211443424] [2022-11-25 23:37:51,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:51,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:51,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:37:51,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:51,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211443424] [2022-11-25 23:37:51,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211443424] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:51,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:37:51,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:37:51,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995050072] [2022-11-25 23:37:51,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:51,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:37:51,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:51,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:37:51,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:37:51,623 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 23:37:51,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:51,661 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2022-11-25 23:37:51,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:37:51,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2022-11-25 23:37:51,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:51,662 INFO L225 Difference]: With dead ends: 42 [2022-11-25 23:37:51,663 INFO L226 Difference]: Without dead ends: 40 [2022-11-25 23:37:51,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:37:51,664 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 3 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:51,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 67 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:37:51,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-25 23:37:51,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-25 23:37:51,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 33 states have internal predecessors, (34), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 23:37:51,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2022-11-25 23:37:51,671 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 30 [2022-11-25 23:37:51,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:51,671 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2022-11-25 23:37:51,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 23:37:51,672 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2022-11-25 23:37:51,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-25 23:37:51,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:51,673 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:37:51,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 23:37:51,674 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 23:37:51,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:51,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1101212581, now seen corresponding path program 1 times [2022-11-25 23:37:51,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:51,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605404280] [2022-11-25 23:37:51,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:51,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:51,761 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:37:51,761 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:51,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605404280] [2022-11-25 23:37:51,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605404280] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:37:51,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073426507] [2022-11-25 23:37:51,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:51,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:37:51,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:37:51,767 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:37:51,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:37:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:51,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:37:51,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:37:51,899 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:37:51,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:37:51,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073426507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:51,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:37:51,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-11-25 23:37:51,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773443789] [2022-11-25 23:37:51,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:51,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:37:51,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:51,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:37:51,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:37:51,901 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 23:37:51,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:51,925 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2022-11-25 23:37:51,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:37:51,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2022-11-25 23:37:51,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:51,926 INFO L225 Difference]: With dead ends: 40 [2022-11-25 23:37:51,926 INFO L226 Difference]: Without dead ends: 39 [2022-11-25 23:37:51,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:37:51,927 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 4 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:51,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 52 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:37:51,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-25 23:37:51,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-25 23:37:51,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 30 states have (on average 1.1) internal successors, (33), 32 states have internal predecessors, (33), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 23:37:51,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2022-11-25 23:37:51,932 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 33 [2022-11-25 23:37:51,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:51,933 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2022-11-25 23:37:51,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 23:37:51,933 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2022-11-25 23:37:51,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-25 23:37:51,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:37:51,934 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:37:51,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:37:52,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-25 23:37:52,139 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 23:37:52,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:37:52,139 INFO L85 PathProgramCache]: Analyzing trace with hash 222148478, now seen corresponding path program 1 times [2022-11-25 23:37:52,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:37:52,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122164441] [2022-11-25 23:37:52,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:52,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:37:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:52,229 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:37:52,230 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:37:52,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122164441] [2022-11-25 23:37:52,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122164441] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:37:52,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552193416] [2022-11-25 23:37:52,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:37:52,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:37:52,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:37:52,232 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:37:52,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:37:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:37:52,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:37:52,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:37:52,382 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:37:52,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:37:52,442 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:37:52,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552193416] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:37:52,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [480270742] [2022-11-25 23:37:52,471 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-25 23:37:52,471 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:37:52,475 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:37:52,480 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:37:52,481 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:37:53,830 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 60 for LOIs [2022-11-25 23:37:53,835 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 98 for LOIs [2022-11-25 23:37:53,878 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:37:59,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [480270742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:37:59,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:37:59,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [5, 3, 3] total 25 [2022-11-25 23:37:59,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955340570] [2022-11-25 23:37:59,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:37:59,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-25 23:37:59,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:37:59,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-25 23:37:59,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2022-11-25 23:37:59,308 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand has 18 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:37:59,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:37:59,692 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2022-11-25 23:37:59,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 23:37:59,692 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 34 [2022-11-25 23:37:59,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:37:59,695 INFO L225 Difference]: With dead ends: 39 [2022-11-25 23:37:59,695 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:37:59,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 78 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2022-11-25 23:37:59,697 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:37:59,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 23:37:59,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:37:59,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:37:59,699 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) [2022-11-25 23:37:59,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:37:59,699 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-11-25 23:37:59,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:37:59,699 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:37:59,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:37:59,700 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:37:59,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:37:59,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-11-25 23:37:59,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-11-25 23:37:59,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-11-25 23:37:59,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-11-25 23:37:59,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-11-25 23:37:59,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-11-25 23:37:59,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-11-25 23:37:59,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-11-25 23:37:59,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-11-25 23:37:59,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-11-25 23:37:59,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-11-25 23:37:59,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-11-25 23:37:59,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 23:37:59,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:37:59,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:38:02,475 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 23:38:02,475 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 23:38:02,475 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 23:38:02,475 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 23:38:02,476 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-11-25 23:38:02,476 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#valid| 4) 1) (= (select |#length| 3) 18) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) (= (select |#valid| 0) 0) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-25 23:38:02,476 INFO L899 garLoopResultBuilder]: For program point L1567-1(lines 1557 1569) no Hoare annotation was computed. [2022-11-25 23:38:02,476 INFO L895 garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: false [2022-11-25 23:38:02,477 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1568) no Hoare annotation was computed. [2022-11-25 23:38:02,477 INFO L899 garLoopResultBuilder]: For program point L1580-2(line 1580) no Hoare annotation was computed. [2022-11-25 23:38:02,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed. [2022-11-25 23:38:02,477 INFO L899 garLoopResultBuilder]: For program point L1580-3(line 1580) no Hoare annotation was computed. [2022-11-25 23:38:02,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-25 23:38:02,478 INFO L895 garLoopResultBuilder]: At program point L1580-4(lines 1580 1587) the Hoare annotation is: (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (= |ULTIMATE.start_goodG2B_~h~0#1| 1)) (.cse2 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse3 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse4 (= (select (select |#memory_int| 1) 0) 0)) (.cse5 (= ~globalArgv~0.offset 0)) (.cse6 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse7 (= (select |#valid| 3) 1)) (.cse8 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse9 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse10 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse11 (= |ULTIMATE.start_goodB2G_~k~0#1| 1)) (.cse12 (= (select |#valid| 4) 1)) (.cse13 (= (select |#length| 3) 18)) (.cse14 (= (select |#valid| 1) 1)) (.cse15 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse16 (= ~globalArgv~0.base 0)) (.cse17 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse18 (= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|)) (.cse19 (= (select |#valid| 0) 0)) (.cse20 (= 54 (select |#length| 2))) (.cse21 (= (select |#length| 1) 1)) (.cse22 (= (select |#valid| 2) 1)) (.cse23 (= 16 (select |#length| 4))) (.cse24 (= |#NULL.offset| 0)) (.cse25 (= ~globalFalse~0 0)) (.cse26 (= |ULTIMATE.start_goodB2G_~i~1#1| 1)) (.cse27 (= ~globalArgc~0 0)) (.cse28 (= 5 ~globalFive~0)) (.cse29 (< 0 |#StackHeapBarrier|)) (.cse30 (= |#NULL.base| 0)) (.cse31 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_goodG2B_~j~0#1| 1) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (<= 3 |ULTIMATE.start_goodG2B_~result~1#1|) .cse13 .cse14 (<= |ULTIMATE.start_goodG2B_~result~1#1| 3) .cse15 .cse16 .cse17 .cse18 (= |ULTIMATE.start_goodG2B_~result~1#1| |ULTIMATE.start_goodG2B_~data~1#1|) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31) (and .cse0 .cse1 (= |ULTIMATE.start_goodG2B_~j~0#1| 0) .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_goodG2B_~data~1#1| 2) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31))) [2022-11-25 23:38:02,478 INFO L899 garLoopResultBuilder]: For program point L1576-3(line 1576) no Hoare annotation was computed. [2022-11-25 23:38:02,478 INFO L899 garLoopResultBuilder]: For program point L1576-4(line 1576) no Hoare annotation was computed. [2022-11-25 23:38:02,478 INFO L895 garLoopResultBuilder]: At program point L1576-5(lines 1576 1579) the Hoare annotation is: (and (<= 5 ~GLOBAL_CONST_FIVE~0) (<= ~GLOBAL_CONST_TRUE~0 1) (<= ~globalArgv~0.offset 0) (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) (<= ~globalFalse~0 0) (<= ~GLOBAL_CONST_FIVE~0 5) (<= |#NULL.offset| 0) (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse2 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse3 (= (select (select |#memory_int| 1) 0) 0)) (.cse4 (= (select |#valid| 3) 1)) (.cse5 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse6 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse7 (= (select |#valid| 4) 1)) (.cse8 (= (select |#length| 3) 18)) (.cse9 (= (select |#valid| 1) 1)) (.cse10 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse11 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse12 (= (select |#valid| 0) 0)) (.cse13 (= 54 (select |#length| 2))) (.cse14 (= (select |#length| 1) 1)) (.cse15 (= (select |#valid| 2) 1)) (.cse16 (= 16 (select |#length| 4))) (.cse17 (= |ULTIMATE.start_goodB2G_~i~1#1| 1)) (.cse18 (= ~globalArgc~0 0)) (.cse19 (= 5 ~globalFive~0)) (.cse20 (< 0 |#StackHeapBarrier|)) (.cse21 (= |#NULL.base| 0)) (.cse22 (= ~globalTrue~0 1))) (or (and .cse0 (= |ULTIMATE.start_goodG2B_~h~0#1| 1) .cse1 .cse2 .cse3 (= |ULTIMATE.start_goodG2B_~data~1#1| 2) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_goodG2B_~data~1#1| 0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= |ULTIMATE.start_goodG2B_~h~0#1| 0) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22))) (<= 1 ~GLOBAL_CONST_TRUE~0) (<= 0 ~globalFalse~0) (<= 0 ~globalArgv~0.base) (<= ~globalArgv~0.base 0) (<= 0 ~globalArgv~0.offset) (<= |ULTIMATE.start_goodB2G_~k~0#1| 1) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647)) [2022-11-25 23:38:02,478 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-11-25 23:38:02,479 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:38:02,479 INFO L895 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#valid| 4) 1) (= (select |#length| 3) 18) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-25 23:38:02,479 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-11-25 23:38:02,479 INFO L899 garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed. [2022-11-25 23:38:02,480 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= |ULTIMATE.start_goodG2B_~h~0#1| 1) (= |ULTIMATE.start_goodG2B_~j~0#1| 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= |ULTIMATE.start_goodB2G_~k~0#1| 1) (= (select |#valid| 4) 1) (<= 3 |ULTIMATE.start_goodG2B_~result~1#1|) (= (select |#length| 3) 18) (= (select |#valid| 1) 1) (<= |ULTIMATE.start_goodG2B_~result~1#1| 3) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) (= |ULTIMATE.start_goodG2B_~result~1#1| |ULTIMATE.start_goodG2B_~data~1#1|) (= (select |#valid| 0) 0) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-25 23:38:02,480 INFO L899 garLoopResultBuilder]: For program point L1585-1(lines 1580 1587) no Hoare annotation was computed. [2022-11-25 23:38:02,480 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2022-11-25 23:38:02,480 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-11-25 23:38:02,480 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:38:02,480 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-11-25 23:38:02,480 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-25 23:38:02,480 INFO L899 garLoopResultBuilder]: For program point L1561-1(line 1561) no Hoare annotation was computed. [2022-11-25 23:38:02,480 INFO L899 garLoopResultBuilder]: For program point L1557-2(line 1557) no Hoare annotation was computed. [2022-11-25 23:38:02,481 INFO L899 garLoopResultBuilder]: For program point L1557-3(line 1557) no Hoare annotation was computed. [2022-11-25 23:38:02,481 INFO L895 garLoopResultBuilder]: At program point L1557-4(lines 1557 1569) the Hoare annotation is: (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse2 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse3 (= (select (select |#memory_int| 1) 0) 0)) (.cse4 (= ~globalArgv~0.offset 0)) (.cse5 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse6 (= (select |#valid| 3) 1)) (.cse7 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse8 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse9 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse10 (= (select |#valid| 4) 1)) (.cse11 (= (select |#length| 3) 18)) (.cse12 (= (select |#valid| 1) 1)) (.cse13 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse14 (= ~globalArgv~0.base 0)) (.cse15 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse16 (= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|)) (.cse17 (= (select |#valid| 0) 0)) (.cse18 (= 54 (select |#length| 2))) (.cse19 (= (select |#length| 1) 1)) (.cse20 (= (select |#valid| 2) 1)) (.cse21 (= 16 (select |#length| 4))) (.cse22 (= |#NULL.offset| 0)) (.cse23 (= ~globalFalse~0 0)) (.cse24 (= |ULTIMATE.start_goodB2G_~i~1#1| 1)) (.cse25 (= ~globalArgc~0 0)) (.cse26 (= 5 ~globalFive~0)) (.cse27 (< 0 |#StackHeapBarrier|)) (.cse28 (= |#NULL.base| 0)) (.cse29 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= |ULTIMATE.start_goodB2G_~k~0#1| 1) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29) (and .cse0 (= |ULTIMATE.start_goodB2G_~k~0#1| 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29))) [2022-11-25 23:38:02,481 INFO L899 garLoopResultBuilder]: For program point L1553-3(line 1553) no Hoare annotation was computed. [2022-11-25 23:38:02,481 INFO L899 garLoopResultBuilder]: For program point L1553-4(line 1553) no Hoare annotation was computed. [2022-11-25 23:38:02,482 INFO L895 garLoopResultBuilder]: At program point L1553-5(lines 1553 1556) the Hoare annotation is: (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse2 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse3 (= (select (select |#memory_int| 1) 0) 0)) (.cse4 (= ~globalArgv~0.offset 0)) (.cse5 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse6 (= (select |#valid| 3) 1)) (.cse7 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse8 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse9 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse10 (= (select |#valid| 4) 1)) (.cse11 (= (select |#length| 3) 18)) (.cse12 (= (select |#valid| 1) 1)) (.cse13 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse14 (= ~globalArgv~0.base 0)) (.cse15 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse16 (= (select |#valid| 0) 0)) (.cse17 (= 54 (select |#length| 2))) (.cse18 (= (select |#length| 1) 1)) (.cse19 (= (select |#valid| 2) 1)) (.cse20 (= 16 (select |#length| 4))) (.cse21 (= |#NULL.offset| 0)) (.cse22 (= ~globalFalse~0 0)) (.cse23 (= ~globalArgc~0 0)) (.cse24 (= 5 ~globalFive~0)) (.cse25 (< 0 |#StackHeapBarrier|)) (.cse26 (= |#NULL.base| 0)) (.cse27 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 (= |ULTIMATE.start_goodB2G_~i~1#1| 1) .cse23 .cse24 .cse25 .cse26 .cse27) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= |ULTIMATE.start_goodB2G_~data~0#1| 0) (= |ULTIMATE.start_goodB2G_~i~1#1| 0) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27))) [2022-11-25 23:38:02,482 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2022-11-25 23:38:02,482 INFO L902 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: true [2022-11-25 23:38:02,482 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-11-25 23:38:02,482 INFO L902 garLoopResultBuilder]: At program point L1599-1(line 1599) the Hoare annotation is: true [2022-11-25 23:38:02,482 INFO L899 garLoopResultBuilder]: For program point L1583(line 1583) no Hoare annotation was computed. [2022-11-25 23:38:02,482 INFO L899 garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed. [2022-11-25 23:38:02,482 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed. [2022-11-25 23:38:02,482 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-25 23:38:02,486 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:38:02,488 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:38:02,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:38:02 BoogieIcfgContainer [2022-11-25 23:38:02,521 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:38:02,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:38:02,521 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:38:02,521 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:38:02,522 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:37:48" (3/4) ... [2022-11-25 23:38:02,525 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:38:02,530 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 23:38:02,530 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 23:38:02,535 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-25 23:38:02,535 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-25 23:38:02,535 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 23:38:02,535 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:38:02,561 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && 2147483647 == data) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && i == 1) && globalArgc == 0) && 5 == globalFive) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) || (((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && data == 0) && i == 0) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) [2022-11-25 23:38:02,561 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && k == 1) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && 2147483647 == data) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && i == 1) && globalArgc == 0) && 5 == globalFive) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) || ((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && k == 0) && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && 2147483647 == data) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && i == 1) && globalArgc == 0) && 5 == globalFive) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) [2022-11-25 23:38:02,562 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((5 <= GLOBAL_CONST_FIVE && GLOBAL_CONST_TRUE <= 1) && globalArgv <= 0) && 1 <= k) && 2147483647 <= data) && globalFalse <= 0) && GLOBAL_CONST_FIVE <= 5) && #NULL <= 0) && (((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && h == 1) && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && data == 2) && \valid[3] == 1) && argv == #in~argv) && argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && i == 1) && globalArgc == 0) && 5 == globalFive) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) || ((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && data == 0) && \valid[3] == 1) && argv == #in~argv) && argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && h == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && i == 1) && globalArgc == 0) && 5 == globalFive) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1))) && 1 <= GLOBAL_CONST_TRUE) && 0 <= globalFalse) && 0 <= globalArgv) && globalArgv <= 0) && 0 <= globalArgv) && k <= 1) && 0 <= #NULL) && data <= 2147483647 [2022-11-25 23:38:02,562 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && h == 1) && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && j == 1) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && k == 1) && \valid[4] == 1) && 3 <= result) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && result <= 3) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && 2147483647 == data) && result == data) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && i == 1) && globalArgc == 0) && 5 == globalFive) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) || (((((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && h == 1) && j == 0) && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && data == 2) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && k == 1) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && 2147483647 == data) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && i == 1) && globalArgc == 0) && 5 == globalFive) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) [2022-11-25 23:38:02,590 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:38:02,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:38:02,590 INFO L158 Benchmark]: Toolchain (without parser) took 16087.20ms. Allocated memory was 140.5MB in the beginning and 327.2MB in the end (delta: 186.6MB). Free memory was 93.8MB in the beginning and 222.5MB in the end (delta: -128.7MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2022-11-25 23:38:02,591 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 140.5MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:38:02,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1334.63ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 93.8MB in the beginning and 117.6MB in the end (delta: -23.8MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2022-11-25 23:38:02,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.12ms. Allocated memory is still 188.7MB. Free memory was 117.6MB in the beginning and 114.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:38:02,592 INFO L158 Benchmark]: Boogie Preprocessor took 44.75ms. Allocated memory is still 188.7MB. Free memory was 114.7MB in the beginning and 113.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:38:02,593 INFO L158 Benchmark]: RCFGBuilder took 631.12ms. Allocated memory is still 188.7MB. Free memory was 112.6MB in the beginning and 96.6MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 23:38:02,593 INFO L158 Benchmark]: TraceAbstraction took 13905.62ms. Allocated memory was 188.7MB in the beginning and 327.2MB in the end (delta: 138.4MB). Free memory was 95.8MB in the beginning and 226.7MB in the end (delta: -130.9MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. [2022-11-25 23:38:02,593 INFO L158 Benchmark]: Witness Printer took 68.74ms. Allocated memory is still 327.2MB. Free memory was 226.7MB in the beginning and 222.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:38:02,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 140.5MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1334.63ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 93.8MB in the beginning and 117.6MB in the end (delta: -23.8MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.12ms. Allocated memory is still 188.7MB. Free memory was 117.6MB in the beginning and 114.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.75ms. Allocated memory is still 188.7MB. Free memory was 114.7MB in the beginning and 113.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 631.12ms. Allocated memory is still 188.7MB. Free memory was 112.6MB in the beginning and 96.6MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13905.62ms. Allocated memory was 188.7MB in the beginning and 327.2MB in the end (delta: 138.4MB). Free memory was 95.8MB in the beginning and 226.7MB in the end (delta: -130.9MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. * Witness Printer took 68.74ms. Allocated memory is still 327.2MB. Free memory was 226.7MB in the beginning and 222.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: 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 - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: 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, 44 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 13.8s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 732 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 423 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 577 IncrementalHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 309 mSDtfsCounter, 577 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 238 GetRequests, 173 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 62, 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, 12 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 30 PreInvPairs, 42 NumberOfFragments, 1322 HoareAnnotationTreeSize, 30 FomulaSimplifications, 48 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 12 FomulaSimplificationsInter, 1489 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 369 NumberOfCodeBlocks, 369 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 385 ConstructedInterpolants, 0 QuantifiedInterpolants, 605 SizeOfPredicates, 3 NumberOfNonLiveVariables, 634 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 86/97 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: OVERALL_TIME: 1.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 31, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 49, TOOLS_POST_TIME: 0.7s, TOOLS_POST_CALL_APPLICATIONS: 13, TOOLS_POST_CALL_TIME: 0.1s, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 69, TOOLS_QUANTIFIERELIM_TIME: 0.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 108, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 31, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME: 0.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1381, DAG_COMPRESSION_RETAINED_NODES: 111, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: (((((((((((((((5 <= GLOBAL_CONST_FIVE && GLOBAL_CONST_TRUE <= 1) && globalArgv <= 0) && 1 <= k) && 2147483647 <= data) && globalFalse <= 0) && GLOBAL_CONST_FIVE <= 5) && #NULL <= 0) && (((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && h == 1) && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && data == 2) && \valid[3] == 1) && argv == #in~argv) && argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && i == 1) && globalArgc == 0) && 5 == globalFive) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) || ((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && data == 0) && \valid[3] == 1) && argv == #in~argv) && argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && h == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && i == 1) && globalArgc == 0) && 5 == globalFive) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1))) && 1 <= GLOBAL_CONST_TRUE) && 0 <= globalFalse) && 0 <= globalArgv) && globalArgv <= 0) && 0 <= globalArgv) && k <= 1) && 0 <= #NULL) && data <= 2147483647 - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && h == 1) && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && j == 1) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && k == 1) && \valid[4] == 1) && 3 <= result) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && result <= 3) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && 2147483647 == data) && result == data) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && i == 1) && globalArgc == 0) && 5 == globalFive) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) || (((((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && h == 1) && j == 0) && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && data == 2) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && k == 1) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && 2147483647 == data) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && i == 1) && globalArgc == 0) && 5 == globalFive) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && 2147483647 == data) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && i == 1) && globalArgc == 0) && 5 == globalFive) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) || (((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && data == 0) && i == 0) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && k == 1) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && 2147483647 == data) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && i == 1) && globalArgc == 0) && 5 == globalFive) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) || ((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && k == 0) && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == #in~argv) && argv == argv) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == #in~argv) && globalArgv == 0) && \old(argc) == unknown-#in~argc-unknown) && 2147483647 == data) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && i == 1) && globalArgc == 0) && 5 == globalFive) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) RESULT: Ultimate proved your program to be correct! [2022-11-25 23:38:02,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96bae663-eab7-48f3-b950-baeb5c13ed65/bin/utaipan-ByfvJB40ur/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